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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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include/Engine/Rendering/DrawFinalPass.h
+7 -1
View File
@@ -22,9 +22,13 @@ public:
//Return the texture that is used in later stages to apply the bloom effect
GLuint BloomTexture() const { return m_BloomTexture; }
GLuint BloomTextureLowRes() const { return m_BloomTextureLowRes; }
//Return the texture with diffuse and lighting of the scene.
GLuint SceneTexture() const { return m_SceneTexture; }
GLuint SceneTextureLowRes() const { return m_SceneTextureLowRes; }
//Return the framebuffer used in the scene rendering stage.
FrameBuffer* FinalPassFrameBuffer() { return &m_FinalPassFrameBuffer; }
FrameBuffer* FinalPassFrameBufferLowRes() { return &m_FinalPassFrameBufferLowRes; }
private:
@@ -47,10 +51,12 @@ private:
Texture* m_GreyTexture;
FrameBuffer m_FinalPassFrameBuffer;
FrameBuffer m_FinalPassFrameBufferLowRes;
GLuint m_BloomTexture;
GLuint m_SceneTexture;
GLuint m_BloomTextureLowRes;
GLuint m_SceneTextureLowRes;
GLuint m_DepthBuffer;
GLuint m_StencilBuffer;
const IRenderer* m_Renderer;
const LightCullingPass* m_LightCullingPass;
src/Engine/Rendering/DrawFinalPass.cpp
+41 -2
View File
@@ -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
src/Engine/Rendering/FrameBuffer.cpp
+15 -2
View File
@@ -39,10 +39,13 @@ void FrameBuffer::AddResource(std::shared_ptr<BufferResource> resource)
void FrameBuffer::Generate()
{
GLERROR("PRE");
std::vector<GLenum> attachments;
glGenFramebuffers(1, &m_BufferHandle);
glBindFramebuffer(GL_FRAMEBUFFER, m_BufferHandle);
GLERROR("1");
for (auto it = m_Resources.begin(); it != m_Resources.end(); it++) {
switch ((*it)->m_ResourceType) {
@@ -56,20 +59,30 @@ void FrameBuffer::Generate()
GLERROR("FrameBuffer generate: glFramebufferRenderbuffer");
break;
}
if ((*it)->m_Attachment != GL_DEPTH_ATTACHMENT || (*it)->m_Attachment != GL_STENCIL_ATTACHMENT || (*it)->m_Attachment != GL_DEPTH_STENCIL_ATTACHMENT) {
GLERROR("2");
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);
}
GLERROR("Attachment");
}
GLERROR("3");
GLenum* bufferTextures = &attachments[0];
glDrawBuffers(attachments.size(), bufferTextures);
if(GLERROR("4")) {
printf("hello");
}
if (GLenum frameBufferStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
GLERROR("Framebuffer incomplete");
//LOG_ERROR("FrameBuffer incomplete: 0x%x\n", frameBufferStatus);
exit(EXIT_FAILURE);
}
GLERROR("END");
}
void FrameBuffer::Bind()
src/Engine/Rendering/Renderer.cpp
+8 -2
View File
@@ -93,7 +93,7 @@ void Renderer::Update(double dt)
void Renderer::Draw(RenderFrame& frame)
{
ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0Gaussian\0Picking");
ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking");
//clear buffer 0
glClearColor(0.f, 0.f, 0.f, 0.f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -129,9 +129,15 @@ void Renderer::Draw(RenderFrame& frame)
m_DrawScreenQuadPass->Draw(m_DrawFinalPass->BloomTexture());
}
if (m_DebugTextureToDraw == 3) {
m_DrawScreenQuadPass->Draw(m_DrawBloomPass->GaussianTexture());
m_DrawScreenQuadPass->Draw(m_DrawFinalPass->SceneTextureLowRes());
}
if (m_DebugTextureToDraw == 4) {
m_DrawScreenQuadPass->Draw(m_DrawFinalPass->BloomTextureLowRes());
}
if (m_DebugTextureToDraw == 5) {
m_DrawScreenQuadPass->Draw(m_DrawBloomPass->GaussianTexture());
}
if (m_DebugTextureToDraw == 6) {
m_DrawScreenQuadPass->Draw(m_PickingPass->PickingTexture());
}