| // 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 FrameInfo { |
| float current_time; |
| vec2 cursor_position; |
| vec2 window_size; |
| } frame_info; |
| |
| in vec2 interporlated_texture_coordinates; |
| |
| out vec4 frag_color; |
| |
| uniform sampler2D contents1; |
| uniform sampler2D contents2; |
| |
| void main() { |
| vec4 tex1 = texture(contents1, interporlated_texture_coordinates); |
| vec4 tex2 = texture(contents2, interporlated_texture_coordinates); |
| frag_color = mix(tex1, tex2, clamp(frame_info.cursor_position.x / frame_info.window_size.x, 0.0, 1.0)); |
| } |
