void RenderWindow::CreateRenderTargetOverlay(int width, int height) { width = max(1, width); height = max(1, height); Ogre::TexturePtr renderTarget = Ogre::TextureManager::getSingleton().createManual( rttTextureName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME, Ogre::TEX_TYPE_2D, width, height, 0, Ogre::PF_A8R8G8B8, Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE); Ogre::MaterialPtr rttMaterial = Ogre::MaterialManager::getSingleton().create( rttMaterialName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME); Ogre::TextureUnitState *rttTuState = rttMaterial->getTechnique(0)->getPass(0)->createTextureUnitState(); rttTuState->setTextureName(rttTextureName); rttTuState->setTextureFiltering(Ogre::TFO_NONE); rttTuState->setNumMipmaps(1); rttTuState->setTextureAddressingMode(Ogre::TextureUnitState::TAM_CLAMP); rttMaterial->setFog(true, Ogre::FOG_NONE); ///\todo Check, shouldn't here be false? rttMaterial->setReceiveShadows(false); rttMaterial->setTransparencyCastsShadows(false); rttMaterial->getTechnique(0)->getPass(0)->setSceneBlending(Ogre::SBF_SOURCE_ALPHA, Ogre::SBF_ONE_MINUS_SOURCE_ALPHA); rttMaterial->getTechnique(0)->getPass(0)->setDepthWriteEnabled(false); rttMaterial->getTechnique(0)->getPass(0)->setDepthCheckEnabled(false); rttMaterial->getTechnique(0)->getPass(0)->setLightingEnabled(false); rttMaterial->getTechnique(0)->getPass(0)->setCullingMode(Ogre::CULL_NONE); overlayContainer = Ogre::OverlayManager::getSingleton().createOverlayElement("Panel", "MainWindow Overlay Panel"); overlayContainer->setMaterialName(rttMaterialName); overlayContainer->setMetricsMode(Ogre::GMM_PIXELS); overlayContainer->setPosition(0, 0); overlayContainer->setDimensions((Ogre::Real)width, (Ogre::Real)height); overlayContainer->setPosition(0,0); overlay = Ogre::OverlayManager::getSingleton().create("MainWindow Overlay"); overlay->add2D(static_cast<Ogre::OverlayContainer *>(overlayContainer)); overlay->setZOrder(500); overlay->show(); // ResizeOverlay(width, height); }