mesa/src/compiler/clc/clc.c

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/*
* Copyright © Microsoft Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "nir/nir.h"
#include "nir/nir_serialize.h"
#include "glsl_types.h"
#include "nir_types.h"
#include "clc.h"
#include "clc_helpers.h"
#include "spirv/nir_spirv.h"
#include "util/u_debug.h"
#include <stdlib.h>
enum clc_debug_flags {
CLC_DEBUG_DUMP_SPIRV = 1 << 0,
CLC_DEBUG_VERBOSE = 1 << 1,
};
static const struct debug_named_value clc_debug_options[] = {
{ "dump_spirv", CLC_DEBUG_DUMP_SPIRV, "Dump spirv blobs" },
{ "verbose", CLC_DEBUG_VERBOSE, NULL },
DEBUG_NAMED_VALUE_END
};
DEBUG_GET_ONCE_FLAGS_OPTION(debug_clc, "CLC_DEBUG", clc_debug_options, 0)
static void
clc_print_kernels_info(const struct clc_parsed_spirv *obj)
{
fprintf(stdout, "Kernels:\n");
for (unsigned i = 0; i < obj->num_kernels; i++) {
const struct clc_kernel_arg *args = obj->kernels[i].args;
bool first = true;
fprintf(stdout, "\tvoid %s(", obj->kernels[i].name);
for (unsigned j = 0; j < obj->kernels[i].num_args; j++) {
if (!first)
fprintf(stdout, ", ");
else
first = false;
switch (args[j].address_qualifier) {
case CLC_KERNEL_ARG_ADDRESS_GLOBAL:
fprintf(stdout, "__global ");
break;
case CLC_KERNEL_ARG_ADDRESS_LOCAL:
fprintf(stdout, "__local ");
break;
case CLC_KERNEL_ARG_ADDRESS_CONSTANT:
fprintf(stdout, "__constant ");
break;
default:
break;
}
if (args[j].type_qualifier & CLC_KERNEL_ARG_TYPE_VOLATILE)
fprintf(stdout, "volatile ");
if (args[j].type_qualifier & CLC_KERNEL_ARG_TYPE_CONST)
fprintf(stdout, "const ");
if (args[j].type_qualifier & CLC_KERNEL_ARG_TYPE_RESTRICT)
fprintf(stdout, "restrict ");
fprintf(stdout, "%s %s", args[j].type_name, args[j].name);
}
fprintf(stdout, ");\n");
}
}
static void
clc_libclc_optimize(nir_shader *s)
{
bool progress;
do {
progress = false;
NIR_PASS(progress, s, nir_split_var_copies);
NIR_PASS(progress, s, nir_opt_copy_prop_vars);
NIR_PASS(progress, s, nir_lower_var_copies);
NIR_PASS(progress, s, nir_lower_vars_to_ssa);
NIR_PASS(progress, s, nir_copy_prop);
NIR_PASS(progress, s, nir_opt_remove_phis);
NIR_PASS(progress, s, nir_opt_dce);
NIR_PASS(progress, s, nir_opt_if, true);
NIR_PASS(progress, s, nir_opt_dead_cf);
NIR_PASS(progress, s, nir_opt_cse);
NIR_PASS(progress, s, nir_opt_peephole_select, 8, true, true);
NIR_PASS(progress, s, nir_opt_algebraic);
NIR_PASS(progress, s, nir_opt_constant_folding);
NIR_PASS(progress, s, nir_opt_undef);
NIR_PASS(progress, s, nir_lower_undef_to_zero);
NIR_PASS(progress, s, nir_opt_deref);
} while (progress);
}
struct clc_libclc {
const nir_shader *libclc_nir;
};
struct clc_libclc *
clc_libclc_new(const struct clc_logger *logger, const struct clc_libclc_options *options)
{
struct clc_libclc *ctx = rzalloc(NULL, struct clc_libclc);
if (!ctx) {
clc_error(logger, "D3D12: failed to allocate a clc_libclc");
return NULL;
}
const struct spirv_to_nir_options libclc_spirv_options = {
.environment = NIR_SPIRV_OPENCL,
.create_library = true,
.constant_addr_format = nir_address_format_32bit_index_offset_pack64,
.global_addr_format = nir_address_format_32bit_index_offset_pack64,
.shared_addr_format = nir_address_format_32bit_offset_as_64bit,
.temp_addr_format = nir_address_format_32bit_offset_as_64bit,
.float_controls_execution_mode = FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32,
.caps = {
.address = true,
.float64 = true,
.int8 = true,
.int16 = true,
.int64 = true,
.kernel = true,
},
};
