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lxdream.org :: lxdream/src/pvr2/glutil.h
lxdream 0.9.1
released Jun 29
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filename src/pvr2/glutil.h
changeset 1207:f7ca985659c6
prev1206:a9b41bcb8410
next1210:79bbd30363f4
author nkeynes
date Tue Feb 07 11:20:00 2012 +1000 (9 years ago)
permissions -rw-r--r--
last change Gen helper functions for uniform + attribute variables, along with the main
program use, to provide a more usable interface to the shaders
file annotate diff log raw
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/**
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 * $Id$
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 *
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 * GL-based support functions 
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 *
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 * Copyright (c) 2005 Nathan Keynes.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 */
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#ifndef lxdream_glutil_H
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#define lxdream_glutil_H
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#include <stdio.h>
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#include "display.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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 * Test if a specific extension is supported. From opengl.org
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 * @param extension extension name to check for
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 * @return TRUE if supported, otherwise FALSE.
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 */
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gboolean isGLExtensionSupported( const char *extension );
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/**
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 * Dump GL information to the output stream, usually for debugging purposes
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 */
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void glPrintInfo( FILE *out );
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/**
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 * Check for a GL error and print a message if there is one
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 * @param context If not null, a string to be printed along side an error message
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 * @return FALSE if there was an error, otherwise TRUE
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 */
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gboolean gl_check_error( const char *context );
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/**
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 * Test if secondary color (GL_COLOR_SUM) is supported.
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 */
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gboolean isGLSecondaryColorSupported();
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gboolean isGLVertexBufferSupported();
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gboolean isGLVertexRangeSupported();
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gboolean isGLPixelBufferSupported();
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gboolean isGLMultitextureSupported();
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gboolean isGLMirroredTextureSupported();
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/****** Extension variant wrangling *****/
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/****** Shader handling (gl_sl.c) *****/
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gboolean glsl_is_supported(void);
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const char *glsl_get_version(void);
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gboolean glsl_load_shaders( );
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void glsl_unload_shaders(void);
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void glsl_clear_shader();
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/* Convenience formatting function for driver use */
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void fprint_extensions( FILE *out, const char *extensions );
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#ifdef __cplusplus
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}
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#endif
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#endif /* !lxdream_glutil_H */
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