6702 lines
231 KiB
C
6702 lines
231 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Jason Ekstrand (jason@jlekstrand.net)
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*
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*/
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#include "vtn_private.h"
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#include "nir/nir_vla.h"
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#include "nir/nir_control_flow.h"
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#include "nir/nir_constant_expressions.h"
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#include "nir/nir_deref.h"
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#include "spirv_info.h"
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#include "util/format/u_format.h"
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#include "util/u_math.h"
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#include "util/u_string.h"
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#include <stdio.h>
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#ifndef NDEBUG
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static enum nir_spirv_debug_level
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vtn_default_log_level(void)
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{
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enum nir_spirv_debug_level level = NIR_SPIRV_DEBUG_LEVEL_WARNING;
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const char *vtn_log_level_strings[] = {
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[NIR_SPIRV_DEBUG_LEVEL_WARNING] = "warning",
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[NIR_SPIRV_DEBUG_LEVEL_INFO] = "info",
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[NIR_SPIRV_DEBUG_LEVEL_ERROR] = "error",
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};
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const char *str = getenv("MESA_SPIRV_LOG_LEVEL");
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if (str == NULL)
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return NIR_SPIRV_DEBUG_LEVEL_WARNING;
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for (int i = 0; i < ARRAY_SIZE(vtn_log_level_strings); i++) {
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if (strcasecmp(str, vtn_log_level_strings[i]) == 0) {
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level = i;
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break;
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}
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}
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return level;
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}
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#endif
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void
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vtn_log(struct vtn_builder *b, enum nir_spirv_debug_level level,
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size_t spirv_offset, const char *message)
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{
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if (b->options->debug.func) {
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b->options->debug.func(b->options->debug.private_data,
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level, spirv_offset, message);
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}
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#ifndef NDEBUG
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static enum nir_spirv_debug_level default_level =
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NIR_SPIRV_DEBUG_LEVEL_INVALID;
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if (default_level == NIR_SPIRV_DEBUG_LEVEL_INVALID)
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default_level = vtn_default_log_level();
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if (level >= default_level)
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fprintf(stderr, "%s\n", message);
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#endif
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}
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void
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vtn_logf(struct vtn_builder *b, enum nir_spirv_debug_level level,
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size_t spirv_offset, const char *fmt, ...)
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{
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va_list args;
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char *msg;
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va_start(args, fmt);
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msg = ralloc_vasprintf(NULL, fmt, args);
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va_end(args);
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vtn_log(b, level, spirv_offset, msg);
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ralloc_free(msg);
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}
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static void
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vtn_log_err(struct vtn_builder *b,
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enum nir_spirv_debug_level level, const char *prefix,
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const char *file, unsigned line,
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const char *fmt, va_list args)
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{
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char *msg;
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msg = ralloc_strdup(NULL, prefix);
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#ifndef NDEBUG
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ralloc_asprintf_append(&msg, " In file %s:%u\n", file, line);
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#endif
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ralloc_asprintf_append(&msg, " ");
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ralloc_vasprintf_append(&msg, fmt, args);
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ralloc_asprintf_append(&msg, "\n %zu bytes into the SPIR-V binary",
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b->spirv_offset);
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if (b->file) {
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ralloc_asprintf_append(&msg,
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"\n in SPIR-V source file %s, line %d, col %d",
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b->file, b->line, b->col);
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}
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vtn_log(b, level, b->spirv_offset, msg);
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ralloc_free(msg);
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}
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static void
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vtn_dump_shader(struct vtn_builder *b, const char *path, const char *prefix)
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{
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static int idx = 0;
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char filename[1024];
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int len = snprintf(filename, sizeof(filename), "%s/%s-%d.spirv",
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path, prefix, idx++);
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if (len < 0 || len >= sizeof(filename))
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return;
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FILE *f = fopen(filename, "w");
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if (f == NULL)
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return;
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fwrite(b->spirv, sizeof(*b->spirv), b->spirv_word_count, f);
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fclose(f);
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vtn_info("SPIR-V shader dumped to %s", filename);
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}
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void
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_vtn_warn(struct vtn_builder *b, const char *file, unsigned line,
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const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vtn_log_err(b, NIR_SPIRV_DEBUG_LEVEL_WARNING, "SPIR-V WARNING:\n",
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file, line, fmt, args);
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va_end(args);
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}
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void
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_vtn_err(struct vtn_builder *b, const char *file, unsigned line,
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const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vtn_log_err(b, NIR_SPIRV_DEBUG_LEVEL_ERROR, "SPIR-V ERROR:\n",
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file, line, fmt, args);
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va_end(args);
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}
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void
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_vtn_fail(struct vtn_builder *b, const char *file, unsigned line,
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const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vtn_log_err(b, NIR_SPIRV_DEBUG_LEVEL_ERROR, "SPIR-V parsing FAILED:\n",
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file, line, fmt, args);
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va_end(args);
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const char *dump_path = getenv("MESA_SPIRV_FAIL_DUMP_PATH");
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if (dump_path)
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vtn_dump_shader(b, dump_path, "fail");
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vtn_longjmp(b->fail_jump, 1);
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}
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static struct vtn_ssa_value *
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vtn_undef_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
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{
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struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
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val->type = glsl_get_bare_type(type);
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if (glsl_type_is_vector_or_scalar(type)) {
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unsigned num_components = glsl_get_vector_elements(val->type);
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unsigned bit_size = glsl_get_bit_size(val->type);
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val->def = nir_ssa_undef(&b->nb, num_components, bit_size);
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} else {
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unsigned elems = glsl_get_length(val->type);
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val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
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if (glsl_type_is_array_or_matrix(type)) {
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const struct glsl_type *elem_type = glsl_get_array_element(type);
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for (unsigned i = 0; i < elems; i++)
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val->elems[i] = vtn_undef_ssa_value(b, elem_type);
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} else {
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vtn_assert(glsl_type_is_struct_or_ifc(type));
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for (unsigned i = 0; i < elems; i++) {
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const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
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val->elems[i] = vtn_undef_ssa_value(b, elem_type);
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}
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}
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}
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return val;
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}
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struct vtn_ssa_value *
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vtn_const_ssa_value(struct vtn_builder *b, nir_constant *constant,
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const struct glsl_type *type)
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{
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struct hash_entry *entry = _mesa_hash_table_search(b->const_table, constant);
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if (entry)
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return entry->data;
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struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
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val->type = glsl_get_bare_type(type);
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if (glsl_type_is_vector_or_scalar(type)) {
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unsigned num_components = glsl_get_vector_elements(val->type);
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unsigned bit_size = glsl_get_bit_size(type);
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nir_load_const_instr *load =
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nir_load_const_instr_create(b->shader, num_components, bit_size);
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memcpy(load->value, constant->values,
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sizeof(nir_const_value) * num_components);
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nir_instr_insert_before_cf_list(&b->nb.impl->body, &load->instr);
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val->def = &load->def;
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} else {
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unsigned elems = glsl_get_length(val->type);
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val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
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if (glsl_type_is_array_or_matrix(type)) {
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const struct glsl_type *elem_type = glsl_get_array_element(type);
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for (unsigned i = 0; i < elems; i++) {
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val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
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elem_type);
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}
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} else {
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vtn_assert(glsl_type_is_struct_or_ifc(type));
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for (unsigned i = 0; i < elems; i++) {
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const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
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val->elems[i] = vtn_const_ssa_value(b, constant->elements[i],
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elem_type);
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}
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}
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}
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return val;
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}
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struct vtn_ssa_value *
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vtn_ssa_value(struct vtn_builder *b, uint32_t value_id)
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{
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struct vtn_value *val = vtn_untyped_value(b, value_id);
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switch (val->value_type) {
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case vtn_value_type_undef:
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return vtn_undef_ssa_value(b, val->type->type);
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case vtn_value_type_constant:
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return vtn_const_ssa_value(b, val->constant, val->type->type);
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case vtn_value_type_ssa:
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return val->ssa;
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case vtn_value_type_pointer:
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vtn_assert(val->pointer->ptr_type && val->pointer->ptr_type->type);
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struct vtn_ssa_value *ssa =
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vtn_create_ssa_value(b, val->pointer->ptr_type->type);
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ssa->def = vtn_pointer_to_ssa(b, val->pointer);
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return ssa;
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default:
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vtn_fail("Invalid type for an SSA value");
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}
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}
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struct vtn_value *
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vtn_push_ssa_value(struct vtn_builder *b, uint32_t value_id,
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struct vtn_ssa_value *ssa)
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{
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struct vtn_type *type = vtn_get_value_type(b, value_id);
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/* See vtn_create_ssa_value */
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vtn_fail_if(ssa->type != glsl_get_bare_type(type->type),
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"Type mismatch for SPIR-V SSA value");
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struct vtn_value *val;
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if (type->base_type == vtn_base_type_pointer) {
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val = vtn_push_pointer(b, value_id, vtn_pointer_from_ssa(b, ssa->def, type));
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} else {
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/* Don't trip the value_type_ssa check in vtn_push_value */
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val = vtn_push_value(b, value_id, vtn_value_type_invalid);
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val->value_type = vtn_value_type_ssa;
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val->ssa = ssa;
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}
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return val;
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}
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nir_ssa_def *
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vtn_get_nir_ssa(struct vtn_builder *b, uint32_t value_id)
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{
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struct vtn_ssa_value *ssa = vtn_ssa_value(b, value_id);
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vtn_fail_if(!glsl_type_is_vector_or_scalar(ssa->type),
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"Expected a vector or scalar type");
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return ssa->def;
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}
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struct vtn_value *
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vtn_push_nir_ssa(struct vtn_builder *b, uint32_t value_id, nir_ssa_def *def)
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{
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/* Types for all SPIR-V SSA values are set as part of a pre-pass so the
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* type will be valid by the time we get here.
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*/
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struct vtn_type *type = vtn_get_value_type(b, value_id);
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vtn_fail_if(def->num_components != glsl_get_vector_elements(type->type) ||
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def->bit_size != glsl_get_bit_size(type->type),
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"Mismatch between NIR and SPIR-V type.");
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struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, type->type);
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ssa->def = def;
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return vtn_push_ssa_value(b, value_id, ssa);
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}
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static enum gl_access_qualifier
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spirv_to_gl_access_qualifier(struct vtn_builder *b,
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SpvAccessQualifier access_qualifier)
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{
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switch (access_qualifier) {
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case SpvAccessQualifierReadOnly:
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return ACCESS_NON_WRITEABLE;
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case SpvAccessQualifierWriteOnly:
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return ACCESS_NON_READABLE;
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case SpvAccessQualifierReadWrite:
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return 0;
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default:
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vtn_fail("Invalid image access qualifier");
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}
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}
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static nir_deref_instr *
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vtn_get_image(struct vtn_builder *b, uint32_t value_id,
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enum gl_access_qualifier *access)
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{
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struct vtn_type *type = vtn_get_value_type(b, value_id);
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vtn_assert(type->base_type == vtn_base_type_image);
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if (access)
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*access |= spirv_to_gl_access_qualifier(b, type->access_qualifier);
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nir_variable_mode mode = glsl_type_is_image(type->glsl_image) ?
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nir_var_image : nir_var_uniform;
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return nir_build_deref_cast(&b->nb, vtn_get_nir_ssa(b, value_id),
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mode, type->glsl_image, 0);
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}
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static void
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vtn_push_image(struct vtn_builder *b, uint32_t value_id,
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nir_deref_instr *deref, bool propagate_non_uniform)
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{
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struct vtn_type *type = vtn_get_value_type(b, value_id);
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vtn_assert(type->base_type == vtn_base_type_image);
|
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struct vtn_value *value = vtn_push_nir_ssa(b, value_id, &deref->dest.ssa);
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value->propagated_non_uniform = propagate_non_uniform;
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}
|
||
|
||
static nir_deref_instr *
|
||
vtn_get_sampler(struct vtn_builder *b, uint32_t value_id)
|
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{
|
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struct vtn_type *type = vtn_get_value_type(b, value_id);
|
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vtn_assert(type->base_type == vtn_base_type_sampler);
|
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return nir_build_deref_cast(&b->nb, vtn_get_nir_ssa(b, value_id),
|
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nir_var_uniform, glsl_bare_sampler_type(), 0);
|
||
}
|
||
|
||
nir_ssa_def *
|
||
vtn_sampled_image_to_nir_ssa(struct vtn_builder *b,
|
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struct vtn_sampled_image si)
|
||
{
|
||
return nir_vec2(&b->nb, &si.image->dest.ssa, &si.sampler->dest.ssa);
|
||
}
|
||
|
||
static void
|
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vtn_push_sampled_image(struct vtn_builder *b, uint32_t value_id,
|
||
struct vtn_sampled_image si, bool propagate_non_uniform)
|
||
{
|
||
struct vtn_type *type = vtn_get_value_type(b, value_id);
|
||
vtn_assert(type->base_type == vtn_base_type_sampled_image);
|
||
struct vtn_value *value = vtn_push_nir_ssa(b, value_id,
|
||
vtn_sampled_image_to_nir_ssa(b, si));
|
||
value->propagated_non_uniform = propagate_non_uniform;
|
||
}
|
||
|
||
static struct vtn_sampled_image
|
||
vtn_get_sampled_image(struct vtn_builder *b, uint32_t value_id)
|
||
{
|
||
struct vtn_type *type = vtn_get_value_type(b, value_id);
|
||
vtn_assert(type->base_type == vtn_base_type_sampled_image);
|
||
nir_ssa_def *si_vec2 = vtn_get_nir_ssa(b, value_id);
|
||
|
||
/* Even though this is a sampled image, we can end up here with a storage
|
||
* image because OpenCL doesn't distinguish between the two.
|
||
*/
|
||
const struct glsl_type *image_type = type->image->glsl_image;
|
||
nir_variable_mode image_mode = glsl_type_is_image(image_type) ?
|
||
nir_var_image : nir_var_uniform;
|
||
|
||
struct vtn_sampled_image si = { NULL, };
|
||
si.image = nir_build_deref_cast(&b->nb, nir_channel(&b->nb, si_vec2, 0),
|
||
image_mode, image_type, 0);
|
||
si.sampler = nir_build_deref_cast(&b->nb, nir_channel(&b->nb, si_vec2, 1),
|
||
nir_var_uniform,
|
||
glsl_bare_sampler_type(), 0);
|
||
return si;
|
||
}
|
||
|
||
const char *
|
||
vtn_string_literal(struct vtn_builder *b, const uint32_t *words,
|
||
unsigned word_count, unsigned *words_used)
|
||
{
|
||
/* From the SPIR-V spec:
|
||
*
|
||
* "A string is interpreted as a nul-terminated stream of characters.
|
||
* The character set is Unicode in the UTF-8 encoding scheme. The UTF-8
|
||
* octets (8-bit bytes) are packed four per word, following the
|
||
* little-endian convention (i.e., the first octet is in the
|
||
* lowest-order 8 bits of the word). The final word contains the
|
||
* string’s nul-termination character (0), and all contents past the
|
||
* end of the string in the final word are padded with 0."
|
||
*
|
||
* On big-endian, we need to byte-swap.
|
||
*/
|
||
#if UTIL_ARCH_BIG_ENDIAN
|
||
{
|
||
uint32_t *copy = ralloc_array(b, uint32_t, word_count);
|
||
for (unsigned i = 0; i < word_count; i++)
|
||
copy[i] = util_bswap32(words[i]);
|
||
words = copy;
|
||
}
|
||
#endif
|
||
|
||
const char *str = (char *)words;
|
||
const char *end = memchr(str, 0, word_count * 4);
|
||
vtn_fail_if(end == NULL, "String is not null-terminated");
|
||
|
||
if (words_used)
|
||
*words_used = DIV_ROUND_UP(end - str + 1, sizeof(*words));
|
||
|
||
return str;
|
||
}
|
||
|
||
const uint32_t *
|
||
vtn_foreach_instruction(struct vtn_builder *b, const uint32_t *start,
|
||
const uint32_t *end, vtn_instruction_handler handler)
|
||
{
|
||
b->file = NULL;
|
||
b->line = -1;
|
||
b->col = -1;
|
||
|
||
const uint32_t *w = start;
|
||
while (w < end) {
|
||
SpvOp opcode = w[0] & SpvOpCodeMask;
|
||
unsigned count = w[0] >> SpvWordCountShift;
|
||
vtn_assert(count >= 1 && w + count <= end);
|
||
|
||
b->spirv_offset = (uint8_t *)w - (uint8_t *)b->spirv;
|
||
|
||
switch (opcode) {
|
||
case SpvOpNop:
|
||
break; /* Do nothing */
|
||
|
||
case SpvOpLine:
|
||
b->file = vtn_value(b, w[1], vtn_value_type_string)->str;
|
||
b->line = w[2];
|
||
b->col = w[3];
|
||
break;
|
||
|
||
case SpvOpNoLine:
|
||
b->file = NULL;
|
||
b->line = -1;
|
||
b->col = -1;
|
||
break;
|
||
|
||
default:
|
||
if (!handler(b, opcode, w, count))
|
||
return w;
|
||
break;
|
||
}
|
||
|
||
w += count;
|
||
}
|
||
|
||
b->spirv_offset = 0;
|
||
b->file = NULL;
|
||
b->line = -1;
|
||
b->col = -1;
|
||
|
||
assert(w == end);
|
||
return w;
|
||
}
|
||
|
||
static bool
|
||
vtn_handle_non_semantic_instruction(struct vtn_builder *b, SpvOp ext_opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
/* Do nothing. */
|
||
return true;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_extension(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpExtInstImport: {
|
||
struct vtn_value *val = vtn_push_value(b, w[1], vtn_value_type_extension);
|
||
const char *ext = vtn_string_literal(b, &w[2], count - 2, NULL);
|
||
if (strcmp(ext, "GLSL.std.450") == 0) {
|
||
val->ext_handler = vtn_handle_glsl450_instruction;
|
||
} else if ((strcmp(ext, "SPV_AMD_gcn_shader") == 0)
|
||
&& (b->options && b->options->caps.amd_gcn_shader)) {
|
||
val->ext_handler = vtn_handle_amd_gcn_shader_instruction;
|
||
} else if ((strcmp(ext, "SPV_AMD_shader_ballot") == 0)
|
||
&& (b->options && b->options->caps.amd_shader_ballot)) {
|
||
val->ext_handler = vtn_handle_amd_shader_ballot_instruction;
|
||
} else if ((strcmp(ext, "SPV_AMD_shader_trinary_minmax") == 0)
|
||
&& (b->options && b->options->caps.amd_trinary_minmax)) {
|
||
val->ext_handler = vtn_handle_amd_shader_trinary_minmax_instruction;
|
||
} else if ((strcmp(ext, "SPV_AMD_shader_explicit_vertex_parameter") == 0)
|
||
&& (b->options && b->options->caps.amd_shader_explicit_vertex_parameter)) {
|
||
val->ext_handler = vtn_handle_amd_shader_explicit_vertex_parameter_instruction;
|
||
} else if (strcmp(ext, "OpenCL.std") == 0) {
|
||
val->ext_handler = vtn_handle_opencl_instruction;
|
||
} else if (strstr(ext, "NonSemantic.") == ext) {
|
||
val->ext_handler = vtn_handle_non_semantic_instruction;
|
||
} else {
|
||
vtn_fail("Unsupported extension: %s", ext);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpExtInst: {
|
||
struct vtn_value *val = vtn_value(b, w[3], vtn_value_type_extension);
|
||
bool handled = val->ext_handler(b, w[4], w, count);
|
||
vtn_assert(handled);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
}
|
||
|
||
static void
|
||
_foreach_decoration_helper(struct vtn_builder *b,
|
||
struct vtn_value *base_value,
|
||
int parent_member,
|
||
struct vtn_value *value,
|
||
vtn_decoration_foreach_cb cb, void *data)
|
||
{
|
||
for (struct vtn_decoration *dec = value->decoration; dec; dec = dec->next) {
|
||
int member;
|
||
if (dec->scope == VTN_DEC_DECORATION) {
|
||
member = parent_member;
|
||
} else if (dec->scope >= VTN_DEC_STRUCT_MEMBER0) {
|
||
vtn_fail_if(value->value_type != vtn_value_type_type ||
|
||
value->type->base_type != vtn_base_type_struct,
|
||
"OpMemberDecorate and OpGroupMemberDecorate are only "
|
||
"allowed on OpTypeStruct");
|
||
/* This means we haven't recursed yet */
|
||
assert(value == base_value);
|
||
|
||
member = dec->scope - VTN_DEC_STRUCT_MEMBER0;
|
||
|
||
vtn_fail_if(member >= base_value->type->length,
|
||
"OpMemberDecorate specifies member %d but the "
|
||
"OpTypeStruct has only %u members",
|
||
member, base_value->type->length);
|
||
} else {
|
||
/* Not a decoration */
|
||
assert(dec->scope == VTN_DEC_EXECUTION_MODE ||
|
||
dec->scope <= VTN_DEC_STRUCT_MEMBER_NAME0);
|
||
continue;
|
||
}
|
||
|
||
if (dec->group) {
|
||
assert(dec->group->value_type == vtn_value_type_decoration_group);
|
||
_foreach_decoration_helper(b, base_value, member, dec->group,
|
||
cb, data);
|
||
} else {
|
||
cb(b, base_value, member, dec, data);
|
||
}
|
||
}
|
||
}
|
||
|
||
/** Iterates (recursively if needed) over all of the decorations on a value
|
||
*
|
||
* This function iterates over all of the decorations applied to a given
|
||
* value. If it encounters a decoration group, it recurses into the group
|
||
* and iterates over all of those decorations as well.
|
||
*/
|
||
void
|
||
vtn_foreach_decoration(struct vtn_builder *b, struct vtn_value *value,
|
||
vtn_decoration_foreach_cb cb, void *data)
|
||
{
|
||
_foreach_decoration_helper(b, value, -1, value, cb, data);
|
||
}
|
||
|
||
void
|
||
vtn_foreach_execution_mode(struct vtn_builder *b, struct vtn_value *value,
|
||
vtn_execution_mode_foreach_cb cb, void *data)
|
||
{
|
||
for (struct vtn_decoration *dec = value->decoration; dec; dec = dec->next) {
|
||
if (dec->scope != VTN_DEC_EXECUTION_MODE)
|
||
continue;
|
||
|
||
assert(dec->group == NULL);
|
||
cb(b, value, dec, data);
|
||
}
|
||
}
|
||
|
||
void
|
||
vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
const uint32_t *w_end = w + count;
|
||
const uint32_t target = w[1];
|
||
w += 2;
|
||
|
||
switch (opcode) {
|
||
case SpvOpDecorationGroup:
|
||
vtn_push_value(b, target, vtn_value_type_decoration_group);
|
||
break;
|
||
|
||
case SpvOpDecorate:
|
||
case SpvOpDecorateId:
|
||
case SpvOpMemberDecorate:
|
||
case SpvOpDecorateString:
|
||
case SpvOpMemberDecorateString:
|
||
case SpvOpExecutionMode:
|
||
case SpvOpExecutionModeId: {
|
||
struct vtn_value *val = vtn_untyped_value(b, target);
|
||
|
||
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
|
||
switch (opcode) {
|
||
case SpvOpDecorate:
|
||
case SpvOpDecorateId:
|
||
case SpvOpDecorateString:
|
||
dec->scope = VTN_DEC_DECORATION;
|
||
break;
|
||
case SpvOpMemberDecorate:
|
||
case SpvOpMemberDecorateString:
|
||
dec->scope = VTN_DEC_STRUCT_MEMBER0 + *(w++);
|
||
vtn_fail_if(dec->scope < VTN_DEC_STRUCT_MEMBER0, /* overflow */
|
||
"Member argument of OpMemberDecorate too large");
|
||
break;
|
||
case SpvOpExecutionMode:
|
||
case SpvOpExecutionModeId:
|
||
dec->scope = VTN_DEC_EXECUTION_MODE;
|
||
break;
|
||
default:
|
||
unreachable("Invalid decoration opcode");
|
||
}
|
||
dec->decoration = *(w++);
|
||
dec->num_operands = w_end - w;
|
||
dec->operands = w;
|
||
|
||
/* Link into the list */
|
||
dec->next = val->decoration;
|
||
val->decoration = dec;
|
||
break;
|
||
}
|
||
|
||
case SpvOpMemberName: {
|
||
struct vtn_value *val = vtn_untyped_value(b, target);
|
||
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
|
||
|
||
dec->scope = VTN_DEC_STRUCT_MEMBER_NAME0 - *(w++);
|
||
|
||
dec->member_name = vtn_string_literal(b, w, w_end - w, NULL);
|
||
|
||
dec->next = val->decoration;
|
||
val->decoration = dec;
|
||
break;
|
||
}
|
||
|
||
case SpvOpGroupMemberDecorate:
|
||
case SpvOpGroupDecorate: {
|
||
struct vtn_value *group =
|
||
vtn_value(b, target, vtn_value_type_decoration_group);
|
||
|
||
for (; w < w_end; w++) {
|
||
struct vtn_value *val = vtn_untyped_value(b, *w);
|
||
struct vtn_decoration *dec = rzalloc(b, struct vtn_decoration);
|
||
|
||
dec->group = group;
|
||
if (opcode == SpvOpGroupDecorate) {
|
||
dec->scope = VTN_DEC_DECORATION;
|
||
} else {
|
||
dec->scope = VTN_DEC_STRUCT_MEMBER0 + *(++w);
|
||
vtn_fail_if(dec->scope < 0, /* Check for overflow */
|
||
"Member argument of OpGroupMemberDecorate too large");
|
||
}
|
||
|
||
/* Link into the list */
|
||
dec->next = val->decoration;
|
||
val->decoration = dec;
|
||
}
|
||
break;
|
||
}
|
||
|
||
default:
|
||
unreachable("Unhandled opcode");
|
||
}
|
||
}
|
||
|
||
struct member_decoration_ctx {
|
||
unsigned num_fields;
|
||
struct glsl_struct_field *fields;
|
||
struct vtn_type *type;
|
||
};
|
||
|
||
/**
|
||
* Returns true if the given type contains a struct decorated Block or
|
||
* BufferBlock
|
||
*/
|
||
bool
|
||
vtn_type_contains_block(struct vtn_builder *b, struct vtn_type *type)
|
||
{
|
||
switch (type->base_type) {
|
||
case vtn_base_type_array:
|
||
return vtn_type_contains_block(b, type->array_element);
|
||
case vtn_base_type_struct:
|
||
if (type->block || type->buffer_block)
|
||
return true;
|
||
for (unsigned i = 0; i < type->length; i++) {
|
||
if (vtn_type_contains_block(b, type->members[i]))
|
||
return true;
|
||
}
|
||
return false;
|
||
default:
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/** Returns true if two types are "compatible", i.e. you can do an OpLoad,
|
||
* OpStore, or OpCopyMemory between them without breaking anything.
|
||
* Technically, the SPIR-V rules require the exact same type ID but this lets
|
||
* us internally be a bit looser.
|
||
*/
|
||
bool
|
||
vtn_types_compatible(struct vtn_builder *b,
|
||
struct vtn_type *t1, struct vtn_type *t2)
|
||
{
|
||
if (t1->id == t2->id)
|
||
return true;
|
||
|
||
if (t1->base_type != t2->base_type)
|
||
return false;
|
||
|
||
switch (t1->base_type) {
|
||
case vtn_base_type_void:
|
||
case vtn_base_type_scalar:
|
||
case vtn_base_type_vector:
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_image:
|
||
case vtn_base_type_sampler:
|
||
case vtn_base_type_sampled_image:
|
||
case vtn_base_type_event:
|
||
return t1->type == t2->type;
|
||
|
||
case vtn_base_type_array:
|
||
return t1->length == t2->length &&
|
||
vtn_types_compatible(b, t1->array_element, t2->array_element);
|
||
|
||
case vtn_base_type_pointer:
|
||
return vtn_types_compatible(b, t1->deref, t2->deref);
|
||
|
||
case vtn_base_type_struct:
|
||
if (t1->length != t2->length)
|
||
return false;
|
||
|
||
for (unsigned i = 0; i < t1->length; i++) {
|
||
if (!vtn_types_compatible(b, t1->members[i], t2->members[i]))
|
||
return false;
|
||
}
|
||
return true;
|
||
|
||
case vtn_base_type_accel_struct:
|
||
case vtn_base_type_ray_query:
|
||
return true;
|
||
|
||
case vtn_base_type_function:
|
||
/* This case shouldn't get hit since you can't copy around function
|
||
* types. Just require them to be identical.
|
||
*/
|
||
return false;
|
||
}
|
||
|
||
vtn_fail("Invalid base type");
|
||
}
|
||
|
||
struct vtn_type *
|
||
vtn_type_without_array(struct vtn_type *type)
|
||
{
|
||
while (type->base_type == vtn_base_type_array)
|
||
type = type->array_element;
|
||
return type;
|
||
}
|
||
|
||
/* does a shallow copy of a vtn_type */
|
||
|
||
static struct vtn_type *
|
||
vtn_type_copy(struct vtn_builder *b, struct vtn_type *src)
|
||
{
|
||
struct vtn_type *dest = ralloc(b, struct vtn_type);
|
||
*dest = *src;
|
||
|
||
switch (src->base_type) {
|
||
case vtn_base_type_void:
|
||
case vtn_base_type_scalar:
|
||
case vtn_base_type_vector:
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_array:
|
||
case vtn_base_type_pointer:
|
||
case vtn_base_type_image:
|
||
case vtn_base_type_sampler:
|
||
case vtn_base_type_sampled_image:
|
||
case vtn_base_type_event:
|
||
case vtn_base_type_accel_struct:
|
||
case vtn_base_type_ray_query:
|
||
/* Nothing more to do */
|
||
break;
|
||
|
||
case vtn_base_type_struct:
|
||
dest->members = ralloc_array(b, struct vtn_type *, src->length);
|
||
memcpy(dest->members, src->members,
|
||
src->length * sizeof(src->members[0]));
|
||
|
||
dest->offsets = ralloc_array(b, unsigned, src->length);
|
||
memcpy(dest->offsets, src->offsets,
|
||
src->length * sizeof(src->offsets[0]));
|
||
break;
|
||
|
||
case vtn_base_type_function:
|
||
dest->params = ralloc_array(b, struct vtn_type *, src->length);
|
||
memcpy(dest->params, src->params, src->length * sizeof(src->params[0]));
|
||
break;
|
||
}
|
||
|
||
return dest;
|
||
}
|
||
|
||
static bool
|
||
vtn_type_needs_explicit_layout(struct vtn_builder *b, struct vtn_type *type,
|
||
enum vtn_variable_mode mode)
|
||
{
|
||
/* For OpenCL we never want to strip the info from the types, and it makes
|
||
* type comparisons easier in later stages.
|
||
*/
|
||
if (b->options->environment == NIR_SPIRV_OPENCL)
|
||
return true;
|
||
|
||
switch (mode) {
|
||
case vtn_variable_mode_input:
|
||
case vtn_variable_mode_output:
|
||
/* Layout decorations kept because we need offsets for XFB arrays of
|
||
* blocks.
|
||
*/
|
||
return b->shader->info.has_transform_feedback_varyings;
|
||
|
||
case vtn_variable_mode_ssbo:
|
||
case vtn_variable_mode_phys_ssbo:
|
||
case vtn_variable_mode_ubo:
|
||
case vtn_variable_mode_push_constant:
|
||
case vtn_variable_mode_shader_record:
|
||
return true;
|
||
|
||
case vtn_variable_mode_workgroup:
|
||
return b->options->caps.workgroup_memory_explicit_layout;
|
||
|
||
default:
|
||
return false;
|
||
}
|
||
}
|
||
|
||
const struct glsl_type *
|
||
vtn_type_get_nir_type(struct vtn_builder *b, struct vtn_type *type,
|
||
enum vtn_variable_mode mode)
|
||
{
|
||
if (mode == vtn_variable_mode_atomic_counter) {
|
||
vtn_fail_if(glsl_without_array(type->type) != glsl_uint_type(),
|
||
"Variables in the AtomicCounter storage class should be "
|
||
"(possibly arrays of arrays of) uint.");
|
||
return glsl_type_wrap_in_arrays(glsl_atomic_uint_type(), type->type);
|
||
}
|
||
|
||
if (mode == vtn_variable_mode_uniform) {
|
||
switch (type->base_type) {
|
||
case vtn_base_type_array: {
|
||
const struct glsl_type *elem_type =
|
||
vtn_type_get_nir_type(b, type->array_element, mode);
|
||
|
||
return glsl_array_type(elem_type, type->length,
|
||
glsl_get_explicit_stride(type->type));
|
||
}
|
||
|
||
case vtn_base_type_struct: {
|
||
bool need_new_struct = false;
|
||
const uint32_t num_fields = type->length;
|
||
NIR_VLA(struct glsl_struct_field, fields, num_fields);
|
||
for (unsigned i = 0; i < num_fields; i++) {
|
||
fields[i] = *glsl_get_struct_field_data(type->type, i);
|
||
const struct glsl_type *field_nir_type =
|
||
vtn_type_get_nir_type(b, type->members[i], mode);
|
||
if (fields[i].type != field_nir_type) {
|
||
fields[i].type = field_nir_type;
|
||
need_new_struct = true;
|
||
}
|
||
}
|
||
if (need_new_struct) {
|
||
if (glsl_type_is_interface(type->type)) {
|
||
return glsl_interface_type(fields, num_fields,
|
||
/* packing */ 0, false,
|
||
glsl_get_type_name(type->type));
|
||
} else {
|
||
return glsl_struct_type(fields, num_fields,
|
||
glsl_get_type_name(type->type),
|
||
glsl_struct_type_is_packed(type->type));
|
||
}
|
||
} else {
|
||
/* No changes, just pass it on */
|
||
return type->type;
|
||
}
|
||
}
|
||
|
||
case vtn_base_type_image:
|
||
vtn_assert(glsl_type_is_texture(type->glsl_image));
|
||
return type->glsl_image;
|
||
|
||
case vtn_base_type_sampler:
|
||
return glsl_bare_sampler_type();
|
||
|
||
case vtn_base_type_sampled_image:
|
||
return glsl_texture_type_to_sampler(type->image->glsl_image,
|
||
false /* is_shadow */);
|
||
|
||
default:
|
||
return type->type;
|
||
}
|
||
}
|
||
|
||
if (mode == vtn_variable_mode_image) {
|
||
struct vtn_type *image_type = vtn_type_without_array(type);
|
||
vtn_assert(image_type->base_type == vtn_base_type_image);
|
||
return glsl_type_wrap_in_arrays(image_type->glsl_image, type->type);
|
||
}
|
||
|
||
/* Layout decorations are allowed but ignored in certain conditions,
|
||
* to allow SPIR-V generators perform type deduplication. Discard
|
||
* unnecessary ones when passing to NIR.
