bool DeferredShadingMSAA::UpdateRenderTargetMode()
{
// This method can be called before we have a valid size for our render targets.
// In that case, simply return and wait for a call with valid values.
if (m_imageWidth == 0 || m_imageHeight == 0)
{
return false;
}
// Determine what frame buffer mode we need to be in, and if we're not
// currently in that mode, destroy the current render targets and
// initialize the new ones.
if (m_approach == APPROACH_NOMSAA)
{
if (m_currentRTMode != RTMODE_NOMSAA)
{
DestroyRenderTargets();
InitRenderTargets_NoMSAA();
}
}
else if (m_bUsePerSamplePixelShader)
{
if (m_currentRTMode != RTMODE_PERSAMPLE)
{
DestroyRenderTargets();
InitRenderTargets_PerSampleShading();
}
}
else
{
if (m_currentRTMode != RTMODE_PERPIXEL)
{
DestroyRenderTargets();
InitRenderTargets_PerPixelShading();
}
}
return true;
}
void DeferredShadingMSAA::reshape(int32_t width, int32_t height)
{
// Avoid destroying render targets unnecessarily. Only do it if our dimensions have actually changed.
if (m_imageWidth != width || m_imageHeight != height)
{
m_imageWidth = width;
m_imageHeight = height;
// Destroy the current render targets and let them get recreated on our next draw
DestroyRenderTargets();
}
glBindFramebuffer(GL_FRAMEBUFFER, getMainFBO());
glViewport(0, 0, m_imageWidth, m_imageHeight);
}
/**
* Shutdown the render manager
*/
bool RenderManager::Destroy()
{
if(unitSphereMesh) delete unitSphereMesh;
if(unitConeMesh) delete unitConeMesh;
if(fullScreenVB) gRenderAPI->DestroyVertexBuffer(fullScreenVB);
if(fullScreenIB) gRenderAPI->DestroyIndexBuffer(fullScreenIB);
if(defaultTexture) gRenderAPI->DestroyTexture(defaultTexture);
cachedSamplers.clear();
DestroyFonts();
DestroyShaders();
DestroyRenderTargets();
gRenderAPI->Destroy();
return true;
}
