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Add vertex shader input layout reading via shader compiler reflection to handle missing vertex elements binding when explicit layout got deprecated

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This commit is contained in:
Wojtek Figat
2025-01-07 23:26:06 +01:00
parent 7f0d852f49
commit 7aa240e5eb
20 changed files with 350 additions and 232 deletions
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29
Source/Engine/GraphicsDevice/DirectX/DX11/GPUShaderDX11.cpp
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@@ -26,7 +26,7 @@ ID3D11InputLayout* GPUShaderProgramVSDX11::GetInputLayout(GPUVertexLayoutDX11* v
{
if (vertexLayout && vertexLayout->InputElementsCount)
{
auto mergedVertexLayout = (GPUVertexLayoutDX11*)GPUVertexLayout::Merge(vertexLayout, Layout);
auto mergedVertexLayout = (GPUVertexLayoutDX11*)GPUVertexLayout::Merge(vertexLayout, Layout ? Layout : InputLayout);
LOG_DIRECTX_RESULT(vertexLayout->GetDevice()->GetDevice()->CreateInputLayout(mergedVertexLayout->InputElements, mergedVertexLayout->InputElementsCount, Bytecode.Get(), Bytecode.Length(), &inputLayout));
}
_cache.Add(vertexLayout, inputLayout);
@@ -42,42 +42,30 @@ GPUShaderProgram* GPUShaderDX11::CreateGPUShaderProgram(ShaderStage type, const
{
case ShaderStage::Vertex:
{
// Load Input Layout
GPUVertexLayout* vertexLayout = ReadVertexLayout(stream);
// Create shader
GPUVertexLayout* inputLayout, *vertexLayout;
ReadVertexLayout(stream, inputLayout, vertexLayout);
ID3D11VertexShader* buffer = nullptr;
result = _device->GetDevice()->CreateVertexShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramVSDX11>(initializer, buffer, vertexLayout, bytecode);
shader = New<GPUShaderProgramVSDX11>(initializer, buffer, inputLayout, vertexLayout, bytecode);
break;
}
#if GPU_ALLOW_TESSELLATION_SHADERS
case ShaderStage::Hull:
{
// Read control points
int32 controlPointsCount;
stream.ReadInt32(&controlPointsCount);
// Create shader
ID3D11HullShader* buffer = nullptr;
result = _device->GetDevice()->CreateHullShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramHSDX11>(initializer, buffer, controlPointsCount);
break;
}
case ShaderStage::Domain:
{
// Create shader
ID3D11DomainShader* buffer = nullptr;
result = _device->GetDevice()->CreateDomainShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramDSDX11>(initializer, buffer);
break;
}
@@ -92,35 +80,26 @@ GPUShaderProgram* GPUShaderDX11::CreateGPUShaderProgram(ShaderStage type, const
#if GPU_ALLOW_GEOMETRY_SHADERS
case ShaderStage::Geometry:
{
// Create shader
ID3D11GeometryShader* buffer = nullptr;
result = _device->GetDevice()->CreateGeometryShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramGSDX11>(initializer, buffer);
break;
}
#endif
case ShaderStage::Pixel:
{
// Create shader
ID3D11PixelShader* buffer = nullptr;
result = _device->GetDevice()->CreatePixelShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramPSDX11>(initializer, buffer);
break;
}
case ShaderStage::Compute:
{
// Create shader
ID3D11ComputeShader* buffer = nullptr;
result = _device->GetDevice()->CreateComputeShader(bytecode.Get(), bytecode.Length(), nullptr, &buffer);
LOG_DIRECTX_RESULT_WITH_RETURN(result, nullptr);
// Create object
shader = New<GPUShaderProgramCSDX11>(initializer, buffer);
break;
}