nkeynes@653: /**
nkeynes@653:  * $Id$
nkeynes@653:  *
nkeynes@653:  * GL-based support functions 
nkeynes@653:  *
nkeynes@653:  * Copyright (c) 2005 Nathan Keynes.
nkeynes@653:  *
nkeynes@653:  * This program is free software; you can redistribute it and/or modify
nkeynes@653:  * it under the terms of the GNU General Public License as published by
nkeynes@653:  * the Free Software Foundation; either version 2 of the License, or
nkeynes@653:  * (at your option) any later version.
nkeynes@653:  *
nkeynes@653:  * This program is distributed in the hope that it will be useful,
nkeynes@653:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nkeynes@653:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nkeynes@653:  * GNU General Public License for more details.
nkeynes@653:  */
nkeynes@653: 
nkeynes@653: #ifndef lxdream_glutil_H
nkeynes@653: #define lxdream_glutil_H
nkeynes@653: 
nkeynes@687: #include <stdio.h>
nkeynes@653: #include "display.h"
nkeynes@653: 
nkeynes@736: #ifdef __cplusplus
nkeynes@736: extern "C" {
nkeynes@736: #endif
nkeynes@736: 
nkeynes@653: /**
nkeynes@653:  * Test if a specific extension is supported. From opengl.org
nkeynes@653:  * @param extension extension name to check for
nkeynes@653:  * @return TRUE if supported, otherwise FALSE.
nkeynes@653:  */
nkeynes@653: gboolean isGLExtensionSupported( const char *extension );
nkeynes@653: 
nkeynes@667: /**
nkeynes@687:  * Dump GL information to the output stream, usually for debugging purposes
nkeynes@687:  */
nkeynes@687: void glPrintInfo( FILE *out );
nkeynes@687: 
nkeynes@687: /**
nkeynes@667:  * Test if secondary color (GL_COLOR_SUM) is supported.
nkeynes@667:  */
nkeynes@667: gboolean isGLSecondaryColorSupported();
nkeynes@667: 
nkeynes@667: gboolean isGLVertexBufferSupported();
nkeynes@667: gboolean isGLPixelBufferSupported();
nkeynes@667: gboolean isGLMirroredTextureSupported();
nkeynes@653: 
nkeynes@653: /****** Shader handling (gl_sl.c) *****/
nkeynes@653: gboolean glsl_is_supported(void);
nkeynes@653: gboolean glsl_load_shaders( const char *vert_shader, const char *frag_shader );
nkeynes@653: void glsl_unload_shaders(void);
nkeynes@669: void glsl_enable_shaders( gboolean enable );
nkeynes@653: 
nkeynes@653: extern const char *glsl_vertex_shader_src;
nkeynes@653: extern const char *glsl_fragment_shader_src;
nkeynes@653: 
nkeynes@736: #ifdef __cplusplus
nkeynes@736: }
nkeynes@736: #endif
nkeynes@736: 
nkeynes@653: #endif /* !lxdream_glutil_H */