gecko-dev/gfx/webrender/res/ps_gradient.fs.glsl

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

void main(void) {
#ifdef WR_FEATURE_TRANSFORM
    float alpha = 0.0;
    vec2 local_pos = init_transform_fs(vLocalPos, vLocalRect, alpha);
#else
    float alpha = 1.0;
    vec2 local_pos = vPos;
#endif

    alpha = min(alpha, do_clip());
    oFragColor = dither(vColor * vec4(1.0, 1.0, 1.0, alpha));
}