dxt_util.h

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#ifndef DXT_UTIL_H
#define DXT_UTIL_H
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "config_unix.h"
#include "config_win32.h"
#endif
 
#include "dxt_common.h"
 
#ifdef HAVE_MACOSX
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
#elif defined WIN32
#include <GL/glew.h>
#else
#include <GL/glew.h>
#include <GL/gl.h>
#endif
 
#include <string.h>
 
#ifdef HAVE_GLUT
#ifdef HAVE_MACOSX
#include <GLUT/glut.h>
extern void glutCheckLoop(void);
#else
#include <GL/glut.h>
extern void glutMainLoopEvent(void);
#endif /* HAVE_MACOSX */
#endif /* HAVE_GLUT */
 
static inline int dxt_get_size(int width, int height, enum dxt_type format)
{
    assert( format == DXT_TYPE_DXT5_YCOCG || format == DXT_TYPE_DXT1 ||  format == DXT_TYPE_DXT1_YUV );
 
    if ( format == DXT_TYPE_DXT5_YCOCG )
        return ((width + 3) / 4 * 4) * ((height + 3) / 4 * 4);
    else
        return ((width + 3) / 4 * 4) * ((height + 3) / 4 * 4) / 2;
}
 
GLuint
dxt_shader_create_from_source(const char* source, GLenum type);
 
GLuint
dxt_shader_create_from_file(const char* filename, GLenum type);
 
 
 
#endif // DXT_UTIL_H