You can now change resolution without any apparent bugs.

include/Engine/Rendering/DrawFinalPass.h

@@ -20,6 +20,7 @@ public:
     void InitializeShaderPrograms();
     void Draw(RenderScene& scene);
     void ClearBuffer();
+    void OnWindowResize();
 
     //Return the texture that is used in later stages to apply the bloom effect
     GLuint BloomTexture() const { return m_BloomTexture; }
@@ -31,7 +32,6 @@ public:
     FrameBuffer* FinalPassFrameBuffer() { return &m_FinalPassFrameBuffer; }
     FrameBuffer* FinalPassFrameBufferLowRes() { return &m_FinalPassFrameBufferLowRes; }
 
-
 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;

include/Engine/Rendering/LightCullingPass.h

@@ -21,6 +21,7 @@ public:
     void SetSSBOSizes();
     void CullLights(RenderScene& scene);
     void FillLightList(RenderScene& scene);
+    void OnWindowResize();
 
     GLuint FrustumSSBO() const { return m_FrustumSSBO; }
     GLuint LightSSBO() const { return m_LightSSBO; }

include/Engine/Rendering/PickingPass.h

@@ -22,6 +22,8 @@ public:
     void Draw(RenderScene& scene);
     void ClearPicking();
 
+    void OnWindowResize();
+
     //Getters
     const ShaderProgram& PickingProgram() const { return *m_PickingProgram; }
     //const std::unordered_map<glm::ivec2, EntityID>& PickingColorsToEntity() const { return m_PickingColorsToEntity; }

include/Engine/Rendering/Renderer.h

@@ -26,6 +26,8 @@
 
 class Renderer : public IRenderer
 {
+    static void glfwFrameBufferCallback(GLFWwindow* window, int width, int height);
+
 public:
     Renderer(EventBroker* eventBroker) 
         : m_EventBroker(eventBroker)
@@ -37,8 +39,12 @@ public:
 
     virtual PickData Pick(glm::vec2 screenCoord) override;
 
+
 private:
     //----------------------Variables----------------------//
+
+    static std::unordered_map <GLFWwindow*, Renderer*> m_WindowToRenderer;
+
     EventBroker* m_EventBroker;
     TextPass* m_TextPass;
 
@@ -50,6 +56,7 @@ private:
     Model* m_UnitSphere;
 
     int m_DebugTextureToDraw = 0;
+    bool m_ResizeWindow = false;
 
     PickingPass* m_PickingPass;
     LightCullingPass* m_LightCullingPass;