237 lines
9.3 KiB
C++
237 lines
9.3 KiB
C++
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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#if GRAPHICS_API_DIRECTX12
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#include "GPUPipelineStateDX12.h"
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#include "GPUShaderProgramDX12.h"
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#include "GPUTextureDX12.h"
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#include "Engine/Profiler/ProfilerCPU.h"
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#include "Engine/GraphicsDevice/DirectX/RenderToolsDX.h"
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#include "Engine/Graphics/PixelFormatExtensions.h"
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GPUPipelineStateDX12::GPUPipelineStateDX12(GPUDeviceDX12* device)
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: GPUResourceDX12(device, StringView::Empty)
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, _states(16)
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{
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}
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bool GPUPipelineStateDX12::IsValid() const
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{
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return !!_memoryUsage;
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}
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ID3D12PipelineState* GPUPipelineStateDX12::GetState(GPUTextureViewDX12* depth, int32 rtCount, GPUTextureViewDX12** rtHandles)
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{
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// Validate
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ASSERT(depth || rtCount);
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// Prepare key
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GPUPipelineStateKeyDX12 key;
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key.RTsCount = rtCount;
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key.DepthFormat = depth ? depth->GetFormat() : PixelFormat::Unknown;
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key.MSAA = depth ? depth->GetMSAA() : (rtCount ? rtHandles[0]->GetMSAA() : MSAALevel::None);
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for (int32 i = 0; i < rtCount; i++)
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key.RTVsFormats[i] = rtHandles[i]->GetFormat();
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for (int32 i = rtCount; i < GPU_MAX_RT_BINDED; i++)
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key.RTVsFormats[i] = PixelFormat::Unknown;
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// Try reuse cached version
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ID3D12PipelineState* state = nullptr;
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if (_states.TryGet(key, state))
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{
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#if BUILD_DEBUG
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// Verify
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GPUPipelineStateKeyDX12 refKey;
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_states.KeyOf(state, &refKey);
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ASSERT(refKey == key);
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#endif
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return state;
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}
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PROFILE_CPU_NAMED("Create Pipeline State");
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// Update description to match the pipeline
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_desc.NumRenderTargets = key.RTsCount;
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for (int32 i = 0; i < GPU_MAX_RT_BINDED; i++)
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_desc.RTVFormats[i] = RenderToolsDX::ToDxgiFormat(key.RTVsFormats[i]);
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_desc.SampleDesc.Count = static_cast<UINT>(key.MSAA);
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_desc.SampleDesc.Quality = key.MSAA == MSAALevel::None ? 0 : GPUDeviceDX12::GetMaxMSAAQuality((int32)key.MSAA);
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_desc.SampleMask = D3D12_DEFAULT_SAMPLE_MASK;
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_desc.DSVFormat = RenderToolsDX::ToDxgiFormat(PixelFormatExtensions::FindDepthStencilFormat(key.DepthFormat));
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// Create object
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const HRESULT result = _device->GetDevice()->CreateGraphicsPipelineState(&_desc, IID_PPV_ARGS(&state));
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LOG_DIRECTX_RESULT(result);
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if (FAILED(result))
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return nullptr;
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#if GPU_ENABLE_RESOURCE_NAMING && BUILD_DEBUG
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char name[200];
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int32 nameLen = 0;
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if (DebugDesc.VS)
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{
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Platform::MemoryCopy(name + nameLen, *DebugDesc.VS->GetName(), DebugDesc.VS->GetName().Length());
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nameLen += DebugDesc.VS->GetName().Length();
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name[nameLen++] = '+';
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}
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if (DebugDesc.HS)
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{
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Platform::MemoryCopy(name + nameLen, *DebugDesc.HS->GetName(), DebugDesc.HS->GetName().Length());
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nameLen += DebugDesc.HS->GetName().Length();
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name[nameLen++] = '+';
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}
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if (DebugDesc.DS)
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{
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Platform::MemoryCopy(name + nameLen, *DebugDesc.DS->GetName(), DebugDesc.DS->GetName().Length());
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nameLen += DebugDesc.DS->GetName().Length();
