WIP fix?

include/Engine/Rendering/DrawBloomPass.h

@@ -12,7 +12,7 @@
 class DrawBloomPass
 {
 public:
-    DrawBloomPass(IRenderer* renderer /* ,Texture or finalpass*/ );
+    DrawBloomPass(IRenderer* renderer, ConfigFile* config);
     ~DrawBloomPass() { }
     void InitializeTextures();
     void InitializeFrameBuffers();
@@ -23,23 +23,34 @@ public:
     void FillGaussianBuffer(FrameBuffer* fb);
 
     void Draw(GLuint texture);
+	void ChangeQuality(int quality);
 
     void OnWindowResize();
 
     //Getters
     //Return the blurred result of the texture that was sent into draw
-    GLuint GaussianTexture() const { return m_GaussianTexture_vert; }
+	GLuint GaussianTexture() const {
+		if (m_Quality == 0) {
+			return m_BlackTexture->m_Texture;
+		}
+		else {
+			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;
+    Texture* m_BlackTexture;
     Model* m_ScreenQuad;
 
     const IRenderer* m_Renderer;
+	ConfigFile* m_Config;
     //const LightCullingPass* m_LightCullingPass 
-    GLuint m_iterations = 9;
+	int m_Iterations = 7;
+	int m_Quality = 3;
 
     GLuint m_GaussianTexture_horiz;
     GLuint m_GaussianTexture_vert;

include/Engine/Rendering/Renderer.h

@@ -64,6 +64,7 @@ private:
     int m_CubeMapTexture = 0;
     bool m_ResizeWindow = false;
 	int m_SSAO_Quality = 0;
+	int m_GLOW_Quality = 2;
 
     PickingPass* m_PickingPass;
     LightCullingPass* m_LightCullingPass;

include/Engine/Rendering/SSAOPass.h

@@ -64,7 +64,7 @@ private:
 	int m_NumOfTurns;
 	int m_Iterations;
 	int m_TextureQuality;
-	int m_Quality;
+	int m_Quality = 0;
 
 	Texture* m_WhiteTexture;
 

src/Engine/Rendering/DrawBloomPass.cpp

@@ -1,19 +1,42 @@
 #include "Rendering/DrawBloomPass.h"
 
-DrawBloomPass::DrawBloomPass(IRenderer* renderer)
+DrawBloomPass::DrawBloomPass(IRenderer* renderer, ConfigFile* config)
+	: m_Renderer(renderer)
+	, m_Config(config)
 {
-    m_Renderer = renderer;
+	InitializeTextures();
 
-    m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.mesh");
-
-    InitializeTextures();
-    InitializeBuffers();
-    InitializeShaderPrograms();
+	ChangeQuality(m_Config->Get<int>("GLOW.Quality", 2));
 }
 
 void DrawBloomPass::InitializeTextures()
 {
-    m_WhiteTexture = CommonFunctions::LoadTexture("Textures/Core/White.png", false);
+    m_BlackTexture = CommonFunctions::LoadTexture("Textures/Core/Black.png", false);
+}
+
+void DrawBloomPass::ChangeQuality(int quality)
+{
+	if (m_Quality == quality) {
+		return;
+	}
+	m_Quality = quality;
+
+	m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.mesh");
+
+	if (m_Quality == 0) {
+		glDeleteTextures(1, &m_GaussianTexture_horiz);
+		glDeleteTextures(1, &m_GaussianTexture_vert);
+		return;
+	}
+
+	InitializeTextures();
+	InitializeBuffers();
+	InitializeShaderPrograms();
+	std::string qStr = std::to_string(m_Quality);
+	m_Iterations = m_Config->Get<float>("GLOW" + qStr + ".NumIterations", 0);
+
+	InitializeBuffers();
+	InitializeShaderPrograms();
 }
 
 void DrawBloomPass::InitializeShaderPrograms()
@@ -40,18 +63,25 @@ void DrawBloomPass::InitializeBuffers()
 {
     GenerateTexture(&m_GaussianTexture_horiz, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
 
