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GPUDevice: Support transpiling shaders at compile time

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And use it for GLSL postprocessing shaders.
This commit is contained in:
Stenzek
2024-06-14 14:37:33 +10:00
parent f0c2832d03
commit ef69c31e9f
37 changed files with 918 additions and 470 deletions
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44
src/util/gpu_device.h
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@ -112,6 +112,18 @@ enum class GPUShaderStage : u8
MaxCount
};
enum class GPUShaderLanguage : u8
{
None,
HLSL,
GLSL,
GLSLES,
GLSLVK,
MSL,
SPV,
Count
};
class GPUShader
{
public:
@ -522,6 +534,9 @@ public:
/// Returns a string representing the specified API.
static const char* RenderAPIToString(RenderAPI api);
/// Returns a string representing the specified language.
static const char* ShaderLanguageToString(GPUShaderLanguage language);
/// Returns a new device for the specified API.
static std::unique_ptr<GPUDevice> CreateDeviceForAPI(RenderAPI api);
@ -630,8 +645,8 @@ public:
virtual void InvalidateRenderTarget(GPUTexture* t);
/// Shader abstraction.
std::unique_ptr<GPUShader> CreateShader(GPUShaderStage stage, std::string_view source,
const char* entry_point = "main");
std::unique_ptr<GPUShader> CreateShader(GPUShaderStage stage, GPUShaderLanguage language, std::string_view source,
Error* error = nullptr, const char* entry_point = "main");
virtual std::unique_ptr<GPUPipeline> CreatePipeline(const GPUPipeline::GraphicsConfig& config) = 0;
/// Debug messaging.
@ -716,19 +731,26 @@ protected:
virtual bool ReadPipelineCache(const std::string& filename);
virtual bool GetPipelineCacheData(DynamicHeapArray<u8>* data);
virtual std::unique_ptr<GPUShader> CreateShaderFromBinary(GPUShaderStage stage, std::span<const u8> data) = 0;
virtual std::unique_ptr<GPUShader> CreateShaderFromSource(GPUShaderStage stage, std::string_view source,
const char* entry_point,
DynamicHeapArray<u8>* out_binary) = 0;
virtual std::unique_ptr<GPUShader> CreateShaderFromBinary(GPUShaderStage stage, std::span<const u8> data,
Error* error) = 0;
virtual std::unique_ptr<GPUShader> CreateShaderFromSource(GPUShaderStage stage, GPUShaderLanguage language,
std::string_view source, const char* entry_point,
DynamicHeapArray<u8>* out_binary, Error* error) = 0;
bool AcquireWindow(bool recreate_window);
void TrimTexturePool();
#if defined(ENABLE_VULKAN) || defined(__APPLE__)
bool CompileGLSLShaderToVulkanSpv(GPUShaderStage stage, std::string_view source, const char* entry_point,
bool nonsemantic_debug_info, DynamicHeapArray<u8>* out_binary);
#endif
bool CompileGLSLShaderToVulkanSpv(GPUShaderStage stage, GPUShaderLanguage source_language, std::string_view source,
const char* entry_point, bool nonsemantic_debug_info,
DynamicHeapArray<u8>* out_binary, Error* error);
bool TranslateVulkanSpvToLanguage(const std::span<const u8> spirv, GPUShaderStage stage,
GPUShaderLanguage target_language, u32 target_version, std::string* output,
Error* error);
std::unique_ptr<GPUShader> TranspileAndCreateShaderFromSource(GPUShaderStage stage, GPUShaderLanguage source_language,
std::string_view source, const char* entry_point,
GPUShaderLanguage target_language, u32 target_version,
DynamicHeapArray<u8>* out_binary, Error* error);
Features m_features = {};
u32 m_max_texture_size = 0;
@ -778,7 +800,7 @@ private:
void OpenShaderCache(std::string_view base_path, u32 version);
void CloseShaderCache();
bool CreateResources();
bool CreateResources(Error* error);
void DestroyResources();
static bool IsTexturePoolType(GPUTexture::Type type);