Merge remote-tracking branch 'origin/master' into SmallFixes-Tobias

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

include/Engine/Rendering/SSAOPass.h

@@ -14,14 +14,11 @@ class SSAOPass
 {
 public:
 	SSAOPass(IRenderer* rendere);
-	~SSAOPass() { 
+	~SSAOPass() { };
-		delete m_DrawBloomPass;
-	};
 
 	void Draw(GLuint depthBuffer, Camera* camera);
 	void Setting(float radius, float bias, float contrast, float intensityScale, int numOfSamples, int NumOfTurns);
 	void ClearBuffer();
-	void OnWindowResize();
 
 	//Return the SSAO of the texture sent to Draw
 	GLuint SSAOTexture() const { return m_DrawBloomPass->GaussianTexture(); }
@@ -34,6 +31,7 @@ private:
 
 	void GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const;
 
+	void ComputeAO(GLuint depthBuffer, Camera* camera);
 	//void blurHorizontal(GLuint depthBuffer);
 	//void blurVertical(GLuint depthBuffer);
 

resources/Shaders/ForwardPlus.frag.glsl

@@ -76,7 +76,7 @@ struct LightResult {
 };
 
 float CalcAttenuation(float radius, float dist, float falloff) {
-	return 1.0 - smoothstep(radius * 0.3, radius, dist);
+	return 1.0 - smoothstep(radius * falloff, radius, dist);
 }
 
 vec4 CalcSpecular(vec4 lightColor, vec4 viewVec,  vec4 lightVec, vec4 normal) {
@@ -174,7 +174,7 @@ void main()
 	sceneColor = vec4(color_result.xyz, clamp(color_result.a, 0, 1));
 	color_result += glowTexel*GlowIntensity;
 
-	bloomColor = vec4(clamp(color_result.xyz - 1.0, 0, 100), 1.0);
+	bloomColor = vec4(clamp(color_result.xyz - 1.0, 0, 100), clamp(color_result.a, 0, 1));
 
 	//Tiled Debug Code
 	/*

src/Engine/Rendering/DrawFinalPass.cpp

@@ -192,8 +192,10 @@ void DrawFinalPass::Draw(RenderScene& scene, GLuint SSAOTexture)
     state->StencilMask(0x00);
     DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene, SSAOTexture);
     GLERROR("OpaqueObjects");
+    state->BlendFunc(GL_ONE, GL_ONE);
     DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene, SSAOTexture);
     GLERROR("TransparentObjects");
+    state->BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     DrawSprites(scene.Jobs.SpriteJob, scene);
     GLERROR("SpriteJobs");
 

src/Engine/Rendering/PickingPass.cpp

@@ -21,13 +21,23 @@ void PickingPass::InitializeTextures()
 {
     GenerateTexture(&m_PickingTexture, GL_CLAMP_TO_BORDER, GL_LINEAR,
         glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RG8, GL_RG, GL_UNSIGNED_BYTE);
-
-	GenerateTexture(&m_DepthBuffer, GL_CLAMP_TO_BORDER, GL_NEAREST,
-		glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8);
 }
 
 void PickingPass::InitializeFrameBuffers()
 {
+   /* glGenRenderbuffers(1, &m_DepthBuffer);
+    glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);*/
+
+	glGenTextures(1, &m_DepthBuffer);
+
+	glBindTexture(GL_TEXTURE_2D, m_DepthBuffer);
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, (int)(m_Renderer->GetViewportSize().Width), (int)(m_Renderer->GetViewportSize().Height), 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
+
     m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
     m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0)));
     m_PickingBuffer.Generate();
@@ -372,6 +382,8 @@ void PickingPass::ClearPicking()
 void PickingPass::OnWindowResize()
 {
     InitializeTextures();
+    glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
     m_PickingBuffer.Generate();
 }
 

src/Engine/Rendering/Renderer.cpp

@@ -30,7 +30,6 @@ void Renderer::glfwFrameBufferCallback(GLFWwindow* window, int width, int height
     currentRenderer->m_LightCullingPass->OnWindowResize();
     currentRenderer->m_PickingPass->OnWindowResize();
     currentRenderer->m_DrawBloomPass->OnWindowResize();
-	currentRenderer->m_SSAOPass->OnWindowResize();
 }
 
 void Renderer::InitializeWindow()
@@ -127,7 +126,6 @@ void Renderer::Draw(RenderFrame& frame)
     m_PickingPass->ClearPicking();
     m_DrawFinalPass->ClearBuffer();
     m_DrawBloomPass->ClearBuffer();
-	m_SSAOPass->ClearBuffer();
     PerformanceTimer::StopTimer("Renderer-ClearBuffers");
 	for (auto scene : frame.RenderScenes) {
 		PerformanceTimer::StartTimer("Renderer-Depth");

src/Engine/Rendering/SSAOPass.cpp

@@ -6,7 +6,6 @@ SSAOPass::SSAOPass(IRenderer* renderer)
 
 	m_ScreenQuad = ResourceManager::Load<Model>("Models/Core/ScreenQuad.mesh");
 
-	InitializeTexture();
 	InitializeBuffer();
 	InitializeShaderProgram();
 	Setting(0.1f, 0.012f, 1.0f, 1.0f, 13, 7);
@@ -29,16 +28,16 @@ void SSAOPass::InitializeShaderProgram()
 	m_SSAOViewSpaceZProgram->Link();
 }
 
-void SSAOPass::InitializeTexture() {
-	GenerateTexture(&m_SSAOTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R8, GL_RED, GL_FLOAT);
-	GenerateTexture(&m_SSAOViewSpaceZTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R32F, GL_RED, GL_FLOAT);
-}
 
 void SSAOPass::InitializeBuffer()
 {
+	GenerateTexture(&m_SSAOTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R8, GL_RED, GL_FLOAT);
+
 	m_SSAOFramBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SSAOTexture, GL_COLOR_ATTACHMENT0)));
 	m_SSAOFramBuffer.Generate();
 
+	GenerateTexture(&m_SSAOViewSpaceZTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R32F, GL_RED, GL_FLOAT);
+
 	m_SSAOViewSpaceZFramBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SSAOViewSpaceZTexture, GL_COLOR_ATTACHMENT0)));
 	m_SSAOViewSpaceZFramBuffer.Generate();
 }
@@ -46,12 +45,12 @@ void SSAOPass::InitializeBuffer()
 void SSAOPass::ClearBuffer()
 {
 	m_SSAOFramBuffer.Bind();
-	glClearColor(1.f, 1.f, 1.f, 1.f);
+	glClearColor(0.f, 0.f, 0.f, 0.f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	m_SSAOFramBuffer.Unbind();
 
 	m_SSAOViewSpaceZFramBuffer.Bind();
-	glClearColor(1.f, 1.f, 1.f, 1.f);
+	glClearColor(0.f, 0.f, 0.f, 0.f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	m_SSAOViewSpaceZFramBuffer.Unbind();
 }
@@ -137,9 +136,6 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera)
 	m_DrawBloomPass->Draw(m_SSAOTexture);
 }
 
-void SSAOPass::OnWindowResize() {
+void ComputeAO(GLuint depthBuffer, Camera* camera) {
-	m_DrawBloomPass->OnWindowResize();
+
-	InitializeTexture();
-	m_SSAOFramBuffer.Generate();
-	m_SSAOViewSpaceZFramBuffer.Generate();
 }