Merge pull request #33 from teamfisk/Forward+

Forward+

include/Engine/Rendering/DrawFinalPass.h

@@ -0,0 +1,38 @@
+#ifndef DrawFinalPass_h__
+#define DrawFinalPass_h__
+
+#include "IRenderer.h"
+#include "DrawFinalPassState.h"
+#include "LightCullingPass.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawFinalPass
+{
+public:
+    DrawFinalPass(IRenderer* renderer, LightCullingPass* lightCullingPass);
+    ~DrawFinalPass() { }
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(RenderScene& scene);
+
+    //Getters
+
+
+private:
+    void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
+    Texture* m_WhiteTexture;
+
+    const IRenderer* m_Renderer;
+    const LightCullingPass* m_LightCullingPass;
+
+    ShaderProgram* m_ForwardPlusProgram;
+
+};
+
+#endif 

include/Engine/Rendering/DrawFinalPassState.h

@@ -0,0 +1,15 @@
+#ifndef DrawFinalPassState_h__
+#define DrawFinalPassState_h__
+
+#include "Rendering/RenderState.h"
+
+class DrawFinalPassState : public RenderState
+{
+public:
+    DrawFinalPassState();
+    ~DrawFinalPassState();
+private:
+
+};
+
+#endif

include/Engine/Rendering/IRenderer.h

@@ -9,6 +9,8 @@
 #include "Camera.h"
 #include "RenderQueue.h"
 #include "Model.h"
+#include "../Core/World.h" //So temp
+
 
 struct PickData
 {
@@ -43,6 +45,8 @@ public:
 	virtual void Draw(RenderFrame& rq) = 0;
     virtual PickData Pick(glm::vec2 screenCord) = 0;
 
+    World* m_World; //Temp world, untill viktor merge.
+
 protected:
 	Rectangle m_Resolution = Rectangle::Rectangle(1280, 720);
 	bool m_Fullscreen = false;

include/Engine/Rendering/LightCullingPass.h

@@ -0,0 +1,83 @@
+#ifndef LightCullingPass_h__
+#define LightCullingPass_h__
+
+#define TILE_SIZE 16 
+#define MAX_LIGHTS_PER_TILE 200
+
+#include "IRenderer.h"
+#include "LightCullingPassState.h"
+#include "ShaderProgram.h"
+#include "RenderQueue.h"
+
+
+class LightCullingPass
+{
+public:
+    LightCullingPass(IRenderer* renderer);
+    ~LightCullingPass();
+
+    void GenerateNewFrustum(RenderScene& scene);
+    void OnResolutionChange();
+    void SetSSBOSizes();
+    void CullLights(RenderScene& scene);
+    void FillLightList(RenderScene& scene);
+
+    GLuint FrustumSSBO() const { return m_FrustumSSBO; }
+    GLuint LightSSBO() const { return m_LightSSBO; }
+    GLuint LightGridSSBO() const { return m_LightGridSSBO; }
+    GLuint LightOffsetSSBO() const { return m_LightOffsetSSBO; }
+    GLuint LightIndexSSBO() const { return m_LightIndexSSBO; }
+private:
+
+    void InitializeSSBOs();
+    void InitializeShaderPrograms();
+
+    const IRenderer* m_Renderer;
+
+    GLuint m_FrustumSSBO = 0;
+    GLuint m_LightSSBO = 0;
+    GLuint m_LightGridSSBO = 0;
+    GLuint m_LightOffsetSSBO = 0;
+    GLuint m_LightIndexSSBO = 0;
+
+    ShaderProgram* m_CalculateFrustumProgram;
+    ShaderProgram* m_LightCullProgram;
+
+    int m_NumberOfTiles = 0;
+
+    struct Plane {
+        glm::vec3 Normal;
+        float d;
+    };
+
+    struct Frustum {
+        Plane Planes[4];
+    };
+    Frustum* m_Frustums;
+
+    //This should be a component
+    struct PointLight {
+        glm::vec4 Position = glm::vec4(0.f);
+        glm::vec4 Color = glm::vec4(1.f);
+        float Radius = 5.f;
+        float Intensity = 0.8f;
+        float Falloff = 0.3f;
+        float Padding = 1337;
+    };
+    std::vector<PointLight> m_PointLights;
+
+    struct LightGrid {
+        float Start;
+        float Amount;
+        glm::vec2 Padding;
+    };
+
+    LightGrid* m_LightGrid;
+
+    int m_LightOffset = 0;
+
+    float* m_LightIndex;
+};
+
+
+#endif

include/Engine/Rendering/ModelJob.h

@@ -44,7 +44,7 @@ struct ModelJob : RenderJob
     const ::Model* Model = nullptr;
     unsigned int StartIndex = 0;
     unsigned int EndIndex = 0;
-    const World* World;
+    World* World;
 
     void CalculateHash() override
     {

include/Engine/Rendering/PickingPass.h

@@ -1,6 +1,8 @@
 #ifndef PickingPass_h__
 #define PickingPass_h__
 
+
+
 #include "IRenderer.h"
 #include "PickingPassState.h"
 #include "FrameBuffer.h"
@@ -9,6 +11,8 @@
 #include "../Core/EventBroker.h"
 #include "../Core/World.h"
 