|
||
*/
|
||
if (!vtn_type_needs_explicit_layout(b, type, mode))
|
||
return glsl_get_bare_type(type->type);
|
||
|
||
return type->type;
|
||
}
|
||
|
||
static struct vtn_type *
|
||
mutable_matrix_member(struct vtn_builder *b, struct vtn_type *type, int member)
|
||
{
|
||
type->members[member] = vtn_type_copy(b, type->members[member]);
|
||
type = type->members[member];
|
||
|
||
/* We may have an array of matrices.... Oh, joy! */
|
||
while (glsl_type_is_array(type->type)) {
|
||
type->array_element = vtn_type_copy(b, type->array_element);
|
||
type = type->array_element;
|
||
}
|
||
|
||
vtn_assert(glsl_type_is_matrix(type->type));
|
||
|
||
return type;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_access_qualifier(struct vtn_builder *b, struct vtn_type *type,
|
||
int member, enum gl_access_qualifier access)
|
||
{
|
||
type->members[member] = vtn_type_copy(b, type->members[member]);
|
||
type = type->members[member];
|
||
|
||
type->access |= access;
|
||
}
|
||
|
||
static void
|
||
array_stride_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, void *void_ctx)
|
||
{
|
||
struct vtn_type *type = val->type;
|
||
|
||
if (dec->decoration == SpvDecorationArrayStride) {
|
||
if (vtn_type_contains_block(b, type)) {
|
||
vtn_warn("The ArrayStride decoration cannot be applied to an array "
|
||
"type which contains a structure type decorated Block "
|
||
"or BufferBlock");
|
||
/* Ignore the decoration */
|
||
} else {
|
||
vtn_fail_if(dec->operands[0] == 0, "ArrayStride must be non-zero");
|
||
type->stride = dec->operands[0];
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
struct_member_decoration_cb(struct vtn_builder *b,
|
||
UNUSED struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, void *void_ctx)
|
||
{
|
||
struct member_decoration_ctx *ctx = void_ctx;
|
||
|
||
if (member < 0)
|
||
return;
|
||
|
||
assert(member < ctx->num_fields);
|
||
|
||
switch (dec->decoration) {
|
||
case SpvDecorationRelaxedPrecision:
|
||
case SpvDecorationUniform:
|
||
case SpvDecorationUniformId:
|
||
break; /* FIXME: Do nothing with this for now. */
|
||
case SpvDecorationNonWritable:
|
||
vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_NON_WRITEABLE);
|
||
break;
|
||
case SpvDecorationNonReadable:
|
||
vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_NON_READABLE);
|
||
break;
|
||
case SpvDecorationVolatile:
|
||
vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_VOLATILE);
|
||
break;
|
||
case SpvDecorationCoherent:
|
||
vtn_handle_access_qualifier(b, ctx->type, member, ACCESS_COHERENT);
|
||
break;
|
||
case SpvDecorationNoPerspective:
|
||
ctx->fields[member].interpolation = INTERP_MODE_NOPERSPECTIVE;
|
||
break;
|
||
case SpvDecorationFlat:
|
||
ctx->fields[member].interpolation = INTERP_MODE_FLAT;
|
||
break;
|
||
case SpvDecorationExplicitInterpAMD:
|
||
ctx->fields[member].interpolation = INTERP_MODE_EXPLICIT;
|
||
break;
|
||
case SpvDecorationCentroid:
|
||
ctx->fields[member].centroid = true;
|
||
break;
|
||
case SpvDecorationSample:
|
||
ctx->fields[member].sample = true;
|
||
break;
|
||
case SpvDecorationStream:
|
||
/* This is handled later by var_decoration_cb in vtn_variables.c */
|
||
break;
|
||
case SpvDecorationLocation:
|
||
ctx->fields[member].location = dec->operands[0];
|
||
break;
|
||
case SpvDecorationComponent:
|
||
break; /* FIXME: What should we do with these? */
|
||
case SpvDecorationBuiltIn:
|
||
ctx->type->members[member] = vtn_type_copy(b, ctx->type->members[member]);
|
||
ctx->type->members[member]->is_builtin = true;
|
||
ctx->type->members[member]->builtin = dec->operands[0];
|
||
ctx->type->builtin_block = true;
|
||
break;
|
||
case SpvDecorationOffset:
|
||
ctx->type->offsets[member] = dec->operands[0];
|
||
ctx->fields[member].offset = dec->operands[0];
|
||
break;
|
||
case SpvDecorationMatrixStride:
|
||
/* Handled as a second pass */
|
||
break;
|
||
case SpvDecorationColMajor:
|
||
break; /* Nothing to do here. Column-major is the default. */
|
||
case SpvDecorationRowMajor:
|
||
mutable_matrix_member(b, ctx->type, member)->row_major = true;
|
||
break;
|
||
|
||
case SpvDecorationPatch:
|
||
case SpvDecorationPerPrimitiveNV:
|
||
case SpvDecorationPerTaskNV:
|
||
case SpvDecorationPerViewNV:
|
||
break;
|
||
|
||
case SpvDecorationSpecId:
|
||
case SpvDecorationBlock:
|
||
case SpvDecorationBufferBlock:
|
||
case SpvDecorationArrayStride:
|
||
case SpvDecorationGLSLShared:
|
||
case SpvDecorationGLSLPacked:
|
||
case SpvDecorationInvariant:
|
||
case SpvDecorationAliased:
|
||
case SpvDecorationConstant:
|
||
case SpvDecorationIndex:
|
||
case SpvDecorationBinding:
|
||
case SpvDecorationDescriptorSet:
|
||
case SpvDecorationLinkageAttributes:
|
||
case SpvDecorationNoContraction:
|
||
case SpvDecorationInputAttachmentIndex:
|
||
case SpvDecorationCPacked:
|
||
vtn_warn("Decoration not allowed on struct members: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
break;
|
||
|
||
case SpvDecorationRestrict:
|
||
/* While "Restrict" is invalid for struct members, glslang incorrectly
|
||
* generates it and it ends up hiding actual driver issues in a wall of
|
||
* spam from deqp-vk. Return it to the above block once the issue is
|
||
* resolved. https://github.com/KhronosGroup/glslang/issues/703
|
||
*/
|
||
break;
|
||
|
||
case SpvDecorationXfbBuffer:
|
||
case SpvDecorationXfbStride:
|
||
/* This is handled later by var_decoration_cb in vtn_variables.c */
|
||
break;
|
||
|
||
case SpvDecorationSaturatedConversion:
|
||
case SpvDecorationFuncParamAttr:
|
||
case SpvDecorationFPRoundingMode:
|
||
case SpvDecorationFPFastMathMode:
|
||
case SpvDecorationAlignment:
|
||
if (b->shader->info.stage != MESA_SHADER_KERNEL) {
|
||
vtn_warn("Decoration only allowed for CL-style kernels: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
}
|
||
break;
|
||
|
||
case SpvDecorationUserSemantic:
|
||
case SpvDecorationUserTypeGOOGLE:
|
||
/* User semantic decorations can safely be ignored by the driver. */
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_decoration("Unhandled decoration", dec->decoration);
|
||
}
|
||
}
|
||
|
||
/** Chases the array type all the way down to the tail and rewrites the
|
||
* glsl_types to be based off the tail's glsl_type.
|
||
*/
|
||
static void
|
||
vtn_array_type_rewrite_glsl_type(struct vtn_type *type)
|
||
{
|
||
if (type->base_type != vtn_base_type_array)
|
||
return;
|
||
|
||
vtn_array_type_rewrite_glsl_type(type->array_element);
|
||
|
||
type->type = glsl_array_type(type->array_element->type,
|
||
type->length, type->stride);
|
||
}
|
||
|
||
/* Matrix strides are handled as a separate pass because we need to know
|
||
* whether the matrix is row-major or not first.
|
||
*/
|
||
static void
|
||
struct_member_matrix_stride_cb(struct vtn_builder *b,
|
||
UNUSED struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec,
|
||
void *void_ctx)
|
||
{
|
||
if (dec->decoration != SpvDecorationMatrixStride)
|
||
return;
|
||
|
||
vtn_fail_if(member < 0,
|
||
"The MatrixStride decoration is only allowed on members "
|
||
"of OpTypeStruct");
|
||
vtn_fail_if(dec->operands[0] == 0, "MatrixStride must be non-zero");
|
||
|
||
struct member_decoration_ctx *ctx = void_ctx;
|
||
|
||
struct vtn_type *mat_type = mutable_matrix_member(b, ctx->type, member);
|
||
if (mat_type->row_major) {
|
||
mat_type->array_element = vtn_type_copy(b, mat_type->array_element);
|
||
mat_type->stride = mat_type->array_element->stride;
|
||
mat_type->array_element->stride = dec->operands[0];
|
||
|
||
mat_type->type = glsl_explicit_matrix_type(mat_type->type,
|
||
dec->operands[0], true);
|
||
mat_type->array_element->type = glsl_get_column_type(mat_type->type);
|
||
} else {
|
||
vtn_assert(mat_type->array_element->stride > 0);
|
||
mat_type->stride = dec->operands[0];
|
||
|
||
mat_type->type = glsl_explicit_matrix_type(mat_type->type,
|
||
dec->operands[0], false);
|
||
}
|
||
|
||
/* Now that we've replaced the glsl_type with a properly strided matrix
|
||
* type, rewrite the member type so that it's an array of the proper kind
|
||
* of glsl_type.
|
||
*/
|
||
vtn_array_type_rewrite_glsl_type(ctx->type->members[member]);
|
||
ctx->fields[member].type = ctx->type->members[member]->type;
|
||
}
|
||
|
||
static void
|
||
struct_packed_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, void *void_ctx)
|
||
{
|
||
vtn_assert(val->type->base_type == vtn_base_type_struct);
|
||
if (dec->decoration == SpvDecorationCPacked) {
|
||
if (b->shader->info.stage != MESA_SHADER_KERNEL) {
|
||
vtn_warn("Decoration only allowed for CL-style kernels: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
}
|
||
val->type->packed = true;
|
||
}
|
||
}
|
||
|
||
static void
|
||
struct_block_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, void *ctx)
|
||
{
|
||
if (member != -1)
|
||
return;
|
||
|
||
struct vtn_type *type = val->type;
|
||
if (dec->decoration == SpvDecorationBlock)
|
||
type->block = true;
|
||
else if (dec->decoration == SpvDecorationBufferBlock)
|
||
type->buffer_block = true;
|
||
}
|
||
|
||
static void
|
||
type_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, UNUSED void *ctx)
|
||
{
|
||
struct vtn_type *type = val->type;
|
||
|
||
if (member != -1) {
|
||
/* This should have been handled by OpTypeStruct */
|
||
assert(val->type->base_type == vtn_base_type_struct);
|
||
assert(member >= 0 && member < val->type->length);
|
||
return;
|
||
}
|
||
|
||
switch (dec->decoration) {
|
||
case SpvDecorationArrayStride:
|
||
vtn_assert(type->base_type == vtn_base_type_array ||
|
||
type->base_type == vtn_base_type_pointer);
|
||
break;
|
||
case SpvDecorationBlock:
|
||
vtn_assert(type->base_type == vtn_base_type_struct);
|
||
vtn_assert(type->block);
|
||
break;
|
||
case SpvDecorationBufferBlock:
|
||
vtn_assert(type->base_type == vtn_base_type_struct);
|
||
vtn_assert(type->buffer_block);
|
||
break;
|
||
case SpvDecorationGLSLShared:
|
||
case SpvDecorationGLSLPacked:
|
||
/* Ignore these, since we get explicit offsets anyways */
|
||
break;
|
||
|
||
case SpvDecorationRowMajor:
|
||
case SpvDecorationColMajor:
|
||
case SpvDecorationMatrixStride:
|
||
case SpvDecorationBuiltIn:
|
||
case SpvDecorationNoPerspective:
|
||
case SpvDecorationFlat:
|
||
case SpvDecorationPatch:
|
||
case SpvDecorationCentroid:
|
||
case SpvDecorationSample:
|
||
case SpvDecorationExplicitInterpAMD:
|
||
case SpvDecorationVolatile:
|
||
case SpvDecorationCoherent:
|
||
case SpvDecorationNonWritable:
|
||
case SpvDecorationNonReadable:
|
||
case SpvDecorationUniform:
|
||
case SpvDecorationUniformId:
|
||
case SpvDecorationLocation:
|
||
case SpvDecorationComponent:
|
||
case SpvDecorationOffset:
|
||
case SpvDecorationXfbBuffer:
|
||
case SpvDecorationXfbStride:
|
||
case SpvDecorationUserSemantic:
|
||
vtn_warn("Decoration only allowed for struct members: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
break;
|
||
|
||
case SpvDecorationStream:
|
||
/* We don't need to do anything here, as stream is filled up when
|
||
* aplying the decoration to a variable, just check that if it is not a
|
||
* struct member, it should be a struct.
|
||
*/
|
||
vtn_assert(type->base_type == vtn_base_type_struct);
|
||
break;
|
||
|
||
case SpvDecorationRelaxedPrecision:
|
||
case SpvDecorationSpecId:
|
||
case SpvDecorationInvariant:
|
||
case SpvDecorationRestrict:
|
||
case SpvDecorationAliased:
|
||
case SpvDecorationConstant:
|
||
case SpvDecorationIndex:
|
||
case SpvDecorationBinding:
|
||
case SpvDecorationDescriptorSet:
|
||
case SpvDecorationLinkageAttributes:
|
||
case SpvDecorationNoContraction:
|
||
case SpvDecorationInputAttachmentIndex:
|
||
vtn_warn("Decoration not allowed on types: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
break;
|
||
|
||
case SpvDecorationCPacked:
|
||
/* Handled when parsing a struct type, nothing to do here. */
|
||
break;
|
||
|
||
case SpvDecorationSaturatedConversion:
|
||
case SpvDecorationFuncParamAttr:
|
||
case SpvDecorationFPRoundingMode:
|
||
case SpvDecorationFPFastMathMode:
|
||
case SpvDecorationAlignment:
|
||
vtn_warn("Decoration only allowed for CL-style kernels: %s",
|
||
spirv_decoration_to_string(dec->decoration));
|
||
break;
|
||
|
||
case SpvDecorationUserTypeGOOGLE:
|
||
/* User semantic decorations can safely be ignored by the driver. */
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_decoration("Unhandled decoration", dec->decoration);
|
||
}
|
||
}
|
||
|
||
static unsigned
|
||
translate_image_format(struct vtn_builder *b, SpvImageFormat format)
|
||
{
|
||
switch (format) {
|
||
case SpvImageFormatUnknown: return PIPE_FORMAT_NONE;
|
||
case SpvImageFormatRgba32f: return PIPE_FORMAT_R32G32B32A32_FLOAT;
|
||
case SpvImageFormatRgba16f: return PIPE_FORMAT_R16G16B16A16_FLOAT;
|
||
case SpvImageFormatR32f: return PIPE_FORMAT_R32_FLOAT;
|
||
case SpvImageFormatRgba8: return PIPE_FORMAT_R8G8B8A8_UNORM;
|
||
case SpvImageFormatRgba8Snorm: return PIPE_FORMAT_R8G8B8A8_SNORM;
|
||
case SpvImageFormatRg32f: return PIPE_FORMAT_R32G32_FLOAT;
|
||
case SpvImageFormatRg16f: return PIPE_FORMAT_R16G16_FLOAT;
|
||
case SpvImageFormatR11fG11fB10f: return PIPE_FORMAT_R11G11B10_FLOAT;
|
||
case SpvImageFormatR16f: return PIPE_FORMAT_R16_FLOAT;
|
||
case SpvImageFormatRgba16: return PIPE_FORMAT_R16G16B16A16_UNORM;
|
||
case SpvImageFormatRgb10A2: return PIPE_FORMAT_R10G10B10A2_UNORM;
|
||
case SpvImageFormatRg16: return PIPE_FORMAT_R16G16_UNORM;
|
||
case SpvImageFormatRg8: return PIPE_FORMAT_R8G8_UNORM;
|
||
case SpvImageFormatR16: return PIPE_FORMAT_R16_UNORM;
|
||
case SpvImageFormatR8: return PIPE_FORMAT_R8_UNORM;
|
||
case SpvImageFormatRgba16Snorm: return PIPE_FORMAT_R16G16B16A16_SNORM;
|
||
case SpvImageFormatRg16Snorm: return PIPE_FORMAT_R16G16_SNORM;
|
||
case SpvImageFormatRg8Snorm: return PIPE_FORMAT_R8G8_SNORM;
|
||
case SpvImageFormatR16Snorm: return PIPE_FORMAT_R16_SNORM;
|
||
case SpvImageFormatR8Snorm: return PIPE_FORMAT_R8_SNORM;
|
||
case SpvImageFormatRgba32i: return PIPE_FORMAT_R32G32B32A32_SINT;
|
||
case SpvImageFormatRgba16i: return PIPE_FORMAT_R16G16B16A16_SINT;
|
||
case SpvImageFormatRgba8i: return PIPE_FORMAT_R8G8B8A8_SINT;
|
||
case SpvImageFormatR32i: return PIPE_FORMAT_R32_SINT;
|
||
case SpvImageFormatRg32i: return PIPE_FORMAT_R32G32_SINT;
|
||
case SpvImageFormatRg16i: return PIPE_FORMAT_R16G16_SINT;
|
||
case SpvImageFormatRg8i: return PIPE_FORMAT_R8G8_SINT;
|
||
case SpvImageFormatR16i: return PIPE_FORMAT_R16_SINT;
|
||
case SpvImageFormatR8i: return PIPE_FORMAT_R8_SINT;
|
||
case SpvImageFormatRgba32ui: return PIPE_FORMAT_R32G32B32A32_UINT;
|
||
case SpvImageFormatRgba16ui: return PIPE_FORMAT_R16G16B16A16_UINT;
|
||
case SpvImageFormatRgba8ui: return PIPE_FORMAT_R8G8B8A8_UINT;
|
||
case SpvImageFormatR32ui: return PIPE_FORMAT_R32_UINT;
|
||
case SpvImageFormatRgb10a2ui: return PIPE_FORMAT_R10G10B10A2_UINT;
|
||
case SpvImageFormatRg32ui: return PIPE_FORMAT_R32G32_UINT;
|
||
case SpvImageFormatRg16ui: return PIPE_FORMAT_R16G16_UINT;
|
||
case SpvImageFormatRg8ui: return PIPE_FORMAT_R8G8_UINT;
|
||
case SpvImageFormatR16ui: return PIPE_FORMAT_R16_UINT;
|
||
case SpvImageFormatR8ui: return PIPE_FORMAT_R8_UINT;
|
||
case SpvImageFormatR64ui: return PIPE_FORMAT_R64_UINT;
|
||
case SpvImageFormatR64i: return PIPE_FORMAT_R64_SINT;
|
||
default:
|
||
vtn_fail("Invalid image format: %s (%u)",
|
||
spirv_imageformat_to_string(format), format);
|
||
}
|
||
}
|
||
|
||
static void
|
||
vtn_handle_type(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
struct vtn_value *val = NULL;
|
||
|
||
/* In order to properly handle forward declarations, we have to defer
|
||
* allocation for pointer types.
|
||
*/
|
||
if (opcode != SpvOpTypePointer && opcode != SpvOpTypeForwardPointer) {
|
||
val = vtn_push_value(b, w[1], vtn_value_type_type);
|
||
vtn_fail_if(val->type != NULL,
|
||
"Only pointers can have forward declarations");
|
||
val->type = rzalloc(b, struct vtn_type);
|
||
val->type->id = w[1];
|
||
}
|
||
|
||
switch (opcode) {
|
||
case SpvOpTypeVoid:
|
||
val->type->base_type = vtn_base_type_void;
|
||
val->type->type = glsl_void_type();
|
||
break;
|
||
case SpvOpTypeBool:
|
||
val->type->base_type = vtn_base_type_scalar;
|
||
val->type->type = glsl_bool_type();
|
||
val->type->length = 1;
|
||
break;
|
||
case SpvOpTypeInt: {
|
||
int bit_size = w[2];
|
||
const bool signedness = w[3];
|
||
vtn_fail_if(bit_size != 8 && bit_size != 16 &&
|
||
bit_size != 32 && bit_size != 64,
|
||
"Invalid int bit size: %u", bit_size);
|
||
val->type->base_type = vtn_base_type_scalar;
|
||
val->type->type = signedness ? glsl_intN_t_type(bit_size) :
|
||
glsl_uintN_t_type(bit_size);
|
||
val->type->length = 1;
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeFloat: {
|
||
int bit_size = w[2];
|
||
val->type->base_type = vtn_base_type_scalar;
|
||
vtn_fail_if(bit_size != 16 && bit_size != 32 && bit_size != 64,
|
||
"Invalid float bit size: %u", bit_size);
|
||
val->type->type = glsl_floatN_t_type(bit_size);
|
||
val->type->length = 1;
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeVector: {
|
||
struct vtn_type *base = vtn_get_type(b, w[2]);
|
||
unsigned elems = w[3];
|
||
|
||
vtn_fail_if(base->base_type != vtn_base_type_scalar,
|
||
"Base type for OpTypeVector must be a scalar");
|
||
vtn_fail_if((elems < 2 || elems > 4) && (elems != 8) && (elems != 16),
|
||
"Invalid component count for OpTypeVector");
|
||
|
||
val->type->base_type = vtn_base_type_vector;
|
||
val->type->type = glsl_vector_type(glsl_get_base_type(base->type), elems);
|
||
val->type->length = elems;
|
||
val->type->stride = glsl_type_is_boolean(val->type->type)
|
||
? 4 : glsl_get_bit_size(base->type) / 8;
|
||
val->type->array_element = base;
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeMatrix: {
|
||
struct vtn_type *base = vtn_get_type(b, w[2]);
|
||
unsigned columns = w[3];
|
||
|
||
vtn_fail_if(base->base_type != vtn_base_type_vector,
|
||
"Base type for OpTypeMatrix must be a vector");
|
||
vtn_fail_if(columns < 2 || columns > 4,
|
||
"Invalid column count for OpTypeMatrix");
|
||
|
||
val->type->base_type = vtn_base_type_matrix;
|
||
val->type->type = glsl_matrix_type(glsl_get_base_type(base->type),
|
||
glsl_get_vector_elements(base->type),
|
||
columns);
|
||
vtn_fail_if(glsl_type_is_error(val->type->type),
|
||
"Unsupported base type for OpTypeMatrix");
|
||
assert(!glsl_type_is_error(val->type->type));
|
||
val->type->length = columns;
|
||
val->type->array_element = base;
|
||
val->type->row_major = false;
|
||
val->type->stride = 0;
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeRuntimeArray:
|
||
case SpvOpTypeArray: {
|
||
struct vtn_type *array_element = vtn_get_type(b, w[2]);
|
||
|
||
if (opcode == SpvOpTypeRuntimeArray) {
|
||
/* A length of 0 is used to denote unsized arrays */
|
||
val->type->length = 0;
|
||
} else {
|
||
val->type->length = vtn_constant_uint(b, w[3]);
|
||
}
|
||
|
||
val->type->base_type = vtn_base_type_array;
|
||
val->type->array_element = array_element;
|
||
|
||
vtn_foreach_decoration(b, val, array_stride_decoration_cb, NULL);
|
||
val->type->type = glsl_array_type(array_element->type, val->type->length,
|
||
val->type->stride);
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeStruct: {
|
||
unsigned num_fields = count - 2;
|
||
val->type->base_type = vtn_base_type_struct;
|
||
val->type->length = num_fields;
|
||
val->type->members = ralloc_array(b, struct vtn_type *, num_fields);
|
||
val->type->offsets = ralloc_array(b, unsigned, num_fields);
|
||
val->type->packed = false;
|
||
|
||
NIR_VLA(struct glsl_struct_field, fields, count);
|
||
for (unsigned i = 0; i < num_fields; i++) {
|
||
val->type->members[i] = vtn_get_type(b, w[i + 2]);
|
||
const char *name = NULL;
|
||
for (struct vtn_decoration *dec = val->decoration; dec; dec = dec->next) {
|
||
if (dec->scope == VTN_DEC_STRUCT_MEMBER_NAME0 - i) {
|
||
name = dec->member_name;
|
||
break;
|
||
}
|
||
}
|
||
if (!name)
|
||
name = ralloc_asprintf(b, "field%d", i);
|
||
|
||
fields[i] = (struct glsl_struct_field) {
|
||
.type = val->type->members[i]->type,
|
||
.name = name,
|
||
.location = -1,
|
||
.offset = -1,
|
||
};
|
||
}
|
||
|
||
vtn_foreach_decoration(b, val, struct_packed_decoration_cb, NULL);
|
||
|
||
struct member_decoration_ctx ctx = {
|
||
.num_fields = num_fields,
|
||
.fields = fields,
|
||
.type = val->type
|
||
};
|
||
|
||
vtn_foreach_decoration(b, val, struct_member_decoration_cb, &ctx);
|
||
|
||
/* Propagate access specifiers that are present on all members to the overall type */
|
||
enum gl_access_qualifier overall_access = ACCESS_COHERENT | ACCESS_VOLATILE |
|
||
ACCESS_NON_READABLE | ACCESS_NON_WRITEABLE;
|
||
for (unsigned i = 0; i < num_fields; ++i)
|
||
overall_access &= val->type->members[i]->access;
|
||
val->type->access = overall_access;
|
||
|
||
vtn_foreach_decoration(b, val, struct_member_matrix_stride_cb, &ctx);
|
||
|
||
vtn_foreach_decoration(b, val, struct_block_decoration_cb, NULL);
|
||
|
||
const char *name = val->name;
|
||
|
||
if (val->type->block || val->type->buffer_block) {
|
||
/* Packing will be ignored since types coming from SPIR-V are
|
||
* explicitly laid out.
|
||
*/
|
||
val->type->type = glsl_interface_type(fields, num_fields,
|
||
/* packing */ 0, false,
|
||
name ? name : "block");
|
||
} else {
|
||
val->type->type = glsl_struct_type(fields, num_fields,
|
||
name ? name : "struct",
|
||
val->type->packed);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeFunction: {
|
||
val->type->base_type = vtn_base_type_function;
|
||
val->type->type = NULL;
|
||
|
||
val->type->return_type = vtn_get_type(b, w[2]);
|
||
|
||
const unsigned num_params = count - 3;
|
||
val->type->length = num_params;
|
||
val->type->params = ralloc_array(b, struct vtn_type *, num_params);
|
||
for (unsigned i = 0; i < count - 3; i++) {
|
||
val->type->params[i] = vtn_get_type(b, w[i + 3]);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypePointer:
|
||
case SpvOpTypeForwardPointer: {
|
||
/* We can't blindly push the value because it might be a forward
|
||
* declaration.
|
||
*/
|
||
val = vtn_untyped_value(b, w[1]);
|
||
|
||
SpvStorageClass storage_class = w[2];
|
||
|
||
vtn_fail_if(opcode == SpvOpTypeForwardPointer &&
|
||
b->shader->info.stage != MESA_SHADER_KERNEL &&
|
||
storage_class != SpvStorageClassPhysicalStorageBuffer,
|
||
"OpTypeForwardPointer is only allowed in Vulkan with "
|
||
"the PhysicalStorageBuffer storage class");
|
||
|
||
struct vtn_type *deref_type = NULL;
|
||
if (opcode == SpvOpTypePointer)
|
||
deref_type = vtn_get_type(b, w[3]);
|
||
|
||
bool has_forward_pointer = false;
|
||
if (val->value_type == vtn_value_type_invalid) {
|
||
val->value_type = vtn_value_type_type;
|
||
val->type = rzalloc(b, struct vtn_type);
|
||
val->type->id = w[1];
|
||
val->type->base_type = vtn_base_type_pointer;
|
||
val->type->storage_class = storage_class;
|
||
|
||
/* These can actually be stored to nir_variables and used as SSA
|
||
* values so they need a real glsl_type.
|
||
*/
|
||
enum vtn_variable_mode mode = vtn_storage_class_to_mode(
|
||
b, storage_class, deref_type, NULL);
|
||
|
||
/* The deref type should only matter for the UniformConstant storage
|
||
* class. In particular, it should never matter for any storage
|
||
* classes that are allowed in combination with OpTypeForwardPointer.
|
||
*/
|
||
if (storage_class != SpvStorageClassUniform &&
|
||
storage_class != SpvStorageClassUniformConstant) {
|
||
assert(mode == vtn_storage_class_to_mode(b, storage_class,
|
||
NULL, NULL));
|
||
}
|
||
|
||
val->type->type = nir_address_format_to_glsl_type(
|
||
vtn_mode_to_address_format(b, mode));
|
||
} else {
|
||
vtn_fail_if(val->type->storage_class != storage_class,
|
||
"The storage classes of an OpTypePointer and any "
|
||
"OpTypeForwardPointers that provide forward "
|
||
"declarations of it must match.");
|
||
has_forward_pointer = true;
|
||
}
|
||
|
||
if (opcode == SpvOpTypePointer) {
|
||
vtn_fail_if(val->type->deref != NULL,
|
||
"While OpTypeForwardPointer can be used to provide a "
|
||
"forward declaration of a pointer, OpTypePointer can "
|
||
"only be used once for a given id.");
|
||
|
||
vtn_fail_if(has_forward_pointer &&
|
||
deref_type->base_type != vtn_base_type_struct,
|
||
"An OpTypePointer instruction must declare "
|
||
"Pointer Type to be a pointer to an OpTypeStruct.");
|
||
|
||
val->type->deref = deref_type;
|
||
|
||
/* Only certain storage classes use ArrayStride. */
|
||
switch (storage_class) {
|
||
case SpvStorageClassWorkgroup:
|
||
if (!b->options->caps.workgroup_memory_explicit_layout)
|
||
break;
|
||
FALLTHROUGH;
|
||
|
||
case SpvStorageClassUniform:
|
||
case SpvStorageClassPushConstant:
|
||
case SpvStorageClassStorageBuffer:
|
||
case SpvStorageClassPhysicalStorageBuffer:
|
||
vtn_foreach_decoration(b, val, array_stride_decoration_cb, NULL);
|
||
break;
|
||
|
||
default:
|
||
/* Nothing to do. */
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeImage: {
|
||
val->type->base_type = vtn_base_type_image;
|
||
|
||
/* Images are represented in NIR as a scalar SSA value that is the
|
||
* result of a deref instruction. An OpLoad on an OpTypeImage pointer
|
||
* from UniformConstant memory just takes the NIR deref from the pointer
|
||
* and turns it into an SSA value.
|
||
*/
|
||
val->type->type = nir_address_format_to_glsl_type(
|
||
vtn_mode_to_address_format(b, vtn_variable_mode_function));
|
||
|
||
const struct vtn_type *sampled_type = vtn_get_type(b, w[2]);
|
||
if (b->shader->info.stage == MESA_SHADER_KERNEL) {
|
||
vtn_fail_if(sampled_type->base_type != vtn_base_type_void,
|
||
"Sampled type of OpTypeImage must be void for kernels");
|
||
} else {
|
||
vtn_fail_if(sampled_type->base_type != vtn_base_type_scalar,
|
||
"Sampled type of OpTypeImage must be a scalar");
|
||
if (b->options->caps.image_atomic_int64) {
|
||
vtn_fail_if(glsl_get_bit_size(sampled_type->type) != 32 &&
|
||
glsl_get_bit_size(sampled_type->type) != 64,
|
||
"Sampled type of OpTypeImage must be a 32 or 64-bit "
|
||
"scalar");
|
||
} else {
|
||
vtn_fail_if(glsl_get_bit_size(sampled_type->type) != 32,
|
||
"Sampled type of OpTypeImage must be a 32-bit scalar");
|
||
}
|
||
}
|
||
|
||
enum glsl_sampler_dim dim;
|
||
switch ((SpvDim)w[3]) {
|
||
case SpvDim1D: dim = GLSL_SAMPLER_DIM_1D; break;
|
||
case SpvDim2D: dim = GLSL_SAMPLER_DIM_2D; break;
|
||
case SpvDim3D: dim = GLSL_SAMPLER_DIM_3D; break;
|
||
case SpvDimCube: dim = GLSL_SAMPLER_DIM_CUBE; break;
|
||
case SpvDimRect: dim = GLSL_SAMPLER_DIM_RECT; break;
|
||
case SpvDimBuffer: dim = GLSL_SAMPLER_DIM_BUF; break;
|
||
case SpvDimSubpassData: dim = GLSL_SAMPLER_DIM_SUBPASS; break;
|
||
default:
|
||
vtn_fail("Invalid SPIR-V image dimensionality: %s (%u)",
|
||
spirv_dim_to_string((SpvDim)w[3]), w[3]);
|
||
}
|
||
|
||
/* w[4]: as per Vulkan spec "Validation Rules within a Module",
|
||
* The “Depth” operand of OpTypeImage is ignored.
