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/*
* 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 _GL_UTIL_H_
#define _GL_UTIL_H_
/* convenience */
GLuint load_program(const char *vert_src, const char *frag_src);
void matrix_init_ortho(GLfloat *m, float w, float h);
/* context setup / teardown */
int egl_create(EGLDisplay *_display, EGLSurface *_surface, int *_w, int *_h);
void egl_destroy(EGLDisplay display, EGLSurface surface);
/* internals needed by util.c */
struct CNativeWindow;
struct CNativeWindow *cnw_create(void);
void cnw_destroy(struct CNativeWindow *win);
void cnw_info(struct CNativeWindow *win,
unsigned *w, unsigned *h, unsigned *fmt);
#endif
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