[spirv] nuke spirv-opt (#3877)
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lots of AGILEism in spirv-opt
theres BETTER alternatives like https://github.com/renderbag/re-spirv (im not gonna bother for now, it probably has shitty build system)
it sucks

the IR already resolves most of the shader code to just constant load/stores
Spirv-opt passes do not seem to make such a big difference
only introduce extra latency
like for example cbuf pass in IR already removes a lot of code, that spirv_opt would otherwise miss due to the fact it doesn't have cbuf information

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3877
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>
Reviewed-by: crueter <crueter@eden-emu.dev>
This commit is contained in:
lizzie 2026-04-25 21:54:27 +02:00 committed by crueter
parent bd6dd7ecec
commit 17e2be173c
No known key found for this signature in database
GPG key ID: 425ACD2D4830EBC6
19 changed files with 14 additions and 431 deletions

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@ -243,7 +243,7 @@ add_library(shader_recompiler STATIC
)
target_link_libraries(shader_recompiler PUBLIC common fmt::fmt sirit::sirit SPIRV-Tools::SPIRV-Tools)
target_link_libraries(shader_recompiler PUBLIC common fmt::fmt sirit::sirit)
if (MSVC)
target_compile_options(shader_recompiler PRIVATE

View file

@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@ -9,7 +9,6 @@
#include <type_traits>
#include <utility>
#include <vector>
#include <spirv-tools/optimizer.hpp>
#include "common/settings.h"
#include "shader_recompiler/backend/spirv/emit_spirv.h"
@ -22,15 +21,7 @@ namespace Shader::Backend::SPIRV {
namespace {
template <class Func>
struct FuncTraits {};
thread_local std::unique_ptr<spvtools::Optimizer> thread_optimizer;
spvtools::Optimizer& GetThreadOptimizer() {
if (!thread_optimizer) {
thread_optimizer = std::make_unique<spvtools::Optimizer>(SPV_ENV_VULKAN_1_3);
thread_optimizer->RegisterPerformancePasses();
}
return *thread_optimizer;
}
template <class ReturnType_, class... Args>
struct FuncTraits<ReturnType_ (*)(Args...)> {
using ReturnType = ReturnType_;
@ -501,8 +492,7 @@ 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, bool optimize) {
std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info, IR::Program& program, Bindings& bindings) {
EmitContext ctx{profile, runtime_info, program, bindings};
const Id main{DefineMain(ctx, program)};
DefineEntryPoint(program, ctx, main);
@ -514,29 +504,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_in
SetupCapabilities(profile, program.info, ctx);
SetupTransformFeedbackCapabilities(ctx, main);
PatchPhiNodes(program, ctx);
if (!optimize) {
return ctx.Assemble();
} else {
std::vector<u32> spirv = ctx.Assemble();
// Use thread-local optimizer instead of creating a new one
auto& spv_opt = GetThreadOptimizer();
spv_opt.SetMessageConsumer([](spv_message_level_t, const char*, const spv_position_t&, const char* m) {
LOG_ERROR(HW_GPU, "spirv-opt: {}", m);
});
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;
}
return ctx.Assemble();
}
Id EmitPhi(EmitContext& ctx, IR::Inst* inst) {

View file

@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
@ -33,13 +33,10 @@ constexpr u32 RESCALING_LAYOUT_WORDS_OFFSET = offsetof(RescalingLayout, rescalin
constexpr u32 RESCALING_LAYOUT_DOWN_FACTOR_OFFSET = offsetof(RescalingLayout, down_factor);
constexpr u32 RENDERAREA_LAYOUT_OFFSET = offsetof(RenderAreaLayout, render_area);
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info,
IR::Program& program, Bindings& bindings, bool optimize);
[[nodiscard]] inline std::vector<u32> EmitSPIRV(const Profile& profile, IR::Program& program,
bool optimize) {
[[nodiscard]] std::vector<u32> EmitSPIRV(const Profile& profile, const RuntimeInfo& runtime_info, IR::Program& program, Bindings& bindings);
[[nodiscard]] inline std::vector<u32> EmitSPIRV(const Profile& profile, IR::Program& program) {
Bindings binding;
return EmitSPIRV(profile, {}, program, binding, optimize);
return EmitSPIRV(profile, {}, program, binding);
}
} // namespace Shader::Backend::SPIRV