servo/resources/shaders/debug_font.fs.glsl
2016-08-03 10:14:42 +02:00

13 lines
425 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 SERVO_ES2
float alpha = texture(sDiffuse, vColorTexCoord.xy).a;
#else
float alpha = texture(sDiffuse, vColorTexCoord.xy).r;
#endif
oFragColor = vec4(vColor.xyz, vColor.w * alpha);
}