|
||
*/
|
||
bool is_array = w[5];
|
||
bool multisampled = w[6];
|
||
unsigned sampled = w[7];
|
||
SpvImageFormat format = w[8];
|
||
|
||
if (count > 9)
|
||
val->type->access_qualifier = w[9];
|
||
else if (b->shader->info.stage == MESA_SHADER_KERNEL)
|
||
/* Per the CL C spec: If no qualifier is provided, read_only is assumed. */
|
||
val->type->access_qualifier = SpvAccessQualifierReadOnly;
|
||
else
|
||
val->type->access_qualifier = SpvAccessQualifierReadWrite;
|
||
|
||
if (multisampled) {
|
||
if (dim == GLSL_SAMPLER_DIM_2D)
|
||
dim = GLSL_SAMPLER_DIM_MS;
|
||
else if (dim == GLSL_SAMPLER_DIM_SUBPASS)
|
||
dim = GLSL_SAMPLER_DIM_SUBPASS_MS;
|
||
else
|
||
vtn_fail("Unsupported multisampled image type");
|
||
}
|
||
|
||
val->type->image_format = translate_image_format(b, format);
|
||
|
||
enum glsl_base_type sampled_base_type =
|
||
glsl_get_base_type(sampled_type->type);
|
||
if (sampled == 1) {
|
||
val->type->glsl_image = glsl_texture_type(dim, is_array,
|
||
sampled_base_type);
|
||
} else if (sampled == 2) {
|
||
val->type->glsl_image = glsl_image_type(dim, is_array,
|
||
sampled_base_type);
|
||
} else if (b->shader->info.stage == MESA_SHADER_KERNEL) {
|
||
val->type->glsl_image = glsl_image_type(dim, is_array,
|
||
GLSL_TYPE_VOID);
|
||
} else {
|
||
vtn_fail("We need to know if the image will be sampled");
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeSampledImage: {
|
||
val->type->base_type = vtn_base_type_sampled_image;
|
||
val->type->image = vtn_get_type(b, w[2]);
|
||
|
||
/* Sampled images are represented NIR as a vec2 SSA value where each
|
||
* component is the result of a deref instruction. The first component
|
||
* is the image and the second is the sampler. An OpLoad on an
|
||
* OpTypeSampledImage pointer from UniformConstant memory just takes
|
||
* the NIR deref from the pointer and duplicates it to both vector
|
||
* components.
|
||
*/
|
||
nir_address_format addr_format =
|
||
vtn_mode_to_address_format(b, vtn_variable_mode_function);
|
||
assert(nir_address_format_num_components(addr_format) == 1);
|
||
unsigned bit_size = nir_address_format_bit_size(addr_format);
|
||
assert(bit_size == 32 || bit_size == 64);
|
||
|
||
enum glsl_base_type base_type =
|
||
bit_size == 32 ? GLSL_TYPE_UINT : GLSL_TYPE_UINT64;
|
||
val->type->type = glsl_vector_type(base_type, 2);
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeSampler:
|
||
val->type->base_type = vtn_base_type_sampler;
|
||
|
||
/* Samplers are represented in NIR as a scalar SSA value that is the
|
||
* result of a deref instruction. An OpLoad on an OpTypeSampler pointer
|
||
* from UniformConstant memory just takes the NIR deref from the pointer
|
||
* and turns it into an SSA value.
|
||
*/
|
||
val->type->type = nir_address_format_to_glsl_type(
|
||
vtn_mode_to_address_format(b, vtn_variable_mode_function));
|
||
break;
|
||
|
||
case SpvOpTypeAccelerationStructureKHR:
|
||
val->type->base_type = vtn_base_type_accel_struct;
|
||
val->type->type = glsl_uint64_t_type();
|
||
break;
|
||
|
||
|
||
case SpvOpTypeOpaque: {
|
||
val->type->base_type = vtn_base_type_struct;
|
||
const char *name = vtn_string_literal(b, &w[2], count - 2, NULL);
|
||
val->type->type = glsl_struct_type(NULL, 0, name, false);
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeRayQueryKHR: {
|
||
val->type->base_type = vtn_base_type_ray_query;
|
||
val->type->type = glsl_uint64_t_type();
|
||
/* We may need to run queries on helper invocations. Here the parser
|
||
* doesn't go through a deeper analysis on whether the result of a query
|
||
* will be used in derivative instructions.
|
||
*
|
||
* An implementation willing to optimize this would look through the IR
|
||
* and check if any derivative instruction uses the result of a query
|
||
* and drop this flag if not.
|
||
*/
|
||
if (b->shader->info.stage == MESA_SHADER_FRAGMENT)
|
||
val->type->access = ACCESS_INCLUDE_HELPERS;
|
||
break;
|
||
}
|
||
|
||
case SpvOpTypeEvent:
|
||
val->type->base_type = vtn_base_type_event;
|
||
val->type->type = glsl_int_type();
|
||
break;
|
||
|
||
case SpvOpTypeDeviceEvent:
|
||
case SpvOpTypeReserveId:
|
||
case SpvOpTypeQueue:
|
||
case SpvOpTypePipe:
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
|
||
vtn_foreach_decoration(b, val, type_decoration_cb, NULL);
|
||
|
||
if (val->type->base_type == vtn_base_type_struct &&
|
||
(val->type->block || val->type->buffer_block)) {
|
||
for (unsigned i = 0; i < val->type->length; i++) {
|
||
vtn_fail_if(vtn_type_contains_block(b, val->type->members[i]),
|
||
"Block and BufferBlock decorations cannot decorate a "
|
||
"structure type that is nested at any level inside "
|
||
"another structure type decorated with Block or "
|
||
"BufferBlock.");
|
||
}
|
||
}
|
||
}
|
||
|
||
static nir_constant *
|
||
vtn_null_constant(struct vtn_builder *b, struct vtn_type *type)
|
||
{
|
||
nir_constant *c = rzalloc(b, nir_constant);
|
||
|
||
switch (type->base_type) {
|
||
case vtn_base_type_scalar:
|
||
case vtn_base_type_vector:
|
||
/* Nothing to do here. It's already initialized to zero */
|
||
break;
|
||
|
||
case vtn_base_type_pointer: {
|
||
enum vtn_variable_mode mode = vtn_storage_class_to_mode(
|
||
b, type->storage_class, type->deref, NULL);
|
||
nir_address_format addr_format = vtn_mode_to_address_format(b, mode);
|
||
|
||
const nir_const_value *null_value = nir_address_format_null_value(addr_format);
|
||
memcpy(c->values, null_value,
|
||
sizeof(nir_const_value) * nir_address_format_num_components(addr_format));
|
||
break;
|
||
}
|
||
|
||
case vtn_base_type_void:
|
||
case vtn_base_type_image:
|
||
case vtn_base_type_sampler:
|
||
case vtn_base_type_sampled_image:
|
||
case vtn_base_type_function:
|
||
case vtn_base_type_event:
|
||
/* For those we have to return something but it doesn't matter what. */
|
||
break;
|
||
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_array:
|
||
vtn_assert(type->length > 0);
|
||
c->num_elements = type->length;
|
||
c->elements = ralloc_array(b, nir_constant *, c->num_elements);
|
||
|
||
c->elements[0] = vtn_null_constant(b, type->array_element);
|
||
for (unsigned i = 1; i < c->num_elements; i++)
|
||
c->elements[i] = c->elements[0];
|
||
break;
|
||
|
||
case vtn_base_type_struct:
|
||
c->num_elements = type->length;
|
||
c->elements = ralloc_array(b, nir_constant *, c->num_elements);
|
||
for (unsigned i = 0; i < c->num_elements; i++)
|
||
c->elements[i] = vtn_null_constant(b, type->members[i]);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("Invalid type for null constant");
|
||
}
|
||
|
||
return c;
|
||
}
|
||
|
||
static void
|
||
spec_constant_decoration_cb(struct vtn_builder *b, UNUSED struct vtn_value *val,
|
||
ASSERTED int member,
|
||
const struct vtn_decoration *dec, void *data)
|
||
{
|
||
vtn_assert(member == -1);
|
||
if (dec->decoration != SpvDecorationSpecId)
|
||
return;
|
||
|
||
nir_const_value *value = data;
|
||
for (unsigned i = 0; i < b->num_specializations; i++) {
|
||
if (b->specializations[i].id == dec->operands[0]) {
|
||
*value = b->specializations[i].value;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
handle_workgroup_size_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val,
|
||
ASSERTED int member,
|
||
const struct vtn_decoration *dec,
|
||
UNUSED void *data)
|
||
{
|
||
vtn_assert(member == -1);
|
||
if (dec->decoration != SpvDecorationBuiltIn ||
|
||
dec->operands[0] != SpvBuiltInWorkgroupSize)
|
||
return;
|
||
|
||
vtn_assert(val->type->type == glsl_vector_type(GLSL_TYPE_UINT, 3));
|
||
b->workgroup_size_builtin = val;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_constant(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_constant);
|
||
val->constant = rzalloc(b, nir_constant);
|
||
switch (opcode) {
|
||
case SpvOpConstantTrue:
|
||
case SpvOpConstantFalse:
|
||
case SpvOpSpecConstantTrue:
|
||
case SpvOpSpecConstantFalse: {
|
||
vtn_fail_if(val->type->type != glsl_bool_type(),
|
||
"Result type of %s must be OpTypeBool",
|
||
spirv_op_to_string(opcode));
|
||
|
||
bool bval = (opcode == SpvOpConstantTrue ||
|
||
opcode == SpvOpSpecConstantTrue);
|
||
|
||
nir_const_value u32val = nir_const_value_for_uint(bval, 32);
|
||
|
||
if (opcode == SpvOpSpecConstantTrue ||
|
||
opcode == SpvOpSpecConstantFalse)
|
||
vtn_foreach_decoration(b, val, spec_constant_decoration_cb, &u32val);
|
||
|
||
val->constant->values[0].b = u32val.u32 != 0;
|
||
break;
|
||
}
|
||
|
||
case SpvOpConstant:
|
||
case SpvOpSpecConstant: {
|
||
vtn_fail_if(val->type->base_type != vtn_base_type_scalar,
|
||
"Result type of %s must be a scalar",
|
||
spirv_op_to_string(opcode));
|
||
int bit_size = glsl_get_bit_size(val->type->type);
|
||
switch (bit_size) {
|
||
case 64:
|
||
val->constant->values[0].u64 = vtn_u64_literal(&w[3]);
|
||
break;
|
||
case 32:
|
||
val->constant->values[0].u32 = w[3];
|
||
break;
|
||
case 16:
|
||
val->constant->values[0].u16 = w[3];
|
||
break;
|
||
case 8:
|
||
val->constant->values[0].u8 = w[3];
|
||
break;
|
||
default:
|
||
vtn_fail("Unsupported SpvOpConstant bit size: %u", bit_size);
|
||
}
|
||
|
||
if (opcode == SpvOpSpecConstant)
|
||
vtn_foreach_decoration(b, val, spec_constant_decoration_cb,
|
||
&val->constant->values[0]);
|
||
break;
|
||
}
|
||
|
||
case SpvOpSpecConstantComposite:
|
||
case SpvOpConstantComposite: {
|
||
unsigned elem_count = count - 3;
|
||
vtn_fail_if(elem_count != val->type->length,
|
||
"%s has %u constituents, expected %u",
|
||
spirv_op_to_string(opcode), elem_count, val->type->length);
|
||
|
||
nir_constant **elems = ralloc_array(b, nir_constant *, elem_count);
|
||
val->is_undef_constant = true;
|
||
for (unsigned i = 0; i < elem_count; i++) {
|
||
struct vtn_value *elem_val = vtn_untyped_value(b, w[i + 3]);
|
||
|
||
if (elem_val->value_type == vtn_value_type_constant) {
|
||
elems[i] = elem_val->constant;
|
||
val->is_undef_constant = val->is_undef_constant &&
|
||
elem_val->is_undef_constant;
|
||
} else {
|
||
vtn_fail_if(elem_val->value_type != vtn_value_type_undef,
|
||
"only constants or undefs allowed for "
|
||
"SpvOpConstantComposite");
|
||
/* to make it easier, just insert a NULL constant for now */
|
||
elems[i] = vtn_null_constant(b, elem_val->type);
|
||
}
|
||
}
|
||
|
||
switch (val->type->base_type) {
|
||
case vtn_base_type_vector: {
|
||
assert(glsl_type_is_vector(val->type->type));
|
||
for (unsigned i = 0; i < elem_count; i++)
|
||
val->constant->values[i] = elems[i]->values[0];
|
||
break;
|
||
}
|
||
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_struct:
|
||
case vtn_base_type_array:
|
||
ralloc_steal(val->constant, elems);
|
||
val->constant->num_elements = elem_count;
|
||
val->constant->elements = elems;
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("Result type of %s must be a composite type",
|
||
spirv_op_to_string(opcode));
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpSpecConstantOp: {
|
||
nir_const_value u32op = nir_const_value_for_uint(w[3], 32);
|
||
vtn_foreach_decoration(b, val, spec_constant_decoration_cb, &u32op);
|
||
SpvOp opcode = u32op.u32;
|
||
switch (opcode) {
|
||
case SpvOpVectorShuffle: {
|
||
struct vtn_value *v0 = &b->values[w[4]];
|
||
struct vtn_value *v1 = &b->values[w[5]];
|
||
|
||
vtn_assert(v0->value_type == vtn_value_type_constant ||
|
||
v0->value_type == vtn_value_type_undef);
|
||
vtn_assert(v1->value_type == vtn_value_type_constant ||
|
||
v1->value_type == vtn_value_type_undef);
|
||
|
||
unsigned len0 = glsl_get_vector_elements(v0->type->type);
|
||
unsigned len1 = glsl_get_vector_elements(v1->type->type);
|
||
|
||
vtn_assert(len0 + len1 < 16);
|
||
|
||
unsigned bit_size = glsl_get_bit_size(val->type->type);
|
||
unsigned bit_size0 = glsl_get_bit_size(v0->type->type);
|
||
unsigned bit_size1 = glsl_get_bit_size(v1->type->type);
|
||
|
||
vtn_assert(bit_size == bit_size0 && bit_size == bit_size1);
|
||
(void)bit_size0; (void)bit_size1;
|
||
|
||
nir_const_value undef = { .u64 = 0xdeadbeefdeadbeef };
|
||
nir_const_value combined[NIR_MAX_VEC_COMPONENTS * 2];
|
||
|
||
if (v0->value_type == vtn_value_type_constant) {
|
||
for (unsigned i = 0; i < len0; i++)
|
||
combined[i] = v0->constant->values[i];
|
||
}
|
||
if (v1->value_type == vtn_value_type_constant) {
|
||
for (unsigned i = 0; i < len1; i++)
|
||
combined[len0 + i] = v1->constant->values[i];
|
||
}
|
||
|
||
for (unsigned i = 0, j = 0; i < count - 6; i++, j++) {
|
||
uint32_t comp = w[i + 6];
|
||
if (comp == (uint32_t)-1) {
|
||
/* If component is not used, set the value to a known constant
|
||
* to detect if it is wrongly used.
|
||
*/
|
||
val->constant->values[j] = undef;
|
||
} else {
|
||
vtn_fail_if(comp >= len0 + len1,
|
||
"All Component literals must either be FFFFFFFF "
|
||
"or in [0, N - 1] (inclusive).");
|
||
val->constant->values[j] = combined[comp];
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpCompositeExtract:
|
||
case SpvOpCompositeInsert: {
|
||
struct vtn_value *comp;
|
||
unsigned deref_start;
|
||
struct nir_constant **c;
|
||
if (opcode == SpvOpCompositeExtract) {
|
||
comp = vtn_value(b, w[4], vtn_value_type_constant);
|
||
deref_start = 5;
|
||
c = &comp->constant;
|
||
} else {
|
||
comp = vtn_value(b, w[5], vtn_value_type_constant);
|
||
deref_start = 6;
|
||
val->constant = nir_constant_clone(comp->constant,
|
||
(nir_variable *)b);
|
||
c = &val->constant;
|
||
}
|
||
|
||
int elem = -1;
|
||
const struct vtn_type *type = comp->type;
|
||
for (unsigned i = deref_start; i < count; i++) {
|
||
vtn_fail_if(w[i] > type->length,
|
||
"%uth index of %s is %u but the type has only "
|
||
"%u elements", i - deref_start,
|
||
spirv_op_to_string(opcode), w[i], type->length);
|
||
|
||
switch (type->base_type) {
|
||
case vtn_base_type_vector:
|
||
elem = w[i];
|
||
type = type->array_element;
|
||
break;
|
||
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_array:
|
||
c = &(*c)->elements[w[i]];
|
||
type = type->array_element;
|
||
break;
|
||
|
||
case vtn_base_type_struct:
|
||
c = &(*c)->elements[w[i]];
|
||
type = type->members[w[i]];
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("%s must only index into composite types",
|
||
spirv_op_to_string(opcode));
|
||
}
|
||
}
|
||
|
||
if (opcode == SpvOpCompositeExtract) {
|
||
if (elem == -1) {
|
||
val->constant = *c;
|
||
} else {
|
||
unsigned num_components = type->length;
|
||
for (unsigned i = 0; i < num_components; i++)
|
||
val->constant->values[i] = (*c)->values[elem + i];
|
||
}
|
||
} else {
|
||
struct vtn_value *insert =
|
||
vtn_value(b, w[4], vtn_value_type_constant);
|
||
vtn_assert(insert->type == type);
|
||
if (elem == -1) {
|
||
*c = insert->constant;
|
||
} else {
|
||
unsigned num_components = type->length;
|
||
for (unsigned i = 0; i < num_components; i++)
|
||
(*c)->values[elem + i] = insert->constant->values[i];
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
|
||
default: {
|
||
bool swap;
|
||
nir_alu_type dst_alu_type = nir_get_nir_type_for_glsl_type(val->type->type);
|
||
nir_alu_type src_alu_type = dst_alu_type;
|
||
unsigned num_components = glsl_get_vector_elements(val->type->type);
|
||
unsigned bit_size;
|
||
|
||
vtn_assert(count <= 7);
|
||
|
||
switch (opcode) {
|
||
case SpvOpSConvert:
|
||
case SpvOpFConvert:
|
||
case SpvOpUConvert:
|
||
/* We have a source in a conversion */
|
||
src_alu_type =
|
||
nir_get_nir_type_for_glsl_type(vtn_get_value_type(b, w[4])->type);
|
||
/* We use the bitsize of the conversion source to evaluate the opcode later */
|
||
bit_size = glsl_get_bit_size(vtn_get_value_type(b, w[4])->type);
|
||
break;
|
||
default:
|
||
bit_size = glsl_get_bit_size(val->type->type);
|
||
};
|
||
|
||
bool exact;
|
||
nir_op op = vtn_nir_alu_op_for_spirv_opcode(b, opcode, &swap, &exact,
|
||
nir_alu_type_get_type_size(src_alu_type),
|
||
nir_alu_type_get_type_size(dst_alu_type));
|
||
|
||
/* No SPIR-V opcodes handled through this path should set exact.
|
||
* Since it is ignored, assert on it.
|
||
*/
|
||
assert(!exact);
|
||
|
||
nir_const_value src[3][NIR_MAX_VEC_COMPONENTS];
|
||
|
||
for (unsigned i = 0; i < count - 4; i++) {
|
||
struct vtn_value *src_val =
|
||
vtn_value(b, w[4 + i], vtn_value_type_constant);
|
||
|
||
/* If this is an unsized source, pull the bit size from the
|
||
* source; otherwise, we'll use the bit size from the destination.
|
||
*/
|
||
if (!nir_alu_type_get_type_size(nir_op_infos[op].input_types[i]))
|
||
bit_size = glsl_get_bit_size(src_val->type->type);
|
||
|
||
unsigned src_comps = nir_op_infos[op].input_sizes[i] ?
|
||
nir_op_infos[op].input_sizes[i] :
|
||
num_components;
|
||
|
||
unsigned j = swap ? 1 - i : i;
|
||
for (unsigned c = 0; c < src_comps; c++)
|
||
src[j][c] = src_val->constant->values[c];
|
||
}
|
||
|
||
/* fix up fixed size sources */
|
||
switch (op) {
|
||
case nir_op_ishl:
|
||
case nir_op_ishr:
|
||
case nir_op_ushr: {
|
||
if (bit_size == 32)
|
||
break;
|
||
for (unsigned i = 0; i < num_components; ++i) {
|
||
switch (bit_size) {
|
||
case 64: src[1][i].u32 = src[1][i].u64; break;
|
||
case 16: src[1][i].u32 = src[1][i].u16; break;
|
||
case 8: src[1][i].u32 = src[1][i].u8; break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
|
||
nir_const_value *srcs[3] = {
|
||
src[0], src[1], src[2],
|
||
};
|
||
nir_eval_const_opcode(op, val->constant->values,
|
||
num_components, bit_size, srcs,
|
||
b->shader->info.float_controls_execution_mode);
|
||
break;
|
||
} /* default */
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpConstantNull:
|
||
val->constant = vtn_null_constant(b, val->type);
|
||
val->is_null_constant = true;
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
|
||
/* Now that we have the value, update the workgroup size if needed */
|
||
if (gl_shader_stage_uses_workgroup(b->entry_point_stage))
|
||
vtn_foreach_decoration(b, val, handle_workgroup_size_decoration_cb,
|
||
NULL);
|
||
}
|
||
|
||
static void
|
||
vtn_split_barrier_semantics(struct vtn_builder *b,
|
||
SpvMemorySemanticsMask semantics,
|
||
SpvMemorySemanticsMask *before,
|
||
SpvMemorySemanticsMask *after)
|
||
{
|
||
/* For memory semantics embedded in operations, we split them into up to
|
||
* two barriers, to be added before and after the operation. This is less
|
||
* strict than if we propagated until the final backend stage, but still
|
||
* result in correct execution.
|
||
*
|
||
* A further improvement could be pipe this information (and use!) into the
|
||
* next compiler layers, at the expense of making the handling of barriers
|
||
* more complicated.
|
||
*/
|
||
|
||
*before = SpvMemorySemanticsMaskNone;
|
||
*after = SpvMemorySemanticsMaskNone;
|
||
|
||
SpvMemorySemanticsMask order_semantics =
|
||
semantics & (SpvMemorySemanticsAcquireMask |
|
||
SpvMemorySemanticsReleaseMask |
|
||
SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsSequentiallyConsistentMask);
|
||
|
||
if (util_bitcount(order_semantics) > 1) {
|
||
/* Old GLSLang versions incorrectly set all the ordering bits. This was
|
||
* fixed in c51287d744fb6e7e9ccc09f6f8451e6c64b1dad6 of glslang repo,
|
||
* and it is in GLSLang since revision "SPIRV99.1321" (from Jul-2016).
|
||
*/
|
||
vtn_warn("Multiple memory ordering semantics specified, "
|
||
"assuming AcquireRelease.");
|
||
order_semantics = SpvMemorySemanticsAcquireReleaseMask;
|
||
}
|
||
|
||
const SpvMemorySemanticsMask av_vis_semantics =
|
||
semantics & (SpvMemorySemanticsMakeAvailableMask |
|
||
SpvMemorySemanticsMakeVisibleMask);
|
||
|
||
const SpvMemorySemanticsMask storage_semantics =
|
||
semantics & (SpvMemorySemanticsUniformMemoryMask |
|
||
SpvMemorySemanticsSubgroupMemoryMask |
|
||
SpvMemorySemanticsWorkgroupMemoryMask |
|
||
SpvMemorySemanticsCrossWorkgroupMemoryMask |
|
||
SpvMemorySemanticsAtomicCounterMemoryMask |
|
||
SpvMemorySemanticsImageMemoryMask |
|
||
SpvMemorySemanticsOutputMemoryMask);
|
||
|
||
const SpvMemorySemanticsMask other_semantics =
|
||
semantics & ~(order_semantics | av_vis_semantics | storage_semantics |
|
||
SpvMemorySemanticsVolatileMask);
|
||
|
||
if (other_semantics)
|
||
vtn_warn("Ignoring unhandled memory semantics: %u\n", other_semantics);
|
||
|
||
/* SequentiallyConsistent is treated as AcquireRelease. */
|
||
|
||
/* The RELEASE barrier happens BEFORE the operation, and it is usually
|
||
* associated with a Store. All the write operations with a matching
|
||
* semantics will not be reordered after the Store.
|
||
*/
|
||
if (order_semantics & (SpvMemorySemanticsReleaseMask |
|
||
SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsSequentiallyConsistentMask)) {
|
||
*before |= SpvMemorySemanticsReleaseMask | storage_semantics;
|
||
}
|
||
|
||
/* The ACQUIRE barrier happens AFTER the operation, and it is usually
|
||
* associated with a Load. All the operations with a matching semantics
|
||
* will not be reordered before the Load.
|
||
*/
|
||
if (order_semantics & (SpvMemorySemanticsAcquireMask |
|
||
SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsSequentiallyConsistentMask)) {
|
||
*after |= SpvMemorySemanticsAcquireMask | storage_semantics;
|
||
}
|
||
|
||
if (av_vis_semantics & SpvMemorySemanticsMakeVisibleMask)
|
||
*before |= SpvMemorySemanticsMakeVisibleMask | storage_semantics;
|
||
|
||
if (av_vis_semantics & SpvMemorySemanticsMakeAvailableMask)
|
||
*after |= SpvMemorySemanticsMakeAvailableMask | storage_semantics;
|
||
}
|
||
|
||
static nir_memory_semantics
|
||
vtn_mem_semantics_to_nir_mem_semantics(struct vtn_builder *b,
|
||
SpvMemorySemanticsMask semantics)
|
||
{
|
||
nir_memory_semantics nir_semantics = 0;
|
||
|
||
SpvMemorySemanticsMask order_semantics =
|
||
semantics & (SpvMemorySemanticsAcquireMask |
|
||
SpvMemorySemanticsReleaseMask |
|
||
SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsSequentiallyConsistentMask);
|
||
|
||
if (util_bitcount(order_semantics) > 1) {
|
||
/* Old GLSLang versions incorrectly set all the ordering bits. This was
|
||
* fixed in c51287d744fb6e7e9ccc09f6f8451e6c64b1dad6 of glslang repo,
|
||
* and it is in GLSLang since revision "SPIRV99.1321" (from Jul-2016).
|
||
*/
|
||
vtn_warn("Multiple memory ordering semantics bits specified, "
|
||
"assuming AcquireRelease.");
|
||
order_semantics = SpvMemorySemanticsAcquireReleaseMask;
|
||
}
|
||
|
||
switch (order_semantics) {
|
||
case 0:
|
||
/* Not an ordering barrier. */
|
||
break;
|
||
|
||
case SpvMemorySemanticsAcquireMask:
|
||
nir_semantics = NIR_MEMORY_ACQUIRE;
|
||
break;
|
||
|
||
case SpvMemorySemanticsReleaseMask:
|
||
nir_semantics = NIR_MEMORY_RELEASE;
|
||
break;
|
||
|
||
case SpvMemorySemanticsSequentiallyConsistentMask:
|
||
FALLTHROUGH; /* Treated as AcquireRelease in Vulkan. */
|
||
case SpvMemorySemanticsAcquireReleaseMask:
|
||
nir_semantics = NIR_MEMORY_ACQUIRE | NIR_MEMORY_RELEASE;
|
||
break;
|
||
|
||
default:
|
||
unreachable("Invalid memory order semantics");
|
||
}
|
||
|
||
if (semantics & SpvMemorySemanticsMakeAvailableMask) {
|
||
vtn_fail_if(!b->options->caps.vk_memory_model,
|
||
"To use MakeAvailable memory semantics the VulkanMemoryModel "
|
||
"capability must be declared.");
|
||
nir_semantics |= NIR_MEMORY_MAKE_AVAILABLE;
|
||
}
|
||
|
||
if (semantics & SpvMemorySemanticsMakeVisibleMask) {
|
||
vtn_fail_if(!b->options->caps.vk_memory_model,
|
||
"To use MakeVisible memory semantics the VulkanMemoryModel "
|
||
"capability must be declared.");
|
||
nir_semantics |= NIR_MEMORY_MAKE_VISIBLE;
|
||
}
|
||
|
||
return nir_semantics;
|
||
}
|
||
|
||
static nir_variable_mode
|
||
vtn_mem_semantics_to_nir_var_modes(struct vtn_builder *b,
|
||
SpvMemorySemanticsMask semantics)
|
||
{
|
||
/* Vulkan Environment for SPIR-V says "SubgroupMemory, CrossWorkgroupMemory,
|
||
* and AtomicCounterMemory are ignored".
|
||
*/
|
||
if (b->options->environment == NIR_SPIRV_VULKAN) {
|
||
semantics &= ~(SpvMemorySemanticsSubgroupMemoryMask |
|
||
SpvMemorySemanticsCrossWorkgroupMemoryMask |
|
||
SpvMemorySemanticsAtomicCounterMemoryMask);
|
||
}
|
||
|
||
nir_variable_mode modes = 0;
|
||
if (semantics & SpvMemorySemanticsUniformMemoryMask) {
|
||
modes |= nir_var_uniform |
|
||
nir_var_mem_ubo |
|
||
nir_var_mem_ssbo |
|
||
nir_var_mem_global;
|
||
}
|
||
if (semantics & SpvMemorySemanticsImageMemoryMask)
|
||
modes |= nir_var_image;
|
||
if (semantics & SpvMemorySemanticsWorkgroupMemoryMask)
|
||
modes |= nir_var_mem_shared;
|
||
if (semantics & SpvMemorySemanticsCrossWorkgroupMemoryMask)
|
||
modes |= nir_var_mem_global;
|
||
if (semantics & SpvMemorySemanticsOutputMemoryMask) {
|
||
modes |= nir_var_shader_out;
|
||
|
||
if (b->shader->info.stage == MESA_SHADER_TASK)
|
||
modes |= nir_var_mem_task_payload;
|
||
}
|
||
|
||
return modes;
|
||
}
|
||
|
||
static nir_scope
|
||
vtn_scope_to_nir_scope(struct vtn_builder *b, SpvScope scope)
|
||
{
|
||
nir_scope nir_scope;
|
||
switch (scope) {
|
||
case SpvScopeDevice:
|
||
vtn_fail_if(b->options->caps.vk_memory_model &&
|
||
!b->options->caps.vk_memory_model_device_scope,
|
||
"If the Vulkan memory model is declared and any instruction "
|
||
"uses Device scope, the VulkanMemoryModelDeviceScope "
|
||
"capability must be declared.");
|
||
nir_scope = NIR_SCOPE_DEVICE;
|
||
break;
|
||
|
||
case SpvScopeQueueFamily:
|
||
vtn_fail_if(!b->options->caps.vk_memory_model,
|
||
"To use Queue Family scope, the VulkanMemoryModel capability "
|
||
"must be declared.");
|
||
nir_scope = NIR_SCOPE_QUEUE_FAMILY;
|
||
break;
|
||
|
||
case SpvScopeWorkgroup:
|
||
nir_scope = NIR_SCOPE_WORKGROUP;
|
||
break;
|
||
|
||
case SpvScopeSubgroup:
|
||
nir_scope = NIR_SCOPE_SUBGROUP;
|
||
break;
|
||
|
||
case SpvScopeInvocation:
|
||
nir_scope = NIR_SCOPE_INVOCATION;
|
||
break;
|
||
|
||
case SpvScopeShaderCallKHR:
|
||
nir_scope = NIR_SCOPE_SHADER_CALL;
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("Invalid memory scope");
|
||
}
|
||
|
||
return nir_scope;
|
||
}
|
||
|
||
static void
|
||
vtn_emit_scoped_control_barrier(struct vtn_builder *b, SpvScope exec_scope,
|
||
SpvScope mem_scope,
|
||
SpvMemorySemanticsMask semantics)
|
||
{
|
||
nir_memory_semantics nir_semantics =
|
||
vtn_mem_semantics_to_nir_mem_semantics(b, semantics);
|
||
nir_variable_mode modes = vtn_mem_semantics_to_nir_var_modes(b, semantics);
|
||
nir_scope nir_exec_scope = vtn_scope_to_nir_scope(b, exec_scope);
|
||
|
||
/* Memory semantics is optional for OpControlBarrier. */
|
||
nir_scope nir_mem_scope;
|
||
if (nir_semantics == 0 || modes == 0)
|
||
nir_mem_scope = NIR_SCOPE_NONE;
|
||
else
|
||
nir_mem_scope = vtn_scope_to_nir_scope(b, mem_scope);
|
||
|
||
nir_scoped_barrier(&b->nb, .execution_scope=nir_exec_scope, .memory_scope=nir_mem_scope,
|
||
.memory_semantics=nir_semantics, .memory_modes=modes);
|
||
}
|
||
|
||
static void
|
||
vtn_emit_scoped_memory_barrier(struct vtn_builder *b, SpvScope scope,
|
||
SpvMemorySemanticsMask semantics)
|
||
{
|
||
nir_variable_mode modes = vtn_mem_semantics_to_nir_var_modes(b, semantics);
|
||
nir_memory_semantics nir_semantics =
|
||
vtn_mem_semantics_to_nir_mem_semantics(b, semantics);
|
||
|
||
/* No barrier to add. */
|
||
if (nir_semantics == 0 || modes == 0)
|
||
return;
|
||
|
||
nir_scoped_barrier(&b->nb, .memory_scope=vtn_scope_to_nir_scope(b, scope),
|
||
.memory_semantics=nir_semantics,
|
||
.memory_modes=modes);
|
||
}
|
||
|
||
struct vtn_ssa_value *
|
||
vtn_create_ssa_value(struct vtn_builder *b, const struct glsl_type *type)
|
||
{
|
||
/* Always use bare types for SSA values for a couple of reasons:
|
||
*
|
||
* 1. Code which emits deref chains should never listen to the explicit
|
||
* layout information on the SSA value if any exists. If we've
|
||
* accidentally been relying on this, we want to find those bugs.
|
||
*
|
||
* 2. We want to be able to quickly check that an SSA value being assigned
|
||
* to a SPIR-V value has the right type. Using bare types everywhere
|
||
* ensures that we can pointer-compare.