+
+
 class PickingPass
 {
 public:
@@ -21,7 +25,6 @@ public:
     void Draw(RenderScene& scene);
     void ClearPicking();
 
-
     //Getters
     const ShaderProgram& PickingProgram() const { return *m_PickingProgram; }
     //const std::unordered_map<glm::ivec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }

include/Engine/Rendering/PointLightJob.h

@@ -0,0 +1,39 @@
+#ifndef PointLightJob_h__
+#define PointLightJob_h__
+
+#include <cstdint>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/ComponentWrapper.h"
+#include "RenderJob.h"
+#include "../Core/Transform.h"
+#include "../Core/World.h"
+
+struct PointLightJob : RenderJob
+{
+    PointLightJob(ComponentWrapper transformComponent, ComponentWrapper pointLightComponent, World* m_World)
+        : RenderJob()
+    {
+        Position = glm::vec4((glm::vec3)transformComponent["Position"], 1.0f);
+        Position = glm::vec4(Transform::AbsolutePosition(m_World, transformComponent.EntityID), 1.f);
+        Color = (glm::vec4)pointLightComponent["Color"];
+        Radius = (double)pointLightComponent["Radius"];
+        Intensity = (double)pointLightComponent["Intensity"];
+        Falloff = (double)pointLightComponent["Falloff"];
+    };
+
+    glm::vec4 Position;
+    glm::vec4 Color;
+    float Radius;
+    float Intensity;
+    float Falloff;
+    float padding = 123;
+
+    void CalculateHash() override
+    {
+        Hash = 0;
+    }
+};
+
+#endif

include/Engine/Rendering/RenderQueue.h

@@ -11,7 +11,7 @@
 #include "Camera.h"
 #include "RenderJob.h"
 #include "ModelJob.h"
-
+#include "PointLightJob.h"
 
 
 /*
@@ -34,11 +34,12 @@ struct SpriteJob : RenderJob
 
 struct PointLightJob : RenderJob
 {
-	glm::vec3 Position;
-	glm::vec3 SpecularColor = glm::vec3(1, 1, 1);
-	glm::vec3 DiffuseColor = glm::vec3(1, 1, 1);
-	float Radius = 1.f;
-    float Intensity = 0.8f;
+    glm::vec4 Position;
+	glm::vec4 Color;
+	float Radius;
+    float Intensity;
+    float Falloff;
+    float padding = 123;
 
 	void CalculateHash() override
 	{
@@ -51,13 +52,13 @@ struct RenderScene
 {
     ::Camera* Camera;
     std::list<std::shared_ptr<RenderJob>> ForwardJobs;
-    std::list<std::shared_ptr<RenderJob>> LightJobs;
+    std::list<std::shared_ptr<RenderJob>> PointLightJobs;
     Rectangle Viewport;
 
 	void Clear()
 	{
         ForwardJobs.clear();
-        LightJobs.clear();
+        PointLightJobs.clear();
 	}
 };
 

include/Engine/Rendering/RenderSystem.h

@@ -13,6 +13,7 @@
 #include "Camera.h"
 #include "ModelJob.h"
 #include "Renderer.h"
+#include "PointLightJob.h"
 #include "../Core/Transform.h"
 #include "DebugCameraInputController.h"
 
@@ -45,6 +46,7 @@ private:
     void updateProjectionMatrix(ComponentWrapper& cameraComponent);
     
     void fillModels(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
+    void fillLight(std::list<std::shared_ptr<RenderJob>>& jobs, World* world);
 
     EventRelay<RenderSystem, Events::InputCommand> m_EInputCommand;
     bool OnInputCommand(const Events::InputCommand& e);

include/Engine/Rendering/Renderer.h

@@ -12,9 +12,12 @@
 #include "../Core/World.h"
 #include "PickingPass.h"
 #include "DrawScenePass.h"
+#include "LightCullingPass.h"
+#include "DrawFinalPass.h"
 #include "../Core/EventBroker.h"
 #include "ImGuiRenderPass.h"
 #include "Camera.h"
+#include "../Core/Transform.h"
 
 class Renderer : public IRenderer
 {
@@ -44,24 +47,26 @@ private:
 
     DrawScenePass* m_DrawScenePass;
     PickingPass* m_PickingPass;
+    LightCullingPass* m_LightCullingPass;
     ImGuiRenderPass* m_ImGuiRenderPass;
+    DrawFinalPass* m_DrawFinalPass;
 
     //----------------------Functions----------------------//
     void InitializeWindow();
     void InitializeShaders();
     void InitializeTextures();
-    void InitializeSSBOs();
     void InitializeRenderPasses();
     //TODO: Renderer: Get InputUpdate out of renderer
     void InputUpdate(double dt);
     //void PickingPass(RenderQueueCollection& rq);
     void DrawScreenQuad(GLuint textureToDraw);
 
+    static bool DepthSort(const std::shared_ptr<RenderJob> &i, const std::shared_ptr<RenderJob> &j) { return (i->Depth < j->Depth); }
+    void FillDepth(RenderScene& scene);
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type);
 	//--------------------ShaderPrograms-------------------//
 	ShaderProgram* m_BasicForwardProgram;
     ShaderProgram* m_DrawScreenQuadProgram;
-
 };
 
 #endif