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

include/Engine/Rendering/DrawBloomPass.h

@@ -0,0 +1,53 @@
+#ifndef DrawBloomPass_h__
+#define DrawBloomPass_h__
+
+#include "IRenderer.h"
+#include "DrawBloomPassState.h"
+//#include "LightCullingPass.h" Finalpass om den skall skickas in
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+//#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawBloomPass
+{
+public:
+    DrawBloomPass(IRenderer* renderer /* ,Texture or finalpass*/ );
+    ~DrawBloomPass() { }
+    void InitializeTextures();
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+    void InitializeBuffers();
+    void ClearBuffer();
+
+    void FillGaussianBuffer(FrameBuffer* fb);
+
+    void Draw(GLuint texture);
+
+    //Getters
+    //Return the blurred result of the texture that was sent into draw
+    GLuint GaussianTexture() const { return m_GaussianTexture_vert; }
+
+
+private:
+    void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+
+    Texture* m_WhiteTexture;
+    Model* m_ScreenQuad;
+
+    const IRenderer* m_Renderer;
+    //const LightCullingPass* m_LightCullingPass 
+    GLuint m_iterations = 9;
+
+    GLuint m_GaussianTexture_horiz;
+    GLuint m_GaussianTexture_vert;
+
+    FrameBuffer m_GaussianFrameBuffer_horiz;
+    FrameBuffer m_GaussianFrameBuffer_vert;
+
+    ShaderProgram* m_GaussianProgram_horiz;
+    ShaderProgram* m_GaussianProgram_vert;
+
+};
+
+#endif 

include/Engine/Rendering/DrawBloomPassState.h

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

include/Engine/Rendering/DrawColorCorrectionPass.h

@@ -0,0 +1,29 @@
+#ifndef DrawColorCorrectionPass_h__
+#define DrawColorCorrectionPass_h__
+
+#include "IRenderer.h"
+#include "DrawScreenQuadPassState.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+//#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawColorCorrectionPass
+{
+public:
+    DrawColorCorrectionPass(IRenderer* renderer);
+    ~DrawColorCorrectionPass() { }
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(GLuint sceneTexture, GLuint bloomTexture);
+private:
+    const IRenderer* m_Renderer;
+
+    ShaderProgram* m_ColorCorrectionProgram;
+
+    Model* m_ScreenQuad;
+    GLfloat m_Exposure;
+};
+
+#endif 

include/Engine/Rendering/DrawFinalPass.h

@@ -17,16 +17,27 @@ public:
     void InitializeTextures();
     void InitializeFrameBuffers();
     void InitializeShaderPrograms();
-
     void Draw(RenderScene& scene);
+    void ClearBuffer();
 
-    //Getters
+    //Return the texture that is used in later stages to apply the bloom effect
+    GLuint BloomTexture() const { return m_BloomTexture; }
+    //Return the texture with diffuse and lighting of the scene.
+    GLuint SceneTexture() const { return m_SceneTexture; }
+    FrameBuffer* FinalPassFrameBuffer() { return &m_FinalPassFrameBuffer; }
 
 
 private:
     void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
+    void GenerateMipMapTexture(GLuint* texture, GLenum wrapping, glm::vec2 dimensions, GLint format, GLenum type, GLint numMipMaps) const;
 
     Texture* m_WhiteTexture;
+    Texture* m_BlackTexture;
+
+    FrameBuffer m_FinalPassFrameBuffer;
+    GLuint m_BloomTexture;
+    GLuint m_SceneTexture;
+    GLuint m_DepthBuffer;
 
     const IRenderer* m_Renderer;
     const LightCullingPass* m_LightCullingPass;

include/Engine/Rendering/DrawFinalPassState.h

@@ -6,7 +6,7 @@
 class DrawFinalPassState : public RenderState
 {
 public:
-    DrawFinalPassState();
+    DrawFinalPassState(GLuint frameBuffer);
     ~DrawFinalPassState();
 private:
 

