-/* $Id: glheader.h,v 1.10 2000/05/26 15:52:06 brianp Exp $ */
+/**
+ * \file glheader.h
+ * Top-most include file.
+ *
+ * This is the top-most include file of the Mesa sources.
+ * It includes gl.h and all system headers which are needed.
+ * Other Mesa source files should \e not directly include any system
+ * headers. This allows Mesa to be integrated into XFree86 and
+ * allows system-dependent hacks/workarounds to be collected in one place.
+ *
+ * \note Actually, a lot of system-dependent stuff is now in imports.[ch].
+ *
+ * If you touch this file, everything gets recompiled!
+ *
+ * This file should be included before any other header in the .c files.
+ *
+ * Put compiler/OS/assembly pragmas and macros here to avoid
+ * cluttering other source files.
+ */
/*
* Mesa 3-D graphics library
- * Version: 3.3
+ * Version: 6.1
*
- * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#define GLHEADER_H
-/*
- * This is the top-most include file of the Mesa sources.
- * It includes gl.h and all system headers which are needed.
- * Other Mesa source files should _not_ directly include any system
- * headers. This allows Mesa to be integrated into XFree86 and
- * allows system-dependent hacks/work-arounds to be collected in one place.
- *
- * If you touch this file, everything gets recompiled!
- *
- * This file should be included before any other header in the .c files.
- */
-
-
-#ifdef XFree86LOADER
+#if defined(XFree86LOADER) && defined(IN_MODULE)
#include "xf86_ansic.h"
#else
#include <assert.h>
#include <ctype.h>
+/* If we can use Compaq's Fast Math Library on Alpha */
+#if defined(__alpha__) && defined(CCPML)
+#include <cpml.h>
+#else
#include <math.h>
+#endif
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
-#if defined(__linux__) && defined(__i386__)
+#if defined(__linux__) && defined(__i386__)
#include <fpu_control.h>
#endif
#endif
#include <float.h>
+#include <stdarg.h>
#ifdef HAVE_CONFIG_H
#endif
-
-
-/*
- * Put compiler/OS/assembly pragmas and macros here to avoid
- * cluttering other source files.
- */
-
-
-
-/*
- * XXX move as many of these pragma's and MS Windows-isms into
- * the new src/glheader.h file.
- */
-
-#if defined(_WIN32) && !defined(__WIN32__)
+#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
# define __WIN32__
+# define finite _finite
+#endif
+
+#if defined(__WATCOMC__)
+# define finite _finite
#endif
-#if !defined(OPENSTEP) && (defined(__WIN32__) || defined(__CYGWIN__))
+#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
# pragma warning( disable : 4068 ) /* unknown pragma */
# pragma warning( disable : 4710 ) /* function 'foo' not inlined */
# pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */
# define WGLAPI __declspec(dllimport)
# endif /* _STATIC_MESA support */
# define GLAPIENTRY __stdcall
-# define GLAPIENTRYP __stdcall *
+# define GLAPIENTRYP GLAPIENTRY *
# define GLCALLBACK __stdcall
-# define GLCALLBACKP __stdcall *
+# define GLCALLBACKP GLCALLBACK *
# if defined(__CYGWIN__)
# define GLCALLBACKPCAST *
# else
# endif
# define GLWINAPI __stdcall
# define GLWINAPIV __cdecl
-#else
+#elif !defined(BUILD_FOR_SNAP)
/* non-Windows compilation */
# define GLAPI extern
# define GLAPIENTRY
-# define GLAPIENTRYP *
+# ifndef GLAPIENTRYP
+# define GLAPIENTRYP *
+# endif
# define GLCALLBACK
# define GLCALLBACKP *
# define GLCALLBACKPCAST *
# define GLWINAPIV
#endif /* WIN32 / CYGWIN bracket */
-/* compatability guard so we don't need to change client code */
+/* compatibility guard so we don't need to change client code */
-#if defined(_WIN32) && !defined(_WINDEF_) && !defined(_GNU_H_WINDOWS32_BASE) && !defined(OPENSTEP)
