| // 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. | |
| uniform sampler2D SAMPLER_EXTERNAL_OES_texture_sampler; | |
| in vec2 v_texture_coords; | |
| in float v_alpha; | |
| out vec4 frag_color; | |
| void main() { | |
| vec4 sampled = | |
| texture(SAMPLER_EXTERNAL_OES_texture_sampler, v_texture_coords); | |
| frag_color = sampled * v_alpha; | |
| } |