1 /* 2 * Copyright (C) 2013 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 17 #ifndef _GL_UTIL_H_ 18 #define _GL_UTIL_H_ 19 20 /* convenience */ 21 22 GLuint load_program(const char *vert_src, const char *frag_src); 23 void matrix_init_ortho(GLfloat *m, float w, float h); 24 25 /* context setup / teardown */ 26 27 int egl_create(EGLDisplay *_display, EGLSurface *_surface, int *_w, int *_h); 28 void egl_destroy(EGLDisplay display, EGLSurface surface); 29 30 /* internals needed by util.c */ 31 32 struct CNativeWindow; 33 struct CNativeWindow *cnw_create(void); 34 void cnw_destroy(struct CNativeWindow *win); 35 void cnw_info(struct CNativeWindow *win, 36 unsigned *w, unsigned *h, unsigned *fmt); 37 38 #endif 39