Enable scissor for rounded outline clips

    float radius;

    if (!outline->getAsRoundRect(&bounds, &radius)) return; // only RR supported

    if (!MathUtils::isPositive(radius)) {

    bool outlineIsRounded = MathUtils::isPositive(radius);

    if (!outlineIsRounded || currentTransform()->isSimple()) {

        // TODO: consider storing this rect separately, so that this can't be replaced with clip ops

        clipRect(bounds.left, bounds.top, bounds.right, bounds.bottom, SkRegion::kIntersect_Op);

        return;

    }

    if (outlineIsRounded) {

        setClippingRoundRect(allocator, bounds, radius);

    }

}

void StatefulBaseRenderer::setClippingRoundRect(LinearAllocator& allocator,

        const Rect& rect, float radius) {