| // 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. | |
| // Declare samplers in different order than usage. | |
| uniform sampler2D textureA; | |
| uniform sampler2D textureB; | |
| out vec4 frag_color; | |
| void main() { | |
| vec4 sample_1 = texture(textureB, vec2(1.0)); | |
| vec4 sample_2 = texture(textureA, vec2(1.0)); | |
| frag_color = sample_1 + sample_2; | |
| } |