Function performComposition

snap_drawing/test/src/Compositor_Tests.cpp:17–26

namespace snap::drawing {

static CompositorPlaneList performComposition(DisplayListBuilder& builder,
                                              Ref<DisplayList>* outputDisplayList = nullptr) {
    CompositorPlaneList planeList;
    Compositor compositor(ConsoleLogger::getLogger());
    auto displayList = compositor.performComposition(*builder.displayList, planeList);
    if (outputDisplayList != nullptr) {
        *outputDisplayList = displayList;
    }
    return planeList;
}

TEST(Compositor, doesNothingWhenNoExternalSurfacesArePresent) {
    DisplayListBuilder builder(100, 100);