include/Engine/Rendering/DrawScreenQuadPass.h

@@ -0,0 +1,28 @@
+#ifndef DrawScreenQuadPass_h__
+#define DrawScreenQuadPass_h__
+
+#include "IRenderer.h"
+#include "DrawScreenQuadPassState.h"
+#include "FrameBuffer.h"
+#include "ShaderProgram.h"
+//#include "Util/UnorderedMapVec2.h"
+#include "Texture.h"
+
+class DrawScreenQuadPass
+{
+public:
+    DrawScreenQuadPass(IRenderer* renderer);
+    ~DrawScreenQuadPass() { }
+    void InitializeFrameBuffers();
+    void InitializeShaderPrograms();
+
+    void Draw(GLuint texture);
+private:
+    const IRenderer* m_Renderer;
+
+    ShaderProgram* m_DrawQuadProgram;
+
+    Model* m_ScreenQuad;
+};
+
+#endif 

include/Engine/Rendering/DrawScreenQuadPassState.h

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

include/Engine/Rendering/Renderer.h

@@ -13,10 +13,14 @@
 #include "PickingPass.h"
 #include "LightCullingPass.h"
 #include "DrawFinalPass.h"
+#include "DrawScreenQuadPass.h"
+#include "DrawBloomPass.h"
+#include "DrawColorCorrectionPass.h"
 #include "../Core/EventBroker.h"
 #include "ImGuiRenderPass.h"
 #include "Camera.h"
 #include "../Core/Transform.h"
+#include "imgui/imgui.h"
 #include "TextPass.h"
 
 class Renderer : public IRenderer
@@ -44,10 +48,15 @@ private:
     Model* m_UnitQuad;
     Model* m_UnitSphere;
 
+    int m_DebugTextureToDraw = 0;
+
     PickingPass* m_PickingPass;
     LightCullingPass* m_LightCullingPass;
     ImGuiRenderPass* m_ImGuiRenderPass;
     DrawFinalPass* m_DrawFinalPass;
+    DrawScreenQuadPass* m_DrawScreenQuadPass;
+    DrawBloomPass* m_DrawBloomPass;
+    DrawColorCorrectionPass* m_DrawColorCorrectionPass;
 
     //----------------------Functions----------------------//
     void InitializeWindow();
@@ -57,14 +66,13 @@ private:
     //TODO: Renderer: Get InputUpdate out of renderer
     void InputUpdate(double dt);
     //void PickingPass(RenderQueueCollection& rq);
-    void DrawScreenQuad(GLuint textureToDraw);
+    //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 SortRenderJobsByDepth(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;
+    ShaderProgram* m_BasicForwardProgram;
 };
 
 #endif

include/Engine/Rendering/TextPass.h

@@ -11,6 +11,7 @@
 #include "../Core/ResourceManager.h"
 #include "RenderQueue.h"
 #include "TextPassState.h"
+#include "FrameBuffer.h"
 
 class TextPass
 {
@@ -18,7 +19,7 @@ public:
     TextPass();
     void Initialize();
     void Update();
-    void Draw(RenderScene& scene);
+    void Draw(RenderScene& scene, FrameBuffer& frameBuffer);
 
 private:
     void renderText(std::string text, Font* font, TextJob::AlignmentEnum alignment, glm::vec4 color, glm::mat4 modelMatrix, glm::mat4 projectionMatrix, glm::mat4 viewMatrix);

include/Engine/Rendering/TextPassState.h

@@ -6,7 +6,7 @@
 class TextPassState : public RenderState
 {
 public:
-    TextPassState();
+    TextPassState(GLuint frameBuffer);
     ~TextPassState();
 private:
 

include/Engine/Rendering/Util/CommonFunctions.h

@@ -0,0 +1,17 @@
+#ifndef CommonFuntions_h__
+#define CommonFuntions_h__
+
+#include "../../Common.h"
+#include "../../OpenGL.h"
+#include "../../GLM.h"
+
+class CommonFuntions
+{
+public:
+    CommonFuntions() = delete;
+
+private:
+
+};
+
+#endif