Refactor: use engine helpers for RootSignature and PSO creation
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@@ -213,17 +213,11 @@ public:
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// 定义GPU资源绑定规则: CBV(常量缓冲) / SRV(着色器资源) / DescriptorTable
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//=================================================================================
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ID3D12RootSignature* InitRootSignature() {
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D3D12_ROOT_PARAMETER rootParameters[4];
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rootParameters[1].ParameterType = D3D12_ROOT_PARAMETER_TYPE_32BIT_CONSTANTS;
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rootParameters[1].ShaderVisibility = ToD3D12(ShaderVisibility::Vertex);
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rootParameters[1].Constants.RegisterSpace = 0;
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rootParameters[1].Constants.ShaderRegister = 0;
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rootParameters[1].Constants.Num32BitValues = 4;
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using namespace XCEngine::RHI;
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rootParameters[0].ParameterType = D3D12_ROOT_PARAMETER_TYPE_CBV;
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rootParameters[0].ShaderVisibility = ToD3D12(ShaderVisibility::All);
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rootParameters[0].Descriptor.RegisterSpace = 0;
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rootParameters[0].Descriptor.ShaderRegister = 1;
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D3D12_ROOT_PARAMETER rootParameters[4];
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rootParameters[0] = D3D12RootSignature::CreateCBV(1, ShaderVisibility::All, 0);
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rootParameters[1] = D3D12RootSignature::Create32BitConstants(0, 4, ShaderVisibility::Vertex, 0);
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D3D12_DESCRIPTOR_RANGE descriptorRange[1];
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descriptorRange[0].RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
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@@ -231,35 +225,20 @@ ID3D12RootSignature* InitRootSignature() {
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descriptorRange[0].BaseShaderRegister = 0;
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descriptorRange[0].NumDescriptors = 1;
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descriptorRange[0].OffsetInDescriptorsFromTableStart = D3D12_DESCRIPTOR_RANGE_OFFSET_APPEND;
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rootParameters[2] = D3D12RootSignature::CreateDescriptorTable(1, descriptorRange, ShaderVisibility::Pixel);
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rootParameters[2].ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
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rootParameters[2].ShaderVisibility = ToD3D12(ShaderVisibility::Pixel);
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rootParameters[2].DescriptorTable.pDescriptorRanges = descriptorRange;
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rootParameters[2].DescriptorTable.NumDescriptorRanges = _countof(descriptorRange);
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rootParameters[3] = D3D12RootSignature::CreateSRV(0, ShaderVisibility::All, 1);
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rootParameters[3].ParameterType = D3D12_ROOT_PARAMETER_TYPE_SRV;
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rootParameters[3].ShaderVisibility = ToD3D12(ShaderVisibility::All);
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rootParameters[3].Descriptor.RegisterSpace = 1;
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rootParameters[3].Descriptor.ShaderRegister = 0;
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D3D12_SAMPLER_DESC samplerDesc = {};
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samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
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samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
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samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
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samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
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samplerDesc.MaxLOD = D3D12_FLOAT32_MAX;
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D3D12_STATIC_SAMPLER_DESC staticSamplerDesc = D3D12RootSignature::CreateStaticSampler(0, samplerDesc, ShaderVisibility::Pixel);
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D3D12_STATIC_SAMPLER_DESC samplerDesc[1];
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memset(samplerDesc, 0, sizeof(D3D12_STATIC_SAMPLER_DESC) * _countof(samplerDesc));
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samplerDesc[0].Filter = ToD3D12(FilterMode::Linear);
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samplerDesc[0].AddressU = ToD3D12(TextureAddressMode::Clamp);
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samplerDesc[0].AddressV = ToD3D12(TextureAddressMode::Clamp);
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samplerDesc[0].AddressW = ToD3D12(TextureAddressMode::Clamp);
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samplerDesc[0].BorderColor = ToD3D12(BorderColor::OpaqueBlack);
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samplerDesc[0].MaxLOD = D3D12_FLOAT32_MAX;
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samplerDesc[0].RegisterSpace = 0;
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samplerDesc[0].ShaderRegister = 0;
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samplerDesc[0].ShaderVisibility = ToD3D12(ShaderVisibility::Pixel);
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D3D12_ROOT_SIGNATURE_DESC rootSignatureDesc = {};
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rootSignatureDesc.NumParameters = _countof(rootParameters);
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rootSignatureDesc.pParameters = rootParameters;
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rootSignatureDesc.NumStaticSamplers = _countof(samplerDesc);
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rootSignatureDesc.pStaticSamplers = samplerDesc;
