Adding basic depth prepass

2021-05-06 17:02:10 +02:00
parent 4a078bd24c
commit 0cf13bcff5
52 changed files with 880 additions and 155 deletions
@@ -0,0 +1,68 @@
+#pragma once
+#include "MinimalEngine.h"
+#include "MeshProcessor.h"
+#include "RenderPass.h"
+
+namespace Seele
+{
+class DepthPrepassMeshProcessor : public MeshProcessor
+{
+public:
+    DepthPrepassMeshProcessor(const PScene scene, Gfx::PViewport viewport, Gfx::PGraphics graphics);
+    virtual ~DepthPrepassMeshProcessor();
+    
+    virtual void addMeshBatch(
+        const MeshBatch& batch,
+        const Gfx::PRenderPass renderPass,
+        Gfx::PPipelineLayout pipelineLayout,
+        Gfx::PDescriptorLayout primitiveLayout,
+        Array<Gfx::PDescriptorSet>& descriptorSets,
+        int32 staticMeshId = -1) override;
+
+    Array<Gfx::PRenderCommand> getRenderCommands();
+    void clearCommands();
+private:
+    Array<Gfx::PRenderCommand> renderCommands;
+    Array<Gfx::PDescriptorSet> cachedPrimitiveSets;
+    Gfx::PViewport target;
+    uint32 cachedPrimitiveIndex;
+};
+DEFINE_REF(DepthPrepassMeshProcessor)
+DECLARE_REF(CameraActor)
+DECLARE_REF(CameraComponent)
+class DepthPrepass : public RenderPass
+{
+public:
+    DepthPrepass(PRenderGraph renderGraph, const PScene scene, Gfx::PGraphics graphics, Gfx::PViewport viewport, PCameraActor source);
+    ~DepthPrepass();
+    virtual void beginFrame() override;
+    virtual void render() override;
+    virtual void endFrame() override;
+    virtual void publishOutputs() override;
+    virtual void createRenderPass() override;
+    static void modifyRenderPassMacros(Map<const char*, const char*>& defines);
+private:
+    Gfx::PRenderTargetAttachment depthAttachment;
+    Gfx::PTexture2D depthBuffer;
+    UPDepthPrepassMeshProcessor processor;
+    const PScene scene;
+    Gfx::PGraphics graphics;
+    Gfx::PViewport viewport;
+    Array<Gfx::PDescriptorSet> descriptorSets;
+    PCameraComponent source;
+    Gfx::PPipelineLayout depthPrepassLayout;
+    // Set 0: viewParameter
+    static constexpr uint32 INDEX_VIEW_PARAMS = 0;
+    Gfx::PDescriptorLayout viewLayout;
+    Gfx::PUniformBuffer viewParamBuffer;
+    Gfx::PUniformBuffer screenToViewParamBuffer;
+    // Set 1: materials, generated
+    static constexpr uint32 INDEX_MATERIAL = 1;
+    // Set 2: primitive scene data
+    static constexpr uint32 INDEX_SCENE_DATA = 2;
+    Gfx::PDescriptorLayout primitiveLayout;
+    Gfx::PUniformBuffer primitiveUniformBuffer;
+    friend class DepthPrepassMeshProcessor;
+};
+DEFINE_REF(DepthPrepass)
+} // namespace Seele