1#version 300 es 2// Copyright 2022 The Android Open Source Project 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15 16// ES 3 vertex shader that applies an external surface texture's 4 * 4 texture 17// transformation matrix to convert the texture coordinates to the sampling 18// locations. 19 20in vec4 aFramePosition; 21in vec4 aTexSamplingCoord; 22uniform mat4 uTexTransform; 23out vec2 vTexSamplingCoord; 24void main() { 25 gl_Position = aFramePosition; 26 vTexSamplingCoord = (uTexTransform * aTexSamplingCoord).xy; 27} 28