if (filter.isRequiresSceneTexture()) {
mat.setTexture("Texture", tex);
if (tex.getImage().getMultiSamples() > 1) {
mat.setInt("NumSamples", tex.getImage().getMultiSamples());
} else {
mat.clearParam("NumSamples");
}
}
buff = outputBuffer;
if (i != lastFilterIndex) {