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name[nameLen++] = '+';
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}
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if (DebugDesc.GS)
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{
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Platform::MemoryCopy(name + nameLen, *DebugDesc.GS->GetName(), DebugDesc.GS->GetName().Length());
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nameLen += DebugDesc.GS->GetName().Length();
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name[nameLen++] = '+';
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}
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if (DebugDesc.PS)
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{
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Platform::MemoryCopy(name + nameLen, *DebugDesc.PS->GetName(), DebugDesc.PS->GetName().Length());
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nameLen += DebugDesc.PS->GetName().Length();
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name[nameLen++] = '+';
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}
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if (nameLen && name[nameLen - 1] == '+')
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nameLen--;
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name[nameLen] = '\0';
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SetDebugObjectName(state, name);
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#endif
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// Cache it
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_states.Add(key, state);
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return state;
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}
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void GPUPipelineStateDX12::OnReleaseGPU()
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{
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for (auto i = _states.Begin(); i.IsNotEnd(); ++i)
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{
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_device->AddResourceToLateRelease(i->Value);
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}
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_states.Clear();
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}
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bool GPUPipelineStateDX12::Init(const Description& desc)
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{
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ASSERT(!IsValid());
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// Create description
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D3D12_GRAPHICS_PIPELINE_STATE_DESC psDesc;
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Platform::MemoryClear(&psDesc, sizeof(D3D12_GRAPHICS_PIPELINE_STATE_DESC));
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psDesc.pRootSignature = _device->GetRootSignature();
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// Shaders
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Platform::MemoryClear(&Header, sizeof(Header));
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psDesc.InputLayout = { static_cast<D3D12_INPUT_ELEMENT_DESC*>(desc.VS->GetInputLayout()), desc.VS->GetInputLayoutSize() };
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#define INIT_SHADER_STAGE(stage, type) \
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if (desc.stage) \
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{ \
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psDesc.stage = { desc.stage->GetBufferHandle(), desc.stage->GetBufferSize() }; \
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auto shader = (type*)desc.stage; \
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auto srCount = Math::FloorLog2(shader->GetBindings().UsedSRsMask) + 1; \
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for (uint32 i = 0; i < srCount; i++) \
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if (shader->Header.SrDimensions[i]) \
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Header.SrDimensions[i] = shader->Header.SrDimensions[i]; \
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auto uaCount = Math::FloorLog2(shader->GetBindings().UsedUAsMask) + 1; \
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for (uint32 i = 0; i < uaCount; i++) \
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if (shader->Header.UaDimensions[i]) \
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Header.UaDimensions[i] = shader->Header.UaDimensions[i]; \
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}
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INIT_SHADER_STAGE(HS, GPUShaderProgramHSDX12);
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INIT_SHADER_STAGE(DS, GPUShaderProgramDSDX12);
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INIT_SHADER_STAGE(GS, GPUShaderProgramGSDX12);
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INIT_SHADER_STAGE(VS, GPUShaderProgramVSDX12);
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INIT_SHADER_STAGE(PS, GPUShaderProgramPSDX12);
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const static D3D12_PRIMITIVE_TOPOLOGY_TYPE primTypes1[] =
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{
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D3D12_PRIMITIVE_TOPOLOGY_TYPE_UNDEFINED,
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D3D12_PRIMITIVE_TOPOLOGY_TYPE_POINT,
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D3D12_PRIMITIVE_TOPOLOGY_TYPE_LINE,
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D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE,
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};
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const static D3D_PRIMITIVE_TOPOLOGY primTypes2[] =
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{
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D3D_PRIMITIVE_TOPOLOGY_UNDEFINED,
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D3D_PRIMITIVE_TOPOLOGY_POINTLIST,
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D3D_PRIMITIVE_TOPOLOGY_LINELIST,
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D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST,
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};
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psDesc.PrimitiveTopologyType = primTypes1[(int32)desc.PrimitiveTopologyType];
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PrimitiveTopologyType = primTypes2[(int32)desc.PrimitiveTopologyType];
