Working stencil buffer for the shield.

src/Engine/Rendering/DrawFinalPass.cpp

@@ -21,17 +21,18 @@ void DrawFinalPass::InitializeFrameBuffers()
 {
     glGenRenderbuffers(1, &m_DepthBuffer);
     glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
-    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
 
     GenerateTexture(&m_SceneTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     //GenerateTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     GenerateTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT);
     //GenerateMipMapTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_FLOAT, 4);
 
-    m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
+    m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_STENCIL_ATTACHMENT)));
     m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SceneTexture, GL_COLOR_ATTACHMENT0)));
     m_FinalPassFrameBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_BloomTexture, GL_COLOR_ATTACHMENT1)));
     m_FinalPassFrameBuffer.Generate();
+    GLERROR("FBO generation");
 
 }
 
@@ -74,8 +75,10 @@ void DrawFinalPass::Draw(RenderScene& scene)
         glClear(GL_DEPTH_BUFFER_BIT);
     }
     //TODO: Do we need check for this or will it be per scene always?
+    glClearStencil(0x00);
     glClear(GL_STENCIL_BUFFER_BIT);
 
+    state->StencilMask(0x00);
     DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene);
     GLERROR("OpaqueObjects");
     DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene);
@@ -89,11 +92,13 @@ void DrawFinalPass::Draw(RenderScene& scene)
     GLERROR("StencilPass");
 
     //Draw Opaque shielded objects
-    //DrawShieldedModelRenderQueue(scene.Jobs.OpaqueShieldedObjects, scene);
+    state->StencilFunc(GL_NOTEQUAL, 1, 0xFF);
+    glStencilMask(0x00);
+    DrawShieldedModelRenderQueue(scene.Jobs.OpaqueShieldedObjects, scene);
     GLERROR("Shielded Opaque object");
 
     //Draw Transparen Shielded objects
-    //DrawShieldedModelRenderQueue(scene.Jobs.TransparentShieldedObjects, scene);
+    DrawShieldedModelRenderQueue(scene.Jobs.TransparentShieldedObjects, scene);
     GLERROR("Shielded Transparent objects");
 
     GLERROR("END");

src/Engine/Rendering/DrawFinalPassState.cpp

@@ -12,7 +12,7 @@ DrawFinalPassState::DrawFinalPassState(GLuint frameBuffer)
     Enable(GL_STENCIL_TEST);
     StencilFunc(GL_NOTEQUAL, 1, 0xFF);
     StencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
-    StencilMask(0x00);
+    StencilMask(0xFF);
     ClearColor(glm::vec4(0.f, 0.f, 0.f, 0.f));
 }
 

src/Engine/Rendering/FrameBuffer.cpp

@@ -57,17 +57,17 @@ void FrameBuffer::Generate()
             break;
         }
         
-
-        if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT) {
+        if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT || (*it)->m_Attachment != GL_STENCIL_ATTACHMENT || (*it)->m_Attachment != GL_DEPTH_STENCIL_ATTACHMENT) {
             attachments.push_back((*it)->m_Attachment);
         }
     }
-        
+
     GLenum* bufferTextures = &attachments[0];
     glDrawBuffers(attachments.size(), bufferTextures);
 
     if (GLenum frameBufferStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
-        LOG_ERROR("FrameBuffer incomplete: 0x%x\n", frameBufferStatus);
+        GLERROR("Framebuffer incomplete");
+        //LOG_ERROR("FrameBuffer incomplete: 0x%x\n", frameBufferStatus);
         exit(EXIT_FAILURE);
     }
 }

src/Engine/Rendering/RenderState.cpp

@@ -137,7 +137,7 @@ bool RenderState::DepthMask(GLboolean flag)
 
 RenderState::~RenderState()
 {
-    for (auto& f : m_ResetFunctions) {
+    for (auto& f : boost::adaptors::reverse(m_ResetFunctions)) {
         f();
     }
 }