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MetalDevice: Explicitly bind fragment resources

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Fixes adaptive downsampling with Metal renderer.
This commit is contained in:
Stenzek 2023-12-18 18:44:22 +10:00
parent 6fe2177ee7
commit f4fb069216
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4 changed files with 24 additions and 7 deletions
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2
src/util/metal_device.mm
View file

@ -638,7 +638,7 @@ std::unique_ptr<GPUShader> MetalDevice::CreateShaderFromSource(GPUShaderStage st
return {};
}
std::optional<std::string> msl = SPIRVCompiler::CompileSPIRVToMSL(spirv.value());
std::optional<std::string> msl = SPIRVCompiler::CompileSPIRVToMSL(stage, spirv.value());
if (!msl.has_value())
{
Log_ErrorPrintf("Failed to compile SPIR-V to MSL.");

8
src/util/shadergen.cpp
View file

@ -336,8 +336,8 @@ void ShaderGen::DeclareTexture(std::stringstream& ss, const char* name, u32 inde
{
if (m_glsl)
{
if (IsVulkan())
ss << "layout(set = " << (m_has_uniform_buffer ? 1 : 0) << ", binding = " << index << ") ";
if (m_spirv)
ss << "layout(set = " << ((m_has_uniform_buffer || IsMetal()) ? 1 : 0) << ", binding = " << index << ") ";
else if (m_use_glsl_binding_layout)
ss << "layout(binding = " << index << ") ";
@ -354,8 +354,8 @@ void ShaderGen::DeclareTextureBuffer(std::stringstream& ss, const char* name, u3
{
if (m_glsl)
{
if (IsVulkan())
ss << "layout(set = 0, binding = " << index << ") ";
if (m_spirv)
ss << "layout(set = " << ((m_has_uniform_buffer || IsMetal()) ? 1 : 0) << ", binding = " << index << ") ";
else if (m_use_glsl_binding_layout)
ss << "layout(binding = " << index << ") ";

19
src/util/spirv_compiler.cpp
View file

@ -173,12 +173,29 @@ std::optional<SPIRVCompiler::SPIRVCodeVector> SPIRVCompiler::CompileShader(GPUSh
#ifdef __APPLE__
std::optional<std::string> SPIRVCompiler::CompileSPIRVToMSL(std::span<const SPIRVCodeType> spv)
std::optional<std::string> SPIRVCompiler::CompileSPIRVToMSL(GPUShaderStage stage, std::span<const SPIRVCodeType> spv)
{
spirv_cross::CompilerMSL compiler(spv.data(), spv.size());
spirv_cross::CompilerMSL::Options options = compiler.get_msl_options();
options.pad_fragment_output_components = true;
if (stage == GPUShaderStage::Fragment)
{
for (u32 i = 0; i < GPUDevice::MAX_TEXTURE_SAMPLERS; i++)
{
spirv_cross::MSLResourceBinding rb;
rb.stage = spv::ExecutionModelFragment;
rb.desc_set = 1;
rb.binding = i;
rb.count = 1;
rb.msl_texture = i;
rb.msl_sampler = i;
rb.msl_buffer = i;
compiler.add_msl_resource_binding(rb);
}
}
compiler.set_msl_options(options);
std::string msl = compiler.compile();

2
src/util/spirv_compiler.h
View file

@ -42,7 +42,7 @@ std::optional<SPIRVCodeVector> CompileShader(GPUShaderStage stage, std::string_v
#ifdef __APPLE__
// Converts a SPIR-V shader into MSL.
std::optional<std::string> CompileSPIRVToMSL(std::span<const SPIRVCodeType> spv);
std::optional<std::string> CompileSPIRVToMSL(GPUShaderStage stage, std::span<const SPIRVCodeType> spv);
#endif