+#if defined(_WIN32) && !defined(_WINDEF_) && !defined(_WINDEF_H) && !defined(_GNU_H_WINDOWS32_BASE) && !defined(OPENSTEP) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
#if 0
# define CALLBACK GLCALLBACK
-#endif
-typedef int (GLAPIENTRY *PROC)();
typedef void *HGLRC;
typedef void *HDC;
+#endif
+typedef int (GLAPIENTRY *PROC)();
typedef unsigned long COLORREF;
#endif
-#if defined(_WIN32) && !defined(_WINGDI_) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP)
+
+/* Make sure we include glext.h from gl.h */
+#define GL_GLEXT_PROTOTYPES
+
+
+#if defined(_WIN32) && !defined(_WINGDI_) && !defined(_WINGDI_H) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP) && !defined(BUILD_FOR_SNAP)
# define WGL_FONT_LINES 0
# define WGL_FONT_POLYGONS 1
#ifndef _GNU_H_WINDOWS32_FUNCTIONS
typedef struct tagLAYERPLANEDESCRIPTOR LAYERPLANEDESCRIPTOR, *PLAYERPLANEDESCRIPTOR, *LPLAYERPLANEDESCRIPTOR;
typedef struct _GLYPHMETRICSFLOAT GLYPHMETRICSFLOAT, *PGLYPHMETRICSFLOAT, *LPGLYPHMETRICSFLOAT;
typedef struct tagPIXELFORMATDESCRIPTOR PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR;
-#include <gl/mesa_wgl.h>
+#if !defined(GLX_USE_MESA)
+#include <GL/mesa_wgl.h>
#endif
+#endif
+
+
+/*
+ * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN.
+ * Do not use them unless absolutely necessary!
+ * Try to use a runtime test instead.
+ * For now, only used by some DRI hardware drivers for color/texel packing.
+ */
+#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
+#if defined(__linux__)
+#include <byteswap.h>
+#define CPU_TO_LE32( x ) bswap_32( x )
+#else /*__linux__*/
+#define CPU_TO_LE32( x ) ( x ) /* fix me for non-Linux big-endian! */
+#endif /*__linux__*/
+#define MESA_BIG_ENDIAN 1
+#else
+#define CPU_TO_LE32( x ) ( x )
+#define MESA_LITTLE_ENDIAN 1
+#endif
+#define LE32_TO_CPU( x ) CPU_TO_LE32( x )
+/* This is a macro on IRIX */
+#ifdef _P
+#undef _P
+#endif
+
-/* Make sure we include glext.h */
#include "GL/gl.h"
#include "GL/glext.h"
+#ifndef CAPI
+#if defined(WIN32) && !defined(BUILD_FOR_SNAP)
+#define CAPI _cdecl
+#else
+#define CAPI
+#endif
+#endif
+#include <GL/internal/glcore.h>
+
+
/* Disable unreachable code warnings for Watcom C++ */
#ifdef __WATCOMC__
* than GNU C
*/
#ifndef _ASMAPI
-#if !defined( __GNUC__ ) && !defined( VMS )
+#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
#define _ASMAPI __cdecl
#else
#define _ASMAPI
#endif
+/* Function inlining */
+#if defined(__GNUC__)
+# define INLINE __inline__
+#elif defined(__MSC__)
+# define INLINE __inline
+#elif defined(_MSC_VER)
+# define INLINE __inline
+#elif defined(__ICL)
+# define INLINE __inline
+#elif defined(__INTEL_COMPILER)
+# define INLINE inline
+#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
+# define INLINE __inline
+#else
+# define INLINE
+#endif
+
+
+/* Some compilers don't like some of Mesa's const usage */
+#ifdef NO_CONST
+# define CONST
+#else
+# define CONST const
+#endif
+
+
+#if defined(BUILD_FOR_SNAP) && defined(CHECKED)
+# define ASSERT(X) _CHECK(X)
+#elif defined(DEBUG)
+# define ASSERT(X) assert(X)
+#else
+# define ASSERT(X)
+#endif
+
+
+/**
+ * Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
+ * as a int (thereby using integer registers instead of FP registers) is
+ * a performance win. Typically, this can be done with ordinary casts.
+ * But with gcc's -fstrict-aliasing flag (which defaults to on in gcc 3.0)
+ * these casts generate warnings.
+ * The following union typedef is used to solve that.
+ */
+typedef union { GLfloat f; GLint i; } fi_type;
+
+
+#include "config.h"
#endif /* GLHEADER_H */
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