-    m_GaussianFrameBuffer_horiz.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_GaussianTexture_horiz, GL_COLOR_ATTACHMENT0)));
-    m_GaussianFrameBuffer_horiz.Generate();
+	if (m_GaussianFrameBuffer_horiz.GetHandle() == 0) {
+		m_GaussianFrameBuffer_horiz.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_GaussianTexture_horiz, GL_COLOR_ATTACHMENT0)));
+	}
+	m_GaussianFrameBuffer_horiz.Generate();
 
     GenerateTexture(&m_GaussianTexture_vert, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
 
-    m_GaussianFrameBuffer_vert.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_GaussianTexture_vert, GL_COLOR_ATTACHMENT0)));
-    m_GaussianFrameBuffer_vert.Generate();
+	if (m_GaussianFrameBuffer_vert.GetHandle() == 0) {
+		m_GaussianFrameBuffer_vert.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_GaussianTexture_vert, GL_COLOR_ATTACHMENT0)));
+	}
+	m_GaussianFrameBuffer_vert.Generate();
 }
 
 
 void DrawBloomPass::ClearBuffer()
 {
+	if (m_Quality == 0) {
+		return;
+	}
     GLERROR("PRE");
     m_GaussianFrameBuffer_horiz.Bind();
     glClearColor(0.f, 0.f, 0.f, 0.f);
@@ -66,6 +96,9 @@ void DrawBloomPass::ClearBuffer()
 
 void DrawBloomPass::Draw(GLuint texture)
 {
+	if (m_Quality == 0) {
+		return;
+	}
     GLERROR("DrawBloomPass::Draw: Pre");
 
     DrawBloomPassState state;
@@ -84,7 +117,7 @@ void DrawBloomPass::Draw(GLuint texture)
     glDrawElementsBaseVertex(GL_TRIANGLES, m_ScreenQuad->MaterialGroups()[0].material->EndIndex - m_ScreenQuad->MaterialGroups()[0].material->StartIndex +1
         , GL_UNSIGNED_INT, 0, m_ScreenQuad->MaterialGroups()[0].material->StartIndex);
     //Iterate some times to make it more gaussian.
-    for (int i = 1; i < m_iterations; i++) {
+    for (int i = 1; i < m_Iterations; i++) {
         //Vertical pass
         m_GaussianFrameBuffer_vert.Bind();
         m_GaussianProgram_vert->Bind();
@@ -125,6 +158,9 @@ void DrawBloomPass::Draw(GLuint texture)
 
 void DrawBloomPass::OnWindowResize()
 {
+	if (m_Quality == 0) {
+		return;
+	}
     GenerateTexture(&m_GaussianTexture_vert, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     m_GaussianFrameBuffer_vert.Generate();
     GenerateTexture(&m_GaussianTexture_horiz, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
@@ -133,6 +169,7 @@ void DrawBloomPass::OnWindowResize()
 
 void DrawBloomPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const
 {
+	glDeleteTextures(1, texture);
     glGenTextures(1, texture);
     glBindTexture(GL_TEXTURE_2D, *texture);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapping);

src/Engine/Rendering/DrawFinalPass.cpp

@@ -162,14 +162,14 @@ void DrawFinalPass::InitializeShaderPrograms()
 
     m_FillDepthBufferProgram = ResourceManager::Load<ShaderProgram>("#FillDepthBufferProgram");
     m_FillDepthBufferProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/FillDepthBuffer.vert.glsl")));
-    m_FillDepthBufferProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/FillDepthBuffer.frag.glsl")));
+   // m_FillDepthBufferProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/FillDepthBuffer.frag.glsl")));
     m_FillDepthBufferProgram->Compile();
     m_FillDepthBufferProgram->Link();
     GLERROR("Creating DepthFill program");
 
