| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
| * in compliance with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| #ifndef GLUTILS_H |
| #define GLUTILS_H |
| |
| #include <EGL/egl.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| |
| class GLUtils { |
| public: |
| // Creates a program with the given vertex and fragment shader source code. |
| static GLuint createProgram(const char** vertexSource, |
| const char** fragmentSource); |
| // Rounds a number up to the smallest power of 2 that is greater than the original number. |
| static int roundUpToSmallestPowerOf2(int x); |
| // Generates a random texture of the given dimensions. |
| static GLuint genRandTex(int texWidth, int texHeight); |
| static bool createFBO(GLuint& fboId, GLuint& rboId, GLuint& cboId, int width, int height); |
| }; |
| |
| #endif |
