Provisional light culling

src/Engine/Graphics/RenderPass/LightCullingPass.h

@@ -1,16 +1,17 @@
 #pragma once
 #include "RenderPass.h"
+#include "Graphics/GraphicsResources.h"
 
 namespace Seele
 {
 DECLARE_REF(CameraActor)
 DECLARE_REF(CameraComponent)
-DECLARE_NAME_REF(Gfx, Viewport)
-DECLARE_NAME_REF(Gfx, Graphics)
+DECLARE_REF(Scene)
+DECLARE_REF(Viewport)
 class LightCullingPass : public RenderPass
 {
 public:
-    LightCullingPass(PRenderGraph renderGraph, Gfx::PViewport viewport, Gfx::PGraphics graphics, PCameraActor camera);
+    LightCullingPass(PRenderGraph renderGraph, const PScene scene, Gfx::PGraphics graphics, Gfx::PViewport viewport, PCameraActor camera);
     virtual ~LightCullingPass();
     virtual void beginFrame() override;
     virtual void render() override;
@@ -19,7 +20,9 @@ public:
     virtual void createRenderPass() override;
     static void modifyRenderPassMacros(Map<const char*, const char*>& defines);
 private:
+    void setupFrustums();
     static constexpr uint32 BLOCK_SIZE = 8;
+    static constexpr uint32 INDEX_LIGHT_ENV = 1;
     _declspec(align(16)) struct DispatchParams
     {
         glm::uvec3 numThreadGroups;
@@ -39,13 +42,36 @@ private:
     {
         Plane planes[4];
     };
-    struct ScreenToView
-    {
-        Matrix4 inverseProjection;
-        Vector2 screenDimensions;
-    };
+    
+    PScene scene;
     Gfx::PViewport viewport;
     Gfx::PGraphics graphics;
+
+    Gfx::PStructuredBuffer frustumBuffer;
+    Gfx::PUniformBuffer dispatchParamsBuffer;
+    Gfx::PUniformBuffer viewParamsBuffer;
+    Gfx::PDescriptorSet frustumDescriptorSet;
+    Gfx::PComputeShader frustumShader;
+    Gfx::PPipelineLayout frustumLayout;
+    Gfx::PComputePipeline frustumPipeline;
+
+    Gfx::PTexture2D depthAttachment;
+    //Gfx::PTexture2D depthComputeTexture;
+    Gfx::PStructuredBuffer frustums;
+    Gfx::PStructuredBuffer oLightIndexCounter;
+    Gfx::PStructuredBuffer tLightIndexCounter;
+    Gfx::PStructuredBuffer oLightIndexList;
+    Gfx::PStructuredBuffer tLightIndexList;
+    Gfx::PTexture2D oLightGrid;
+    Gfx::PTexture2D tLightGrid;
+    Gfx::PDescriptorSet lightEnvDescriptorSet;
+    Gfx::PDescriptorSet cullingDescriptorSet;
+    Gfx::PDescriptorLayout lightEnvDescriptorLayout;
+    Gfx::PDescriptorLayout cullingDescriptorLayout;
+    Gfx::PComputeShader cullingShader;
+    Gfx::PPipelineLayout cullingLayout;
+    Gfx::PComputePipeline cullingPipeline;
     PCameraComponent source;
 };
+DEFINE_REF(LightCullingPass)
 } // namespace Seele