#define GL_LUMINANCE_ALPHA16F_ARB 0x881F
#endif
+// GL_ARB_half_float_pixel
+#ifndef GL_HALF_FLOAT_ARB
+typedef unsigned short GLhalfARB;
+#define GL_HALF_FLOAT_ARB 0x140B
+#endif
+
// GL_EXT_texture_sRGB
#ifndef GL_SRGB_EXT
#define GL_SRGB_EXT 0x8C40
#ifdef DEBUGGL
#ifdef USE_GLES2
-#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = glGetError();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__);gl_errornumber = glGetError();if (gl_errornumber) GL_PrintError(gl_errornumber, __FILE__, __LINE__);}}
#else
-#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__);}}
+#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);gl_errornumber = qglGetError ? qglGetError() : 0;if (gl_errornumber) GL_PrintError(gl_errornumber, __FILE__, __LINE__);}}
#endif
-extern int errornumber;
+extern int gl_errornumber;
void GL_PrintError(int errornumber, const char *filename, int linenumber);
#else
#define CHECKGLERROR