|
||
*/
|
||
struct vtn_ssa_value *val = rzalloc(b, struct vtn_ssa_value);
|
||
val->type = glsl_get_bare_type(type);
|
||
|
||
|
||
if (!glsl_type_is_vector_or_scalar(type)) {
|
||
unsigned elems = glsl_get_length(val->type);
|
||
val->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
|
||
if (glsl_type_is_array_or_matrix(type)) {
|
||
const struct glsl_type *elem_type = glsl_get_array_element(type);
|
||
for (unsigned i = 0; i < elems; i++)
|
||
val->elems[i] = vtn_create_ssa_value(b, elem_type);
|
||
} else {
|
||
vtn_assert(glsl_type_is_struct_or_ifc(type));
|
||
for (unsigned i = 0; i < elems; i++) {
|
||
const struct glsl_type *elem_type = glsl_get_struct_field(type, i);
|
||
val->elems[i] = vtn_create_ssa_value(b, elem_type);
|
||
}
|
||
}
|
||
}
|
||
|
||
return val;
|
||
}
|
||
|
||
static nir_tex_src
|
||
vtn_tex_src(struct vtn_builder *b, unsigned index, nir_tex_src_type type)
|
||
{
|
||
nir_tex_src src;
|
||
src.src = nir_src_for_ssa(vtn_get_nir_ssa(b, index));
|
||
src.src_type = type;
|
||
return src;
|
||
}
|
||
|
||
static uint32_t
|
||
image_operand_arg(struct vtn_builder *b, const uint32_t *w, uint32_t count,
|
||
uint32_t mask_idx, SpvImageOperandsMask op)
|
||
{
|
||
static const SpvImageOperandsMask ops_with_arg =
|
||
SpvImageOperandsBiasMask |
|
||
SpvImageOperandsLodMask |
|
||
SpvImageOperandsGradMask |
|
||
SpvImageOperandsConstOffsetMask |
|
||
SpvImageOperandsOffsetMask |
|
||
SpvImageOperandsConstOffsetsMask |
|
||
SpvImageOperandsSampleMask |
|
||
SpvImageOperandsMinLodMask |
|
||
SpvImageOperandsMakeTexelAvailableMask |
|
||
SpvImageOperandsMakeTexelVisibleMask;
|
||
|
||
assert(util_bitcount(op) == 1);
|
||
assert(w[mask_idx] & op);
|
||
assert(op & ops_with_arg);
|
||
|
||
uint32_t idx = util_bitcount(w[mask_idx] & (op - 1) & ops_with_arg) + 1;
|
||
|
||
/* Adjust indices for operands with two arguments. */
|
||
static const SpvImageOperandsMask ops_with_two_args =
|
||
SpvImageOperandsGradMask;
|
||
idx += util_bitcount(w[mask_idx] & (op - 1) & ops_with_two_args);
|
||
|
||
idx += mask_idx;
|
||
|
||
vtn_fail_if(idx + (op & ops_with_two_args ? 1 : 0) >= count,
|
||
"Image op claims to have %s but does not enough "
|
||
"following operands", spirv_imageoperands_to_string(op));
|
||
|
||
return idx;
|
||
}
|
||
|
||
static void
|
||
non_uniform_decoration_cb(struct vtn_builder *b,
|
||
struct vtn_value *val, int member,
|
||
const struct vtn_decoration *dec, void *void_ctx)
|
||
{
|
||
enum gl_access_qualifier *access = void_ctx;
|
||
switch (dec->decoration) {
|
||
case SpvDecorationNonUniformEXT:
|
||
*access |= ACCESS_NON_UNIFORM;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Apply SignExtend/ZeroExtend operands to get the actual result type for
|
||
* image read/sample operations and source type for write operations.
|
||
*/
|
||
static nir_alu_type
|
||
get_image_type(struct vtn_builder *b, nir_alu_type type, unsigned operands)
|
||
{
|
||
unsigned extend_operands =
|
||
operands & (SpvImageOperandsSignExtendMask | SpvImageOperandsZeroExtendMask);
|
||
vtn_fail_if(nir_alu_type_get_base_type(type) == nir_type_float && extend_operands,
|
||
"SignExtend/ZeroExtend used on floating-point texel type");
|
||
vtn_fail_if(extend_operands ==
|
||
(SpvImageOperandsSignExtendMask | SpvImageOperandsZeroExtendMask),
|
||
"SignExtend and ZeroExtend both specified");
|
||
|
||
if (operands & SpvImageOperandsSignExtendMask)
|
||
return nir_type_int | nir_alu_type_get_type_size(type);
|
||
if (operands & SpvImageOperandsZeroExtendMask)
|
||
return nir_type_uint | nir_alu_type_get_type_size(type);
|
||
|
||
return type;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
if (opcode == SpvOpSampledImage) {
|
||
struct vtn_sampled_image si = {
|
||
.image = vtn_get_image(b, w[3], NULL),
|
||
.sampler = vtn_get_sampler(b, w[4]),
|
||
};
|
||
|
||
enum gl_access_qualifier access = 0;
|
||
vtn_foreach_decoration(b, vtn_untyped_value(b, w[3]),
|
||
non_uniform_decoration_cb, &access);
|
||
vtn_foreach_decoration(b, vtn_untyped_value(b, w[4]),
|
||
non_uniform_decoration_cb, &access);
|
||
|
||
vtn_push_sampled_image(b, w[2], si, access & ACCESS_NON_UNIFORM);
|
||
return;
|
||
} else if (opcode == SpvOpImage) {
|
||
struct vtn_sampled_image si = vtn_get_sampled_image(b, w[3]);
|
||
|
||
enum gl_access_qualifier access = 0;
|
||
vtn_foreach_decoration(b, vtn_untyped_value(b, w[3]),
|
||
non_uniform_decoration_cb, &access);
|
||
|
||
vtn_push_image(b, w[2], si.image, access & ACCESS_NON_UNIFORM);
|
||
return;
|
||
} else if (opcode == SpvOpImageSparseTexelsResident) {
|
||
nir_ssa_def *code = vtn_get_nir_ssa(b, w[3]);
|
||
vtn_push_nir_ssa(b, w[2], nir_is_sparse_texels_resident(&b->nb, code));
|
||
return;
|
||
}
|
||
|
||
nir_deref_instr *image = NULL, *sampler = NULL;
|
||
struct vtn_value *sampled_val = vtn_untyped_value(b, w[3]);
|
||
if (sampled_val->type->base_type == vtn_base_type_sampled_image) {
|
||
struct vtn_sampled_image si = vtn_get_sampled_image(b, w[3]);
|
||
image = si.image;
|
||
sampler = si.sampler;
|
||
} else {
|
||
image = vtn_get_image(b, w[3], NULL);
|
||
}
|
||
|
||
const enum glsl_sampler_dim sampler_dim = glsl_get_sampler_dim(image->type);
|
||
const bool is_array = glsl_sampler_type_is_array(image->type);
|
||
nir_alu_type dest_type = nir_type_invalid;
|
||
|
||
/* Figure out the base texture operation */
|
||
nir_texop texop;
|
||
switch (opcode) {
|
||
case SpvOpImageSampleImplicitLod:
|
||
case SpvOpImageSparseSampleImplicitLod:
|
||
case SpvOpImageSampleDrefImplicitLod:
|
||
case SpvOpImageSparseSampleDrefImplicitLod:
|
||
case SpvOpImageSampleProjImplicitLod:
|
||
case SpvOpImageSampleProjDrefImplicitLod:
|
||
texop = nir_texop_tex;
|
||
break;
|
||
|
||
case SpvOpImageSampleExplicitLod:
|
||
case SpvOpImageSparseSampleExplicitLod:
|
||
case SpvOpImageSampleDrefExplicitLod:
|
||
case SpvOpImageSparseSampleDrefExplicitLod:
|
||
case SpvOpImageSampleProjExplicitLod:
|
||
case SpvOpImageSampleProjDrefExplicitLod:
|
||
texop = nir_texop_txl;
|
||
break;
|
||
|
||
case SpvOpImageFetch:
|
||
case SpvOpImageSparseFetch:
|
||
if (sampler_dim == GLSL_SAMPLER_DIM_MS) {
|
||
texop = nir_texop_txf_ms;
|
||
} else {
|
||
texop = nir_texop_txf;
|
||
}
|
||
break;
|
||
|
||
case SpvOpImageGather:
|
||
case SpvOpImageSparseGather:
|
||
case SpvOpImageDrefGather:
|
||
case SpvOpImageSparseDrefGather:
|
||
texop = nir_texop_tg4;
|
||
break;
|
||
|
||
case SpvOpImageQuerySizeLod:
|
||
case SpvOpImageQuerySize:
|
||
texop = nir_texop_txs;
|
||
dest_type = nir_type_int32;
|
||
break;
|
||
|
||
case SpvOpImageQueryLod:
|
||
texop = nir_texop_lod;
|
||
dest_type = nir_type_float32;
|
||
break;
|
||
|
||
case SpvOpImageQueryLevels:
|
||
texop = nir_texop_query_levels;
|
||
dest_type = nir_type_int32;
|
||
break;
|
||
|
||
case SpvOpImageQuerySamples:
|
||
texop = nir_texop_texture_samples;
|
||
dest_type = nir_type_int32;
|
||
break;
|
||
|
||
case SpvOpFragmentFetchAMD:
|
||
texop = nir_texop_fragment_fetch_amd;
|
||
break;
|
||
|
||
case SpvOpFragmentMaskFetchAMD:
|
||
texop = nir_texop_fragment_mask_fetch_amd;
|
||
dest_type = nir_type_uint32;
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
|
||
nir_tex_src srcs[10]; /* 10 should be enough */
|
||
nir_tex_src *p = srcs;
|
||
|
||
p->src = nir_src_for_ssa(&image->dest.ssa);
|
||
p->src_type = nir_tex_src_texture_deref;
|
||
p++;
|
||
|
||
switch (texop) {
|
||
case nir_texop_tex:
|
||
case nir_texop_txb:
|
||
case nir_texop_txl:
|
||
case nir_texop_txd:
|
||
case nir_texop_tg4:
|
||
case nir_texop_lod:
|
||
vtn_fail_if(sampler == NULL,
|
||
"%s requires an image of type OpTypeSampledImage",
|
||
spirv_op_to_string(opcode));
|
||
p->src = nir_src_for_ssa(&sampler->dest.ssa);
|
||
p->src_type = nir_tex_src_sampler_deref;
|
||
p++;
|
||
break;
|
||
case nir_texop_txf:
|
||
case nir_texop_txf_ms:
|
||
case nir_texop_txs:
|
||
case nir_texop_query_levels:
|
||
case nir_texop_texture_samples:
|
||
case nir_texop_samples_identical:
|
||
case nir_texop_fragment_fetch_amd:
|
||
case nir_texop_fragment_mask_fetch_amd:
|
||
/* These don't */
|
||
break;
|
||
case nir_texop_txf_ms_fb:
|
||
vtn_fail("unexpected nir_texop_txf_ms_fb");
|
||
break;
|
||
case nir_texop_txf_ms_mcs_intel:
|
||
vtn_fail("unexpected nir_texop_txf_ms_mcs");
|
||
case nir_texop_tex_prefetch:
|
||
vtn_fail("unexpected nir_texop_tex_prefetch");
|
||
}
|
||
|
||
unsigned idx = 4;
|
||
|
||
struct nir_ssa_def *coord;
|
||
unsigned coord_components;
|
||
switch (opcode) {
|
||
case SpvOpImageSampleImplicitLod:
|
||
case SpvOpImageSparseSampleImplicitLod:
|
||
case SpvOpImageSampleExplicitLod:
|
||
case SpvOpImageSparseSampleExplicitLod:
|
||
case SpvOpImageSampleDrefImplicitLod:
|
||
case SpvOpImageSparseSampleDrefImplicitLod:
|
||
case SpvOpImageSampleDrefExplicitLod:
|
||
case SpvOpImageSparseSampleDrefExplicitLod:
|
||
case SpvOpImageSampleProjImplicitLod:
|
||
case SpvOpImageSampleProjExplicitLod:
|
||
case SpvOpImageSampleProjDrefImplicitLod:
|
||
case SpvOpImageSampleProjDrefExplicitLod:
|
||
case SpvOpImageFetch:
|
||
case SpvOpImageSparseFetch:
|
||
case SpvOpImageGather:
|
||
case SpvOpImageSparseGather:
|
||
case SpvOpImageDrefGather:
|
||
case SpvOpImageSparseDrefGather:
|
||
case SpvOpImageQueryLod:
|
||
case SpvOpFragmentFetchAMD:
|
||
case SpvOpFragmentMaskFetchAMD: {
|
||
/* All these types have the coordinate as their first real argument */
|
||
coord_components = glsl_get_sampler_dim_coordinate_components(sampler_dim);
|
||
|
||
if (is_array && texop != nir_texop_lod)
|
||
coord_components++;
|
||
|
||
struct vtn_ssa_value *coord_val = vtn_ssa_value(b, w[idx++]);
|
||
coord = coord_val->def;
|
||
/* From the SPIR-V spec verxion 1.5, rev. 5:
|
||
*
|
||
* "Coordinate must be a scalar or vector of floating-point type. It
|
||
* contains (u[, v] ... [, array layer]) as needed by the definition
|
||
* of Sampled Image. It may be a vector larger than needed, but all
|
||
* unused components appear after all used components."
|
||
*/
|
||
vtn_fail_if(coord->num_components < coord_components,
|
||
"Coordinate value passed has fewer components than sampler dimensionality.");
|
||
p->src = nir_src_for_ssa(nir_trim_vector(&b->nb, coord, coord_components));
|
||
|
||
/* OpenCL allows integer sampling coordinates */
|
||
if (glsl_type_is_integer(coord_val->type) &&
|
||
opcode == SpvOpImageSampleExplicitLod) {
|
||
vtn_fail_if(b->shader->info.stage != MESA_SHADER_KERNEL,
|
||
"Unless the Kernel capability is being used, the coordinate parameter "
|
||
"OpImageSampleExplicitLod must be floating point.");
|
||
|
||
nir_ssa_def *coords[4];
|
||
nir_ssa_def *f0_5 = nir_imm_float(&b->nb, 0.5);
|
||
for (unsigned i = 0; i < coord_components; i++) {
|
||
coords[i] = nir_i2f32(&b->nb, nir_channel(&b->nb, p->src.ssa, i));
|
||
|
||
if (!is_array || i != coord_components - 1)
|
||
coords[i] = nir_fadd(&b->nb, coords[i], f0_5);
|
||
}
|
||
|
||
p->src = nir_src_for_ssa(nir_vec(&b->nb, coords, coord_components));
|
||
}
|
||
|
||
p->src_type = nir_tex_src_coord;
|
||
p++;
|
||
break;
|
||
}
|
||
|
||
default:
|
||
coord = NULL;
|
||
coord_components = 0;
|
||
break;
|
||
}
|
||
|
||
switch (opcode) {
|
||
case SpvOpImageSampleProjImplicitLod:
|
||
case SpvOpImageSampleProjExplicitLod:
|
||
case SpvOpImageSampleProjDrefImplicitLod:
|
||
case SpvOpImageSampleProjDrefExplicitLod:
|
||
/* These have the projector as the last coordinate component */
|
||
p->src = nir_src_for_ssa(nir_channel(&b->nb, coord, coord_components));
|
||
p->src_type = nir_tex_src_projector;
|
||
p++;
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
bool is_shadow = false;
|
||
unsigned gather_component = 0;
|
||
switch (opcode) {
|
||
case SpvOpImageSampleDrefImplicitLod:
|
||
case SpvOpImageSparseSampleDrefImplicitLod:
|
||
case SpvOpImageSampleDrefExplicitLod:
|
||
case SpvOpImageSparseSampleDrefExplicitLod:
|
||
case SpvOpImageSampleProjDrefImplicitLod:
|
||
case SpvOpImageSampleProjDrefExplicitLod:
|
||
case SpvOpImageDrefGather:
|
||
case SpvOpImageSparseDrefGather:
|
||
/* These all have an explicit depth value as their next source */
|
||
is_shadow = true;
|
||
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_comparator);
|
||
break;
|
||
|
||
case SpvOpImageGather:
|
||
case SpvOpImageSparseGather:
|
||
/* This has a component as its next source */
|
||
gather_component = vtn_constant_uint(b, w[idx++]);
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
bool is_sparse = false;
|
||
switch (opcode) {
|
||
case SpvOpImageSparseSampleImplicitLod:
|
||
case SpvOpImageSparseSampleExplicitLod:
|
||
case SpvOpImageSparseSampleDrefImplicitLod:
|
||
case SpvOpImageSparseSampleDrefExplicitLod:
|
||
case SpvOpImageSparseFetch:
|
||
case SpvOpImageSparseGather:
|
||
case SpvOpImageSparseDrefGather:
|
||
is_sparse = true;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
/* For OpImageQuerySizeLod, we always have an LOD */
|
||
if (opcode == SpvOpImageQuerySizeLod)
|
||
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_lod);
|
||
|
||
/* For OpFragmentFetchAMD, we always have a multisample index */
|
||
if (opcode == SpvOpFragmentFetchAMD)
|
||
(*p++) = vtn_tex_src(b, w[idx++], nir_tex_src_ms_index);
|
||
|
||
/* Now we need to handle some number of optional arguments */
|
||
struct vtn_value *gather_offsets = NULL;
|
||
uint32_t operands = SpvImageOperandsMaskNone;
|
||
if (idx < count) {
|
||
operands = w[idx];
|
||
|
||
if (operands & SpvImageOperandsBiasMask) {
|
||
vtn_assert(texop == nir_texop_tex ||
|
||
texop == nir_texop_tg4);
|
||
if (texop == nir_texop_tex)
|
||
texop = nir_texop_txb;
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsBiasMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_bias);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsLodMask) {
|
||
vtn_assert(texop == nir_texop_txl || texop == nir_texop_txf ||
|
||
texop == nir_texop_txs || texop == nir_texop_tg4);
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsLodMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_lod);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsGradMask) {
|
||
vtn_assert(texop == nir_texop_txl);
|
||
texop = nir_texop_txd;
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsGradMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_ddx);
|
||
(*p++) = vtn_tex_src(b, w[arg + 1], nir_tex_src_ddy);
|
||
}
|
||
|
||
vtn_fail_if(util_bitcount(operands & (SpvImageOperandsConstOffsetsMask |
|
||
SpvImageOperandsOffsetMask |
|
||
SpvImageOperandsConstOffsetMask)) > 1,
|
||
"At most one of the ConstOffset, Offset, and ConstOffsets "
|
||
"image operands can be used on a given instruction.");
|
||
|
||
if (operands & SpvImageOperandsOffsetMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsOffsetMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_offset);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsConstOffsetMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsConstOffsetMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_offset);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsConstOffsetsMask) {
|
||
vtn_assert(texop == nir_texop_tg4);
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsConstOffsetsMask);
|
||
gather_offsets = vtn_value(b, w[arg], vtn_value_type_constant);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsSampleMask) {
|
||
vtn_assert(texop == nir_texop_txf_ms);
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsSampleMask);
|
||
texop = nir_texop_txf_ms;
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_ms_index);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsMinLodMask) {
|
||
vtn_assert(texop == nir_texop_tex ||
|
||
texop == nir_texop_txb ||
|
||
texop == nir_texop_txd);
|
||
uint32_t arg = image_operand_arg(b, w, count, idx,
|
||
SpvImageOperandsMinLodMask);
|
||
(*p++) = vtn_tex_src(b, w[arg], nir_tex_src_min_lod);
|
||
}
|
||
}
|
||
|
||
struct vtn_type *ret_type = vtn_get_type(b, w[1]);
|
||
struct vtn_type *struct_type = NULL;
|
||
if (is_sparse) {
|
||
vtn_assert(glsl_type_is_struct_or_ifc(ret_type->type));
|
||
struct_type = ret_type;
|
||
ret_type = struct_type->members[1];
|
||
}
|
||
|
||
nir_tex_instr *instr = nir_tex_instr_create(b->shader, p - srcs);
|
||
instr->op = texop;
|
||
|
||
memcpy(instr->src, srcs, instr->num_srcs * sizeof(*instr->src));
|
||
|
||
instr->coord_components = coord_components;
|
||
instr->sampler_dim = sampler_dim;
|
||
instr->is_array = is_array;
|
||
instr->is_shadow = is_shadow;
|
||
instr->is_sparse = is_sparse;
|
||
instr->is_new_style_shadow =
|
||
is_shadow && glsl_get_components(ret_type->type) == 1;
|
||
instr->component = gather_component;
|
||
|
||
/* The Vulkan spec says:
|
||
*
|
||
* "If an instruction loads from or stores to a resource (including
|
||
* atomics and image instructions) and the resource descriptor being
|
||
* accessed is not dynamically uniform, then the operand corresponding
|
||
* to that resource (e.g. the pointer or sampled image operand) must be
|
||
* decorated with NonUniform."
|
||
*
|
||
* It's very careful to specify that the exact operand must be decorated
|
||
* NonUniform. The SPIR-V parser is not expected to chase through long
|
||
* chains to find the NonUniform decoration. It's either right there or we
|
||
* can assume it doesn't exist.
|
||
*/
|
||
enum gl_access_qualifier access = 0;
|
||
vtn_foreach_decoration(b, sampled_val, non_uniform_decoration_cb, &access);
|
||
|
||
if (operands & SpvImageOperandsNontemporalMask)
|
||
access |= ACCESS_STREAM_CACHE_POLICY;
|
||
|
||
if (sampled_val->propagated_non_uniform)
|
||
access |= ACCESS_NON_UNIFORM;
|
||
|
||
if (image && (access & ACCESS_NON_UNIFORM))
|
||
instr->texture_non_uniform = true;
|
||
|
||
if (sampler && (access & ACCESS_NON_UNIFORM))
|
||
instr->sampler_non_uniform = true;
|
||
|
||
/* for non-query ops, get dest_type from SPIR-V return type */
|
||
if (dest_type == nir_type_invalid) {
|
||
/* the return type should match the image type, unless the image type is
|
||
* VOID (CL image), in which case the return type dictates the sampler
|
||
*/
|
||
enum glsl_base_type sampler_base =
|
||
glsl_get_sampler_result_type(image->type);
|
||
enum glsl_base_type ret_base = glsl_get_base_type(ret_type->type);
|
||
vtn_fail_if(sampler_base != ret_base && sampler_base != GLSL_TYPE_VOID,
|
||
"SPIR-V return type mismatches image type. This is only valid "
|
||
"for untyped images (OpenCL).");
|
||
dest_type = nir_get_nir_type_for_glsl_base_type(ret_base);
|
||
dest_type = get_image_type(b, dest_type, operands);
|
||
}
|
||
|
||
instr->dest_type = dest_type;
|
||
|
||
nir_ssa_dest_init(&instr->instr, &instr->dest,
|
||
nir_tex_instr_dest_size(instr), 32, NULL);
|
||
|
||
vtn_assert(glsl_get_vector_elements(ret_type->type) ==
|
||
nir_tex_instr_result_size(instr));
|
||
|
||
if (gather_offsets) {
|
||
vtn_fail_if(gather_offsets->type->base_type != vtn_base_type_array ||
|
||
gather_offsets->type->length != 4,
|
||
"ConstOffsets must be an array of size four of vectors "
|
||
"of two integer components");
|
||
|
||
struct vtn_type *vec_type = gather_offsets->type->array_element;
|
||
vtn_fail_if(vec_type->base_type != vtn_base_type_vector ||
|
||
vec_type->length != 2 ||
|
||
!glsl_type_is_integer(vec_type->type),
|
||
"ConstOffsets must be an array of size four of vectors "
|
||
"of two integer components");
|
||
|
||
unsigned bit_size = glsl_get_bit_size(vec_type->type);
|
||
for (uint32_t i = 0; i < 4; i++) {
|
||
const nir_const_value *cvec =
|
||
gather_offsets->constant->elements[i]->values;
|
||
for (uint32_t j = 0; j < 2; j++) {
|
||
switch (bit_size) {
|
||
case 8: instr->tg4_offsets[i][j] = cvec[j].i8; break;
|
||
case 16: instr->tg4_offsets[i][j] = cvec[j].i16; break;
|
||
case 32: instr->tg4_offsets[i][j] = cvec[j].i32; break;
|
||
case 64: instr->tg4_offsets[i][j] = cvec[j].i64; break;
|
||
default:
|
||
vtn_fail("Unsupported bit size: %u", bit_size);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
nir_builder_instr_insert(&b->nb, &instr->instr);
|
||
|
||
if (is_sparse) {
|
||
struct vtn_ssa_value *dest = vtn_create_ssa_value(b, struct_type->type);
|
||
unsigned result_size = glsl_get_vector_elements(ret_type->type);
|
||
dest->elems[0]->def = nir_channel(&b->nb, &instr->dest.ssa, result_size);
|
||
dest->elems[1]->def = nir_trim_vector(&b->nb, &instr->dest.ssa,
|
||
result_size);
|
||
vtn_push_ssa_value(b, w[2], dest);
|
||
} else {
|
||
vtn_push_nir_ssa(b, w[2], &instr->dest.ssa);
|
||
}
|
||
}
|
||
|
||
static void
|
||
fill_common_atomic_sources(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, nir_src *src)
|
||
{
|
||
const struct glsl_type *type = vtn_get_type(b, w[1])->type;
|
||
unsigned bit_size = glsl_get_bit_size(type);
|
||
|
||
switch (opcode) {
|
||
case SpvOpAtomicIIncrement:
|
||
src[0] = nir_src_for_ssa(nir_imm_intN_t(&b->nb, 1, bit_size));
|
||
break;
|
||
|
||
case SpvOpAtomicIDecrement:
|
||
src[0] = nir_src_for_ssa(nir_imm_intN_t(&b->nb, -1, bit_size));
|
||
break;
|
||
|
||
case SpvOpAtomicISub:
|
||
src[0] =
|
||
nir_src_for_ssa(nir_ineg(&b->nb, vtn_get_nir_ssa(b, w[6])));
|
||
break;
|
||
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
src[0] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[8]));
|
||
src[1] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[7]));
|
||
break;
|
||
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
src[0] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[6]));
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode);
|
||
}
|
||
}
|
||
|
||
static nir_ssa_def *
|
||
get_image_coord(struct vtn_builder *b, uint32_t value)
|
||
{
|
||
nir_ssa_def *coord = vtn_get_nir_ssa(b, value);
|
||
/* The image_load_store intrinsics assume a 4-dim coordinate */
|
||
return nir_pad_vec4(&b->nb, coord);
|
||
}
|
||
|
||
static void
|
||
vtn_handle_image(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
/* Just get this one out of the way */
|
||
if (opcode == SpvOpImageTexelPointer) {
|
||
struct vtn_value *val =
|
||
vtn_push_value(b, w[2], vtn_value_type_image_pointer);
|
||
val->image = ralloc(b, struct vtn_image_pointer);
|
||
|
||
val->image->image = vtn_nir_deref(b, w[3]);
|
||
val->image->coord = get_image_coord(b, w[4]);
|
||
val->image->sample = vtn_get_nir_ssa(b, w[5]);
|
||
val->image->lod = nir_imm_int(&b->nb, 0);
|
||
return;
|
||
}
|
||
|
||
struct vtn_image_pointer image;
|
||
SpvScope scope = SpvScopeInvocation;
|
||
SpvMemorySemanticsMask semantics = 0;
|
||
SpvImageOperandsMask operands = SpvImageOperandsMaskNone;
|
||
|
||
enum gl_access_qualifier access = 0;
|
||
|
||
struct vtn_value *res_val;
|
||
switch (opcode) {
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicLoad:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
res_val = vtn_value(b, w[3], vtn_value_type_image_pointer);
|
||
image = *res_val->image;
|
||
scope = vtn_constant_uint(b, w[4]);
|
||
semantics = vtn_constant_uint(b, w[5]);
|
||
access |= ACCESS_COHERENT;
|
||
break;
|
||
|
||
case SpvOpAtomicStore:
|
||
res_val = vtn_value(b, w[1], vtn_value_type_image_pointer);
|
||
image = *res_val->image;
|
||
scope = vtn_constant_uint(b, w[2]);
|
||
semantics = vtn_constant_uint(b, w[3]);
|
||
access |= ACCESS_COHERENT;
|
||
break;
|
||
|
||
case SpvOpImageQuerySizeLod:
|
||
res_val = vtn_untyped_value(b, w[3]);
|
||
image.image = vtn_get_image(b, w[3], &access);
|
||
image.coord = NULL;
|
||
image.sample = NULL;
|
||
image.lod = vtn_ssa_value(b, w[4])->def;
|
||
break;
|
||
|
||
case SpvOpImageQuerySize:
|
||
case SpvOpImageQuerySamples:
|
||
res_val = vtn_untyped_value(b, w[3]);
|
||
image.image = vtn_get_image(b, w[3], &access);
|
||
image.coord = NULL;
|
||
image.sample = NULL;
|
||
image.lod = NULL;
|
||
break;
|
||
|
||
case SpvOpImageQueryFormat:
|
||
case SpvOpImageQueryOrder:
|
||
res_val = vtn_untyped_value(b, w[3]);
|
||
image.image = vtn_get_image(b, w[3], &access);
|
||
image.coord = NULL;
|
||
image.sample = NULL;
|
||
image.lod = NULL;
|
||
break;
|
||
|
||
case SpvOpImageRead:
|
||
case SpvOpImageSparseRead: {
|
||
res_val = vtn_untyped_value(b, w[3]);
|
||
image.image = vtn_get_image(b, w[3], &access);
|
||
image.coord = get_image_coord(b, w[4]);
|
||
|
||
operands = count > 5 ? w[5] : SpvImageOperandsMaskNone;
|
||
|
||
if (operands & SpvImageOperandsSampleMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, 5,
|
||
SpvImageOperandsSampleMask);
|
||
image.sample = vtn_get_nir_ssa(b, w[arg]);
|
||
} else {
|
||
image.sample = nir_ssa_undef(&b->nb, 1, 32);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsMakeTexelVisibleMask) {
|
||
vtn_fail_if((operands & SpvImageOperandsNonPrivateTexelMask) == 0,
|
||
"MakeTexelVisible requires NonPrivateTexel to also be set.");
|
||
uint32_t arg = image_operand_arg(b, w, count, 5,
|
||
SpvImageOperandsMakeTexelVisibleMask);
|
||
semantics = SpvMemorySemanticsMakeVisibleMask;
|
||
scope = vtn_constant_uint(b, w[arg]);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsLodMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, 5,
|
||
SpvImageOperandsLodMask);
|
||
image.lod = vtn_get_nir_ssa(b, w[arg]);
|
||
} else {
|
||
image.lod = nir_imm_int(&b->nb, 0);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsVolatileTexelMask)
|
||
access |= ACCESS_VOLATILE;
|
||
if (operands & SpvImageOperandsNontemporalMask)
|
||
access |= ACCESS_STREAM_CACHE_POLICY;
|
||
|
||
break;
|
||
}
|
||
|
||
case SpvOpImageWrite: {
|
||
res_val = vtn_untyped_value(b, w[1]);
|
||
image.image = vtn_get_image(b, w[1], &access);
|
||
image.coord = get_image_coord(b, w[2]);
|
||
|
||
/* texel = w[3] */
|
||
|
||
operands = count > 4 ? w[4] : SpvImageOperandsMaskNone;
|
||
|
||
if (operands & SpvImageOperandsSampleMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, 4,
|
||
SpvImageOperandsSampleMask);
|
||
image.sample = vtn_get_nir_ssa(b, w[arg]);
|
||
} else {
|
||
image.sample = nir_ssa_undef(&b->nb, 1, 32);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsMakeTexelAvailableMask) {
|
||
vtn_fail_if((operands & SpvImageOperandsNonPrivateTexelMask) == 0,
|
||
"MakeTexelAvailable requires NonPrivateTexel to also be set.");
|
||
uint32_t arg = image_operand_arg(b, w, count, 4,
|
||
SpvImageOperandsMakeTexelAvailableMask);
|
||
semantics = SpvMemorySemanticsMakeAvailableMask;
|
||
scope = vtn_constant_uint(b, w[arg]);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsLodMask) {
|
||
uint32_t arg = image_operand_arg(b, w, count, 4,
|
||
SpvImageOperandsLodMask);
|
||
image.lod = vtn_get_nir_ssa(b, w[arg]);
|
||
} else {
|
||
image.lod = nir_imm_int(&b->nb, 0);
|
||
}
|
||
|
||
if (operands & SpvImageOperandsVolatileTexelMask)
|
||
access |= ACCESS_VOLATILE;
|
||
if (operands & SpvImageOperandsNontemporalMask)
|
||
access |= ACCESS_STREAM_CACHE_POLICY;
|
||
|
||
break;
|
||
}
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Invalid image opcode", opcode);
|
||
}
|
||
|
||
if (semantics & SpvMemorySemanticsVolatileMask)
|
||
access |= ACCESS_VOLATILE;
|
||
|
||
nir_intrinsic_op op;
|
||
switch (opcode) {
|
||
#define OP(S, N) case SpvOp##S: op = nir_intrinsic_image_deref_##N; break;
|
||
OP(ImageQuerySize, size)
|
||
OP(ImageQuerySizeLod, size)
|
||
OP(ImageRead, load)
|
||
OP(ImageSparseRead, sparse_load)
|
||
OP(ImageWrite, store)
|
||
OP(AtomicLoad, load)
|
||
OP(AtomicStore, store)
|
||
OP(AtomicExchange, atomic_exchange)
|
||
OP(AtomicCompareExchange, atomic_comp_swap)
|
||
OP(AtomicCompareExchangeWeak, atomic_comp_swap)
|
||
OP(AtomicIIncrement, atomic_add)
|
||
OP(AtomicIDecrement, atomic_add)
|
||
OP(AtomicIAdd, atomic_add)
|
||
OP(AtomicISub, atomic_add)
|
||
OP(AtomicSMin, atomic_imin)
|
||
OP(AtomicUMin, atomic_umin)
|
||
OP(AtomicSMax, atomic_imax)
|
||
OP(AtomicUMax, atomic_umax)
|
||
OP(AtomicAnd, atomic_and)
|
||
OP(AtomicOr, atomic_or)
|
||
OP(AtomicXor, atomic_xor)
|
||
OP(AtomicFAddEXT, atomic_fadd)
|
||
OP(AtomicFMinEXT, atomic_fmin)
|
||
OP(AtomicFMaxEXT, atomic_fmax)
|
||
OP(ImageQueryFormat, format)
|
||
OP(ImageQueryOrder, order)
|
||
OP(ImageQuerySamples, samples)
|
||
#undef OP
|
||
default:
|
||
vtn_fail_with_opcode("Invalid image opcode", opcode);
|
||
}
|
||
|
||
nir_intrinsic_instr *intrin = nir_intrinsic_instr_create(b->shader, op);
|
||
|
||
intrin->src[0] = nir_src_for_ssa(&image.image->dest.ssa);
|
||
nir_intrinsic_set_image_dim(intrin, glsl_get_sampler_dim(image.image->type));
|
||
nir_intrinsic_set_image_array(intrin,
|
||
glsl_sampler_type_is_array(image.image->type));
|
||
|
||
switch (opcode) {
|
||
case SpvOpImageQuerySamples:
|
||
case SpvOpImageQuerySize:
|
||
case SpvOpImageQuerySizeLod:
|
||
case SpvOpImageQueryFormat:
|
||
case SpvOpImageQueryOrder:
|
||
break;
|
||
default:
|
||
/* The image coordinate is always 4 components but we may not have that
|
||
* many. Swizzle to compensate.
