BTH/axyz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added FrameBuffer wrapper class

Browse Source
This commit is contained in:
viktorljung
2015-12-03 18:32:01 +01:00
parent 6a24ed534a
commit aaa6b6ef20
4 changed files with 160 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/Engine/Rendering/Renderer.cpp
+6 -17
View File
@@ -286,7 +286,7 @@ void Renderer::DrawScene(RenderQueueCollection& rq)
void Renderer::PickingPass()
{
glBindFramebuffer(GL_FRAMEBUFFER, m_PickingBuffer);
m_PickingBuffer.Bind();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
@@ -356,7 +356,7 @@ void Renderer::DrawScreenQuad(GLuint textureToDraw)
// Will return a vec3 where RG is the PickColor and B is the Depth
glm::vec3 Renderer::GetClickedPixelData(float x, float y)
{
glBindFramebuffer(GL_FRAMEBUFFER, m_PickingBuffer);
m_PickingBuffer.Bind();
glm::vec2 pixelData;
glReadPixels(x, y, 1, 1, GL_RG, GL_FLOAT, &pixelData);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
@@ -389,19 +389,8 @@ void Renderer::InitializeFrameBuffers()//TODO: Renderer: Get this to a better lo
glGenRenderbuffers(1, &m_DepthBuffer);
glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Resolution.Width, m_Resolution.Height);
glGenFramebuffers(1, &m_PickingBuffer);
glBindFramebuffer(GL_FRAMEBUFFER, m_PickingBuffer);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, m_DepthBuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_PickingTexture, 0);
GLenum PickingBufferTextures[] = { GL_COLOR_ATTACHMENT0 };
glDrawBuffers(1, PickingBufferTextures);
if (GLenum fbStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
LOG_ERROR("m_FbDeferred2 incomplete: 0x%x\n", fbStatus);
exit(EXIT_FAILURE);
}
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT)));
m_PickingBuffer.AddResource(std::shared_ptr<BufferResource>(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0)));
m_PickingBuffer.Generate();
}