Merge remote-tracking branch 'origin/master' into Input

# Conflicts:
#	src/Engine/Rendering/Renderer.cpp

include/Engine/Rendering/DrawScenePass.h

@@ -0,0 +1,36 @@
+#ifndef DrawScenePass_h__
+#define DrawScenePass_h__
+
+#include "IRenderer.h"
+#include "DrawScenePassState.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawScenePass
+{
+public:
+    DrawScenePass(IRenderer* renderer);
+    ~DrawScenePass() { }
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(RenderQueueCollection& rq);
+
+    //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;
+
+    ShaderProgram* m_BasicForwardProgram;
+
+};
+
+#endif 

include/Engine/Rendering/DrawScenePassState.h

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

include/Engine/Rendering/PickingPass.h

@@ -0,0 +1,49 @@
+#ifndef PickingPass_h__
+#define PickingPass_h__
+
+#include "IRenderer.h"
+#include "PickingPassState.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+#include "Util/UnorderedMapVec2.h"
+#include "../Core/EventBroker.h"
+#include "EPicking.h"
+
+class PickingPass
+{
+public:
+    PickingPass(IRenderer* renderer, EventBroker* eb);
+    ~PickingPass();
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(RenderQueueCollection& rq);
+
+
+    //Getters
+    const ShaderProgram& PickingProgram() const { return *m_PickingProgram; }
+    const std::unordered_map<glm::vec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }
+    GLuint PickingTexture() const { return m_PickingTexture; }
+    GLuint DepthBuffer() const { return m_DepthBuffer; }
+    const FrameBuffer& PickingBuffer() const { return m_PickingBuffer; }
+
+
+private:
+    void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
+    EventBroker* m_EventBroker;
+
+    const IRenderer* m_Renderer;
+
+    ShaderProgram* m_PickingProgram;
+
+    std::unordered_map<glm::vec2, EntityID> m_PickingColorsToEntity;
+
+    GLuint m_PickingTexture;
+    GLuint m_DepthBuffer;
+
+    FrameBuffer m_PickingBuffer;
+};
+
+#endif 

include/Engine/Rendering/PickingPassState.h

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

include/Engine/Rendering/RenderState.h

@@ -0,0 +1,23 @@
+#ifndef RenderState_h__
+#define RenderState_h__
+
+#include "../Common.h"
+#include "../OpenGL.h"
+#include "../GLM.h"
+
+class RenderState 
+{
+public:
+    RenderState();
+    ~RenderState();
+    bool Enable(GLenum GLEnable);
+    bool CullFace(GLenum GlFaceToCull);
+    bool ClearColor(glm::vec4 color);
+    bool Clear(GLbitfield mask);
+    bool BindBuffer(GLint buffer);
+private:
+    std::vector<GLenum> m_Enables;
+    float m_preClearColor[4];
+    int m_preBuffer;
+};
+#endif

include/Engine/Rendering/Renderer.h

@@ -10,6 +10,21 @@
 #include "Util/UnorderedMapVec2.h"
 #include "FrameBuffer.h"
 #include "../Core/World.h"
+#include "PickingPass.h"
+#include "DrawScenePass.h"
+
+
+#define TILE_SIZE 16 
+#define NUM_LIGHTS 3
+
+
+enum lightType 
+{
+    Point,
+    Spot,
+    Directional,
+    Area
+};
 
 #include "../Core/EventBroker.h"
 #include "EPicking.h"
@@ -21,44 +36,87 @@ public:
         : m_EventBroker(eventBroker)
     { }
 
-	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----------------------//
+    //----------------------Variables----------------------//
     EventBroker* m_EventBroker;
 
-	Texture* m_ErrorTexture;
-	Texture* m_WhiteTexture;
-	float m_CameraMoveSpeed;
-    FrameBuffer m_PickingBuffer;
-    GLuint m_PickingTexture;
-    GLuint m_DepthBuffer;
+    Texture* m_ErrorTexture;
+    Texture* m_WhiteTexture;
+    float m_CameraMoveSpeed;
 
     Model* m_ScreenQuad;
     Model* m_UnitQuad;
     Model* m_UnitSphere;
 
-    std::unordered_map<glm::vec2, EntityID> m_PickingColorsToEntity;
+    DrawScenePass* m_DrawScenePass;
+    PickingPass* m_PickingPass;
 
-	//----------------------Functions----------------------//
-	void InitializeWindow();
-	void InitializeShaders();
+    //----------------------Functions----------------------//
+    void InitializeWindow();
+    void InitializeShaders();
     void InitializeTextures();
-    void InitializeFrameBuffers();
+    void InitializeSSBOs();
+    void InitializeRenderPasses();
     //TODO: Renderer: Get InputUpdate out of renderer
-	void InputUpdate(double dt);
-    void PickingPass(RenderQueueCollection& rq);
+    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 Planes[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 = 0;
+    GLuint m_LightSSBO = 1;
+    GLuint m_LightGridSSBO = 2;
+    GLuint m_LightOffsetSSBO = 3;
+    GLuint m_LightIndexSSBO = 4;
 
     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_BasicForwardProgram;
+    ShaderProgram* m_DrawScreenQuadProgram;
+    ShaderProgram* m_CalculateFrustumProgram;
+    ShaderProgram* m_LightCullProgram;
+
 };
 
 #endif

include/Engine/Rendering/ShaderProgram.h

@@ -1,6 +1,9 @@
+#ifndef ShaderProgram_h__
+#define ShaderProgram_h__
 
 #include "../Common.h"
 #include "../OpenGL.h"
+#include "../Core/ResourceManager.h"
 #include <fstream>
 
 class Shader
@@ -60,11 +63,13 @@ public:
 		: ShaderType(fileName) { }
 };
 
-class ShaderProgram
+class ShaderProgram : public Resource
 {
-public:
-	ShaderProgram()
+    friend class ResourceManager;
+private:
+	ShaderProgram(std::string)
 		: m_ShaderProgramHandle(0) { }
+public:
 	~ShaderProgram();
 
 	void AddShader(std::shared_ptr<Shader> shader);
@@ -79,3 +84,5 @@ private:
 	GLuint m_ShaderProgramHandle;
 	std::vector<std::shared_ptr<Shader>> m_Shaders;
 };
+
+#endif

include/Engine/Rendering/Util/GLError.h

@@ -9,7 +9,7 @@ inline bool _GLERROR(const char* info, const char* file, const char* func, unsig
 	GLenum error = glGetError();
 	if (error != GL_NO_ERROR)
 	{
-		_LOG(LOG_LEVEL_ERROR, file, func, line, "GL Error: %s %i %s", info, error, gluErrorString(error));
+		_LOG(LOG_LEVEL_ERROR, file, func, line, "GL Error: %s, %i, %s", info, error, gluErrorString(error));
 		return true;
 	}