75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
// Copyright (c) Wojciech Figat. All rights reserved.
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#pragma once
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#include "RendererPass.h"
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#include "Engine/Graphics/PostProcessSettings.h"
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/// <summary>
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/// Depth of Field rendering
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/// </summary>
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class DepthOfFieldPass : public RendererPass<DepthOfFieldPass>
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{
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private:
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// Structure used for outputting bokeh points to an AppendStructuredBuffer
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struct BokehPoint
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{
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Float3 Position;
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float Blur;
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Float3 Color;
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};
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bool _platformSupportsDoF = false;
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bool _platformSupportsBokeh = false;
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GPUBuffer* _bokehBuffer = nullptr;
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GPUBuffer* _bokehIndirectArgsBuffer = nullptr;
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AssetReference<Shader> _shader;
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GPUPipelineState* _psDofDepthBlurGeneration = nullptr;
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GPUPipelineState* _psBokehGeneration = nullptr;
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GPUPipelineState* _psDoNotGenerateBokeh = nullptr;
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GPUPipelineState* _psBokeh = nullptr;
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GPUPipelineState* _psBokehComposite = nullptr;
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AssetReference<Texture> _defaultBokehHexagon;
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AssetReference<Texture> _defaultBokehOctagon;
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AssetReference<Texture> _defaultBokehCircle;
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AssetReference<Texture> _defaultBokehCross;
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public:
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DepthOfFieldPass();
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public:
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/// <summary>
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/// Perform Depth Of Field rendering for the input task
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/// </summary>
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/// <param name="renderContext">The rendering context.</param>
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/// <param name="frame">Input and output frame (leave unchanged when not using this effect).</param>
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/// <param name="tmp">Temporary frame (the same format as frame)</param>
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void Render(RenderContext& renderContext, GPUTexture*& frame, GPUTexture*& tmp);
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private:
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GPUTexture* getDofBokehShape(DepthOfFieldSettings& dofSettings);
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#if COMPILE_WITH_DEV_ENV
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void OnShaderReloading(Asset* obj)
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{
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_psDofDepthBlurGeneration->ReleaseGPU();
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if (_psBokehGeneration)
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_psBokehGeneration->ReleaseGPU();
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if (_psBokeh)
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_psBokeh->ReleaseGPU();
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if (_psBokehComposite)
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_psBokehComposite->ReleaseGPU();
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invalidateResources();
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}
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#endif
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public:
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// [RendererPass]
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String ToString() const override;
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bool Init() override;
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void Dispose() override;
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protected:
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// [RendererPass]
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bool setupResources() override;
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};
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