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Allow shader patching (#1633)

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Vinicius Rangel 2024-11-30 16:15:55 -03:00 • committed by GitHub
parent 07f4a0305b
commit 2002e37ce9
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GPG key ID: B5690EEEBB952194
5 changed files with 58 additions and 1 deletions
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30
src/video_core/renderer_vulkan/vk_pipeline_cache.cpp
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@ -406,8 +406,13 @@ vk::ShaderModule PipelineCache::CompileModule(Shader::Info& info,
DumpShader(code, info.pgm_hash, info.stage, perm_idx, "bin");
const auto ir_program = Shader::TranslateProgram(code, pools, info, runtime_info, profile);
const auto spv = Shader::Backend::SPIRV::EmitSPIRV(profile, runtime_info, ir_program, binding);
auto spv = Shader::Backend::SPIRV::EmitSPIRV(profile, runtime_info, ir_program, binding);
DumpShader(spv, info.pgm_hash, info.stage, perm_idx, "spv");
auto patch = GetShaderPatch(info.pgm_hash, info.stage, perm_idx, "spv");
if (patch) {
spv = *patch;
LOG_INFO(Loader, "Loaded patch for {} shader {:#x}", info.stage, info.pgm_hash);
}
const auto module = CompileSPV(spv, instance.GetDevice());
const auto name = fmt::format("{}_{:#x}_{}", info.stage, info.pgm_hash, perm_idx);
@ -465,4 +470,27 @@ void PipelineCache::DumpShader(std::span<const u32> code, u64 hash, Shader::Stag
file.WriteSpan(code);
}
std::optional<std::vector<u32>> PipelineCache::GetShaderPatch(u64 hash, Shader::Stage stage,
size_t perm_idx,
std::string_view ext) {
if (!Config::patchShaders()) {
return {};
}
using namespace Common::FS;
const auto patch_dir = GetUserPath(PathType::ShaderDir) / "patch";
if (!std::filesystem::exists(patch_dir)) {
std::filesystem::create_directories(patch_dir);
}
const auto filename = fmt::format("{}_{:#018x}_{}.{}", stage, hash, perm_idx, ext);
const auto filepath = patch_dir / filename;
if (!std::filesystem::exists(filepath)) {
return {};
}
const auto file = IOFile{patch_dir / filename, FileAccessMode::Read};
std::vector<u32> code(file.GetSize() / sizeof(u32));
file.Read(code);
return code;
}
} // namespace Vulkan

2
src/video_core/renderer_vulkan/vk_pipeline_cache.h
View file

@ -56,6 +56,8 @@ private:
void DumpShader(std::span<const u32> code, u64 hash, Shader::Stage stage, size_t perm_idx,
std::string_view ext);
std::optional<std::vector<u32>> GetShaderPatch(u64 hash, Shader::Stage stage, size_t perm_idx,
std::string_view ext);
vk::ShaderModule CompileModule(Shader::Info& info, const Shader::RuntimeInfo& runtime_info,
std::span<const u32> code, size_t perm_idx,
Shader::Backend::Bindings& binding);