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WIP stencil stuff

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This commit is contained in:
Tleety
2016-02-04 17:58:36 +01:00
parent 7c582898f4
commit c526a7af55
4 changed files with 71 additions and 7 deletions
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src/Engine/Rendering/DrawFinalPass.cpp
+41 -2
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@@ -22,18 +22,33 @@ void DrawFinalPass::InitializeFrameBuffers()
glGenRenderbuffers(1, &m_DepthBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
GLERROR("RenderBuffer generation");
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);
//GenerateTexture(&m_StencilTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_STENCIL, GL_STENCIL_INDEX8, GL_INT);
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_StencilTexture, GL_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");
GenerateTexture(&m_SceneTextureLowRes, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width/16, m_Renderer->GetViewportSize().Height/16), 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_BloomTextureLowRes, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width/16, m_Renderer->GetViewportSize().Height/16), 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);
//GenerateTexture(&m_StencilTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_STENCIL, GL_STENCIL_INDEX8, GL_INT);
m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_STENCIL_ATTACHMENT)));
//m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_StencilTexture, GL_STENCIL_ATTACHMENT)));
m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_SceneTextureLowRes, GL_COLOR_ATTACHMENT0)));
m_FinalPassFrameBufferLowRes.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_BloomTextureLowRes, GL_COLOR_ATTACHMENT1)));
m_FinalPassFrameBufferLowRes.Generate();
GLERROR("FBO2 generation");
}
void DrawFinalPass::InitializeShaderPrograms()
@@ -93,7 +108,7 @@ void DrawFinalPass::Draw(RenderScene& scene)
//Draw Opaque shielded objects
state->StencilFunc(GL_NOTEQUAL, 1, 0xFF);
glStencilMask(0x00);
state->StencilMask(0x00);
DrawShieldedModelRenderQueue(scene.Jobs.OpaqueShieldedObjects, scene);
GLERROR("Shielded Opaque object");
@@ -103,7 +118,26 @@ void DrawFinalPass::Draw(RenderScene& scene)
GLERROR("END");
delete state;
//delete stencilState;
DrawFinalPassState* stateLowRes = new DrawFinalPassState(m_FinalPassFrameBufferLowRes.GetHandle());
//Draw the lowres texture that will be shown behind the shield.
if (scene.ClearDepth) {
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);
//state->StencilFunc(GL_ALWAYS, 1, 0xFF);
state->Disable(GL_STENCIL_TEST);
state->Disable(GL_DEPTH_TEST);
DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene);
GLERROR("OpaqueObjects");
DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene);
GLERROR("TransparentObjects");
delete stateLowRes;
}
@@ -113,6 +147,11 @@ void DrawFinalPass::ClearBuffer()
glClearColor(0.f, 0.f, 0.f, 0.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
m_FinalPassFrameBuffer.Unbind();
m_FinalPassFrameBufferLowRes.Bind();
glClearColor(0.f, 0.f, 0.f, 0.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
m_FinalPassFrameBufferLowRes.Unbind();
}
void DrawFinalPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const