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rootSignatureDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
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D3D12_ROOT_SIGNATURE_DESC rootSignatureDesc = D3D12RootSignature::CreateDesc(
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rootParameters, 4, &staticSamplerDesc, 1);
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gRootSignature.Initialize(gD3D12Device.GetDevice(), rootSignatureDesc);
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@@ -275,48 +254,23 @@ ID3D12RootSignature* InitRootSignature() {
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ID3D12PipelineState* CreatePSO(ID3D12RootSignature* inID3D12RootSignature,
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D3D12_SHADER_BYTECODE inVertexShader, D3D12_SHADER_BYTECODE inPixelShader,
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D3D12_SHADER_BYTECODE inGSShader) {
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using namespace XCEngine::RHI;
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D3D12_INPUT_ELEMENT_DESC vertexDataElementDesc[] = {
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{"POSITION",0,DXGI_FORMAT_R32G32B32A32_FLOAT,0,0,D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA,0},
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{"TEXCOORD",0,DXGI_FORMAT_R32G32B32A32_FLOAT,0,sizeof(float) * 4,D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA,0},
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{"NORMAL",0,DXGI_FORMAT_R32G32B32A32_FLOAT,0,sizeof(float) * 8,D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA,0},
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{"TANGENT",0,DXGI_FORMAT_R32G32B32A32_FLOAT,0,sizeof(float) * 12,D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA,0}
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D3D12PipelineState::CreateInputElement("POSITION", 0, Format::R32G32B32A32_Float, 0, 0),
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D3D12PipelineState::CreateInputElement("TEXCOORD", 0, Format::R32G32B32A32_Float, 0, sizeof(float) * 4),
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D3D12PipelineState::CreateInputElement("NORMAL", 0, Format::R32G32B32A32_Float, 0, sizeof(float) * 8),
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D3D12PipelineState::CreateInputElement("TANGENT", 0, Format::R32G32B32A32_Float, 0, sizeof(float) * 12)
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};
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D3D12_INPUT_LAYOUT_DESC vertexDataLayoutDesc = {};
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vertexDataLayoutDesc.NumElements = 4;
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vertexDataLayoutDesc.pInputElementDescs = vertexDataElementDesc;
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D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
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psoDesc.pRootSignature = inID3D12RootSignature;
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psoDesc.VS = inVertexShader;
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psoDesc.GS = inGSShader;
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psoDesc.PS = inPixelShader;
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psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
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psoDesc.DSVFormat = DXGI_FORMAT_D24_UNORM_S8_UINT;
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psoDesc.SampleDesc.Count = 1;
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psoDesc.SampleDesc.Quality = 0;
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psoDesc.SampleMask = 0xffffffff;
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psoDesc.InputLayout = vertexDataLayoutDesc;
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psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
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D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = D3D12PipelineState::CreateDesc(
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inID3D12RootSignature,
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inVertexShader,
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inPixelShader,
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inGSShader,
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4,
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vertexDataElementDesc);
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psoDesc.RasterizerState.FillMode = ToD3D12(FillMode::Solid);
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psoDesc.RasterizerState.CullMode = ToD3D12(CullMode::Back);
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psoDesc.RasterizerState.DepthClipEnable = TRUE;
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psoDesc.DepthStencilState.DepthEnable = true;
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psoDesc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
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psoDesc.DepthStencilState.DepthFunc = ToD3D12(ComparisonFunc::LessEqual);
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psoDesc.BlendState = { 0 };
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D3D12_RENDER_TARGET_BLEND_DESC rtBlendDesc = {
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FALSE,FALSE,
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ToD3D12(BlendFactor::SrcAlpha),ToD3D12(BlendFactor::InvSrcAlpha),ToD3D12(BlendOp::Add),
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ToD3D12(BlendFactor::SrcAlpha),ToD3D12(BlendFactor::InvSrcAlpha),ToD3D12(BlendOp::Add),
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ToD3D12(LogicOp::Noop),
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static_cast<UINT8>(ColorWriteMask::All),
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};
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for (int i = 0; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; ++i)
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psoDesc.BlendState.RenderTarget[i] = rtBlendDesc;
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psoDesc.NumRenderTargets = 1;
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ID3D12PipelineState* d3d12PSO = nullptr;
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gPipelineState.Initialize(gD3D12Device.GetDevice(), psoDesc);
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