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if (desc.HS)
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{
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psDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_PATCH;
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PrimitiveTopologyType = (D3D_PRIMITIVE_TOPOLOGY)((int32)D3D_PRIMITIVE_TOPOLOGY_1_CONTROL_POINT_PATCHLIST + (desc.HS->GetControlPointsCount() - 1));
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}
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// Depth State
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psDesc.DepthStencilState.DepthEnable = !!desc.DepthTestEnable;
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psDesc.DepthStencilState.DepthWriteMask = desc.DepthWriteEnable ? D3D12_DEPTH_WRITE_MASK_ALL : D3D12_DEPTH_WRITE_MASK_ZERO;
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psDesc.DepthStencilState.DepthFunc = static_cast<D3D12_COMPARISON_FUNC>(desc.DepthFunc);
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psDesc.DepthStencilState.StencilEnable = FALSE;
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psDesc.DepthStencilState.StencilReadMask = D3D12_DEFAULT_STENCIL_READ_MASK;
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psDesc.DepthStencilState.StencilWriteMask = D3D12_DEFAULT_STENCIL_WRITE_MASK;
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const D3D12_DEPTH_STENCILOP_DESC defaultStencilOp = { D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_STENCIL_OP_KEEP, D3D12_COMPARISON_FUNC_ALWAYS };
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psDesc.DepthStencilState.FrontFace = defaultStencilOp;
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psDesc.DepthStencilState.BackFace = defaultStencilOp;
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// Rasterizer State
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psDesc.RasterizerState.FillMode = desc.Wireframe ? D3D12_FILL_MODE_WIREFRAME : D3D12_FILL_MODE_SOLID;
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D3D12_CULL_MODE dxCullMode;
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switch (desc.CullMode)
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{
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case CullMode::Normal:
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dxCullMode = D3D12_CULL_MODE_BACK;
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break;
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case CullMode::Inverted:
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dxCullMode = D3D12_CULL_MODE_FRONT;
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break;
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case CullMode::TwoSided:
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dxCullMode = D3D12_CULL_MODE_NONE;
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break;
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}
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psDesc.RasterizerState.CullMode = dxCullMode;
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psDesc.RasterizerState.FrontCounterClockwise = FALSE;
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psDesc.RasterizerState.DepthBias = D3D12_DEFAULT_DEPTH_BIAS;
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psDesc.RasterizerState.DepthBiasClamp = D3D12_DEFAULT_DEPTH_BIAS_CLAMP;
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psDesc.RasterizerState.SlopeScaledDepthBias = D3D12_DEFAULT_SLOPE_SCALED_DEPTH_BIAS;
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psDesc.RasterizerState.DepthClipEnable = !!desc.DepthClipEnable;
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psDesc.RasterizerState.MultisampleEnable = TRUE;
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psDesc.RasterizerState.AntialiasedLineEnable = !!desc.Wireframe;
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psDesc.RasterizerState.ForcedSampleCount = 0;
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psDesc.RasterizerState.ConservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF;
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// Blend State
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psDesc.BlendState.AlphaToCoverageEnable = desc.BlendMode.AlphaToCoverageEnable ? TRUE : FALSE;
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psDesc.BlendState.IndependentBlendEnable = FALSE;
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psDesc.BlendState.RenderTarget[0].BlendEnable = desc.BlendMode.BlendEnable ? TRUE : FALSE;
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psDesc.BlendState.RenderTarget[0].SrcBlend = (D3D12_BLEND)desc.BlendMode.SrcBlend;
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psDesc.BlendState.RenderTarget[0].DestBlend = (D3D12_BLEND)desc.BlendMode.DestBlend;
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psDesc.BlendState.RenderTarget[0].BlendOp = (D3D12_BLEND_OP)desc.BlendMode.BlendOp;
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psDesc.BlendState.RenderTarget[0].SrcBlendAlpha = (D3D12_BLEND)desc.BlendMode.SrcBlendAlpha;
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psDesc.BlendState.RenderTarget[0].DestBlendAlpha = (D3D12_BLEND)desc.BlendMode.DestBlendAlpha;
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psDesc.BlendState.RenderTarget[0].BlendOpAlpha = (D3D12_BLEND_OP)desc.BlendMode.BlendOpAlpha;
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psDesc.BlendState.RenderTarget[0].RenderTargetWriteMask = (UINT8)desc.BlendMode.RenderTargetWriteMask;
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#if BUILD_DEBUG
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for (byte i = 1; i < D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; i++)
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psDesc.BlendState.RenderTarget[i] = psDesc.BlendState.RenderTarget[0];
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#endif
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// Cache description
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_desc = psDesc;
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// Set non-zero memory usage
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_memoryUsage = sizeof(D3D12_GRAPHICS_PIPELINE_STATE_DESC);
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return GPUPipelineState::Init(desc);
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}
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#endif
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