309 lines
11 KiB
C
309 lines
11 KiB
C
/*
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* Copyright © 2018 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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#include "nir.h"
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#include "gl_nir_linker.h"
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#include "compiler/glsl/ir_uniform.h" /* for gl_uniform_storage */
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#include "main/context.h"
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#include "main/mtypes.h"
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struct set_opaque_binding_closure {
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struct gl_shader_program *shader_prog;
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struct gl_program *prog;
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const nir_variable *var;
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int binding;
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int location;
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};
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static void
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set_opaque_binding(struct set_opaque_binding_closure *data,
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const struct glsl_type *type)
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{
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if (glsl_type_is_array(type) &&
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glsl_type_is_array(glsl_get_array_element(type))) {
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const struct glsl_type *element_type = glsl_get_array_element(type);
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for (unsigned int i = 0; i < glsl_get_length(type); i++)
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set_opaque_binding(data, element_type);
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return;
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}
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if (data->location < 0 ||
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data->location >= data->prog->sh.data->NumUniformStorage)
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return;
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struct gl_uniform_storage *storage =
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data->prog->sh.data->UniformStorage + data->location++;
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const unsigned elements = MAX2(storage->array_elements, 1);
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for (unsigned int i = 0; i < elements; i++)
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storage->storage[i].i = data->binding++;
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for (int sh = 0; sh < MESA_SHADER_STAGES; sh++) {
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struct gl_linked_shader *shader = data->shader_prog->_LinkedShaders[sh];
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if (!shader)
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continue;
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if (!storage->opaque[sh].active)
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continue;
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if (glsl_type_is_sampler(storage->type)) {
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for (unsigned i = 0; i < elements; i++) {
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const unsigned index = storage->opaque[sh].index + i;
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if (storage->is_bindless) {
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if (index >= shader->Program->sh.NumBindlessSamplers)
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break;
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shader->Program->sh.BindlessSamplers[index].unit =
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storage->storage[i].i;
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shader->Program->sh.BindlessSamplers[index].bound = true;
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shader->Program->sh.HasBoundBindlessSampler = true;
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} else {
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if (index >= ARRAY_SIZE(shader->Program->SamplerUnits))
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break;
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shader->Program->SamplerUnits[index] =
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storage->storage[i].i;
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}
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}
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} else if (glsl_type_is_image(storage->type)) {
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for (unsigned i = 0; i < elements; i++) {
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const unsigned index = storage->opaque[sh].index + i;
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if (storage->is_bindless) {
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if (index >= shader->Program->sh.NumBindlessImages)
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break;
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shader->Program->sh.BindlessImages[index].unit =
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storage->storage[i].i;
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shader->Program->sh.BindlessImages[index].bound = true;
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shader->Program->sh.HasBoundBindlessImage = true;
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} else {
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if (index >= ARRAY_SIZE(shader->Program->sh.ImageUnits))
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break;
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shader->Program->sh.ImageUnits[index] =
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storage->storage[i].i;
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}
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}
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}
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}
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}
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static void
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copy_constant_to_storage(union gl_constant_value *storage,
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const nir_constant *val,
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const struct glsl_type *type,
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unsigned int boolean_true)
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{
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const enum glsl_base_type base_type = glsl_get_base_type(type);
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const unsigned n_columns = glsl_get_matrix_columns(type);
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const unsigned n_rows = glsl_get_vector_elements(type);
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unsigned dmul = glsl_base_type_is_64bit(base_type) ? 2 : 1;
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int i = 0;
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if (n_columns > 1) {
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const struct glsl_type *column_type = glsl_get_column_type(type);
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for (unsigned int column = 0; column < n_columns; column++) {
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copy_constant_to_storage(&storage[i], val->elements[column],
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column_type, boolean_true);
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i += n_rows * dmul;
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}
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} else {
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for (unsigned int row = 0; row < n_rows; row++) {
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switch (base_type) {
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case GLSL_TYPE_UINT:
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storage[i].u = val->values[row].u32;
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break;
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case GLSL_TYPE_INT:
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case GLSL_TYPE_SAMPLER:
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storage[i].i = val->values[row].i32;
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break;
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case GLSL_TYPE_FLOAT:
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storage[i].f = val->values[row].f32;
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break;
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case GLSL_TYPE_DOUBLE:
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case GLSL_TYPE_UINT64:
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case GLSL_TYPE_INT64:
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/* XXX need to check on big-endian */
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memcpy(&storage[i].u, &val->values[row].f64, sizeof(double));
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break;
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case GLSL_TYPE_BOOL:
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storage[i].b = val->values[row].u32 ? boolean_true : 0;
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break;
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case GLSL_TYPE_ARRAY:
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case GLSL_TYPE_STRUCT:
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case GLSL_TYPE_TEXTURE:
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case GLSL_TYPE_IMAGE:
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case GLSL_TYPE_ATOMIC_UINT:
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case GLSL_TYPE_INTERFACE:
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case GLSL_TYPE_VOID:
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case GLSL_TYPE_SUBROUTINE:
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case GLSL_TYPE_FUNCTION:
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case GLSL_TYPE_ERROR:
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case GLSL_TYPE_UINT16:
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case GLSL_TYPE_INT16:
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case GLSL_TYPE_UINT8:
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case GLSL_TYPE_INT8:
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case GLSL_TYPE_FLOAT16:
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/* All other types should have already been filtered by other
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* paths in the caller.