|
||
*/
|
||
intrin->src[1] = nir_src_for_ssa(nir_pad_vec4(&b->nb, image.coord));
|
||
intrin->src[2] = nir_src_for_ssa(image.sample);
|
||
break;
|
||
}
|
||
|
||
/* The Vulkan spec says:
|
||
*
|
||
* "If an instruction loads from or stores to a resource (including
|
||
* atomics and image instructions) and the resource descriptor being
|
||
* accessed is not dynamically uniform, then the operand corresponding
|
||
* to that resource (e.g. the pointer or sampled image operand) must be
|
||
* decorated with NonUniform."
|
||
*
|
||
* It's very careful to specify that the exact operand must be decorated
|
||
* NonUniform. The SPIR-V parser is not expected to chase through long
|
||
* chains to find the NonUniform decoration. It's either right there or we
|
||
* can assume it doesn't exist.
|
||
*/
|
||
vtn_foreach_decoration(b, res_val, non_uniform_decoration_cb, &access);
|
||
nir_intrinsic_set_access(intrin, access);
|
||
|
||
switch (opcode) {
|
||
case SpvOpImageQuerySamples:
|
||
case SpvOpImageQueryFormat:
|
||
case SpvOpImageQueryOrder:
|
||
/* No additional sources */
|
||
break;
|
||
case SpvOpImageQuerySize:
|
||
intrin->src[1] = nir_src_for_ssa(nir_imm_int(&b->nb, 0));
|
||
break;
|
||
case SpvOpImageQuerySizeLod:
|
||
intrin->src[1] = nir_src_for_ssa(image.lod);
|
||
break;
|
||
case SpvOpAtomicLoad:
|
||
case SpvOpImageRead:
|
||
case SpvOpImageSparseRead:
|
||
/* Only OpImageRead can support a lod parameter if
|
||
* SPV_AMD_shader_image_load_store_lod is used but the current NIR
|
||
* intrinsics definition for atomics requires us to set it for
|
||
* OpAtomicLoad.
|
||
*/
|
||
intrin->src[3] = nir_src_for_ssa(image.lod);
|
||
break;
|
||
case SpvOpAtomicStore:
|
||
case SpvOpImageWrite: {
|
||
const uint32_t value_id = opcode == SpvOpAtomicStore ? w[4] : w[3];
|
||
struct vtn_ssa_value *value = vtn_ssa_value(b, value_id);
|
||
/* nir_intrinsic_image_deref_store always takes a vec4 value */
|
||
assert(op == nir_intrinsic_image_deref_store);
|
||
intrin->num_components = 4;
|
||
intrin->src[3] = nir_src_for_ssa(nir_pad_vec4(&b->nb, value->def));
|
||
/* Only OpImageWrite can support a lod parameter if
|
||
* SPV_AMD_shader_image_load_store_lod is used but the current NIR
|
||
* intrinsics definition for atomics requires us to set it for
|
||
* OpAtomicStore.
|
||
*/
|
||
intrin->src[4] = nir_src_for_ssa(image.lod);
|
||
|
||
nir_alu_type src_type =
|
||
get_image_type(b, nir_get_nir_type_for_glsl_type(value->type), operands);
|
||
nir_intrinsic_set_src_type(intrin, src_type);
|
||
break;
|
||
}
|
||
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
fill_common_atomic_sources(b, opcode, w, &intrin->src[3]);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Invalid image opcode", opcode);
|
||
}
|
||
|
||
/* Image operations implicitly have the Image storage memory semantics. */
|
||
semantics |= SpvMemorySemanticsImageMemoryMask;
|
||
|
||
SpvMemorySemanticsMask before_semantics;
|
||
SpvMemorySemanticsMask after_semantics;
|
||
vtn_split_barrier_semantics(b, semantics, &before_semantics, &after_semantics);
|
||
|
||
if (before_semantics)
|
||
vtn_emit_memory_barrier(b, scope, before_semantics);
|
||
|
||
if (opcode != SpvOpImageWrite && opcode != SpvOpAtomicStore) {
|
||
struct vtn_type *type = vtn_get_type(b, w[1]);
|
||
struct vtn_type *struct_type = NULL;
|
||
if (opcode == SpvOpImageSparseRead) {
|
||
vtn_assert(glsl_type_is_struct_or_ifc(type->type));
|
||
struct_type = type;
|
||
type = struct_type->members[1];
|
||
}
|
||
|
||
unsigned dest_components = glsl_get_vector_elements(type->type);
|
||
if (opcode == SpvOpImageSparseRead)
|
||
dest_components++;
|
||
|
||
if (nir_intrinsic_infos[op].dest_components == 0)
|
||
intrin->num_components = dest_components;
|
||
|
||
unsigned bit_size = glsl_get_bit_size(type->type);
|
||
if (opcode == SpvOpImageQuerySize ||
|
||
opcode == SpvOpImageQuerySizeLod)
|
||
bit_size = MIN2(bit_size, 32);
|
||
|
||
nir_ssa_dest_init(&intrin->instr, &intrin->dest,
|
||
nir_intrinsic_dest_components(intrin),
|
||
bit_size, NULL);
|
||
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
|
||
nir_ssa_def *result = nir_trim_vector(&b->nb, &intrin->dest.ssa,
|
||
dest_components);
|
||
|
||
if (opcode == SpvOpImageQuerySize ||
|
||
opcode == SpvOpImageQuerySizeLod)
|
||
result = nir_u2u(&b->nb, result, glsl_get_bit_size(type->type));
|
||
|
||
if (opcode == SpvOpImageSparseRead) {
|
||
struct vtn_ssa_value *dest = vtn_create_ssa_value(b, struct_type->type);
|
||
unsigned res_type_size = glsl_get_vector_elements(type->type);
|
||
dest->elems[0]->def = nir_channel(&b->nb, result, res_type_size);
|
||
if (intrin->dest.ssa.bit_size != 32)
|
||
dest->elems[0]->def = nir_u2u32(&b->nb, dest->elems[0]->def);
|
||
dest->elems[1]->def = nir_trim_vector(&b->nb, result, res_type_size);
|
||
vtn_push_ssa_value(b, w[2], dest);
|
||
} else {
|
||
vtn_push_nir_ssa(b, w[2], result);
|
||
}
|
||
|
||
if (opcode == SpvOpImageRead || opcode == SpvOpImageSparseRead ||
|
||
opcode == SpvOpAtomicLoad) {
|
||
nir_alu_type dest_type =
|
||
get_image_type(b, nir_get_nir_type_for_glsl_type(type->type), operands);
|
||
nir_intrinsic_set_dest_type(intrin, dest_type);
|
||
}
|
||
} else {
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
}
|
||
|
||
if (after_semantics)
|
||
vtn_emit_memory_barrier(b, scope, after_semantics);
|
||
}
|
||
|
||
static nir_intrinsic_op
|
||
get_uniform_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
|
||
{
|
||
switch (opcode) {
|
||
#define OP(S, N) case SpvOp##S: return nir_intrinsic_atomic_counter_ ##N;
|
||
OP(AtomicLoad, read_deref)
|
||
OP(AtomicExchange, exchange)
|
||
OP(AtomicCompareExchange, comp_swap)
|
||
OP(AtomicCompareExchangeWeak, comp_swap)
|
||
OP(AtomicIIncrement, inc_deref)
|
||
OP(AtomicIDecrement, post_dec_deref)
|
||
OP(AtomicIAdd, add_deref)
|
||
OP(AtomicISub, add_deref)
|
||
OP(AtomicUMin, min_deref)
|
||
OP(AtomicUMax, max_deref)
|
||
OP(AtomicAnd, and_deref)
|
||
OP(AtomicOr, or_deref)
|
||
OP(AtomicXor, xor_deref)
|
||
#undef OP
|
||
default:
|
||
/* We left the following out: AtomicStore, AtomicSMin and
|
||
* AtomicSmax. Right now there are not nir intrinsics for them. At this
|
||
* moment Atomic Counter support is needed for ARB_spirv support, so is
|
||
* only need to support GLSL Atomic Counters that are uints and don't
|
||
* allow direct storage.
|
||
*/
|
||
vtn_fail("Invalid uniform atomic");
|
||
}
|
||
}
|
||
|
||
static nir_intrinsic_op
|
||
get_deref_nir_atomic_op(struct vtn_builder *b, SpvOp opcode)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpAtomicLoad: return nir_intrinsic_load_deref;
|
||
case SpvOpAtomicFlagClear:
|
||
case SpvOpAtomicStore: return nir_intrinsic_store_deref;
|
||
#define OP(S, N) case SpvOp##S: return nir_intrinsic_deref_##N;
|
||
OP(AtomicExchange, atomic_exchange)
|
||
OP(AtomicCompareExchange, atomic_comp_swap)
|
||
OP(AtomicCompareExchangeWeak, atomic_comp_swap)
|
||
OP(AtomicIIncrement, atomic_add)
|
||
OP(AtomicIDecrement, atomic_add)
|
||
OP(AtomicIAdd, atomic_add)
|
||
OP(AtomicISub, atomic_add)
|
||
OP(AtomicSMin, atomic_imin)
|
||
OP(AtomicUMin, atomic_umin)
|
||
OP(AtomicSMax, atomic_imax)
|
||
OP(AtomicUMax, atomic_umax)
|
||
OP(AtomicAnd, atomic_and)
|
||
OP(AtomicOr, atomic_or)
|
||
OP(AtomicXor, atomic_xor)
|
||
OP(AtomicFAddEXT, atomic_fadd)
|
||
OP(AtomicFMinEXT, atomic_fmin)
|
||
OP(AtomicFMaxEXT, atomic_fmax)
|
||
OP(AtomicFlagTestAndSet, atomic_comp_swap)
|
||
#undef OP
|
||
default:
|
||
vtn_fail_with_opcode("Invalid shared atomic", opcode);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Handles shared atomics, ssbo atomics and atomic counters.
|
||
*/
|
||
static void
|
||
vtn_handle_atomics(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, UNUSED unsigned count)
|
||
{
|
||
struct vtn_pointer *ptr;
|
||
nir_intrinsic_instr *atomic;
|
||
|
||
SpvScope scope = SpvScopeInvocation;
|
||
SpvMemorySemanticsMask semantics = 0;
|
||
enum gl_access_qualifier access = 0;
|
||
|
||
switch (opcode) {
|
||
case SpvOpAtomicLoad:
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
case SpvOpAtomicFlagTestAndSet:
|
||
ptr = vtn_pointer(b, w[3]);
|
||
scope = vtn_constant_uint(b, w[4]);
|
||
semantics = vtn_constant_uint(b, w[5]);
|
||
break;
|
||
case SpvOpAtomicFlagClear:
|
||
case SpvOpAtomicStore:
|
||
ptr = vtn_pointer(b, w[1]);
|
||
scope = vtn_constant_uint(b, w[2]);
|
||
semantics = vtn_constant_uint(b, w[3]);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode);
|
||
}
|
||
|
||
if (semantics & SpvMemorySemanticsVolatileMask)
|
||
access |= ACCESS_VOLATILE;
|
||
|
||
/* uniform as "atomic counter uniform" */
|
||
if (ptr->mode == vtn_variable_mode_atomic_counter) {
|
||
nir_deref_instr *deref = vtn_pointer_to_deref(b, ptr);
|
||
nir_intrinsic_op op = get_uniform_nir_atomic_op(b, opcode);
|
||
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
|
||
atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
|
||
|
||
/* SSBO needs to initialize index/offset. In this case we don't need to,
|
||
* as that info is already stored on the ptr->var->var nir_variable (see
|
||
* vtn_create_variable)
|
||
*/
|
||
|
||
switch (opcode) {
|
||
case SpvOpAtomicLoad:
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
/* Nothing: we don't need to call fill_common_atomic_sources here, as
|
||
* atomic counter uniforms doesn't have sources
|
||
*/
|
||
break;
|
||
|
||
default:
|
||
unreachable("Invalid SPIR-V atomic");
|
||
|
||
}
|
||
} else {
|
||
nir_deref_instr *deref = vtn_pointer_to_deref(b, ptr);
|
||
const struct glsl_type *deref_type = deref->type;
|
||
nir_intrinsic_op op = get_deref_nir_atomic_op(b, opcode);
|
||
atomic = nir_intrinsic_instr_create(b->nb.shader, op);
|
||
atomic->src[0] = nir_src_for_ssa(&deref->dest.ssa);
|
||
|
||
if (ptr->mode != vtn_variable_mode_workgroup)
|
||
access |= ACCESS_COHERENT;
|
||
|
||
nir_intrinsic_set_access(atomic, access);
|
||
|
||
switch (opcode) {
|
||
case SpvOpAtomicLoad:
|
||
atomic->num_components = glsl_get_vector_elements(deref_type);
|
||
break;
|
||
|
||
case SpvOpAtomicStore:
|
||
atomic->num_components = glsl_get_vector_elements(deref_type);
|
||
nir_intrinsic_set_write_mask(atomic, (1 << atomic->num_components) - 1);
|
||
atomic->src[1] = nir_src_for_ssa(vtn_get_nir_ssa(b, w[4]));
|
||
break;
|
||
|
||
case SpvOpAtomicFlagClear:
|
||
atomic->num_components = 1;
|
||
nir_intrinsic_set_write_mask(atomic, 1);
|
||
atomic->src[1] = nir_src_for_ssa(nir_imm_intN_t(&b->nb, 0, 32));
|
||
break;
|
||
case SpvOpAtomicFlagTestAndSet:
|
||
atomic->src[1] = nir_src_for_ssa(nir_imm_intN_t(&b->nb, 0, 32));
|
||
atomic->src[2] = nir_src_for_ssa(nir_imm_intN_t(&b->nb, -1, 32));
|
||
break;
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
fill_common_atomic_sources(b, opcode, w, &atomic->src[1]);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Invalid SPIR-V atomic", opcode);
|
||
}
|
||
}
|
||
|
||
/* Atomic ordering operations will implicitly apply to the atomic operation
|
||
* storage class, so include that too.
|
||
*/
|
||
semantics |= vtn_mode_to_memory_semantics(ptr->mode);
|
||
|
||
SpvMemorySemanticsMask before_semantics;
|
||
SpvMemorySemanticsMask after_semantics;
|
||
vtn_split_barrier_semantics(b, semantics, &before_semantics, &after_semantics);
|
||
|
||
if (before_semantics)
|
||
vtn_emit_memory_barrier(b, scope, before_semantics);
|
||
|
||
if (opcode != SpvOpAtomicStore && opcode != SpvOpAtomicFlagClear) {
|
||
struct vtn_type *type = vtn_get_type(b, w[1]);
|
||
|
||
if (opcode == SpvOpAtomicFlagTestAndSet) {
|
||
/* map atomic flag to a 32-bit atomic integer. */
|
||
nir_ssa_dest_init(&atomic->instr, &atomic->dest,
|
||
1, 32, NULL);
|
||
} else {
|
||
nir_ssa_dest_init(&atomic->instr, &atomic->dest,
|
||
glsl_get_vector_elements(type->type),
|
||
glsl_get_bit_size(type->type), NULL);
|
||
|
||
vtn_push_nir_ssa(b, w[2], &atomic->dest.ssa);
|
||
}
|
||
}
|
||
|
||
nir_builder_instr_insert(&b->nb, &atomic->instr);
|
||
|
||
if (opcode == SpvOpAtomicFlagTestAndSet) {
|
||
vtn_push_nir_ssa(b, w[2], nir_i2b1(&b->nb, &atomic->dest.ssa));
|
||
}
|
||
if (after_semantics)
|
||
vtn_emit_memory_barrier(b, scope, after_semantics);
|
||
}
|
||
|
||
static nir_alu_instr *
|
||
create_vec(struct vtn_builder *b, unsigned num_components, unsigned bit_size)
|
||
{
|
||
nir_op op = nir_op_vec(num_components);
|
||
nir_alu_instr *vec = nir_alu_instr_create(b->shader, op);
|
||
nir_ssa_dest_init(&vec->instr, &vec->dest.dest, num_components,
|
||
bit_size, NULL);
|
||
vec->dest.write_mask = (1 << num_components) - 1;
|
||
|
||
return vec;
|
||
}
|
||
|
||
struct vtn_ssa_value *
|
||
vtn_ssa_transpose(struct vtn_builder *b, struct vtn_ssa_value *src)
|
||
{
|
||
if (src->transposed)
|
||
return src->transposed;
|
||
|
||
struct vtn_ssa_value *dest =
|
||
vtn_create_ssa_value(b, glsl_transposed_type(src->type));
|
||
|
||
for (unsigned i = 0; i < glsl_get_matrix_columns(dest->type); i++) {
|
||
if (glsl_type_is_vector_or_scalar(src->type)) {
|
||
dest->elems[i]->def = nir_channel(&b->nb, src->def, i);
|
||
} else {
|
||
unsigned cols = glsl_get_matrix_columns(src->type);
|
||
nir_ssa_scalar srcs[NIR_MAX_MATRIX_COLUMNS];
|
||
for (unsigned j = 0; j < cols; j++) {
|
||
srcs[j] = nir_get_ssa_scalar(src->elems[j]->def, i);
|
||
}
|
||
dest->elems[i]->def = nir_vec_scalars(&b->nb, srcs, cols);
|
||
}
|
||
}
|
||
|
||
dest->transposed = src;
|
||
|
||
return dest;
|
||
}
|
||
|
||
static nir_ssa_def *
|
||
vtn_vector_shuffle(struct vtn_builder *b, unsigned num_components,
|
||
nir_ssa_def *src0, nir_ssa_def *src1,
|
||
const uint32_t *indices)
|
||
{
|
||
nir_alu_instr *vec = create_vec(b, num_components, src0->bit_size);
|
||
|
||
for (unsigned i = 0; i < num_components; i++) {
|
||
uint32_t index = indices[i];
|
||
unsigned total_components = src0->num_components + src1->num_components;
|
||
vtn_fail_if(index != 0xffffffff && index >= total_components,
|
||
"OpVectorShuffle: All Component literals must either be "
|
||
"FFFFFFFF or in [0, N - 1] (inclusive)");
|
||
|
||
if (index == 0xffffffff) {
|
||
vec->src[i].src =
|
||
nir_src_for_ssa(nir_ssa_undef(&b->nb, 1, src0->bit_size));
|
||
} else if (index < src0->num_components) {
|
||
vec->src[i].src = nir_src_for_ssa(src0);
|
||
vec->src[i].swizzle[0] = index;
|
||
} else {
|
||
vec->src[i].src = nir_src_for_ssa(src1);
|
||
vec->src[i].swizzle[0] = index - src0->num_components;
|
||
}
|
||
}
|
||
|
||
nir_builder_instr_insert(&b->nb, &vec->instr);
|
||
|
||
return &vec->dest.dest.ssa;
|
||
}
|
||
|
||
/*
|
||
* Concatentates a number of vectors/scalars together to produce a vector
|
||
*/
|
||
static nir_ssa_def *
|
||
vtn_vector_construct(struct vtn_builder *b, unsigned num_components,
|
||
unsigned num_srcs, nir_ssa_def **srcs)
|
||
{
|
||
nir_alu_instr *vec = create_vec(b, num_components, srcs[0]->bit_size);
|
||
|
||
/* From the SPIR-V 1.1 spec for OpCompositeConstruct:
|
||
*
|
||
* "When constructing a vector, there must be at least two Constituent
|
||
* operands."
|
||
*/
|
||
vtn_assert(num_srcs >= 2);
|
||
|
||
unsigned dest_idx = 0;
|
||
for (unsigned i = 0; i < num_srcs; i++) {
|
||
nir_ssa_def *src = srcs[i];
|
||
vtn_assert(dest_idx + src->num_components <= num_components);
|
||
for (unsigned j = 0; j < src->num_components; j++) {
|
||
vec->src[dest_idx].src = nir_src_for_ssa(src);
|
||
vec->src[dest_idx].swizzle[0] = j;
|
||
dest_idx++;
|
||
}
|
||
}
|
||
|
||
/* From the SPIR-V 1.1 spec for OpCompositeConstruct:
|
||
*
|
||
* "When constructing a vector, the total number of components in all
|
||
* the operands must equal the number of components in Result Type."
|
||
*/
|
||
vtn_assert(dest_idx == num_components);
|
||
|
||
nir_builder_instr_insert(&b->nb, &vec->instr);
|
||
|
||
return &vec->dest.dest.ssa;
|
||
}
|
||
|
||
static struct vtn_ssa_value *
|
||
vtn_composite_copy(void *mem_ctx, struct vtn_ssa_value *src)
|
||
{
|
||
struct vtn_ssa_value *dest = rzalloc(mem_ctx, struct vtn_ssa_value);
|
||
dest->type = src->type;
|
||
|
||
if (glsl_type_is_vector_or_scalar(src->type)) {
|
||
dest->def = src->def;
|
||
} else {
|
||
unsigned elems = glsl_get_length(src->type);
|
||
|
||
dest->elems = ralloc_array(mem_ctx, struct vtn_ssa_value *, elems);
|
||
for (unsigned i = 0; i < elems; i++)
|
||
dest->elems[i] = vtn_composite_copy(mem_ctx, src->elems[i]);
|
||
}
|
||
|
||
return dest;
|
||
}
|
||
|
||
static struct vtn_ssa_value *
|
||
vtn_composite_insert(struct vtn_builder *b, struct vtn_ssa_value *src,
|
||
struct vtn_ssa_value *insert, const uint32_t *indices,
|
||
unsigned num_indices)
|
||
{
|
||
struct vtn_ssa_value *dest = vtn_composite_copy(b, src);
|
||
|
||
struct vtn_ssa_value *cur = dest;
|
||
unsigned i;
|
||
for (i = 0; i < num_indices - 1; i++) {
|
||
/* If we got a vector here, that means the next index will be trying to
|
||
* dereference a scalar.
|
||
*/
|
||
vtn_fail_if(glsl_type_is_vector_or_scalar(cur->type),
|
||
"OpCompositeInsert has too many indices.");
|
||
vtn_fail_if(indices[i] >= glsl_get_length(cur->type),
|
||
"All indices in an OpCompositeInsert must be in-bounds");
|
||
cur = cur->elems[indices[i]];
|
||
}
|
||
|
||
if (glsl_type_is_vector_or_scalar(cur->type)) {
|
||
vtn_fail_if(indices[i] >= glsl_get_vector_elements(cur->type),
|
||
"All indices in an OpCompositeInsert must be in-bounds");
|
||
|
||
/* According to the SPIR-V spec, OpCompositeInsert may work down to
|
||
* the component granularity. In that case, the last index will be
|
||
* the index to insert the scalar into the vector.
|
||
*/
|
||
|
||
cur->def = nir_vector_insert_imm(&b->nb, cur->def, insert->def, indices[i]);
|
||
} else {
|
||
vtn_fail_if(indices[i] >= glsl_get_length(cur->type),
|
||
"All indices in an OpCompositeInsert must be in-bounds");
|
||
cur->elems[indices[i]] = insert;
|
||
}
|
||
|
||
return dest;
|
||
}
|
||
|
||
static struct vtn_ssa_value *
|
||
vtn_composite_extract(struct vtn_builder *b, struct vtn_ssa_value *src,
|
||
const uint32_t *indices, unsigned num_indices)
|
||
{
|
||
struct vtn_ssa_value *cur = src;
|
||
for (unsigned i = 0; i < num_indices; i++) {
|
||
if (glsl_type_is_vector_or_scalar(cur->type)) {
|
||
vtn_assert(i == num_indices - 1);
|
||
vtn_fail_if(indices[i] >= glsl_get_vector_elements(cur->type),
|
||
"All indices in an OpCompositeExtract must be in-bounds");
|
||
|
||
/* According to the SPIR-V spec, OpCompositeExtract may work down to
|
||
* the component granularity. The last index will be the index of the
|
||
* vector to extract.
|
||
*/
|
||
|
||
const struct glsl_type *scalar_type =
|
||
glsl_scalar_type(glsl_get_base_type(cur->type));
|
||
struct vtn_ssa_value *ret = vtn_create_ssa_value(b, scalar_type);
|
||
ret->def = nir_channel(&b->nb, cur->def, indices[i]);
|
||
return ret;
|
||
} else {
|
||
vtn_fail_if(indices[i] >= glsl_get_length(cur->type),
|
||
"All indices in an OpCompositeExtract must be in-bounds");
|
||
cur = cur->elems[indices[i]];
|
||
}
|
||
}
|
||
|
||
return cur;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_composite(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
struct vtn_type *type = vtn_get_type(b, w[1]);
|
||
struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, type->type);
|
||
|
||
switch (opcode) {
|
||
case SpvOpVectorExtractDynamic:
|
||
ssa->def = nir_vector_extract(&b->nb, vtn_get_nir_ssa(b, w[3]),
|
||
vtn_get_nir_ssa(b, w[4]));
|
||
break;
|
||
|
||
case SpvOpVectorInsertDynamic:
|
||
ssa->def = nir_vector_insert(&b->nb, vtn_get_nir_ssa(b, w[3]),
|
||
vtn_get_nir_ssa(b, w[4]),
|
||
vtn_get_nir_ssa(b, w[5]));
|
||
break;
|
||
|
||
case SpvOpVectorShuffle:
|
||
ssa->def = vtn_vector_shuffle(b, glsl_get_vector_elements(type->type),
|
||
vtn_get_nir_ssa(b, w[3]),
|
||
vtn_get_nir_ssa(b, w[4]),
|
||
w + 5);
|
||
break;
|
||
|
||
case SpvOpCompositeConstruct: {
|
||
unsigned elems = count - 3;
|
||
assume(elems >= 1);
|
||
if (glsl_type_is_vector_or_scalar(type->type)) {
|
||
nir_ssa_def *srcs[NIR_MAX_VEC_COMPONENTS];
|
||
for (unsigned i = 0; i < elems; i++) {
|
||
srcs[i] = vtn_get_nir_ssa(b, w[3 + i]);
|
||
vtn_assert(glsl_get_bit_size(type->type) == srcs[i]->bit_size);
|
||
}
|
||
ssa->def =
|
||
vtn_vector_construct(b, glsl_get_vector_elements(type->type),
|
||
elems, srcs);
|
||
} else {
|
||
ssa->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
|
||
for (unsigned i = 0; i < elems; i++)
|
||
ssa->elems[i] = vtn_ssa_value(b, w[3 + i]);
|
||
}
|
||
break;
|
||
}
|
||
case SpvOpCompositeExtract:
|
||
ssa = vtn_composite_extract(b, vtn_ssa_value(b, w[3]),
|
||
w + 4, count - 4);
|
||
break;
|
||
|
||
case SpvOpCompositeInsert:
|
||
ssa = vtn_composite_insert(b, vtn_ssa_value(b, w[4]),
|
||
vtn_ssa_value(b, w[3]),
|
||
w + 5, count - 5);
|
||
break;
|
||
|
||
case SpvOpCopyLogical:
|
||
ssa = vtn_composite_copy(b, vtn_ssa_value(b, w[3]));
|
||
break;
|
||
case SpvOpCopyObject:
|
||
vtn_copy_value(b, w[3], w[2]);
|
||
return;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("unknown composite operation", opcode);
|
||
}
|
||
|
||
vtn_push_ssa_value(b, w[2], ssa);
|
||
}
|
||
|
||
void
|
||
vtn_emit_memory_barrier(struct vtn_builder *b, SpvScope scope,
|
||
SpvMemorySemanticsMask semantics)
|
||
{
|
||
if (b->shader->options->use_scoped_barrier) {
|
||
vtn_emit_scoped_memory_barrier(b, scope, semantics);
|
||
return;
|
||
}
|
||
|
||
static const SpvMemorySemanticsMask all_memory_semantics =
|
||
SpvMemorySemanticsUniformMemoryMask |
|
||
SpvMemorySemanticsWorkgroupMemoryMask |
|
||
SpvMemorySemanticsAtomicCounterMemoryMask |
|
||
SpvMemorySemanticsImageMemoryMask |
|
||
SpvMemorySemanticsOutputMemoryMask;
|
||
|
||
/* If we're not actually doing a memory barrier, bail */
|
||
if (!(semantics & all_memory_semantics))
|
||
return;
|
||
|
||
/* GL and Vulkan don't have these */
|
||
vtn_assert(scope != SpvScopeCrossDevice);
|
||
|
||
if (scope == SpvScopeSubgroup)
|
||
return; /* Nothing to do here */
|
||
|
||
if (scope == SpvScopeWorkgroup) {
|
||
nir_group_memory_barrier(&b->nb);
|
||
return;
|
||
}
|
||
|
||
/* There's only three scopes left */
|
||
vtn_assert(scope == SpvScopeInvocation || scope == SpvScopeDevice || scope == SpvScopeQueueFamily);
|
||
|
||
/* Map the GLSL memoryBarrier() construct and any barriers with more than one
|
||
* semantic to the corresponding NIR one.
|
||
*/
|
||
if (util_bitcount(semantics & all_memory_semantics) > 1) {
|
||
nir_memory_barrier(&b->nb);
|
||
if (semantics & SpvMemorySemanticsOutputMemoryMask) {
|
||
/* GLSL memoryBarrier() (and the corresponding NIR one) doesn't include
|
||
* TCS outputs, so we have to emit it's own intrinsic for that. We
|
||
* then need to emit another memory_barrier to prevent moving
|
||
* non-output operations to before the tcs_patch barrier.
|
||
*/
|
||
nir_memory_barrier_tcs_patch(&b->nb);
|
||
nir_memory_barrier(&b->nb);
|
||
}
|
||
return;
|
||
}
|
||
|
||
/* Issue a more specific barrier */
|
||
switch (semantics & all_memory_semantics) {
|
||
case SpvMemorySemanticsUniformMemoryMask:
|
||
nir_memory_barrier_buffer(&b->nb);
|
||
break;
|
||
case SpvMemorySemanticsWorkgroupMemoryMask:
|
||
nir_memory_barrier_shared(&b->nb);
|
||
break;
|
||
case SpvMemorySemanticsAtomicCounterMemoryMask:
|
||
nir_memory_barrier_atomic_counter(&b->nb);
|
||
break;
|
||
case SpvMemorySemanticsImageMemoryMask:
|
||
nir_memory_barrier_image(&b->nb);
|
||
break;
|
||
case SpvMemorySemanticsOutputMemoryMask:
|
||
if (b->nb.shader->info.stage == MESA_SHADER_TESS_CTRL)
|
||
nir_memory_barrier_tcs_patch(&b->nb);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
vtn_handle_barrier(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, UNUSED unsigned count)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpEmitVertex:
|
||
case SpvOpEmitStreamVertex:
|
||
case SpvOpEndPrimitive:
|
||
case SpvOpEndStreamPrimitive: {
|
||
unsigned stream = 0;
|
||
if (opcode == SpvOpEmitStreamVertex || opcode == SpvOpEndStreamPrimitive)
|
||
stream = vtn_constant_uint(b, w[1]);
|
||
|
||
switch (opcode) {
|
||
case SpvOpEmitStreamVertex:
|
||
case SpvOpEmitVertex:
|
||
nir_emit_vertex(&b->nb, stream);
|
||
break;
|
||
case SpvOpEndPrimitive:
|
||
case SpvOpEndStreamPrimitive:
|
||
nir_end_primitive(&b->nb, stream);
|
||
break;
|
||
default:
|
||
unreachable("Invalid opcode");
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpMemoryBarrier: {
|
||
SpvScope scope = vtn_constant_uint(b, w[1]);
|
||
SpvMemorySemanticsMask semantics = vtn_constant_uint(b, w[2]);
|
||
vtn_emit_memory_barrier(b, scope, semantics);
|
||
return;
|
||
}
|
||
|
||
case SpvOpControlBarrier: {
|
||
SpvScope execution_scope = vtn_constant_uint(b, w[1]);
|
||
SpvScope memory_scope = vtn_constant_uint(b, w[2]);
|
||
SpvMemorySemanticsMask memory_semantics = vtn_constant_uint(b, w[3]);
|
||
|
||
/* GLSLang, prior to commit 8297936dd6eb3, emitted OpControlBarrier with
|
||
* memory semantics of None for GLSL barrier().
|
||
* And before that, prior to c3f1cdfa, emitted the OpControlBarrier with
|
||
* Device instead of Workgroup for execution scope.
|
||
*/
|
||
if (b->wa_glslang_cs_barrier &&
|
||
b->nb.shader->info.stage == MESA_SHADER_COMPUTE &&
|
||
(execution_scope == SpvScopeWorkgroup ||
|
||
execution_scope == SpvScopeDevice) &&
|
||
memory_semantics == SpvMemorySemanticsMaskNone) {
|
||
execution_scope = SpvScopeWorkgroup;
|
||
memory_scope = SpvScopeWorkgroup;
|
||
memory_semantics = SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsWorkgroupMemoryMask;
|
||
}
|
||
|
||
/* From the SPIR-V spec:
|
||
*
|
||
* "When used with the TessellationControl execution model, it also
|
||
* implicitly synchronizes the Output Storage Class: Writes to Output
|
||
* variables performed by any invocation executed prior to a
|
||
* OpControlBarrier will be visible to any other invocation after
|
||
* return from that OpControlBarrier."
|
||
*
|
||
* The same applies to VK_NV_mesh_shader.
