1 /* 2 * Copyright (c) 2016, The Linux Foundation. All rights reserved. 3 * Not a Contribution. 4 * 5 * Copyright 2015 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 */ 19 20 const char* fullscreen_vertex_shader = " " 21 "#version 300 es \n" 22 "precision highp float; \n" 23 "layout(location = 0) in vec2 iUV; \n" 24 "out vec2 uv; \n" 25 "void main() \n" 26 "{ \n" 27 " vec2 positions[3]; \n" 28 " positions[0] = vec2(-1.0f, 3.0f); \n" 29 " positions[1] = vec2(-1.0f, -1.0f); \n" 30 " positions[2] = vec2(3.0f, -1.0f); \n" 31 " vec2 uvs[3]; \n" 32 " uvs[0] = vec2(0.0f, -1.0f); \n" 33 " uvs[1] = vec2(0.0f, 1.0f); \n" 34 " uvs[2] = vec2(2.0f, 1.0f); \n" 35 " gl_Position = vec4(positions[gl_VertexID], -1.0f, 1.0f); \n" 36 " uv = uvs[gl_VertexID]; \n" 37 "} \n"; 38
