103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#pragma once
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#include "RendererPass.h"
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#if USE_EDITOR
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#include "Engine/Core/Collections/Dictionary.h"
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#endif
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/// <summary>
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/// Rendering scene to the GBuffer
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/// </summary>
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class GBufferPass : public RendererPass<GBufferPass>
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{
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private:
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AssetReference<Shader> _gBufferShader;
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GPUPipelineState* _psDebug = nullptr;
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AssetReference<Model> _skyModel;
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AssetReference<Model> _boxModel;
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#if USE_EDITOR
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class LightmapUVsDensityMaterialShader* _lightmapUVsDensity = nullptr;
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class VertexColorsMaterialShader* _vertexColors = nullptr;
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class LODPreviewMaterialShader* _lodPreview = nullptr;
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class MaterialComplexityMaterialShader* _materialComplexity = nullptr;
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#endif
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public:
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/// <summary>
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/// Fill GBuffer
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/// </summary>
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/// <param name="renderContext">The rendering context.</param>
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/// <param name="lightBuffer">Light buffer to output material emissive light and precomputed indirect lighting</param>
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void Fill(RenderContext& renderContext, GPUTexture* lightBuffer);
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/// <summary>
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/// Render debug view
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/// </summary>
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/// <param name="renderContext">The rendering context.</param>
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void RenderDebug(RenderContext& renderContext);
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/// <summary>
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/// Renders the sky or skybox into low-resolution cubemap. Can be used to sample realtime sky lighting in GI passes.
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/// </summary>
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/// <param name="renderContext">The rendering context.</param>
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/// <param name="context">The GPU context.</param>
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/// <returns>Rendered cubemap or null if not ready or failed.</returns>
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GPUTextureView* RenderSkybox(RenderContext& renderContext, GPUContext* context);
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#if USE_EDITOR
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// Temporary cache for faster debug previews drawing (used only during frame rendering).
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static Dictionary<GPUBuffer*, const ModelLOD*> IndexBufferToModelLOD;
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static CriticalSection Locker;
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FORCE_INLINE static void AddIndexBufferToModelLOD(GPUBuffer* indexBuffer, const ModelLOD* modelLod)
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{
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Locker.Lock();
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IndexBufferToModelLOD[indexBuffer] = modelLod;
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Locker.Unlock();
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}
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void PreOverrideDrawCalls(RenderContext& renderContext);
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void OverrideDrawCalls(RenderContext& renderContext);
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void DrawMaterialComplexity(RenderContext& renderContext, GPUContext* context, GPUTextureView* lightBuffer);
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#endif
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public:
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static bool IsDebugView(ViewMode mode);
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/// <summary>
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/// Set GBuffer inputs structure for given render task
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/// </summary>
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/// <param name="view">The rendering view.</param>
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/// <param name="gBuffer">GBuffer input to setup</param>
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static void SetInputs(const RenderView& view, GBufferData& gBuffer);
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private:
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void DrawSky(RenderContext& renderContext, GPUContext* context);
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void DrawDecals(RenderContext& renderContext, GPUTextureView* lightBuffer);
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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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_psDebug->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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