1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5 * in compliance with the License. You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License 10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11 * or implied. See the License for the specific language governing permissions and limitations under 12 * the License. 13 */ 14precision mediump float; 15uniform mat4 u_MVPMatrix; 16uniform mat4 u_MVMatrix; 17attribute vec4 a_Position; 18attribute vec3 a_Normal; 19attribute vec2 a_TexCoordinate; 20varying vec3 v_Position; 21varying vec3 v_Normal; 22varying vec2 v_TexCoordinate; 23void main() { 24 // Transform the vertex into eye space. 25 v_Position = vec3(u_MVMatrix * a_Position); 26 // Pass through the texture coordinate. 27 v_TexCoordinate = a_TexCoordinate; 28 // Transform the normal\'s orientation into eye space. 29 v_Normal = vec3(u_MVMatrix * vec4(a_Normal, 0.0)); 30 // Multiply to get the final point in normalized screen coordinates. 31 gl_Position = u_MVPMatrix * a_Position; 32}