Framework for Forward+ renderer, Buggy.

include/Engine/Rendering/Renderer.h

@@ -11,18 +11,30 @@
 #include "FrameBuffer.h"
 #include "../Core/World.h"
 
+#define TILE_SIZE 16 
+#define NUM_LIGHTS 3
+
+
+enum lightType 
+{
+    Point,
+    Spot,
+    Directional,
+    Area
+};
+
 class Renderer : public IRenderer
 {
 public:
-	virtual void Initialize() override;
-	virtual void Update(double dt) override;
-	virtual void Draw(RenderQueueCollection& rq) override;
+    virtual void Initialize() override;
+    virtual void Update(double dt) override;
+    virtual void Draw(RenderQueueCollection& rq) override;
 
 private:
-	//----------------------Variables----------------------//
-	Texture* m_ErrorTexture;
-	Texture* m_WhiteTexture;
-	float m_CameraMoveSpeed;
+    //----------------------Variables----------------------//
+    Texture* m_ErrorTexture;
+    Texture* m_WhiteTexture;
+    float m_CameraMoveSpeed;
     FrameBuffer m_PickingBuffer;
     GLuint m_PickingTexture;
     GLuint m_DepthBuffer;
@@ -32,26 +44,76 @@ private:
     Model* m_UnitSphere;
 
 
-    
+
     std::unordered_map<glm::vec2, EntityID> m_PickingColorsToEntity;
 
-	//----------------------Functions----------------------//
-	void InitializeWindow();
-	void InitializeShaders();
+    //----------------------Functions----------------------//
+    void InitializeWindow();
+    void InitializeShaders();
     void InitializeTextures();
     void InitializeFrameBuffers();
+    void InitializeSSBOs();
     //TODO: Renderer: Get InputUpdate out of renderer
-	void InputUpdate(double dt);
+    void InputUpdate(double dt);
     void PickingPass(RenderQueueCollection& rq);
     void DrawScreenQuad(GLuint textureToDraw);
     void DrawScene(RenderQueueCollection& rq);
 
+    //----------------------Forward+-----------------------//
+    void CalculateFrustum();
+    void CullLights();
+    //Frustum
+    struct Plane
+    {
+        glm::vec3 Normal;
+        float d;
+    };
+
+    struct Frustum
+    {
+        Plane plane[4];
+    };
+    Frustum m_Frustums[80*45]; //TODO: Renderer: Make this change with resolution
+
+    //Lights
+    void TEMPCreateLights();
+    //TODO: Renderer: Add Directionllights, spotlights and area lights to this as type.
+    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;
+    };
+    PointLight m_PointLights[NUM_LIGHTS];
+
+    struct LightGrid {
+        int Amount;
+        int Start;
+        glm::vec2 Padding;
+    };
+    LightGrid m_LightGrid[80*45];
+
+    int m_LightOffset = 0;
+
+    int m_LightIndex[80*45*200];
+
+    //-------------------------SSBO------------------------//
+    GLuint m_FrustumSSBO;
+    GLuint m_LightSSBO;
+    GLuint m_LightGridSSBO;
+    GLuint m_LightOffsetSSBO;
+    GLuint m_LightIndexSSBO;
 
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type);
 	//--------------------ShaderPrograms-------------------//
 	ShaderProgram m_BasicForwardProgram;
     ShaderProgram m_PickingProgram;
     ShaderProgram m_DrawScreenQuadProgram;
+    ShaderProgram m_CalculateFrustumProgram;
+    ShaderProgram m_LightCullProgram;
+
 };
 
 #endif