Method convertOpenGLTextureToCachedRAMImage

Engine/EffectInstance.cpp:1518–1543

}

ImagePtr
EffectInstance::convertOpenGLTextureToCachedRAMImage(const ImagePtr& image)
{
    assert(image->getStorageMode() == eStorageModeGLTex);

    boost::shared_ptr<ImageParams> params( new ImageParams( *image->getParams() ) );
    CacheEntryStorageInfo& info = params->getStorageInfo();
    info.mode = eStorageModeRAM;

    ImagePtr ramImage;
    getOrCreateFromCacheInternal(image->getKey(), params, true /*useCache*/, &ramImage);
    if (!ramImage) {
        return ramImage;
    }

    OSGLContextPtr context = getThreadLocalOpenGLContext();
    assert(context);
    if (!context) {
        throw std::runtime_error("No OpenGL context attached");
    }

    ramImage->pasteFrom(*image, image->getBounds(), false, context);
    ramImage->markForRendered(image->getBounds());

    return ramImage;
}

ImagePtr
EffectInstance::convertRAMImageToOpenGLTexture(const ImagePtr& image)