|
||
*/
|
||
if (b->nb.shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->nb.shader->info.stage == MESA_SHADER_TASK ||
|
||
b->nb.shader->info.stage == MESA_SHADER_MESH) {
|
||
memory_semantics &= ~(SpvMemorySemanticsAcquireMask |
|
||
SpvMemorySemanticsReleaseMask |
|
||
SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsSequentiallyConsistentMask);
|
||
memory_semantics |= SpvMemorySemanticsAcquireReleaseMask |
|
||
SpvMemorySemanticsOutputMemoryMask;
|
||
}
|
||
|
||
if (b->shader->options->use_scoped_barrier) {
|
||
vtn_emit_scoped_control_barrier(b, execution_scope, memory_scope,
|
||
memory_semantics);
|
||
} else {
|
||
vtn_emit_memory_barrier(b, memory_scope, memory_semantics);
|
||
|
||
if (execution_scope == SpvScopeWorkgroup)
|
||
nir_control_barrier(&b->nb);
|
||
}
|
||
break;
|
||
}
|
||
|
||
default:
|
||
unreachable("unknown barrier instruction");
|
||
}
|
||
}
|
||
|
||
static enum tess_primitive_mode
|
||
tess_primitive_mode_from_spv_execution_mode(struct vtn_builder *b,
|
||
SpvExecutionMode mode)
|
||
{
|
||
switch (mode) {
|
||
case SpvExecutionModeTriangles:
|
||
return TESS_PRIMITIVE_TRIANGLES;
|
||
case SpvExecutionModeQuads:
|
||
return TESS_PRIMITIVE_QUADS;
|
||
case SpvExecutionModeIsolines:
|
||
return TESS_PRIMITIVE_ISOLINES;
|
||
default:
|
||
vtn_fail("Invalid tess primitive type: %s (%u)",
|
||
spirv_executionmode_to_string(mode), mode);
|
||
}
|
||
}
|
||
|
||
static enum shader_prim
|
||
primitive_from_spv_execution_mode(struct vtn_builder *b,
|
||
SpvExecutionMode mode)
|
||
{
|
||
switch (mode) {
|
||
case SpvExecutionModeInputPoints:
|
||
case SpvExecutionModeOutputPoints:
|
||
return SHADER_PRIM_POINTS;
|
||
case SpvExecutionModeInputLines:
|
||
case SpvExecutionModeOutputLinesNV:
|
||
return SHADER_PRIM_LINES;
|
||
case SpvExecutionModeInputLinesAdjacency:
|
||
return SHADER_PRIM_LINES_ADJACENCY;
|
||
case SpvExecutionModeTriangles:
|
||
case SpvExecutionModeOutputTrianglesNV:
|
||
return SHADER_PRIM_TRIANGLES;
|
||
case SpvExecutionModeInputTrianglesAdjacency:
|
||
return SHADER_PRIM_TRIANGLES_ADJACENCY;
|
||
case SpvExecutionModeQuads:
|
||
return SHADER_PRIM_QUADS;
|
||
case SpvExecutionModeOutputLineStrip:
|
||
return SHADER_PRIM_LINE_STRIP;
|
||
case SpvExecutionModeOutputTriangleStrip:
|
||
return SHADER_PRIM_TRIANGLE_STRIP;
|
||
default:
|
||
vtn_fail("Invalid primitive type: %s (%u)",
|
||
spirv_executionmode_to_string(mode), mode);
|
||
}
|
||
}
|
||
|
||
static unsigned
|
||
vertices_in_from_spv_execution_mode(struct vtn_builder *b,
|
||
SpvExecutionMode mode)
|
||
{
|
||
switch (mode) {
|
||
case SpvExecutionModeInputPoints:
|
||
return 1;
|
||
case SpvExecutionModeInputLines:
|
||
return 2;
|
||
case SpvExecutionModeInputLinesAdjacency:
|
||
return 4;
|
||
case SpvExecutionModeTriangles:
|
||
return 3;
|
||
case SpvExecutionModeInputTrianglesAdjacency:
|
||
return 6;
|
||
default:
|
||
vtn_fail("Invalid GS input mode: %s (%u)",
|
||
spirv_executionmode_to_string(mode), mode);
|
||
}
|
||
}
|
||
|
||
static gl_shader_stage
|
||
stage_for_execution_model(struct vtn_builder *b, SpvExecutionModel model)
|
||
{
|
||
switch (model) {
|
||
case SpvExecutionModelVertex:
|
||
return MESA_SHADER_VERTEX;
|
||
case SpvExecutionModelTessellationControl:
|
||
return MESA_SHADER_TESS_CTRL;
|
||
case SpvExecutionModelTessellationEvaluation:
|
||
return MESA_SHADER_TESS_EVAL;
|
||
case SpvExecutionModelGeometry:
|
||
return MESA_SHADER_GEOMETRY;
|
||
case SpvExecutionModelFragment:
|
||
return MESA_SHADER_FRAGMENT;
|
||
case SpvExecutionModelGLCompute:
|
||
return MESA_SHADER_COMPUTE;
|
||
case SpvExecutionModelKernel:
|
||
return MESA_SHADER_KERNEL;
|
||
case SpvExecutionModelRayGenerationKHR:
|
||
return MESA_SHADER_RAYGEN;
|
||
case SpvExecutionModelAnyHitKHR:
|
||
return MESA_SHADER_ANY_HIT;
|
||
case SpvExecutionModelClosestHitKHR:
|
||
return MESA_SHADER_CLOSEST_HIT;
|
||
case SpvExecutionModelMissKHR:
|
||
return MESA_SHADER_MISS;
|
||
case SpvExecutionModelIntersectionKHR:
|
||
return MESA_SHADER_INTERSECTION;
|
||
case SpvExecutionModelCallableKHR:
|
||
return MESA_SHADER_CALLABLE;
|
||
case SpvExecutionModelTaskNV:
|
||
return MESA_SHADER_TASK;
|
||
case SpvExecutionModelMeshNV:
|
||
return MESA_SHADER_MESH;
|
||
default:
|
||
vtn_fail("Unsupported execution model: %s (%u)",
|
||
spirv_executionmodel_to_string(model), model);
|
||
}
|
||
}
|
||
|
||
#define spv_check_supported(name, cap) do { \
|
||
if (!(b->options && b->options->caps.name)) \
|
||
vtn_warn("Unsupported SPIR-V capability: %s (%u)", \
|
||
spirv_capability_to_string(cap), cap); \
|
||
} while(0)
|
||
|
||
|
||
void
|
||
vtn_handle_entry_point(struct vtn_builder *b, const uint32_t *w,
|
||
unsigned count)
|
||
{
|
||
struct vtn_value *entry_point = &b->values[w[2]];
|
||
/* Let this be a name label regardless */
|
||
unsigned name_words;
|
||
entry_point->name = vtn_string_literal(b, &w[3], count - 3, &name_words);
|
||
|
||
if (strcmp(entry_point->name, b->entry_point_name) != 0 ||
|
||
stage_for_execution_model(b, w[1]) != b->entry_point_stage)
|
||
return;
|
||
|
||
vtn_assert(b->entry_point == NULL);
|
||
b->entry_point = entry_point;
|
||
|
||
/* Entry points enumerate which global variables are used. */
|
||
size_t start = 3 + name_words;
|
||
b->interface_ids_count = count - start;
|
||
b->interface_ids = ralloc_array(b, uint32_t, b->interface_ids_count);
|
||
memcpy(b->interface_ids, &w[start], b->interface_ids_count * 4);
|
||
qsort(b->interface_ids, b->interface_ids_count, 4, cmp_uint32_t);
|
||
}
|
||
|
||
static bool
|
||
vtn_handle_preamble_instruction(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpSource: {
|
||
const char *lang;
|
||
switch (w[1]) {
|
||
default:
|
||
case SpvSourceLanguageUnknown: lang = "unknown"; break;
|
||
case SpvSourceLanguageESSL: lang = "ESSL"; break;
|
||
case SpvSourceLanguageGLSL: lang = "GLSL"; break;
|
||
case SpvSourceLanguageOpenCL_C: lang = "OpenCL C"; break;
|
||
case SpvSourceLanguageOpenCL_CPP: lang = "OpenCL C++"; break;
|
||
case SpvSourceLanguageHLSL: lang = "HLSL"; break;
|
||
}
|
||
|
||
uint32_t version = w[2];
|
||
|
||
const char *file =
|
||
(count > 3) ? vtn_value(b, w[3], vtn_value_type_string)->str : "";
|
||
|
||
vtn_info("Parsing SPIR-V from %s %u source file %s", lang, version, file);
|
||
|
||
b->source_lang = w[1];
|
||
break;
|
||
}
|
||
|
||
case SpvOpSourceExtension:
|
||
case SpvOpSourceContinued:
|
||
case SpvOpExtension:
|
||
case SpvOpModuleProcessed:
|
||
/* Unhandled, but these are for debug so that's ok. */
|
||
break;
|
||
|
||
case SpvOpCapability: {
|
||
SpvCapability cap = w[1];
|
||
switch (cap) {
|
||
case SpvCapabilityMatrix:
|
||
case SpvCapabilityShader:
|
||
case SpvCapabilityGeometry:
|
||
case SpvCapabilityGeometryPointSize:
|
||
case SpvCapabilityUniformBufferArrayDynamicIndexing:
|
||
case SpvCapabilitySampledImageArrayDynamicIndexing:
|
||
case SpvCapabilityStorageBufferArrayDynamicIndexing:
|
||
case SpvCapabilityStorageImageArrayDynamicIndexing:
|
||
case SpvCapabilityImageRect:
|
||
case SpvCapabilitySampledRect:
|
||
case SpvCapabilitySampled1D:
|
||
case SpvCapabilityImage1D:
|
||
case SpvCapabilitySampledCubeArray:
|
||
case SpvCapabilityImageCubeArray:
|
||
case SpvCapabilitySampledBuffer:
|
||
case SpvCapabilityImageBuffer:
|
||
case SpvCapabilityImageQuery:
|
||
case SpvCapabilityDerivativeControl:
|
||
case SpvCapabilityInterpolationFunction:
|
||
case SpvCapabilityMultiViewport:
|
||
case SpvCapabilitySampleRateShading:
|
||
case SpvCapabilityClipDistance:
|
||
case SpvCapabilityCullDistance:
|
||
case SpvCapabilityInputAttachment:
|
||
case SpvCapabilityImageGatherExtended:
|
||
case SpvCapabilityStorageImageExtendedFormats:
|
||
case SpvCapabilityVector16:
|
||
case SpvCapabilityDotProduct:
|
||
case SpvCapabilityDotProductInputAll:
|
||
case SpvCapabilityDotProductInput4x8Bit:
|
||
case SpvCapabilityDotProductInput4x8BitPacked:
|
||
break;
|
||
|
||
case SpvCapabilityLinkage:
|
||
if (!b->options->create_library)
|
||
vtn_warn("Unsupported SPIR-V capability: %s",
|
||
spirv_capability_to_string(cap));
|
||
spv_check_supported(linkage, cap);
|
||
vtn_warn("The SPIR-V Linkage capability is not fully supported");
|
||
break;
|
||
|
||
case SpvCapabilitySparseResidency:
|
||
spv_check_supported(sparse_residency, cap);
|
||
break;
|
||
|
||
case SpvCapabilityMinLod:
|
||
spv_check_supported(min_lod, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicStorage:
|
||
spv_check_supported(atomic_storage, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFloat64:
|
||
spv_check_supported(float64, cap);
|
||
break;
|
||
case SpvCapabilityInt64:
|
||
spv_check_supported(int64, cap);
|
||
break;
|
||
case SpvCapabilityInt16:
|
||
spv_check_supported(int16, cap);
|
||
break;
|
||
case SpvCapabilityInt8:
|
||
spv_check_supported(int8, cap);
|
||
break;
|
||
|
||
case SpvCapabilityTransformFeedback:
|
||
spv_check_supported(transform_feedback, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGeometryStreams:
|
||
spv_check_supported(geometry_streams, cap);
|
||
break;
|
||
|
||
case SpvCapabilityInt64Atomics:
|
||
spv_check_supported(int64_atomics, cap);
|
||
break;
|
||
|
||
case SpvCapabilityStorageImageMultisample:
|
||
spv_check_supported(storage_image_ms, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAddresses:
|
||
spv_check_supported(address, cap);
|
||
break;
|
||
|
||
case SpvCapabilityKernel:
|
||
case SpvCapabilityFloat16Buffer:
|
||
spv_check_supported(kernel, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGenericPointer:
|
||
spv_check_supported(generic_pointers, cap);
|
||
break;
|
||
|
||
case SpvCapabilityImageBasic:
|
||
spv_check_supported(kernel_image, cap);
|
||
break;
|
||
|
||
case SpvCapabilityImageReadWrite:
|
||
spv_check_supported(kernel_image_read_write, cap);
|
||
break;
|
||
|
||
case SpvCapabilityLiteralSampler:
|
||
spv_check_supported(literal_sampler, cap);
|
||
break;
|
||
|
||
case SpvCapabilityImageMipmap:
|
||
case SpvCapabilityPipes:
|
||
case SpvCapabilityDeviceEnqueue:
|
||
vtn_warn("Unsupported OpenCL-style SPIR-V capability: %s",
|
||
spirv_capability_to_string(cap));
|
||
break;
|
||
|
||
case SpvCapabilityImageMSArray:
|
||
spv_check_supported(image_ms_array, cap);
|
||
break;
|
||
|
||
case SpvCapabilityTessellation:
|
||
case SpvCapabilityTessellationPointSize:
|
||
spv_check_supported(tessellation, cap);
|
||
break;
|
||
|
||
case SpvCapabilityDrawParameters:
|
||
spv_check_supported(draw_parameters, cap);
|
||
break;
|
||
|
||
case SpvCapabilityStorageImageReadWithoutFormat:
|
||
spv_check_supported(image_read_without_format, cap);
|
||
break;
|
||
|
||
case SpvCapabilityStorageImageWriteWithoutFormat:
|
||
spv_check_supported(image_write_without_format, cap);
|
||
break;
|
||
|
||
case SpvCapabilityDeviceGroup:
|
||
spv_check_supported(device_group, cap);
|
||
break;
|
||
|
||
case SpvCapabilityMultiView:
|
||
spv_check_supported(multiview, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGroupNonUniform:
|
||
spv_check_supported(subgroup_basic, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySubgroupVoteKHR:
|
||
case SpvCapabilityGroupNonUniformVote:
|
||
spv_check_supported(subgroup_vote, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySubgroupBallotKHR:
|
||
case SpvCapabilityGroupNonUniformBallot:
|
||
spv_check_supported(subgroup_ballot, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGroupNonUniformShuffle:
|
||
case SpvCapabilityGroupNonUniformShuffleRelative:
|
||
spv_check_supported(subgroup_shuffle, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGroupNonUniformQuad:
|
||
spv_check_supported(subgroup_quad, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGroupNonUniformArithmetic:
|
||
case SpvCapabilityGroupNonUniformClustered:
|
||
spv_check_supported(subgroup_arithmetic, cap);
|
||
break;
|
||
|
||
case SpvCapabilityGroups:
|
||
spv_check_supported(groups, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySubgroupDispatch:
|
||
spv_check_supported(subgroup_dispatch, cap);
|
||
/* Missing :
|
||
* - SpvOpGetKernelLocalSizeForSubgroupCount
|
||
* - SpvOpGetKernelMaxNumSubgroups
|
||
* - SpvExecutionModeSubgroupsPerWorkgroup
|
||
* - SpvExecutionModeSubgroupsPerWorkgroupId
|
||
*/
|
||
vtn_warn("Not fully supported capability: %s",
|
||
spirv_capability_to_string(cap));
|
||
break;
|
||
|
||
case SpvCapabilityVariablePointersStorageBuffer:
|
||
case SpvCapabilityVariablePointers:
|
||
spv_check_supported(variable_pointers, cap);
|
||
b->variable_pointers = true;
|
||
break;
|
||
|
||
case SpvCapabilityStorageUniformBufferBlock16:
|
||
case SpvCapabilityStorageUniform16:
|
||
case SpvCapabilityStoragePushConstant16:
|
||
case SpvCapabilityStorageInputOutput16:
|
||
spv_check_supported(storage_16bit, cap);
|
||
break;
|
||
|
||
case SpvCapabilityShaderLayer:
|
||
case SpvCapabilityShaderViewportIndex:
|
||
case SpvCapabilityShaderViewportIndexLayerEXT:
|
||
spv_check_supported(shader_viewport_index_layer, cap);
|
||
break;
|
||
|
||
case SpvCapabilityStorageBuffer8BitAccess:
|
||
case SpvCapabilityUniformAndStorageBuffer8BitAccess:
|
||
case SpvCapabilityStoragePushConstant8:
|
||
spv_check_supported(storage_8bit, cap);
|
||
break;
|
||
|
||
case SpvCapabilityShaderNonUniformEXT:
|
||
spv_check_supported(descriptor_indexing, cap);
|
||
break;
|
||
|
||
case SpvCapabilityInputAttachmentArrayDynamicIndexingEXT:
|
||
case SpvCapabilityUniformTexelBufferArrayDynamicIndexingEXT:
|
||
case SpvCapabilityStorageTexelBufferArrayDynamicIndexingEXT:
|
||
spv_check_supported(descriptor_array_dynamic_indexing, cap);
|
||
break;
|
||
|
||
case SpvCapabilityUniformBufferArrayNonUniformIndexingEXT:
|
||
case SpvCapabilitySampledImageArrayNonUniformIndexingEXT:
|
||
case SpvCapabilityStorageBufferArrayNonUniformIndexingEXT:
|
||
case SpvCapabilityStorageImageArrayNonUniformIndexingEXT:
|
||
case SpvCapabilityInputAttachmentArrayNonUniformIndexingEXT:
|
||
case SpvCapabilityUniformTexelBufferArrayNonUniformIndexingEXT:
|
||
case SpvCapabilityStorageTexelBufferArrayNonUniformIndexingEXT:
|
||
spv_check_supported(descriptor_array_non_uniform_indexing, cap);
|
||
break;
|
||
|
||
case SpvCapabilityRuntimeDescriptorArrayEXT:
|
||
spv_check_supported(runtime_descriptor_array, cap);
|
||
break;
|
||
|
||
case SpvCapabilityStencilExportEXT:
|
||
spv_check_supported(stencil_export, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySampleMaskPostDepthCoverage:
|
||
spv_check_supported(post_depth_coverage, cap);
|
||
break;
|
||
|
||
case SpvCapabilityDenormFlushToZero:
|
||
case SpvCapabilityDenormPreserve:
|
||
case SpvCapabilitySignedZeroInfNanPreserve:
|
||
case SpvCapabilityRoundingModeRTE:
|
||
case SpvCapabilityRoundingModeRTZ:
|
||
spv_check_supported(float_controls, cap);
|
||
break;
|
||
|
||
case SpvCapabilityPhysicalStorageBufferAddresses:
|
||
spv_check_supported(physical_storage_buffer_address, cap);
|
||
break;
|
||
|
||
case SpvCapabilityComputeDerivativeGroupQuadsNV:
|
||
case SpvCapabilityComputeDerivativeGroupLinearNV:
|
||
spv_check_supported(derivative_group, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFloat16:
|
||
spv_check_supported(float16, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFragmentShaderSampleInterlockEXT:
|
||
spv_check_supported(fragment_shader_sample_interlock, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFragmentShaderPixelInterlockEXT:
|
||
spv_check_supported(fragment_shader_pixel_interlock, cap);
|
||
break;
|
||
|
||
case SpvCapabilityDemoteToHelperInvocation:
|
||
spv_check_supported(demote_to_helper_invocation, cap);
|
||
b->uses_demote_to_helper_invocation = true;
|
||
break;
|
||
|
||
case SpvCapabilityShaderClockKHR:
|
||
spv_check_supported(shader_clock, cap);
|
||
break;
|
||
|
||
case SpvCapabilityVulkanMemoryModel:
|
||
spv_check_supported(vk_memory_model, cap);
|
||
break;
|
||
|
||
case SpvCapabilityVulkanMemoryModelDeviceScope:
|
||
spv_check_supported(vk_memory_model_device_scope, cap);
|
||
break;
|
||
|
||
case SpvCapabilityImageReadWriteLodAMD:
|
||
spv_check_supported(amd_image_read_write_lod, cap);
|
||
break;
|
||
|
||
case SpvCapabilityIntegerFunctions2INTEL:
|
||
spv_check_supported(integer_functions2, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFragmentMaskAMD:
|
||
spv_check_supported(amd_fragment_mask, cap);
|
||
break;
|
||
|
||
case SpvCapabilityImageGatherBiasLodAMD:
|
||
spv_check_supported(amd_image_gather_bias_lod, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat16AddEXT:
|
||
spv_check_supported(float16_atomic_add, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat32AddEXT:
|
||
spv_check_supported(float32_atomic_add, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat64AddEXT:
|
||
spv_check_supported(float64_atomic_add, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySubgroupShuffleINTEL:
|
||
spv_check_supported(intel_subgroup_shuffle, cap);
|
||
break;
|
||
|
||
case SpvCapabilitySubgroupBufferBlockIOINTEL:
|
||
spv_check_supported(intel_subgroup_buffer_block_io, cap);
|
||
break;
|
||
|
||
case SpvCapabilityRayCullMaskKHR:
|
||
spv_check_supported(ray_cull_mask, cap);
|
||
break;
|
||
|
||
case SpvCapabilityRayTracingKHR:
|
||
spv_check_supported(ray_tracing, cap);
|
||
break;
|
||
|
||
case SpvCapabilityRayQueryKHR:
|
||
spv_check_supported(ray_query, cap);
|
||
break;
|
||
|
||
case SpvCapabilityRayTraversalPrimitiveCullingKHR:
|
||
spv_check_supported(ray_traversal_primitive_culling, cap);
|
||
break;
|
||
|
||
case SpvCapabilityInt64ImageEXT:
|
||
spv_check_supported(image_atomic_int64, cap);
|
||
break;
|
||
|
||
case SpvCapabilityFragmentShadingRateKHR:
|
||
spv_check_supported(fragment_shading_rate, cap);
|
||
break;
|
||
|
||
case SpvCapabilityWorkgroupMemoryExplicitLayoutKHR:
|
||
spv_check_supported(workgroup_memory_explicit_layout, cap);
|
||
break;
|
||
|
||
case SpvCapabilityWorkgroupMemoryExplicitLayout8BitAccessKHR:
|
||
spv_check_supported(workgroup_memory_explicit_layout, cap);
|
||
spv_check_supported(storage_8bit, cap);
|
||
break;
|
||
|
||
case SpvCapabilityWorkgroupMemoryExplicitLayout16BitAccessKHR:
|
||
spv_check_supported(workgroup_memory_explicit_layout, cap);
|
||
spv_check_supported(storage_16bit, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat16MinMaxEXT:
|
||
spv_check_supported(float16_atomic_min_max, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat32MinMaxEXT:
|
||
spv_check_supported(float32_atomic_min_max, cap);
|
||
break;
|
||
|
||
case SpvCapabilityAtomicFloat64MinMaxEXT:
|
||
spv_check_supported(float64_atomic_min_max, cap);
|
||
break;
|
||
|
||
case SpvCapabilityMeshShadingNV:
|
||
spv_check_supported(mesh_shading_nv, cap);
|
||
break;
|
||
|
||
case SpvCapabilityPerViewAttributesNV:
|
||
spv_check_supported(per_view_attributes_nv, cap);
|
||
break;
|
||
|
||
case SpvCapabilityShaderViewportMaskNV:
|
||
spv_check_supported(shader_viewport_mask_nv, cap);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("Unhandled capability: %s (%u)",
|
||
spirv_capability_to_string(cap), cap);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpExtInstImport:
|
||
vtn_handle_extension(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpMemoryModel:
|
||
switch (w[1]) {
|
||
case SpvAddressingModelPhysical32:
|
||
vtn_fail_if(b->shader->info.stage != MESA_SHADER_KERNEL,
|
||
"AddressingModelPhysical32 only supported for kernels");
|
||
b->shader->info.cs.ptr_size = 32;
|
||
b->physical_ptrs = true;
|
||
assert(nir_address_format_bit_size(b->options->global_addr_format) == 32);
|
||
assert(nir_address_format_num_components(b->options->global_addr_format) == 1);
|
||
assert(nir_address_format_bit_size(b->options->shared_addr_format) == 32);
|
||
assert(nir_address_format_num_components(b->options->shared_addr_format) == 1);
|
||
assert(nir_address_format_bit_size(b->options->constant_addr_format) == 32);
|
||
assert(nir_address_format_num_components(b->options->constant_addr_format) == 1);
|
||
break;
|
||
case SpvAddressingModelPhysical64:
|
||
vtn_fail_if(b->shader->info.stage != MESA_SHADER_KERNEL,
|
||
"AddressingModelPhysical64 only supported for kernels");
|
||
b->shader->info.cs.ptr_size = 64;
|
||
b->physical_ptrs = true;
|
||
assert(nir_address_format_bit_size(b->options->global_addr_format) == 64);
|
||
assert(nir_address_format_num_components(b->options->global_addr_format) == 1);
|
||
assert(nir_address_format_bit_size(b->options->shared_addr_format) == 64);
|
||
assert(nir_address_format_num_components(b->options->shared_addr_format) == 1);
|
||
assert(nir_address_format_bit_size(b->options->constant_addr_format) == 64);
|
||
assert(nir_address_format_num_components(b->options->constant_addr_format) == 1);
|
||
break;
|
||
case SpvAddressingModelLogical:
|
||
vtn_fail_if(b->shader->info.stage == MESA_SHADER_KERNEL,
|
||
"AddressingModelLogical only supported for shaders");
|
||
b->physical_ptrs = false;
|
||
break;
|
||
case SpvAddressingModelPhysicalStorageBuffer64:
|
||
vtn_fail_if(!b->options ||
|
||
!b->options->caps.physical_storage_buffer_address,
|
||
"AddressingModelPhysicalStorageBuffer64 not supported");
|
||
break;
|
||
default:
|
||
vtn_fail("Unknown addressing model: %s (%u)",
|
||
spirv_addressingmodel_to_string(w[1]), w[1]);
|
||
break;
|
||
}
|
||
|
||
b->mem_model = w[2];
|
||
switch (w[2]) {
|
||
case SpvMemoryModelSimple:
|
||
case SpvMemoryModelGLSL450:
|
||
case SpvMemoryModelOpenCL:
|
||
break;
|
||
case SpvMemoryModelVulkan:
|
||
vtn_fail_if(!b->options->caps.vk_memory_model,
|
||
"Vulkan memory model is unsupported by this driver");
|
||
break;
|
||
default:
|
||
vtn_fail("Unsupported memory model: %s",
|
||
spirv_memorymodel_to_string(w[2]));
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case SpvOpEntryPoint:
|
||
vtn_handle_entry_point(b, w, count);
|
||
break;
|
||
|
||
case SpvOpString:
|
||
vtn_push_value(b, w[1], vtn_value_type_string)->str =
|
||
vtn_string_literal(b, &w[2], count - 2, NULL);
|
||
break;
|
||
|
||
case SpvOpName:
|
||
b->values[w[1]].name = vtn_string_literal(b, &w[2], count - 2, NULL);
|
||
break;
|
||
|
||
case SpvOpMemberName:
|
||
case SpvOpExecutionMode:
|
||
case SpvOpExecutionModeId:
|
||
case SpvOpDecorationGroup:
|
||
case SpvOpDecorate:
|
||
case SpvOpDecorateId:
|
||
case SpvOpMemberDecorate:
|
||
case SpvOpGroupDecorate:
|
||
case SpvOpGroupMemberDecorate:
|
||
case SpvOpDecorateString:
|
||
case SpvOpMemberDecorateString:
|
||
vtn_handle_decoration(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpExtInst: {
|
||
struct vtn_value *val = vtn_value(b, w[3], vtn_value_type_extension);
|
||
if (val->ext_handler == vtn_handle_non_semantic_instruction) {
|
||
/* NonSemantic extended instructions are acceptable in preamble. */
|
||
vtn_handle_non_semantic_instruction(b, w[4], w, count);
|
||
return true;
|
||
} else {
|
||
return false; /* End of preamble. */
|
||
}
|
||
}
|
||
|
||
default:
|
||
return false; /* End of preamble */
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_execution_mode(struct vtn_builder *b, struct vtn_value *entry_point,
|
||
const struct vtn_decoration *mode, UNUSED void *data)
|
||
{
|
||
vtn_assert(b->entry_point == entry_point);
|
||
|
||
switch(mode->exec_mode) {
|
||
case SpvExecutionModeOriginUpperLeft:
|
||
case SpvExecutionModeOriginLowerLeft:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.origin_upper_left =
|
||
(mode->exec_mode == SpvExecutionModeOriginUpperLeft);
|
||
break;
|
||
|
||
case SpvExecutionModeEarlyFragmentTests:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.early_fragment_tests = true;
|
||
break;
|
||
|
||
case SpvExecutionModePostDepthCoverage:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.post_depth_coverage = true;
|
||
break;
|
||
|
||
case SpvExecutionModeInvocations:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_GEOMETRY);
|
||
b->shader->info.gs.invocations = MAX2(1, mode->operands[0]);
|
||
break;
|
||
|
||
case SpvExecutionModeDepthReplacing:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.depth_layout = FRAG_DEPTH_LAYOUT_ANY;
|
||
break;
|
||
case SpvExecutionModeDepthGreater:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.depth_layout = FRAG_DEPTH_LAYOUT_GREATER;
|
||
break;
|
||
case SpvExecutionModeDepthLess:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.depth_layout = FRAG_DEPTH_LAYOUT_LESS;
|
||
break;
|
||
case SpvExecutionModeDepthUnchanged:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.depth_layout = FRAG_DEPTH_LAYOUT_UNCHANGED;
|
||
break;
|
||
|
||
case SpvExecutionModeLocalSizeHint:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_KERNEL);
|
||
b->shader->info.cs.workgroup_size_hint[0] = mode->operands[0];
|
||
b->shader->info.cs.workgroup_size_hint[1] = mode->operands[1];
|
||
b->shader->info.cs.workgroup_size_hint[2] = mode->operands[2];
|
||
break;
|
||
|
||
case SpvExecutionModeLocalSize:
|
||
if (gl_shader_stage_uses_workgroup(b->shader->info.stage)) {
|
||
b->shader->info.workgroup_size[0] = mode->operands[0];
|
||
b->shader->info.workgroup_size[1] = mode->operands[1];
|
||
b->shader->info.workgroup_size[2] = mode->operands[2];
|
||
} else {
|
||
vtn_fail("Execution mode LocalSize not supported in stage %s",
|
||
_mesa_shader_stage_to_string(b->shader->info.stage));
|
||
}
|
||
break;
|
||
|
||
case SpvExecutionModeOutputVertices:
|
||
switch (b->shader->info.stage) {
|
||
case MESA_SHADER_TESS_CTRL:
|
||
case MESA_SHADER_TESS_EVAL:
|
||
b->shader->info.tess.tcs_vertices_out = mode->operands[0];
|
||
break;
|
||
case MESA_SHADER_GEOMETRY:
|
||
b->shader->info.gs.vertices_out = mode->operands[0];
|
||
break;
|
||
case MESA_SHADER_MESH:
|
||
b->shader->info.mesh.max_vertices_out = mode->operands[0];
|
||
break;
|
||
default:
|
||
vtn_fail("Execution mode OutputVertices not supported in stage %s",
|
||
_mesa_shader_stage_to_string(b->shader->info.stage));
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case SpvExecutionModeInputPoints:
|
||
case SpvExecutionModeInputLines:
|
||
case SpvExecutionModeInputLinesAdjacency:
|
||
case SpvExecutionModeTriangles:
|
||
case SpvExecutionModeInputTrianglesAdjacency:
|
||
case SpvExecutionModeQuads:
|
||
case SpvExecutionModeIsolines:
|
||
if (b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL) {
|
||
b->shader->info.tess._primitive_mode =
|
||
tess_primitive_mode_from_spv_execution_mode(b, mode->exec_mode);
|
||
} else {
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_GEOMETRY);
|
||
b->shader->info.gs.vertices_in =
|
||
vertices_in_from_spv_execution_mode(b, mode->exec_mode);
|
||
b->shader->info.gs.input_primitive =
|
||
primitive_from_spv_execution_mode(b, mode->exec_mode);
|
||
}
|
||
break;
|
||
|
||
case SpvExecutionModeOutputPrimitivesNV:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_MESH);
|
||
b->shader->info.mesh.max_primitives_out = mode->operands[0];
|
||
break;
|
||
|
||
case SpvExecutionModeOutputLinesNV:
|
||
case SpvExecutionModeOutputTrianglesNV:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_MESH);
|
||
b->shader->info.mesh.primitive_type =
|
||
primitive_from_spv_execution_mode(b, mode->exec_mode);
|
||
break;
|
||
|
||
case SpvExecutionModeOutputPoints: {
|
||
const unsigned primitive =
|
||
primitive_from_spv_execution_mode(b, mode->exec_mode);
|
||
|
||
switch (b->shader->info.stage) {
|
||
case MESA_SHADER_GEOMETRY:
|
||
b->shader->info.gs.output_primitive = primitive;
|
||
break;
|
||
case MESA_SHADER_MESH:
|
||
b->shader->info.mesh.primitive_type = primitive;
|
||
break;
|
||
default:
|
||
vtn_fail("Execution mode OutputPoints not supported in stage %s",
|
||
_mesa_shader_stage_to_string(b->shader->info.stage));
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvExecutionModeOutputLineStrip:
|
||
case SpvExecutionModeOutputTriangleStrip:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_GEOMETRY);
