void CBlurCompositor::gaussBlur(ISceneManager* smgr, bool lastCompositor)
{
IVideoDriver* driver = smgr->getVideoDriver();
ITextureManager* tmgr = ITextureManager::getInstance();
IRenderTarget* input = driver->getRenderTarget();
IRenderTarget* output = tmgr->getTempRenderTarget(input->getWidth(), input->getHeight(), input->getFormat());
IMeshNode* quad = smgr->getQuadNode();
quad->setMaterial(&mMaterial);
IPipelineManager* pipelineManager = IPipelineManager::getInstance();
IPipeline* vblurPipeline = pipelineManager->get("gf/gauss_vertical_blur");
IPipeline* hblurPipeline = pipelineManager->get("gf/gauss_horizontal_blur");
// render pass - 1
for (u32 i = 0; i < mPassCount - 1; i++)
{
// vertical blur
mMaterial.setPipeline(vblurPipeline);
renderQuad(driver, smgr, quad, input, output);
// horizontal blur
mMaterial.setPipeline(hblurPipeline);
renderQuad(driver, smgr, quad, output, input);
}
// render last pass
mMaterial.setPipeline(vblurPipeline);
renderQuad(driver, smgr, quad, input, output);
mMaterial.setPipeline(hblurPipeline);
if (lastCompositor)
{
renderQuad(driver, smgr, quad, output, nullptr);
tmgr->releaseTempRenderTarget(output);
}
else
{
renderQuad(driver, smgr, quad, output, input);
}
tmgr->releaseTempRenderTarget(input);
}
void CBlurCompositor::squareBlur(ISceneManager* smgr, bool lastCompositor)
{
IVideoDriver* driver = smgr->getVideoDriver();
ITextureManager* tmgr = ITextureManager::getInstance();
IRenderTarget* input = driver->getRenderTarget();
IRenderTarget* output = nullptr;
IMeshNode* quad = smgr->getQuadNode();
quad->setMaterial(&mMaterial);
if (mPassCount == 1)
{
if (!lastCompositor)
output = tmgr->getTempRenderTarget(input->getWidth(), input->getHeight(), input->getFormat());
renderQuad(driver, smgr, quad, input, output);
tmgr->releaseTempRenderTarget(input);
}
else
{
output = tmgr->getTempRenderTarget(input->getWidth(), input->getHeight(), input->getFormat());
// render pass - 1
for (u32 i = 0; i < mPassCount - 1; i++)
{
renderQuad(driver, smgr, quad, input, output);
std::swap(input, output);
}
// render the last pass
if (!lastCompositor)
{
renderQuad(driver, smgr, quad, input, output);
}
else
{
renderQuad(driver, smgr, quad, input, nullptr);
tmgr->releaseTempRenderTarget(output);
}
tmgr->releaseTempRenderTarget(input);
}
}