servo/resources/shaders/ps_gradient.fs.glsl
2016-09-15 09:07:27 +10:00

20 lines
609 B
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(local_pos, vClipRect, vClipRadius));
oFragColor = mix(vColor0, vColor1, vF) * vec4(1, 1, 1, alpha);
#ifdef WR_FEATURE_TRANSFORM
oFragColor.a *= alpha;
#endif
}