| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| precision mediump float; |
| |
| #include <impeller/color.glsl> |
| #include <impeller/dithering.glsl> |
| #include <impeller/types.glsl> |
| |
| uniform FragInfo { |
| float alpha; |
| } |
| frag_info; |
| |
| in vec4 v_color; |
| |
| out vec4 frag_color; |
| |
| void main() { |
| frag_color = IPPremultiply(v_color) * frag_info.alpha; |
| // mod operator is not supported in GLES 2.0 |
| #ifndef IMPELLER_TARGET_OPENGLES |
| frag_color = IPOrderedDither8x8(frag_color, gl_FragCoord.xy); |
| #endif // IMPELLER_TARGET_OPENGLES |
| } |
