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experimental optimization for spirv

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This commit is contained in:
Crimson-Hawk
2024-04-25 21:14:30 +08:00
parent e4ae2030ec
commit 4b54749954
10 changed files with 64 additions and 10 deletions
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26
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@@ -6,6 +6,7 @@
#include <type_traits>
#include <utility>
#include <vector>
#include <spirv-tools/optimizer.hpp>
#include "common/settings.h"
#include "shader_recompiler/backend/spirv/emit_spirv.h"
@@ -481,7 +482,7 @@ void PatchPhiNodes(IR::Program& program, EmitContext& ctx) {
} // Anonymous namespace
std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info,
IR::Program& program, Bindings& bindings) {
IR::Program& program, Bindings& bindings, bool optimize) {
EmitContext ctx{profile, runtime_info, program, bindings};
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(program, ctx, main);
@@ -493,7 +494,28 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
SetupCapabilities(profile, program.info, ctx);
SetupTransformFeedbackCapabilities(ctx, main);
PatchPhiNodes(program, ctx);
return ctx.Assemble();
if (!optimize) {
return ctx.Assemble();
} else {
std::vector<u32> spirv = ctx.Assemble();
spvtools::Optimizer spv_opt(SPV_ENV_VULKAN_1_3);
spv_opt.SetMessageConsumer([](spv_message_level_t, const char*, const spv_position_t&,
const char* m) { LOG_ERROR(HW_GPU, "spirv-opt: {}", m); });
spv_opt.RegisterPerformancePasses();
spvtools::OptimizerOptions opt_options;
opt_options.set_run_validator(false);
std::vector<u32> result;
if (!spv_opt.Run(spirv.data(), spirv.size(), &result, opt_options)) {
LOG_ERROR(HW_GPU,
"Failed to optimize SPIRV shader output, continuing without optimization");
result = std::move(spirv);
}
return result;
}
}
Id EmitPhi(EmitContext& ctx, IR::Inst* inst) {