|
||
b->shader->info.gs.output_primitive =
|
||
primitive_from_spv_execution_mode(b, mode->exec_mode);
|
||
break;
|
||
|
||
case SpvExecutionModeSpacingEqual:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.spacing = TESS_SPACING_EQUAL;
|
||
break;
|
||
case SpvExecutionModeSpacingFractionalEven:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.spacing = TESS_SPACING_FRACTIONAL_EVEN;
|
||
break;
|
||
case SpvExecutionModeSpacingFractionalOdd:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.spacing = TESS_SPACING_FRACTIONAL_ODD;
|
||
break;
|
||
case SpvExecutionModeVertexOrderCw:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.ccw = false;
|
||
break;
|
||
case SpvExecutionModeVertexOrderCcw:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.ccw = true;
|
||
break;
|
||
case SpvExecutionModePointMode:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_TESS_CTRL ||
|
||
b->shader->info.stage == MESA_SHADER_TESS_EVAL);
|
||
b->shader->info.tess.point_mode = true;
|
||
break;
|
||
|
||
case SpvExecutionModePixelCenterInteger:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.pixel_center_integer = true;
|
||
break;
|
||
|
||
case SpvExecutionModeXfb:
|
||
b->shader->info.has_transform_feedback_varyings = true;
|
||
break;
|
||
|
||
case SpvExecutionModeVecTypeHint:
|
||
break; /* OpenCL */
|
||
|
||
case SpvExecutionModeContractionOff:
|
||
if (b->shader->info.stage != MESA_SHADER_KERNEL)
|
||
vtn_warn("ExectionMode only allowed for CL-style kernels: %s",
|
||
spirv_executionmode_to_string(mode->exec_mode));
|
||
else
|
||
b->exact = true;
|
||
break;
|
||
|
||
case SpvExecutionModeStencilRefReplacingEXT:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
break;
|
||
|
||
case SpvExecutionModeDerivativeGroupQuadsNV:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_COMPUTE);
|
||
b->shader->info.cs.derivative_group = DERIVATIVE_GROUP_QUADS;
|
||
break;
|
||
|
||
case SpvExecutionModeDerivativeGroupLinearNV:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_COMPUTE);
|
||
b->shader->info.cs.derivative_group = DERIVATIVE_GROUP_LINEAR;
|
||
break;
|
||
|
||
case SpvExecutionModePixelInterlockOrderedEXT:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.pixel_interlock_ordered = true;
|
||
break;
|
||
|
||
case SpvExecutionModePixelInterlockUnorderedEXT:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.pixel_interlock_unordered = true;
|
||
break;
|
||
|
||
case SpvExecutionModeSampleInterlockOrderedEXT:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.sample_interlock_ordered = true;
|
||
break;
|
||
|
||
case SpvExecutionModeSampleInterlockUnorderedEXT:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_FRAGMENT);
|
||
b->shader->info.fs.sample_interlock_unordered = true;
|
||
break;
|
||
|
||
case SpvExecutionModeDenormPreserve:
|
||
case SpvExecutionModeDenormFlushToZero:
|
||
case SpvExecutionModeSignedZeroInfNanPreserve:
|
||
case SpvExecutionModeRoundingModeRTE:
|
||
case SpvExecutionModeRoundingModeRTZ: {
|
||
unsigned execution_mode = 0;
|
||
switch (mode->exec_mode) {
|
||
case SpvExecutionModeDenormPreserve:
|
||
switch (mode->operands[0]) {
|
||
case 16: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP16; break;
|
||
case 32: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP32; break;
|
||
case 64: execution_mode = FLOAT_CONTROLS_DENORM_PRESERVE_FP64; break;
|
||
default: vtn_fail("Floating point type not supported");
|
||
}
|
||
break;
|
||
case SpvExecutionModeDenormFlushToZero:
|
||
switch (mode->operands[0]) {
|
||
case 16: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16; break;
|
||
case 32: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32; break;
|
||
case 64: execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP64; break;
|
||
default: vtn_fail("Floating point type not supported");
|
||
}
|
||
break;
|
||
case SpvExecutionModeSignedZeroInfNanPreserve:
|
||
switch (mode->operands[0]) {
|
||
case 16: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP16; break;
|
||
case 32: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP32; break;
|
||
case 64: execution_mode = FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP64; break;
|
||
default: vtn_fail("Floating point type not supported");
|
||
}
|
||
break;
|
||
case SpvExecutionModeRoundingModeRTE:
|
||
switch (mode->operands[0]) {
|
||
case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16; break;
|
||
case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32; break;
|
||
case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64; break;
|
||
default: vtn_fail("Floating point type not supported");
|
||
}
|
||
break;
|
||
case SpvExecutionModeRoundingModeRTZ:
|
||
switch (mode->operands[0]) {
|
||
case 16: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16; break;
|
||
case 32: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32; break;
|
||
case 64: execution_mode = FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64; break;
|
||
default: vtn_fail("Floating point type not supported");
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
b->shader->info.float_controls_execution_mode |= execution_mode;
|
||
|
||
for (unsigned bit_size = 16; bit_size <= 64; bit_size *= 2) {
|
||
vtn_fail_if(nir_is_denorm_flush_to_zero(b->shader->info.float_controls_execution_mode, bit_size) &&
|
||
nir_is_denorm_preserve(b->shader->info.float_controls_execution_mode, bit_size),
|
||
"Cannot flush to zero and preserve denorms for the same bit size.");
|
||
vtn_fail_if(nir_is_rounding_mode_rtne(b->shader->info.float_controls_execution_mode, bit_size) &&
|
||
nir_is_rounding_mode_rtz(b->shader->info.float_controls_execution_mode, bit_size),
|
||
"Cannot set rounding mode to RTNE and RTZ for the same bit size.");
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvExecutionModeLocalSizeId:
|
||
case SpvExecutionModeLocalSizeHintId:
|
||
/* Handled later by vtn_handle_execution_mode_id(). */
|
||
break;
|
||
|
||
case SpvExecutionModeSubgroupSize:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_KERNEL);
|
||
vtn_assert(b->shader->info.subgroup_size == SUBGROUP_SIZE_VARYING);
|
||
b->shader->info.subgroup_size = mode->operands[0];
|
||
break;
|
||
|
||
case SpvExecutionModeSubgroupUniformControlFlowKHR:
|
||
/* There's no corresponding SPIR-V capability, so check here. */
|
||
vtn_fail_if(!b->options->caps.subgroup_uniform_control_flow,
|
||
"SpvExecutionModeSubgroupUniformControlFlowKHR not supported.");
|
||
break;
|
||
|
||
default:
|
||
vtn_fail("Unhandled execution mode: %s (%u)",
|
||
spirv_executionmode_to_string(mode->exec_mode),
|
||
mode->exec_mode);
|
||
}
|
||
}
|
||
|
||
static void
|
||
vtn_handle_execution_mode_id(struct vtn_builder *b, struct vtn_value *entry_point,
|
||
const struct vtn_decoration *mode, UNUSED void *data)
|
||
{
|
||
|
||
vtn_assert(b->entry_point == entry_point);
|
||
|
||
switch (mode->exec_mode) {
|
||
case SpvExecutionModeLocalSizeId:
|
||
if (gl_shader_stage_uses_workgroup(b->shader->info.stage)) {
|
||
b->shader->info.workgroup_size[0] = vtn_constant_uint(b, mode->operands[0]);
|
||
b->shader->info.workgroup_size[1] = vtn_constant_uint(b, mode->operands[1]);
|
||
b->shader->info.workgroup_size[2] = vtn_constant_uint(b, mode->operands[2]);
|
||
} else {
|
||
vtn_fail("Execution mode LocalSizeId not supported in stage %s",
|
||
_mesa_shader_stage_to_string(b->shader->info.stage));
|
||
}
|
||
break;
|
||
|
||
case SpvExecutionModeLocalSizeHintId:
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_KERNEL);
|
||
b->shader->info.cs.workgroup_size_hint[0] = vtn_constant_uint(b, mode->operands[0]);
|
||
b->shader->info.cs.workgroup_size_hint[1] = vtn_constant_uint(b, mode->operands[1]);
|
||
b->shader->info.cs.workgroup_size_hint[2] = vtn_constant_uint(b, mode->operands[2]);
|
||
break;
|
||
|
||
default:
|
||
/* Nothing to do. Literal execution modes already handled by
|
||
* vtn_handle_execution_mode(). */
|
||
break;
|
||
}
|
||
}
|
||
|
||
static bool
|
||
vtn_handle_variable_or_type_instruction(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
vtn_set_instruction_result_type(b, opcode, w, count);
|
||
|
||
switch (opcode) {
|
||
case SpvOpSource:
|
||
case SpvOpSourceContinued:
|
||
case SpvOpSourceExtension:
|
||
case SpvOpExtension:
|
||
case SpvOpCapability:
|
||
case SpvOpExtInstImport:
|
||
case SpvOpMemoryModel:
|
||
case SpvOpEntryPoint:
|
||
case SpvOpExecutionMode:
|
||
case SpvOpString:
|
||
case SpvOpName:
|
||
case SpvOpMemberName:
|
||
case SpvOpDecorationGroup:
|
||
case SpvOpDecorate:
|
||
case SpvOpDecorateId:
|
||
case SpvOpMemberDecorate:
|
||
case SpvOpGroupDecorate:
|
||
case SpvOpGroupMemberDecorate:
|
||
case SpvOpDecorateString:
|
||
case SpvOpMemberDecorateString:
|
||
vtn_fail("Invalid opcode types and variables section");
|
||
break;
|
||
|
||
case SpvOpTypeVoid:
|
||
case SpvOpTypeBool:
|
||
case SpvOpTypeInt:
|
||
case SpvOpTypeFloat:
|
||
case SpvOpTypeVector:
|
||
case SpvOpTypeMatrix:
|
||
case SpvOpTypeImage:
|
||
case SpvOpTypeSampler:
|
||
case SpvOpTypeSampledImage:
|
||
case SpvOpTypeArray:
|
||
case SpvOpTypeRuntimeArray:
|
||
case SpvOpTypeStruct:
|
||
case SpvOpTypeOpaque:
|
||
case SpvOpTypePointer:
|
||
case SpvOpTypeForwardPointer:
|
||
case SpvOpTypeFunction:
|
||
case SpvOpTypeEvent:
|
||
case SpvOpTypeDeviceEvent:
|
||
case SpvOpTypeReserveId:
|
||
case SpvOpTypeQueue:
|
||
case SpvOpTypePipe:
|
||
case SpvOpTypeAccelerationStructureKHR:
|
||
case SpvOpTypeRayQueryKHR:
|
||
vtn_handle_type(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpConstantTrue:
|
||
case SpvOpConstantFalse:
|
||
case SpvOpConstant:
|
||
case SpvOpConstantComposite:
|
||
case SpvOpConstantNull:
|
||
case SpvOpSpecConstantTrue:
|
||
case SpvOpSpecConstantFalse:
|
||
case SpvOpSpecConstant:
|
||
case SpvOpSpecConstantComposite:
|
||
case SpvOpSpecConstantOp:
|
||
vtn_handle_constant(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpUndef:
|
||
case SpvOpVariable:
|
||
case SpvOpConstantSampler:
|
||
vtn_handle_variables(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpExtInst: {
|
||
struct vtn_value *val = vtn_value(b, w[3], vtn_value_type_extension);
|
||
/* NonSemantic extended instructions are acceptable in preamble, others
|
||
* will indicate the end of preamble.
|
||
*/
|
||
return val->ext_handler == vtn_handle_non_semantic_instruction;
|
||
}
|
||
|
||
default:
|
||
return false; /* End of preamble */
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
static struct vtn_ssa_value *
|
||
vtn_nir_select(struct vtn_builder *b, struct vtn_ssa_value *src0,
|
||
struct vtn_ssa_value *src1, struct vtn_ssa_value *src2)
|
||
{
|
||
struct vtn_ssa_value *dest = rzalloc(b, struct vtn_ssa_value);
|
||
dest->type = src1->type;
|
||
|
||
if (glsl_type_is_vector_or_scalar(src1->type)) {
|
||
dest->def = nir_bcsel(&b->nb, src0->def, src1->def, src2->def);
|
||
} else {
|
||
unsigned elems = glsl_get_length(src1->type);
|
||
|
||
dest->elems = ralloc_array(b, struct vtn_ssa_value *, elems);
|
||
for (unsigned i = 0; i < elems; i++) {
|
||
dest->elems[i] = vtn_nir_select(b, src0,
|
||
src1->elems[i], src2->elems[i]);
|
||
}
|
||
}
|
||
|
||
return dest;
|
||
}
|
||
|
||
static void
|
||
vtn_handle_select(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
/* Handle OpSelect up-front here because it needs to be able to handle
|
||
* pointers and not just regular vectors and scalars.
|
||
*/
|
||
struct vtn_value *res_val = vtn_untyped_value(b, w[2]);
|
||
struct vtn_value *cond_val = vtn_untyped_value(b, w[3]);
|
||
struct vtn_value *obj1_val = vtn_untyped_value(b, w[4]);
|
||
struct vtn_value *obj2_val = vtn_untyped_value(b, w[5]);
|
||
|
||
vtn_fail_if(obj1_val->type != res_val->type ||
|
||
obj2_val->type != res_val->type,
|
||
"Object types must match the result type in OpSelect");
|
||
|
||
vtn_fail_if((cond_val->type->base_type != vtn_base_type_scalar &&
|
||
cond_val->type->base_type != vtn_base_type_vector) ||
|
||
!glsl_type_is_boolean(cond_val->type->type),
|
||
"OpSelect must have either a vector of booleans or "
|
||
"a boolean as Condition type");
|
||
|
||
vtn_fail_if(cond_val->type->base_type == vtn_base_type_vector &&
|
||
(res_val->type->base_type != vtn_base_type_vector ||
|
||
res_val->type->length != cond_val->type->length),
|
||
"When Condition type in OpSelect is a vector, the Result "
|
||
"type must be a vector of the same length");
|
||
|
||
switch (res_val->type->base_type) {
|
||
case vtn_base_type_scalar:
|
||
case vtn_base_type_vector:
|
||
case vtn_base_type_matrix:
|
||
case vtn_base_type_array:
|
||
case vtn_base_type_struct:
|
||
/* OK. */
|
||
break;
|
||
case vtn_base_type_pointer:
|
||
/* We need to have actual storage for pointer types. */
|
||
vtn_fail_if(res_val->type->type == NULL,
|
||
"Invalid pointer result type for OpSelect");
|
||
break;
|
||
default:
|
||
vtn_fail("Result type of OpSelect must be a scalar, composite, or pointer");
|
||
}
|
||
|
||
vtn_push_ssa_value(b, w[2],
|
||
vtn_nir_select(b, vtn_ssa_value(b, w[3]),
|
||
vtn_ssa_value(b, w[4]),
|
||
vtn_ssa_value(b, w[5])));
|
||
}
|
||
|
||
static void
|
||
vtn_handle_ptr(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
struct vtn_type *type1 = vtn_get_value_type(b, w[3]);
|
||
struct vtn_type *type2 = vtn_get_value_type(b, w[4]);
|
||
vtn_fail_if(type1->base_type != vtn_base_type_pointer ||
|
||
type2->base_type != vtn_base_type_pointer,
|
||
"%s operands must have pointer types",
|
||
spirv_op_to_string(opcode));
|
||
vtn_fail_if(type1->storage_class != type2->storage_class,
|
||
"%s operands must have the same storage class",
|
||
spirv_op_to_string(opcode));
|
||
|
||
struct vtn_type *vtn_type = vtn_get_type(b, w[1]);
|
||
const struct glsl_type *type = vtn_type->type;
|
||
|
||
nir_address_format addr_format = vtn_mode_to_address_format(
|
||
b, vtn_storage_class_to_mode(b, type1->storage_class, NULL, NULL));
|
||
|
||
nir_ssa_def *def;
|
||
|
||
switch (opcode) {
|
||
case SpvOpPtrDiff: {
|
||
/* OpPtrDiff returns the difference in number of elements (not byte offset). */
|
||
unsigned elem_size, elem_align;
|
||
glsl_get_natural_size_align_bytes(type1->deref->type,
|
||
&elem_size, &elem_align);
|
||
|
||
def = nir_build_addr_isub(&b->nb,
|
||
vtn_get_nir_ssa(b, w[3]),
|
||
vtn_get_nir_ssa(b, w[4]),
|
||
addr_format);
|
||
def = nir_idiv(&b->nb, def, nir_imm_intN_t(&b->nb, elem_size, def->bit_size));
|
||
def = nir_i2i(&b->nb, def, glsl_get_bit_size(type));
|
||
break;
|
||
}
|
||
|
||
case SpvOpPtrEqual:
|
||
case SpvOpPtrNotEqual: {
|
||
def = nir_build_addr_ieq(&b->nb,
|
||
vtn_get_nir_ssa(b, w[3]),
|
||
vtn_get_nir_ssa(b, w[4]),
|
||
addr_format);
|
||
if (opcode == SpvOpPtrNotEqual)
|
||
def = nir_inot(&b->nb, def);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
unreachable("Invalid ptr operation");
|
||
}
|
||
|
||
vtn_push_nir_ssa(b, w[2], def);
|
||
}
|
||
|
||
static void
|
||
vtn_handle_ray_intrinsic(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
nir_intrinsic_instr *intrin;
|
||
|
||
switch (opcode) {
|
||
case SpvOpTraceNV:
|
||
case SpvOpTraceRayKHR: {
|
||
intrin = nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_trace_ray);
|
||
|
||
/* The sources are in the same order in the NIR intrinsic */
|
||
for (unsigned i = 0; i < 10; i++)
|
||
intrin->src[i] = nir_src_for_ssa(vtn_ssa_value(b, w[i + 1])->def);
|
||
|
||
nir_deref_instr *payload;
|
||
if (opcode == SpvOpTraceNV)
|
||
payload = vtn_get_call_payload_for_location(b, w[11]);
|
||
else
|
||
payload = vtn_nir_deref(b, w[11]);
|
||
intrin->src[10] = nir_src_for_ssa(&payload->dest.ssa);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
break;
|
||
}
|
||
|
||
case SpvOpReportIntersectionKHR: {
|
||
intrin = nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_report_ray_intersection);
|
||
intrin->src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[3])->def);
|
||
intrin->src[1] = nir_src_for_ssa(vtn_ssa_value(b, w[4])->def);
|
||
nir_ssa_dest_init(&intrin->instr, &intrin->dest, 1, 1, NULL);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
vtn_push_nir_ssa(b, w[2], &intrin->dest.ssa);
|
||
break;
|
||
}
|
||
|
||
case SpvOpIgnoreIntersectionNV:
|
||
intrin = nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_ignore_ray_intersection);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
break;
|
||
|
||
case SpvOpTerminateRayNV:
|
||
intrin = nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_terminate_ray);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
break;
|
||
|
||
case SpvOpExecuteCallableNV:
|
||
case SpvOpExecuteCallableKHR: {
|
||
intrin = nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_execute_callable);
|
||
intrin->src[0] = nir_src_for_ssa(vtn_ssa_value(b, w[1])->def);
|
||
nir_deref_instr *payload;
|
||
if (opcode == SpvOpExecuteCallableNV)
|
||
payload = vtn_get_call_payload_for_location(b, w[2]);
|
||
else
|
||
payload = vtn_nir_deref(b, w[2]);
|
||
intrin->src[1] = nir_src_for_ssa(&payload->dest.ssa);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
break;
|
||
}
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
}
|
||
|
||
static void
|
||
vtn_handle_write_packed_primitive_indices(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
vtn_assert(opcode == SpvOpWritePackedPrimitiveIndices4x8NV);
|
||
|
||
/* TODO(mesh): Use or create a primitive that allow the unpacking to
|
||
* happen in the backend. What we have here is functional but too
|
||
* blunt.
|
||
*/
|
||
|
||
struct vtn_type *offset_type = vtn_get_value_type(b, w[1]);
|
||
vtn_fail_if(offset_type->base_type != vtn_base_type_scalar ||
|
||
offset_type->type != glsl_uint_type(),
|
||
"Index Offset type of OpWritePackedPrimitiveIndices4x8NV "
|
||
"must be an OpTypeInt with 32-bit Width and 0 Signedness.");
|
||
|
||
struct vtn_type *packed_type = vtn_get_value_type(b, w[2]);
|
||
vtn_fail_if(packed_type->base_type != vtn_base_type_scalar ||
|
||
packed_type->type != glsl_uint_type(),
|
||
"Packed Indices type of OpWritePackedPrimitiveIndices4x8NV "
|
||
"must be an OpTypeInt with 32-bit Width and 0 Signedness.");
|
||
|
||
nir_deref_instr *indices = NULL;
|
||
nir_foreach_variable_with_modes(var, b->nb.shader, nir_var_shader_out) {
|
||
if (var->data.location == VARYING_SLOT_PRIMITIVE_INDICES) {
|
||
indices = nir_build_deref_var(&b->nb, var);
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* It may be the case that the variable is not present in the
|
||
* entry point interface list.
|
||
*
|
||
* See https://github.com/KhronosGroup/SPIRV-Registry/issues/104.
|
||
*/
|
||
|
||
if (!indices) {
|
||
unsigned vertices_per_prim =
|
||
num_mesh_vertices_per_primitive(b->shader->info.mesh.primitive_type);
|
||
unsigned max_prim_indices =
|
||
vertices_per_prim * b->shader->info.mesh.max_primitives_out;
|
||
const struct glsl_type *t =
|
||
glsl_array_type(glsl_uint_type(), max_prim_indices, 0);
|
||
nir_variable *var =
|
||
nir_variable_create(b->shader, nir_var_shader_out, t,
|
||
"gl_PrimitiveIndicesNV");
|
||
|
||
var->data.location = VARYING_SLOT_PRIMITIVE_INDICES;
|
||
var->data.interpolation = INTERP_MODE_NONE;
|
||
indices = nir_build_deref_var(&b->nb, var);
|
||
}
|
||
|
||
nir_ssa_def *offset = vtn_get_nir_ssa(b, w[1]);
|
||
nir_ssa_def *packed = vtn_get_nir_ssa(b, w[2]);
|
||
nir_ssa_def *unpacked = nir_unpack_bits(&b->nb, packed, 8);
|
||
for (int i = 0; i < 4; i++) {
|
||
nir_deref_instr *offset_deref =
|
||
nir_build_deref_array(&b->nb, indices,
|
||
nir_iadd_imm(&b->nb, offset, i));
|
||
nir_ssa_def *val = nir_u2u32(&b->nb, nir_channel(&b->nb, unpacked, i));
|
||
|
||
nir_store_deref(&b->nb, offset_deref, val, 0x1);
|
||
}
|
||
}
|
||
|
||
struct ray_query_value {
|
||
nir_ray_query_value nir_value;
|
||
const struct glsl_type *glsl_type;
|
||
};
|
||
|
||
static struct ray_query_value
|
||
spirv_to_nir_type_ray_query_intrinsic(struct vtn_builder *b,
|
||
SpvOp opcode)
|
||
{
|
||
switch (opcode) {
|
||
#define CASE(_spv, _nir, _type) case SpvOpRayQueryGet##_spv: \
|
||
return (struct ray_query_value) { .nir_value = nir_ray_query_value_##_nir, .glsl_type = _type }
|
||
CASE(RayTMinKHR, tmin, glsl_floatN_t_type(32));
|
||
CASE(RayFlagsKHR, flags, glsl_uint_type());
|
||
CASE(WorldRayDirectionKHR, world_ray_direction, glsl_vec_type(3));
|
||
CASE(WorldRayOriginKHR, world_ray_origin, glsl_vec_type(3));
|
||
CASE(IntersectionTypeKHR, intersection_type, glsl_uint_type());
|
||
CASE(IntersectionTKHR, intersection_t, glsl_floatN_t_type(32));
|
||
CASE(IntersectionInstanceCustomIndexKHR, intersection_instance_custom_index, glsl_int_type());
|
||
CASE(IntersectionInstanceIdKHR, intersection_instance_id, glsl_int_type());
|
||
CASE(IntersectionInstanceShaderBindingTableRecordOffsetKHR, intersection_instance_sbt_index, glsl_uint_type());
|
||
CASE(IntersectionGeometryIndexKHR, intersection_geometry_index, glsl_int_type());
|
||
CASE(IntersectionPrimitiveIndexKHR, intersection_primitive_index, glsl_int_type());
|
||
CASE(IntersectionBarycentricsKHR, intersection_barycentrics, glsl_vec_type(2));
|
||
CASE(IntersectionFrontFaceKHR, intersection_front_face, glsl_bool_type());
|
||
CASE(IntersectionCandidateAABBOpaqueKHR, intersection_candidate_aabb_opaque, glsl_bool_type());
|
||
CASE(IntersectionObjectToWorldKHR, intersection_object_to_world, glsl_matrix_type(glsl_get_base_type(glsl_float_type()), 3, 4));
|
||
CASE(IntersectionWorldToObjectKHR, intersection_world_to_object, glsl_matrix_type(glsl_get_base_type(glsl_float_type()), 3, 4));
|
||
CASE(IntersectionObjectRayOriginKHR, intersection_object_ray_origin, glsl_vec_type(3));
|
||
CASE(IntersectionObjectRayDirectionKHR, intersection_object_ray_direction, glsl_vec_type(3));
|
||
#undef CASE
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
}
|
||
|
||
static void
|
||
ray_query_load_intrinsic_create(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, nir_ssa_def *src0,
|
||
nir_ssa_def *src1)
|
||
{
|
||
struct ray_query_value value =
|
||
spirv_to_nir_type_ray_query_intrinsic(b, opcode);
|
||
|
||
if (glsl_type_is_matrix(value.glsl_type)) {
|
||
const struct glsl_type *elem_type = glsl_get_array_element(value.glsl_type);
|
||
const unsigned elems = glsl_get_length(value.glsl_type);
|
||
|
||
struct vtn_ssa_value *ssa = vtn_create_ssa_value(b, value.glsl_type);
|
||
for (unsigned i = 0; i < elems; i++) {
|
||
ssa->elems[i]->def =
|
||
nir_build_rq_load(&b->nb,
|
||
glsl_get_vector_elements(elem_type),
|
||
glsl_get_bit_size(elem_type),
|
||
src0, src1,
|
||
.base = value.nir_value,
|
||
.column = i);
|
||
}
|
||
|
||
vtn_push_ssa_value(b, w[2], ssa);
|
||
} else {
|
||
assert(glsl_type_is_vector_or_scalar(value.glsl_type));
|
||
|
||
vtn_push_nir_ssa(b, w[2],
|
||
nir_rq_load(&b->nb,
|
||
glsl_get_vector_elements(value.glsl_type),
|
||
glsl_get_bit_size(value.glsl_type),
|
||
src0, src1,
|
||
.base = value.nir_value));
|
||
}
|
||
}
|
||
|
||
static void
|
||
vtn_handle_ray_query_intrinsic(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpRayQueryInitializeKHR: {
|
||
nir_intrinsic_instr *intrin =
|
||
nir_intrinsic_instr_create(b->nb.shader,
|
||
nir_intrinsic_rq_initialize);
|
||
/* The sources are in the same order in the NIR intrinsic */
|
||
for (unsigned i = 0; i < 8; i++)
|
||
intrin->src[i] = nir_src_for_ssa(vtn_ssa_value(b, w[i + 1])->def);
|
||
nir_builder_instr_insert(&b->nb, &intrin->instr);
|
||
break;
|
||
}
|
||
|
||
case SpvOpRayQueryTerminateKHR:
|
||
nir_rq_terminate(&b->nb, vtn_ssa_value(b, w[1])->def);
|
||
break;
|
||
|
||
case SpvOpRayQueryProceedKHR:
|
||
vtn_push_nir_ssa(b, w[2],
|
||
nir_rq_proceed(&b->nb, 1, vtn_ssa_value(b, w[3])->def));
|
||
break;
|
||
|
||
case SpvOpRayQueryGenerateIntersectionKHR:
|
||
nir_rq_generate_intersection(&b->nb,
|
||
vtn_ssa_value(b, w[1])->def,
|
||
vtn_ssa_value(b, w[2])->def);
|
||
break;
|
||
|
||
case SpvOpRayQueryConfirmIntersectionKHR:
|
||
nir_rq_confirm_intersection(&b->nb, vtn_ssa_value(b, w[1])->def);
|
||
break;
|
||
|
||
case SpvOpRayQueryGetIntersectionTKHR:
|
||
case SpvOpRayQueryGetIntersectionTypeKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceCustomIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceIdKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR:
|
||
case SpvOpRayQueryGetIntersectionGeometryIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionPrimitiveIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionBarycentricsKHR:
|
||
case SpvOpRayQueryGetIntersectionFrontFaceKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectRayDirectionKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectRayOriginKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectToWorldKHR:
|
||
case SpvOpRayQueryGetIntersectionWorldToObjectKHR:
|
||
ray_query_load_intrinsic_create(b, opcode, w,
|
||
vtn_ssa_value(b, w[3])->def,
|
||
nir_i2b1(&b->nb, vtn_ssa_value(b, w[4])->def));
|
||
break;
|
||
|
||
case SpvOpRayQueryGetRayTMinKHR:
|
||
case SpvOpRayQueryGetRayFlagsKHR:
|
||
case SpvOpRayQueryGetWorldRayDirectionKHR:
|
||
case SpvOpRayQueryGetWorldRayOriginKHR:
|
||
case SpvOpRayQueryGetIntersectionCandidateAABBOpaqueKHR:
|
||
ray_query_load_intrinsic_create(b, opcode, w,
|
||
vtn_ssa_value(b, w[3])->def,
|
||
/* Committed value is ignored for these */
|
||
nir_imm_bool(&b->nb, false));
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
}
|
||
|
||
static bool
|
||
vtn_handle_body_instruction(struct vtn_builder *b, SpvOp opcode,
|
||
const uint32_t *w, unsigned count)
|
||
{
|
||
switch (opcode) {
|
||
case SpvOpLabel:
|
||
break;
|
||
|
||
case SpvOpLoopMerge:
|
||
case SpvOpSelectionMerge:
|
||
/* This is handled by cfg pre-pass and walk_blocks */
|
||
break;
|
||
|
||
case SpvOpUndef: {
|
||
struct vtn_value *val = vtn_push_value(b, w[2], vtn_value_type_undef);
|
||
val->type = vtn_get_type(b, w[1]);
|
||
break;
|
||
}
|
||
|
||
case SpvOpExtInst:
|
||
vtn_handle_extension(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpVariable:
|
||
case SpvOpLoad:
|
||
case SpvOpStore:
|
||
case SpvOpCopyMemory:
|
||
case SpvOpCopyMemorySized:
|
||
case SpvOpAccessChain:
|
||
case SpvOpPtrAccessChain:
|
||
case SpvOpInBoundsAccessChain:
|
||
case SpvOpInBoundsPtrAccessChain:
|
||
case SpvOpArrayLength:
|
||
case SpvOpConvertPtrToU:
|
||
case SpvOpConvertUToPtr:
|
||
case SpvOpGenericCastToPtrExplicit:
|
||
case SpvOpGenericPtrMemSemantics:
|
||
case SpvOpSubgroupBlockReadINTEL:
|
||
case SpvOpSubgroupBlockWriteINTEL:
|
||
case SpvOpConvertUToAccelerationStructureKHR:
|
||
vtn_handle_variables(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpFunctionCall:
|
||
vtn_handle_function_call(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpSampledImage:
|
||
case SpvOpImage:
|
||
case SpvOpImageSparseTexelsResident:
|
||
case SpvOpImageSampleImplicitLod:
|
||
case SpvOpImageSparseSampleImplicitLod:
|
||
case SpvOpImageSampleExplicitLod:
|
||
case SpvOpImageSparseSampleExplicitLod:
|
||
case SpvOpImageSampleDrefImplicitLod:
|
||
case SpvOpImageSparseSampleDrefImplicitLod:
|
||
case SpvOpImageSampleDrefExplicitLod:
|
||
case SpvOpImageSparseSampleDrefExplicitLod:
|
||
case SpvOpImageSampleProjImplicitLod:
|
||
case SpvOpImageSampleProjExplicitLod:
|
||
case SpvOpImageSampleProjDrefImplicitLod:
|
||
case SpvOpImageSampleProjDrefExplicitLod:
|
||
case SpvOpImageFetch:
|
||
case SpvOpImageSparseFetch:
|
||
case SpvOpImageGather:
|
||
case SpvOpImageSparseGather:
|
||
case SpvOpImageDrefGather:
|
||
case SpvOpImageSparseDrefGather:
|
||
case SpvOpImageQueryLod:
|
||
case SpvOpImageQueryLevels:
|
||
vtn_handle_texture(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpImageRead:
|
||
case SpvOpImageSparseRead:
|
||
case SpvOpImageWrite:
|
||
case SpvOpImageTexelPointer:
|
||
case SpvOpImageQueryFormat:
|
||