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*/
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assert(!"Should not get here.");
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break;
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}
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i += dmul;
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}
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}
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}
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struct set_uniform_initializer_closure {
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struct gl_shader_program *shader_prog;
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struct gl_program *prog;
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const nir_variable *var;
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int location;
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unsigned int boolean_true;
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};
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static void
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set_uniform_initializer(struct set_uniform_initializer_closure *data,
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const struct glsl_type *type,
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const nir_constant *val)
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{
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const struct glsl_type *t_without_array = glsl_without_array(type);
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if (glsl_type_is_struct_or_ifc(type)) {
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for (unsigned int i = 0; i < glsl_get_length(type); i++) {
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const struct glsl_type *field_type = glsl_get_struct_field(type, i);
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set_uniform_initializer(data, field_type, val->elements[i]);
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}
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return;
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}
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if (glsl_type_is_struct_or_ifc(t_without_array) ||
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(glsl_type_is_array(type) &&
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glsl_type_is_array(glsl_get_array_element(type)))) {
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const struct glsl_type *element_type = glsl_get_array_element(type);
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for (unsigned int i = 0; i < glsl_get_length(type); i++)
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set_uniform_initializer(data, element_type, val->elements[i]);
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return;
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}
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if (data->location < 0 ||
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data->location >= data->prog->sh.data->NumUniformStorage)
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return;
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struct gl_uniform_storage *storage =
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data->prog->sh.data->UniformStorage + data->location++;
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if (glsl_type_is_array(type)) {
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const struct glsl_type *element_type = glsl_get_array_element(type);
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const enum glsl_base_type base_type = glsl_get_base_type(element_type);
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const unsigned int elements = glsl_get_components(element_type);
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unsigned int idx = 0;
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unsigned dmul = glsl_base_type_is_64bit(base_type) ? 2 : 1;
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assert(glsl_get_length(type) >= storage->array_elements);
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for (unsigned int i = 0; i < storage->array_elements; i++) {
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copy_constant_to_storage(&storage->storage[idx],
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val->elements[i],
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element_type,
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data->boolean_true);
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idx += elements * dmul;
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}
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} else {
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copy_constant_to_storage(storage->storage,
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val,
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type,
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data->boolean_true);
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if (glsl_type_is_sampler(storage->type)) {
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for (int sh = 0; sh < MESA_SHADER_STAGES; sh++) {
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struct gl_linked_shader *shader =
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data->shader_prog->_LinkedShaders[sh];
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if (shader && storage->opaque[sh].active) {
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unsigned index = storage->opaque[sh].index;
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shader->Program->SamplerUnits[index] = storage->storage[0].i;
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}
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}
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}
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}
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}
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void
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gl_nir_set_uniform_initializers(struct gl_context *ctx,
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struct gl_shader_program *prog)
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{
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for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
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struct gl_linked_shader *sh = prog->_LinkedShaders[i];
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if (!sh)
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continue;
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nir_shader *nir = sh->Program->nir;
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assert(nir);
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nir_foreach_gl_uniform_variable(var, nir) {
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if (var->constant_initializer) {
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struct set_uniform_initializer_closure data = {
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.shader_prog = prog,
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.prog = sh->Program,
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.var = var,
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.location = var->data.location,
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.boolean_true = ctx->Const.UniformBooleanTrue
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};
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set_uniform_initializer(&data,
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var->type,
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var->constant_initializer);
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} else if (var->data.explicit_binding) {
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if (nir_variable_is_in_block(var)) {
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/* This case is handled by link_uniform_blocks */
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continue;
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}
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const struct glsl_type *without_array =
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glsl_without_array(var->type);
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if (glsl_type_is_sampler(without_array) ||
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glsl_type_is_image(without_array)) {
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struct set_opaque_binding_closure data = {
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.shader_prog = prog,
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.prog = sh->Program,
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.var = var,
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.binding = var->data.binding,
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.location = var->data.location
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};
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set_opaque_binding(&data, var->type);
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}
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}
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}
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}
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memcpy(prog->data->UniformDataDefaults, prog->data->UniformDataSlots,
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sizeof(union gl_constant_value) * prog->data->NumUniformDataSlots);
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}
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