glsl_type_singleton_init_or_ref();
nir_shader *s = nir_load_libclc_shader(64, NULL, &libclc_spirv_options, options->nir_options);
if (!s) {
clc_error(logger, "D3D12: spirv_to_nir failed on libclc blob");
ralloc_free(ctx);
return NULL;
}
if (options && options->optimize)
clc_libclc_optimize(s);
ralloc_steal(ctx, s);
ctx->libclc_nir = s;
return ctx;
}
void clc_free_libclc(struct clc_libclc *ctx)
{
ralloc_free(ctx);
glsl_type_singleton_decref();
}
const nir_shader *clc_libclc_get_clc_shader(struct clc_libclc *ctx)
{
return ctx->libclc_nir;
}
void clc_libclc_serialize(struct clc_libclc *context,
void **serialized,
size_t *serialized_size)
{
struct blob tmp;
blob_init(&tmp);
nir_serialize(&tmp, context->libclc_nir, true);
blob_finish_get_buffer(&tmp, serialized, serialized_size);
}
void clc_libclc_free_serialized(void *serialized)
{
free(serialized);
}
struct clc_libclc *
clc_libclc_deserialize(const void *serialized, size_t serialized_size)
{
struct clc_libclc *ctx = rzalloc(NULL, struct clc_libclc);
if (!ctx) {
return NULL;
}
glsl_type_singleton_init_or_ref();
struct blob_reader tmp;
blob_reader_init(&tmp, serialized, serialized_size);
nir_shader *s = nir_deserialize(NULL, NULL, &tmp);
if (!s) {
ralloc_free(ctx);
return NULL;
}
ralloc_steal(ctx, s);
ctx->libclc_nir = s;
return ctx;
}
bool
clc_compile_c_to_spir(const struct clc_compile_args *args,
const struct clc_logger *logger,
struct clc_binary *out_spir)
{
return clc_c_to_spir(args, logger, out_spir) >= 0;
}
void
clc_free_spir(struct clc_binary *spir)
{
clc_free_spir_binary(spir);
}
bool
clc_compile_spir_to_spirv(const struct clc_binary *in_spir,
const struct clc_logger *logger,
struct clc_binary *out_spirv)
{
if (clc_spir_to_spirv(in_spir, logger, out_spirv) < 0)
return false;
if (debug_get_option_debug_clc() & CLC_DEBUG_DUMP_SPIRV)
clc_dump_spirv(out_spirv, stdout);
return true;
}
void
clc_free_spirv(struct clc_binary *spirv)
{
clc_free_spirv_binary(spirv);
}
bool
clc_compile_c_to_spirv(const struct clc_compile_args *args,
const struct clc_logger *logger,
struct clc_binary *out_spirv)
{
if (clc_c_to_spirv(args, logger, out_spirv) < 0)
return false;
if (debug_get_option_debug_clc() & CLC_DEBUG_DUMP_SPIRV)
clc_dump_spirv(out_spirv, stdout);
return true;
}
bool
clc_link_spirv(const struct clc_linker_args *args,
const struct clc_logger *logger,
struct clc_binary *out_spirv)
{
if (clc_link_spirv_binaries(args, logger, out_spirv) < 0)
return false;
if (debug_get_option_debug_clc() & CLC_DEBUG_DUMP_SPIRV)
clc_dump_spirv(out_spirv, stdout);
return true;
}
bool
clc_parse_spirv(const struct clc_binary *in_spirv,
const struct clc_logger *logger,
struct clc_parsed_spirv *out_data)
{
if (!clc_spirv_get_kernels_info(in_spirv,
&out_data->kernels,
&out_data->num_kernels,
&out_data->spec_constants,
&out_data->num_spec_constants,
logger))
return false;
if (debug_get_option_debug_clc() & CLC_DEBUG_VERBOSE)
clc_print_kernels_info(out_data);
return true;
}
void clc_free_parsed_spirv(struct clc_parsed_spirv *data)
{
clc_free_kernels_info(data->kernels, data->num_kernels);
}
bool
clc_specialize_spirv(const struct clc_binary *in_spirv,
const struct clc_parsed_spirv *parsed_data,
const struct clc_spirv_specialization_consts *consts,
struct clc_binary *out_spirv)
{
if (!clc_spirv_specialize(in_spirv, parsed_data, consts, out_spirv))
return false;
if (debug_get_option_debug_clc() & CLC_DEBUG_DUMP_SPIRV)
clc_dump_spirv(out_spirv, stdout);
return true;
}