case SpvOpImageQueryOrder:
|
||
vtn_handle_image(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpImageQuerySamples:
|
||
case SpvOpImageQuerySizeLod:
|
||
case SpvOpImageQuerySize: {
|
||
struct vtn_type *image_type = vtn_get_value_type(b, w[3]);
|
||
vtn_assert(image_type->base_type == vtn_base_type_image);
|
||
if (glsl_type_is_image(image_type->glsl_image)) {
|
||
vtn_handle_image(b, opcode, w, count);
|
||
} else {
|
||
vtn_assert(glsl_type_is_texture(image_type->glsl_image));
|
||
vtn_handle_texture(b, opcode, w, count);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpFragmentMaskFetchAMD:
|
||
case SpvOpFragmentFetchAMD:
|
||
vtn_handle_texture(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpAtomicLoad:
|
||
case SpvOpAtomicExchange:
|
||
case SpvOpAtomicCompareExchange:
|
||
case SpvOpAtomicCompareExchangeWeak:
|
||
case SpvOpAtomicIIncrement:
|
||
case SpvOpAtomicIDecrement:
|
||
case SpvOpAtomicIAdd:
|
||
case SpvOpAtomicISub:
|
||
case SpvOpAtomicSMin:
|
||
case SpvOpAtomicUMin:
|
||
case SpvOpAtomicSMax:
|
||
case SpvOpAtomicUMax:
|
||
case SpvOpAtomicAnd:
|
||
case SpvOpAtomicOr:
|
||
case SpvOpAtomicXor:
|
||
case SpvOpAtomicFAddEXT:
|
||
case SpvOpAtomicFMinEXT:
|
||
case SpvOpAtomicFMaxEXT:
|
||
case SpvOpAtomicFlagTestAndSet: {
|
||
struct vtn_value *pointer = vtn_untyped_value(b, w[3]);
|
||
if (pointer->value_type == vtn_value_type_image_pointer) {
|
||
vtn_handle_image(b, opcode, w, count);
|
||
} else {
|
||
vtn_assert(pointer->value_type == vtn_value_type_pointer);
|
||
vtn_handle_atomics(b, opcode, w, count);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpAtomicStore:
|
||
case SpvOpAtomicFlagClear: {
|
||
struct vtn_value *pointer = vtn_untyped_value(b, w[1]);
|
||
if (pointer->value_type == vtn_value_type_image_pointer) {
|
||
vtn_handle_image(b, opcode, w, count);
|
||
} else {
|
||
vtn_assert(pointer->value_type == vtn_value_type_pointer);
|
||
vtn_handle_atomics(b, opcode, w, count);
|
||
}
|
||
break;
|
||
}
|
||
|
||
case SpvOpSelect:
|
||
vtn_handle_select(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpSNegate:
|
||
case SpvOpFNegate:
|
||
case SpvOpNot:
|
||
case SpvOpAny:
|
||
case SpvOpAll:
|
||
case SpvOpConvertFToU:
|
||
case SpvOpConvertFToS:
|
||
case SpvOpConvertSToF:
|
||
case SpvOpConvertUToF:
|
||
case SpvOpUConvert:
|
||
case SpvOpSConvert:
|
||
case SpvOpFConvert:
|
||
case SpvOpQuantizeToF16:
|
||
case SpvOpSatConvertSToU:
|
||
case SpvOpSatConvertUToS:
|
||
case SpvOpPtrCastToGeneric:
|
||
case SpvOpGenericCastToPtr:
|
||
case SpvOpIsNan:
|
||
case SpvOpIsInf:
|
||
case SpvOpIsFinite:
|
||
case SpvOpIsNormal:
|
||
case SpvOpSignBitSet:
|
||
case SpvOpLessOrGreater:
|
||
case SpvOpOrdered:
|
||
case SpvOpUnordered:
|
||
case SpvOpIAdd:
|
||
case SpvOpFAdd:
|
||
case SpvOpISub:
|
||
case SpvOpFSub:
|
||
case SpvOpIMul:
|
||
case SpvOpFMul:
|
||
case SpvOpUDiv:
|
||
case SpvOpSDiv:
|
||
case SpvOpFDiv:
|
||
case SpvOpUMod:
|
||
case SpvOpSRem:
|
||
case SpvOpSMod:
|
||
case SpvOpFRem:
|
||
case SpvOpFMod:
|
||
case SpvOpVectorTimesScalar:
|
||
case SpvOpDot:
|
||
case SpvOpIAddCarry:
|
||
case SpvOpISubBorrow:
|
||
case SpvOpUMulExtended:
|
||
case SpvOpSMulExtended:
|
||
case SpvOpShiftRightLogical:
|
||
case SpvOpShiftRightArithmetic:
|
||
case SpvOpShiftLeftLogical:
|
||
case SpvOpLogicalEqual:
|
||
case SpvOpLogicalNotEqual:
|
||
case SpvOpLogicalOr:
|
||
case SpvOpLogicalAnd:
|
||
case SpvOpLogicalNot:
|
||
case SpvOpBitwiseOr:
|
||
case SpvOpBitwiseXor:
|
||
case SpvOpBitwiseAnd:
|
||
case SpvOpIEqual:
|
||
case SpvOpFOrdEqual:
|
||
case SpvOpFUnordEqual:
|
||
case SpvOpINotEqual:
|
||
case SpvOpFOrdNotEqual:
|
||
case SpvOpFUnordNotEqual:
|
||
case SpvOpULessThan:
|
||
case SpvOpSLessThan:
|
||
case SpvOpFOrdLessThan:
|
||
case SpvOpFUnordLessThan:
|
||
case SpvOpUGreaterThan:
|
||
case SpvOpSGreaterThan:
|
||
case SpvOpFOrdGreaterThan:
|
||
case SpvOpFUnordGreaterThan:
|
||
case SpvOpULessThanEqual:
|
||
case SpvOpSLessThanEqual:
|
||
case SpvOpFOrdLessThanEqual:
|
||
case SpvOpFUnordLessThanEqual:
|
||
case SpvOpUGreaterThanEqual:
|
||
case SpvOpSGreaterThanEqual:
|
||
case SpvOpFOrdGreaterThanEqual:
|
||
case SpvOpFUnordGreaterThanEqual:
|
||
case SpvOpDPdx:
|
||
case SpvOpDPdy:
|
||
case SpvOpFwidth:
|
||
case SpvOpDPdxFine:
|
||
case SpvOpDPdyFine:
|
||
case SpvOpFwidthFine:
|
||
case SpvOpDPdxCoarse:
|
||
case SpvOpDPdyCoarse:
|
||
case SpvOpFwidthCoarse:
|
||
case SpvOpBitFieldInsert:
|
||
case SpvOpBitFieldSExtract:
|
||
case SpvOpBitFieldUExtract:
|
||
case SpvOpBitReverse:
|
||
case SpvOpBitCount:
|
||
case SpvOpTranspose:
|
||
case SpvOpOuterProduct:
|
||
case SpvOpMatrixTimesScalar:
|
||
case SpvOpVectorTimesMatrix:
|
||
case SpvOpMatrixTimesVector:
|
||
case SpvOpMatrixTimesMatrix:
|
||
case SpvOpUCountLeadingZerosINTEL:
|
||
case SpvOpUCountTrailingZerosINTEL:
|
||
case SpvOpAbsISubINTEL:
|
||
case SpvOpAbsUSubINTEL:
|
||
case SpvOpIAddSatINTEL:
|
||
case SpvOpUAddSatINTEL:
|
||
case SpvOpIAverageINTEL:
|
||
case SpvOpUAverageINTEL:
|
||
case SpvOpIAverageRoundedINTEL:
|
||
case SpvOpUAverageRoundedINTEL:
|
||
case SpvOpISubSatINTEL:
|
||
case SpvOpUSubSatINTEL:
|
||
case SpvOpIMul32x16INTEL:
|
||
case SpvOpUMul32x16INTEL:
|
||
vtn_handle_alu(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpSDotKHR:
|
||
case SpvOpUDotKHR:
|
||
case SpvOpSUDotKHR:
|
||
case SpvOpSDotAccSatKHR:
|
||
case SpvOpUDotAccSatKHR:
|
||
case SpvOpSUDotAccSatKHR:
|
||
vtn_handle_integer_dot(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpBitcast:
|
||
vtn_handle_bitcast(b, w, count);
|
||
break;
|
||
|
||
case SpvOpVectorExtractDynamic:
|
||
case SpvOpVectorInsertDynamic:
|
||
case SpvOpVectorShuffle:
|
||
case SpvOpCompositeConstruct:
|
||
case SpvOpCompositeExtract:
|
||
case SpvOpCompositeInsert:
|
||
case SpvOpCopyLogical:
|
||
case SpvOpCopyObject:
|
||
vtn_handle_composite(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpEmitVertex:
|
||
case SpvOpEndPrimitive:
|
||
case SpvOpEmitStreamVertex:
|
||
case SpvOpEndStreamPrimitive:
|
||
case SpvOpControlBarrier:
|
||
case SpvOpMemoryBarrier:
|
||
vtn_handle_barrier(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpGroupNonUniformElect:
|
||
case SpvOpGroupNonUniformAll:
|
||
case SpvOpGroupNonUniformAny:
|
||
case SpvOpGroupNonUniformAllEqual:
|
||
case SpvOpGroupNonUniformBroadcast:
|
||
case SpvOpGroupNonUniformBroadcastFirst:
|
||
case SpvOpGroupNonUniformBallot:
|
||
case SpvOpGroupNonUniformInverseBallot:
|
||
case SpvOpGroupNonUniformBallotBitExtract:
|
||
case SpvOpGroupNonUniformBallotBitCount:
|
||
case SpvOpGroupNonUniformBallotFindLSB:
|
||
case SpvOpGroupNonUniformBallotFindMSB:
|
||
case SpvOpGroupNonUniformShuffle:
|
||
case SpvOpGroupNonUniformShuffleXor:
|
||
case SpvOpGroupNonUniformShuffleUp:
|
||
case SpvOpGroupNonUniformShuffleDown:
|
||
case SpvOpGroupNonUniformIAdd:
|
||
case SpvOpGroupNonUniformFAdd:
|
||
case SpvOpGroupNonUniformIMul:
|
||
case SpvOpGroupNonUniformFMul:
|
||
case SpvOpGroupNonUniformSMin:
|
||
case SpvOpGroupNonUniformUMin:
|
||
case SpvOpGroupNonUniformFMin:
|
||
case SpvOpGroupNonUniformSMax:
|
||
case SpvOpGroupNonUniformUMax:
|
||
case SpvOpGroupNonUniformFMax:
|
||
case SpvOpGroupNonUniformBitwiseAnd:
|
||
case SpvOpGroupNonUniformBitwiseOr:
|
||
case SpvOpGroupNonUniformBitwiseXor:
|
||
case SpvOpGroupNonUniformLogicalAnd:
|
||
case SpvOpGroupNonUniformLogicalOr:
|
||
case SpvOpGroupNonUniformLogicalXor:
|
||
case SpvOpGroupNonUniformQuadBroadcast:
|
||
case SpvOpGroupNonUniformQuadSwap:
|
||
case SpvOpGroupAll:
|
||
case SpvOpGroupAny:
|
||
case SpvOpGroupBroadcast:
|
||
case SpvOpGroupIAdd:
|
||
case SpvOpGroupFAdd:
|
||
case SpvOpGroupFMin:
|
||
case SpvOpGroupUMin:
|
||
case SpvOpGroupSMin:
|
||
case SpvOpGroupFMax:
|
||
case SpvOpGroupUMax:
|
||
case SpvOpGroupSMax:
|
||
case SpvOpSubgroupBallotKHR:
|
||
case SpvOpSubgroupFirstInvocationKHR:
|
||
case SpvOpSubgroupReadInvocationKHR:
|
||
case SpvOpSubgroupAllKHR:
|
||
case SpvOpSubgroupAnyKHR:
|
||
case SpvOpSubgroupAllEqualKHR:
|
||
case SpvOpGroupIAddNonUniformAMD:
|
||
case SpvOpGroupFAddNonUniformAMD:
|
||
case SpvOpGroupFMinNonUniformAMD:
|
||
case SpvOpGroupUMinNonUniformAMD:
|
||
case SpvOpGroupSMinNonUniformAMD:
|
||
case SpvOpGroupFMaxNonUniformAMD:
|
||
case SpvOpGroupUMaxNonUniformAMD:
|
||
case SpvOpGroupSMaxNonUniformAMD:
|
||
case SpvOpSubgroupShuffleINTEL:
|
||
case SpvOpSubgroupShuffleDownINTEL:
|
||
case SpvOpSubgroupShuffleUpINTEL:
|
||
case SpvOpSubgroupShuffleXorINTEL:
|
||
vtn_handle_subgroup(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpPtrDiff:
|
||
case SpvOpPtrEqual:
|
||
case SpvOpPtrNotEqual:
|
||
vtn_handle_ptr(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpBeginInvocationInterlockEXT:
|
||
nir_begin_invocation_interlock(&b->nb);
|
||
break;
|
||
|
||
case SpvOpEndInvocationInterlockEXT:
|
||
nir_end_invocation_interlock(&b->nb);
|
||
break;
|
||
|
||
case SpvOpDemoteToHelperInvocation: {
|
||
nir_demote(&b->nb);
|
||
break;
|
||
}
|
||
|
||
case SpvOpIsHelperInvocationEXT: {
|
||
vtn_push_nir_ssa(b, w[2], nir_is_helper_invocation(&b->nb, 1));
|
||
break;
|
||
}
|
||
|
||
case SpvOpReadClockKHR: {
|
||
SpvScope scope = vtn_constant_uint(b, w[3]);
|
||
nir_scope nir_scope;
|
||
|
||
switch (scope) {
|
||
case SpvScopeDevice:
|
||
nir_scope = NIR_SCOPE_DEVICE;
|
||
break;
|
||
case SpvScopeSubgroup:
|
||
nir_scope = NIR_SCOPE_SUBGROUP;
|
||
break;
|
||
default:
|
||
vtn_fail("invalid read clock scope");
|
||
}
|
||
|
||
/* Operation supports two result types: uvec2 and uint64_t. The NIR
|
||
* intrinsic gives uvec2, so pack the result for the other case.
|
||
*/
|
||
nir_ssa_def *result = nir_shader_clock(&b->nb, nir_scope);
|
||
|
||
struct vtn_type *type = vtn_get_type(b, w[1]);
|
||
const struct glsl_type *dest_type = type->type;
|
||
|
||
if (glsl_type_is_vector(dest_type)) {
|
||
assert(dest_type == glsl_vector_type(GLSL_TYPE_UINT, 2));
|
||
} else {
|
||
assert(glsl_type_is_scalar(dest_type));
|
||
assert(glsl_get_base_type(dest_type) == GLSL_TYPE_UINT64);
|
||
result = nir_pack_64_2x32(&b->nb, result);
|
||
}
|
||
|
||
vtn_push_nir_ssa(b, w[2], result);
|
||
break;
|
||
}
|
||
|
||
case SpvOpTraceNV:
|
||
case SpvOpTraceRayKHR:
|
||
case SpvOpReportIntersectionKHR:
|
||
case SpvOpIgnoreIntersectionNV:
|
||
case SpvOpTerminateRayNV:
|
||
case SpvOpExecuteCallableNV:
|
||
case SpvOpExecuteCallableKHR:
|
||
vtn_handle_ray_intrinsic(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpRayQueryInitializeKHR:
|
||
case SpvOpRayQueryTerminateKHR:
|
||
case SpvOpRayQueryGenerateIntersectionKHR:
|
||
case SpvOpRayQueryConfirmIntersectionKHR:
|
||
case SpvOpRayQueryProceedKHR:
|
||
case SpvOpRayQueryGetIntersectionTypeKHR:
|
||
case SpvOpRayQueryGetRayTMinKHR:
|
||
case SpvOpRayQueryGetRayFlagsKHR:
|
||
case SpvOpRayQueryGetIntersectionTKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceCustomIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceIdKHR:
|
||
case SpvOpRayQueryGetIntersectionInstanceShaderBindingTableRecordOffsetKHR:
|
||
case SpvOpRayQueryGetIntersectionGeometryIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionPrimitiveIndexKHR:
|
||
case SpvOpRayQueryGetIntersectionBarycentricsKHR:
|
||
case SpvOpRayQueryGetIntersectionFrontFaceKHR:
|
||
case SpvOpRayQueryGetIntersectionCandidateAABBOpaqueKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectRayDirectionKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectRayOriginKHR:
|
||
case SpvOpRayQueryGetWorldRayDirectionKHR:
|
||
case SpvOpRayQueryGetWorldRayOriginKHR:
|
||
case SpvOpRayQueryGetIntersectionObjectToWorldKHR:
|
||
case SpvOpRayQueryGetIntersectionWorldToObjectKHR:
|
||
vtn_handle_ray_query_intrinsic(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpLifetimeStart:
|
||
case SpvOpLifetimeStop:
|
||
break;
|
||
|
||
case SpvOpGroupAsyncCopy:
|
||
case SpvOpGroupWaitEvents:
|
||
vtn_handle_opencl_core_instruction(b, opcode, w, count);
|
||
break;
|
||
|
||
case SpvOpWritePackedPrimitiveIndices4x8NV:
|
||
vtn_handle_write_packed_primitive_indices(b, opcode, w, count);
|
||
break;
|
||
|
||
default:
|
||
vtn_fail_with_opcode("Unhandled opcode", opcode);
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
struct vtn_builder*
|
||
vtn_create_builder(const uint32_t *words, size_t word_count,
|
||
gl_shader_stage stage, const char *entry_point_name,
|
||
const struct spirv_to_nir_options *options)
|
||
{
|
||
/* Initialize the vtn_builder object */
|
||
struct vtn_builder *b = rzalloc(NULL, struct vtn_builder);
|
||
struct spirv_to_nir_options *dup_options =
|
||
ralloc(b, struct spirv_to_nir_options);
|
||
*dup_options = *options;
|
||
|
||
b->spirv = words;
|
||
b->spirv_word_count = word_count;
|
||
b->file = NULL;
|
||
b->line = -1;
|
||
b->col = -1;
|
||
list_inithead(&b->functions);
|
||
b->entry_point_stage = stage;
|
||
b->entry_point_name = entry_point_name;
|
||
b->options = dup_options;
|
||
|
||
/*
|
||
* Handle the SPIR-V header (first 5 dwords).
|
||
* Can't use vtx_assert() as the setjmp(3) target isn't initialized yet.
|
||
*/
|
||
if (word_count <= 5)
|
||
goto fail;
|
||
|
||
if (words[0] != SpvMagicNumber) {
|
||
vtn_err("words[0] was 0x%x, want 0x%x", words[0], SpvMagicNumber);
|
||
goto fail;
|
||
}
|
||
|
||
b->version = words[1];
|
||
if (b->version < 0x10000) {
|
||
vtn_err("version was 0x%x, want >= 0x10000", b->version);
|
||
goto fail;
|
||
}
|
||
|
||
b->generator_id = words[2] >> 16;
|
||
uint16_t generator_version = words[2];
|
||
|
||
/* In GLSLang commit 8297936dd6eb3, their handling of barrier() was fixed
|
||
* to provide correct memory semantics on compute shader barrier()
|
||
* commands. Prior to that, we need to fix them up ourselves. This
|
||
* GLSLang fix caused them to bump to generator version 3.
|
||
*/
|
||
b->wa_glslang_cs_barrier =
|
||
(b->generator_id == vtn_generator_glslang_reference_front_end &&
|
||
generator_version < 3);
|
||
|
||
/* Identifying the LLVM-SPIRV translator:
|
||
*
|
||
* The LLVM-SPIRV translator currently doesn't store any generator ID [1].
|
||
* Our use case involving the SPIRV-Tools linker also mean we want to check
|
||
* for that tool instead. Finally the SPIRV-Tools linker also stores its
|
||
* generator ID in the wrong location [2].
|
||
*
|
||
* [1] : https://github.com/KhronosGroup/SPIRV-LLVM-Translator/pull/1223
|
||
* [2] : https://github.com/KhronosGroup/SPIRV-Tools/pull/4549
|
||
*/
|
||
const bool is_llvm_spirv_translator =
|
||
(b->generator_id == 0 &&
|
||
generator_version == vtn_generator_spirv_tools_linker) ||
|
||
b->generator_id == vtn_generator_spirv_tools_linker;
|
||
|
||
/* The LLVM-SPIRV translator generates Undef initializers for _local
|
||
* variables [1].
|
||
*
|
||
* [1] : https://github.com/KhronosGroup/SPIRV-LLVM-Translator/issues/1224
|
||
*/
|
||
b->wa_llvm_spirv_ignore_workgroup_initializer =
|
||
b->options->environment == NIR_SPIRV_OPENCL && is_llvm_spirv_translator;
|
||
|
||
/* words[2] == generator magic */
|
||
unsigned value_id_bound = words[3];
|
||
if (words[4] != 0) {
|
||
vtn_err("words[4] was %u, want 0", words[4]);
|
||
goto fail;
|
||
}
|
||
|
||
b->value_id_bound = value_id_bound;
|
||
b->values = rzalloc_array(b, struct vtn_value, value_id_bound);
|
||
|
||
if (b->options->environment == NIR_SPIRV_VULKAN && b->version < 0x10400)
|
||
b->vars_used_indirectly = _mesa_pointer_set_create(b);
|
||
|
||
return b;
|
||
fail:
|
||
ralloc_free(b);
|
||
return NULL;
|
||
}
|
||
|
||
static nir_function *
|
||
vtn_emit_kernel_entry_point_wrapper(struct vtn_builder *b,
|
||
nir_function *entry_point)
|
||
{
|
||
vtn_assert(entry_point == b->entry_point->func->nir_func);
|
||
vtn_fail_if(!entry_point->name, "entry points are required to have a name");
|
||
const char *func_name =
|
||
ralloc_asprintf(b->shader, "__wrapped_%s", entry_point->name);
|
||
|
||
vtn_assert(b->shader->info.stage == MESA_SHADER_KERNEL);
|
||
|
||
nir_function *main_entry_point = nir_function_create(b->shader, func_name);
|
||
main_entry_point->impl = nir_function_impl_create(main_entry_point);
|
||
nir_builder_init(&b->nb, main_entry_point->impl);
|
||
b->nb.cursor = nir_after_cf_list(&main_entry_point->impl->body);
|
||
b->func_param_idx = 0;
|
||
|
||
nir_call_instr *call = nir_call_instr_create(b->nb.shader, entry_point);
|
||
|
||
for (unsigned i = 0; i < entry_point->num_params; ++i) {
|
||
struct vtn_type *param_type = b->entry_point->func->type->params[i];
|
||
|
||
/* consider all pointers to function memory to be parameters passed
|
||
* by value
|
||
*/
|
||
bool is_by_val = param_type->base_type == vtn_base_type_pointer &&
|
||
param_type->storage_class == SpvStorageClassFunction;
|
||
|
||
/* input variable */
|
||
nir_variable *in_var = rzalloc(b->nb.shader, nir_variable);
|
||
|
||
if (is_by_val) {
|
||
in_var->data.mode = nir_var_uniform;
|
||
in_var->type = param_type->deref->type;
|
||
} else if (param_type->base_type == vtn_base_type_image) {
|
||
in_var->data.mode = nir_var_image;
|
||
in_var->type = param_type->glsl_image;
|
||
in_var->data.access =
|
||
spirv_to_gl_access_qualifier(b, param_type->access_qualifier);
|
||
} else if (param_type->base_type == vtn_base_type_sampler) {
|
||
in_var->data.mode = nir_var_uniform;
|
||
in_var->type = glsl_bare_sampler_type();
|
||
} else {
|
||
in_var->data.mode = nir_var_uniform;
|
||
in_var->type = param_type->type;
|
||
}
|
||
|
||
in_var->data.read_only = true;
|
||
in_var->data.location = i;
|
||
|
||
nir_shader_add_variable(b->nb.shader, in_var);
|
||
|
||
/* we have to copy the entire variable into function memory */
|
||
if (is_by_val) {
|
||
nir_variable *copy_var =
|
||
nir_local_variable_create(main_entry_point->impl, in_var->type,
|
||
"copy_in");
|
||
nir_copy_var(&b->nb, copy_var, in_var);
|
||
call->params[i] =
|
||
nir_src_for_ssa(&nir_build_deref_var(&b->nb, copy_var)->dest.ssa);
|
||
} else if (param_type->base_type == vtn_base_type_image ||
|
||
param_type->base_type == vtn_base_type_sampler) {
|
||
/* Don't load the var, just pass a deref of it */
|
||
call->params[i] = nir_src_for_ssa(&nir_build_deref_var(&b->nb, in_var)->dest.ssa);
|
||
} else {
|
||
call->params[i] = nir_src_for_ssa(nir_load_var(&b->nb, in_var));
|
||
}
|
||
}
|
||
|
||
nir_builder_instr_insert(&b->nb, &call->instr);
|
||
|
||
return main_entry_point;
|
||
}
|
||
|
||
static bool
|
||
can_remove(nir_variable *var, void *data)
|
||
{
|
||
const struct set *vars_used_indirectly = data;
|
||
return !_mesa_set_search(vars_used_indirectly, var);
|
||
}
|
||
|
||
nir_shader *
|
||
spirv_to_nir(const uint32_t *words, size_t word_count,
|
||
struct nir_spirv_specialization *spec, unsigned num_spec,
|
||
gl_shader_stage stage, const char *entry_point_name,
|
||
const struct spirv_to_nir_options *options,
|
||
const nir_shader_compiler_options *nir_options)
|
||
|
||
{
|
||
const uint32_t *word_end = words + word_count;
|
||
|
||
struct vtn_builder *b = vtn_create_builder(words, word_count,
|
||
stage, entry_point_name,
|
||
options);
|
||
|
||
if (b == NULL)
|
||
return NULL;
|
||
|
||
/* See also _vtn_fail() */
|
||
if (vtn_setjmp(b->fail_jump)) {
|
||
ralloc_free(b);
|
||
return NULL;
|
||
}
|
||
|
||
/* Skip the SPIR-V header, handled at vtn_create_builder */
|
||
words+= 5;
|
||
|
||
b->shader = nir_shader_create(b, stage, nir_options, NULL);
|
||
b->shader->info.subgroup_size = options->subgroup_size;
|
||
b->shader->info.float_controls_execution_mode = options->float_controls_execution_mode;
|
||
|
||
/* Handle all the preamble instructions */
|
||
words = vtn_foreach_instruction(b, words, word_end,
|
||
vtn_handle_preamble_instruction);
|
||
|
||
/* DirectXShaderCompiler and glslang/shaderc both create OpKill from HLSL's
|
||
* discard/clip, which uses demote semantics. DirectXShaderCompiler will use
|
||
* demote if the extension is enabled, so we disable this workaround in that
|
||
* case.
|
||
*
|
||
* Related glslang issue: https://github.com/KhronosGroup/glslang/issues/2416
|
||
*/
|
||
bool glslang = b->generator_id == vtn_generator_glslang_reference_front_end ||
|
||
b->generator_id == vtn_generator_shaderc_over_glslang;
|
||
bool dxsc = b->generator_id == vtn_generator_spiregg;
|
||
b->convert_discard_to_demote = ((dxsc && !b->uses_demote_to_helper_invocation) ||
|
||
(glslang && b->source_lang == SpvSourceLanguageHLSL)) &&
|
||
options->caps.demote_to_helper_invocation;
|
||
|
||
if (!options->create_library && b->entry_point == NULL) {
|
||
vtn_fail("Entry point not found for %s shader \"%s\"",
|
||
_mesa_shader_stage_to_string(stage), entry_point_name);
|
||
ralloc_free(b);
|
||
return NULL;
|
||
}
|
||
|
||
/* Ensure a sane address mode is being used for function temps */
|
||
assert(nir_address_format_bit_size(b->options->temp_addr_format) == nir_get_ptr_bitsize(b->shader));
|
||
assert(nir_address_format_num_components(b->options->temp_addr_format) == 1);
|
||
|
||
/* Set shader info defaults */
|
||
if (stage == MESA_SHADER_GEOMETRY)
|
||
b->shader->info.gs.invocations = 1;
|
||
|
||
/* Parse execution modes. */
|
||
if (!options->create_library)
|
||
vtn_foreach_execution_mode(b, b->entry_point,
|
||
vtn_handle_execution_mode, NULL);
|
||
|
||
b->specializations = spec;
|
||
b->num_specializations = num_spec;
|
||
|
||
/* Handle all variable, type, and constant instructions */
|
||
words = vtn_foreach_instruction(b, words, word_end,
|
||
vtn_handle_variable_or_type_instruction);
|
||
|
||
/* Parse execution modes that depend on IDs. Must happen after we have
|
||
* constants parsed.
|
||
*/
|
||
if (!options->create_library)
|
||
vtn_foreach_execution_mode(b, b->entry_point,
|
||
vtn_handle_execution_mode_id, NULL);
|
||
|
||
if (b->workgroup_size_builtin) {
|
||
vtn_assert(gl_shader_stage_uses_workgroup(stage));
|
||
vtn_assert(b->workgroup_size_builtin->type->type ==
|
||
glsl_vector_type(GLSL_TYPE_UINT, 3));
|
||
|
||
nir_const_value *const_size =
|
||
b->workgroup_size_builtin->constant->values;
|
||
|
||
b->shader->info.workgroup_size[0] = const_size[0].u32;
|
||
b->shader->info.workgroup_size[1] = const_size[1].u32;
|
||
b->shader->info.workgroup_size[2] = const_size[2].u32;
|
||
}
|
||
|
||
/* Set types on all vtn_values */
|
||
vtn_foreach_instruction(b, words, word_end, vtn_set_instruction_result_type);
|
||
|
||
vtn_build_cfg(b, words, word_end);
|
||
|
||
if (!options->create_library) {
|
||
assert(b->entry_point->value_type == vtn_value_type_function);
|
||
b->entry_point->func->referenced = true;
|
||
}
|
||
|
||
bool progress;
|
||
do {
|
||
progress = false;
|
||
vtn_foreach_cf_node(node, &b->functions) {
|
||
struct vtn_function *func = vtn_cf_node_as_function(node);
|
||
if ((options->create_library || func->referenced) && !func->emitted) {
|
||
b->const_table = _mesa_pointer_hash_table_create(b);
|
||
|
||
vtn_function_emit(b, func, vtn_handle_body_instruction);
|
||
progress = true;
|
||
}
|
||
}
|
||
} while (progress);
|
||
|
||
if (!options->create_library) {
|
||
vtn_assert(b->entry_point->value_type == vtn_value_type_function);
|
||
nir_function *entry_point = b->entry_point->func->nir_func;
|
||
vtn_assert(entry_point);
|
||
|
||
/* post process entry_points with input params */
|
||
if (entry_point->num_params && b->shader->info.stage == MESA_SHADER_KERNEL)
|
||
entry_point = vtn_emit_kernel_entry_point_wrapper(b, entry_point);
|
||
|
||
entry_point->is_entrypoint = true;
|
||
}
|
||
|
||
/* structurize the CFG */
|
||
nir_lower_goto_ifs(b->shader);
|
||
|
||
/* A SPIR-V module can have multiple shaders stages and also multiple
|
||
* shaders of the same stage. Global variables are declared per-module.
|
||
*
|
||
* Starting in SPIR-V 1.4 the list of global variables is part of
|
||
* OpEntryPoint, so only valid ones will be created. Previous versions
|
||
* only have Input and Output variables listed, so remove dead variables to
|
||
* clean up the remaining ones.
|
||
*/
|
||
if (!options->create_library && b->version < 0x10400) {
|
||
const nir_remove_dead_variables_options dead_opts = {
|
||
.can_remove_var = can_remove,
|
||
.can_remove_var_data = b->vars_used_indirectly,
|
||
};
|
||
nir_remove_dead_variables(b->shader, ~(nir_var_function_temp |
|
||
nir_var_shader_out |
|
||
nir_var_shader_in |
|
||
nir_var_system_value),
|
||
b->vars_used_indirectly ? &dead_opts : NULL);
|
||
}
|
||
|
||
nir_foreach_variable_in_shader(var, b->shader) {
|
||
switch (var->data.mode) {
|
||
case nir_var_mem_ubo:
|
||
b->shader->info.num_ubos++;
|
||
break;
|
||
case nir_var_mem_ssbo:
|
||
b->shader->info.num_ssbos++;
|
||
break;
|
||
case nir_var_mem_push_const:
|
||
vtn_assert(b->shader->num_uniforms == 0);
|
||
b->shader->num_uniforms =
|
||
glsl_get_explicit_size(glsl_without_array(var->type), false);
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* We sometimes generate bogus derefs that, while never used, give the
|
||
* validator a bit of heartburn. Run dead code to get rid of them.
|
||
*/
|
||
nir_opt_dce(b->shader);
|
||
|
||
/* Per SPV_KHR_workgroup_storage_explicit_layout, if one shared variable is
|
||
* a Block, all of them will be and Blocks are explicitly laid out.
|
||
*/
|
||
nir_foreach_variable_with_modes(var, b->shader, nir_var_mem_shared) {
|
||
if (glsl_type_is_interface(var->type)) {
|
||
assert(b->options->caps.workgroup_memory_explicit_layout);
|
||
b->shader->info.shared_memory_explicit_layout = true;
|
||
break;
|
||
}
|
||
}
|
||
if (b->shader->info.shared_memory_explicit_layout) {
|
||
unsigned size = 0;
|
||
nir_foreach_variable_with_modes(var, b->shader, nir_var_mem_shared) {
|
||
assert(glsl_type_is_interface(var->type));
|
||
const bool align_to_stride = false;
|
||
size = MAX2(size, glsl_get_explicit_size(var->type, align_to_stride));
|
||
}
|
||
b->shader->info.shared_size = size;
|
||
}
|
||
|
||
if (stage == MESA_SHADER_FRAGMENT) {
|
||
/* From the Vulkan 1.2.199 spec:
|
||
*
|
||
* "If a fragment shader entry point’s interface includes an input
|
||
* variable decorated with SamplePosition, Sample Shading is
|
||
* considered enabled with a minSampleShading value of 1.0."
|
||
*
|
||
* Similar text exists for SampleId. Regarding the Sample decoration,
|
||
* the Vulkan 1.2.199 spec says:
|
||
*
|
||
* "If a fragment shader input is decorated with Sample, a separate
|
||
* value must be assigned to that variable for each covered sample in
|
||
* the fragment, and that value must be sampled at the location of
|
||
* the individual sample. When rasterizationSamples is
|
||
* VK_SAMPLE_COUNT_1_BIT, the fragment center must be used for
|
||
* Centroid, Sample, and undecorated attribute interpolation."
|
||
*
|
||
* Unfortunately, this isn't quite as clear about static use and the
|
||
* interface but the static use check should be valid.
|
||
*
|
||
* For OpenGL, similar language exists but it's all more wishy-washy.
|
||
* We'll assume the same behavior across APIs.
|
||
*/
|
||
nir_foreach_variable_with_modes(var, b->shader,
|
||
nir_var_shader_in |
|
||
nir_var_system_value) {
|
||
struct nir_variable_data *members =
|
||
var->members ? var->members : &var->data;
|
||
uint16_t num_members = var->members ? var->num_members : 1;
|
||
for (uint16_t i = 0; i < num_members; i++) {
|
||
if (members[i].mode == nir_var_system_value &&
|
||
(members[i].location == SYSTEM_VALUE_SAMPLE_ID ||
|
||
members[i].location == SYSTEM_VALUE_SAMPLE_POS))
|
||
b->shader->info.fs.uses_sample_shading = true;
|
||
|
||
if (members[i].mode == nir_var_shader_in && members[i].sample)
|
||
b->shader->info.fs.uses_sample_shading = true;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Unparent the shader from the vtn_builder before we delete the builder */
|
||
ralloc_steal(NULL, b->shader);
|
||
|
||
nir_shader *shader = b->shader;
|
||
ralloc_free(b);
|
||
|
||
return shader;
|
||
}
|