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a79320ddf6
With some versions of the headers there were some conflicting macro definitions in glext.h and glew.h.
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/**
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* Copyright (c) 2011, Martin Srom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DXT_UTIL_H
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#define DXT_UTIL_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#include "config_unix.h"
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#include "config_win32.h"
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#endif
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#include "dxt_common.h"
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#ifdef HAVE_MACOSX
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#include <OpenGL/gl.h>
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#include <OpenGL/glext.h>
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#elif defined WIN32
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#include <GL/glew.h>
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#else
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#include <GL/glew.h>
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#include <GL/gl.h>
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#endif
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#include <string.h>
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#ifdef HAVE_GLUT
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#ifdef HAVE_MACOSX
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#include <GLUT/glut.h>
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extern void glutCheckLoop(void);
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#else
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#include <GL/glut.h>
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extern void glutMainLoopEvent(void);
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#endif /* HAVE_MACOSX */
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#endif /* HAVE_GLUT */
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static inline int dxt_get_size(int width, int height, enum dxt_type format)
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{
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assert( format == DXT_TYPE_DXT5_YCOCG || format == DXT_TYPE_DXT1 || format == DXT_TYPE_DXT1_YUV );
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if ( format == DXT_TYPE_DXT5_YCOCG )
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return ((width + 3) / 4 * 4) * ((height + 3) / 4 * 4);
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else
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return ((width + 3) / 4 * 4) * ((height + 3) / 4 * 4) / 2;
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}
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/**
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* Create shader from source
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*
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* @param source Shade source
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* @param type Shader type
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* @return shader handle if succeeds, otherwise zero
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*/
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GLuint
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dxt_shader_create_from_source(const char* source, GLenum type);
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/**
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* Create shader from file
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*
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* @param filename Shade source filename
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* @param type Shader type
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* @return shader handle if succeeds, otherwise zero
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*/
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GLuint
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dxt_shader_create_from_file(const char* filename, GLenum type);
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#endif // DXT_UTIL_H
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