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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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41
src/util/d3d_common.cpp
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@ -372,14 +372,33 @@ std::string D3DCommon::GetDriverVersionFromLUID(const LUID& luid)
return ret;
}
std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(D3D_FEATURE_LEVEL feature_level, bool debug_device,
GPUShaderStage stage, std::string_view source,
const char* entry_point)
u32 D3DCommon::GetShaderModelForFeatureLevel(D3D_FEATURE_LEVEL feature_level)
{
const char* target;
switch (feature_level)
{
case D3D_FEATURE_LEVEL_10_0:
return 40;
case D3D_FEATURE_LEVEL_10_1:
return 41;
case D3D_FEATURE_LEVEL_11_0:
return 50;
case D3D_FEATURE_LEVEL_11_1:
default:
return 51;
}
}
std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(u32 shader_model, bool debug_device, GPUShaderStage stage,
std::string_view source, const char* entry_point,
Error* error)
{
const char* target;
switch (shader_model)
{
case 40:
{
static constexpr std::array<const char*, static_cast<u32>(GPUShaderStage::MaxCount)> targets = {
{"vs_4_0", "ps_4_0", "gs_4_0", "cs_4_0"}};
@ -387,7 +406,7 @@ std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(D3D_FEATURE_LEVEL f
}
break;
case D3D_FEATURE_LEVEL_10_1:
case 41:
{
static constexpr std::array<const char*, static_cast<u32>(GPUShaderStage::MaxCount)> targets = {
{"vs_4_1", "ps_4_1", "gs_4_0", "cs_4_1"}};
@ -395,7 +414,7 @@ std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(D3D_FEATURE_LEVEL f
}
break;
case D3D_FEATURE_LEVEL_11_0:
case 50:
{
static constexpr std::array<const char*, static_cast<u32>(GPUShaderStage::MaxCount)> targets = {
{"vs_5_0", "ps_5_0", "gs_5_0", "cs_5_0"}};
@ -403,14 +422,17 @@ std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(D3D_FEATURE_LEVEL f
}
break;
case D3D_FEATURE_LEVEL_11_1:
default:
case 51:
{
static constexpr std::array<const char*, static_cast<u32>(GPUShaderStage::MaxCount)> targets = {
{"vs_5_1", "ps_5_1", "gs_5_1", "cs_5_1"}};
target = targets[static_cast<int>(stage)];
}
break;
default:
Error::SetStringFmt(error, "Unknown shader model: {}", shader_model);
return {};
}
static constexpr UINT flags_non_debug = D3DCOMPILE_OPTIMIZATION_LEVEL3;
@ -424,13 +446,16 @@ std::optional<DynamicHeapArray<u8>> D3DCommon::CompileShader(D3D_FEATURE_LEVEL f
std::string_view error_string;
if (error_blob)
{
error_string =
std::string_view(static_cast<const char*>(error_blob->GetBufferPointer()), error_blob->GetBufferSize());
}
if (FAILED(hr))
{
ERROR_LOG("Failed to compile '{}':\n{}", target, error_string);
GPUDevice::DumpBadShader(source, error_string);
Error::SetHResult(error, "D3DCompile() failed: ", hr);
return {};
}