4 * GL-based support functions
6 * Copyright (c) 2005 Nathan Keynes.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 #ifndef lxdream_glutil_H
20 #define lxdream_glutil_H
30 * Test if a specific extension is supported. From opengl.org
31 * @param extension extension name to check for
32 * @return TRUE if supported, otherwise FALSE.
34 gboolean isGLExtensionSupported( const char *extension );
37 * Dump GL information to the output stream, usually for debugging purposes
39 void glPrintInfo( FILE *out );
42 * Test if secondary color (GL_COLOR_SUM) is supported.
44 gboolean isGLSecondaryColorSupported();
46 gboolean isGLVertexBufferSupported();
47 gboolean isGLPixelBufferSupported();
48 gboolean isGLMirroredTextureSupported();
50 /****** Shader handling (gl_sl.c) *****/
51 gboolean glsl_is_supported(void);
52 gboolean glsl_load_shaders( const char *vert_shader, const char *frag_shader );
53 void glsl_unload_shaders(void);
54 void glsl_enable_shaders( gboolean enable );
56 extern const char *glsl_vertex_shader_src;
57 extern const char *glsl_fragment_shader_src;
63 #endif /* !lxdream_glutil_H */
.