#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
#endif
-#ifndef GL_TEXTURE_RECTANGLE_ARB
-#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
-#define GL_TEXTURE_BINDING_RECTANGLE_ARB 0x84F6
-#define GL_PROXY_TEXTURE_RECTANGLE_ARB 0x84F7
-#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
-#define GL_SAMPLER_2D_RECT_ARB 0x8B63
-#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
-#endif
-
#ifndef GL_DEPTH_COMPONENT16_ARB
#define GL_DEPTH_COMPONENT16_ARB 0x81A5
#define GL_DEPTH_COMPONENT24_ARB 0x81A6
#define DEBUGGL
#ifdef DEBUGGL
-#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = qglGetError();if (errornumber) GL_PrintError(errornumber, __FILE__, __LINE__);}}
+#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = qglGetError ? qglGetError() : 0;if (errornumber) GL_PrintError(errornumber, __FILE__, __LINE__);}}
extern int errornumber;
void GL_PrintError(int errornumber, const char *filename, int linenumber);
#else