     m_FillDepthBufferSkinnedProgram = ResourceManager::Load<ShaderProgram>("#FillDepthBufferProgramSkinned");
     m_FillDepthBufferSkinnedProgram->AddShader(std::shared_ptr<Shader>(new VertexShader("Shaders/FillDepthBufferSkinned.vert.glsl")));
-    m_FillDepthBufferSkinnedProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/FillDepthBuffer.frag.glsl")));
+   // m_FillDepthBufferSkinnedProgram->AddShader(std::shared_ptr<Shader>(new FragmentShader("Shaders/FillDepthBuffer.frag.glsl")));
     m_FillDepthBufferSkinnedProgram->Compile();
     m_FillDepthBufferSkinnedProgram->Link();
     GLERROR("Creating DepthFill program");

src/Engine/Rendering/DrawFinalPassState.cpp

@@ -9,6 +9,7 @@ DrawFinalPassState::DrawFinalPassState(GLuint frameBuffer)
     BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     Enable(GL_DEPTH_TEST);
     Enable(GL_CULL_FACE);
+	glDepthFunc(GL_LEQUAL);
     Enable(GL_STENCIL_TEST);
     StencilFunc(GL_NOTEQUAL, 1, 0xFF);
     StencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);

src/Engine/Rendering/Renderer.cpp

@@ -4,6 +4,8 @@ std::unordered_map<GLFWwindow*, Renderer*> Renderer::m_WindowToRenderer;
 
 void Renderer::Initialize()
 {
+	m_SSAO_Quality = m_Config->Get<int>("SSAO.Quality", 0);
+	m_GLOW_Quality = m_Config->Get<int>("GLOW.Quality", 0);
 	InitializeWindow();
     
     InitializeRenderPasses();
@@ -107,6 +109,7 @@ void Renderer::Update(double dt)
 void Renderer::Draw(RenderFrame& frame)
 {
     GLERROR("PRE");
+	glBindFramebuffer(GL_FRAMEBUFFER, 0);
     ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking\0Ambient Occlusion");
     ImGui::Combo("CubeMap", &m_CubeMapTexture, "Nevada(512)\0Sky(1024)");
     if(m_CubeMapTexture == 0) {
@@ -115,7 +118,10 @@ void Renderer::Draw(RenderFrame& frame)
         m_CubeMapPass->LoadTextures("Sky");
     }
 
+	ImGui::SliderInt("SSAO Quality", &m_SSAO_Quality, 0, 3);
+	ImGui::SliderInt("Glow Quality", &m_GLOW_Quality, 0, 3);
 	m_SSAOPass->ChangeQuality(m_SSAO_Quality);
+	m_DrawBloomPass->ChangeQuality(m_GLOW_Quality);
     GLERROR("SSAO Settings");
     //clear buffer 0
     glClearColor(0.f, 0.f, 0.f, 0.f);
@@ -245,7 +251,7 @@ void Renderer::InitializeRenderPasses()
 	m_SSAOPass = new SSAOPass(this, m_Config);
     m_DrawFinalPass = new DrawFinalPass(this, m_LightCullingPass, m_CubeMapPass, m_SSAOPass);
     m_DrawScreenQuadPass = new DrawScreenQuadPass(this);
-    m_DrawBloomPass = new DrawBloomPass(this);
+    m_DrawBloomPass = new DrawBloomPass(this, m_Config);
     m_DrawColorCorrectionPass = new DrawColorCorrectionPass(this);
   
 }

src/Engine/Rendering/SSAOPass.cpp

@@ -6,13 +6,7 @@ SSAOPass::SSAOPass(IRenderer* renderer, ConfigFile* config)
 {
 	m_WhiteTexture = CommonFunctions::LoadTexture("Textures/Core/White.png", false);
 
-	m_Quality = m_Config->Get<int>("SSAO.Quality", 0);
-	if (m_Quality == 0) {	
-		return;
-	}
-	
-	ChangeQuality(m_Quality);
-
+	ChangeQuality(m_Config->Get<int>("SSAO.Quality", 0));
 }
 
 void SSAOPass::ChangeQuality(int quality)
@@ -127,7 +121,9 @@ void SSAOPass::InitializeBuffer()
 
 void SSAOPass::ClearBuffer()
 {
-	return;
+	if (m_Quality == 0) {
+		return;
+	}
 
 	m_SSAOFramBuffer.Bind();
 	glClearColor(1.f, 1.f, 1.f, 1.f);