78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Graphics/GPUPipelineState.h"
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#include "GPUShaderProgramWebGPU.h"
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#include "GPUDeviceWebGPU.h"
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#if GRAPHICS_API_WEBGPU
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/// <summary>
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/// Graphics pipeline state object for Web GPU backend.
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/// </summary>
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class GPUPipelineStateWebGPU : public GPUResourceWebGPU<GPUPipelineState>
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{
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public:
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// Batches render context state for the pipeline state. Used as a key for caching created pipelines.
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struct Key
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{
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union
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{
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struct
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{
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uint16 DepthStencilFormat : 7;
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uint16 MultiSampleCount : 3;
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uint16 RenderTargetCount : 3;
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uint16 VertexBufferCount : 3;
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uint8 RenderTargetFormats[GPU_MAX_RT_BINDED];
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struct WGPUVertexBufferLayout* VertexBuffers[GPU_MAX_VB_BINDED];
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};
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uint64 Packed[4];
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};
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FORCE_INLINE bool operator==(const Key& other) const
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{
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return Platform::MemoryCompare(&Packed, &other.Packed, sizeof(Packed)) == 0;
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}
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};
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private:
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#if GPU_ENABLE_RESOURCE_NAMING
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DebugName _debugName;
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#endif
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WGPUDepthStencilState _depthStencilDesc;
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WGPUFragmentState _fragmentDesc;
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WGPUBlendState _blendState;
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WGPUColorTargetState _colorTargets[GPU_MAX_RT_BINDED];
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WGPUVertexBufferLayout _vertexBuffers[GPU_MAX_VB_BINDED];
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Dictionary<Key, WGPURenderPipeline> _pipelines;
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public:
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GPUShaderProgramVSWebGPU* VS = nullptr;
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GPUShaderProgramPSWebGPU* PS = nullptr;
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WGPURenderPipelineDescriptor PipelineDesc;
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public:
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GPUPipelineStateWebGPU(GPUDeviceWebGPU* device)
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: GPUResourceWebGPU<GPUPipelineState>(device, StringView::Empty)
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{
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}
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public:
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WGPURenderPipeline GetPipeline(const Key& key);
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public:
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// [GPUPipelineState]
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bool IsValid() const override;
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bool Init(const Description& desc) override;
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protected:
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// [GPUResourceWebGPU]
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void OnReleaseGPU() final override;
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};
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uint32 GetHash(const GPUPipelineStateWebGPU::Key& key);
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#endif
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