-/* $Id: glheader.h,v 1.24 2001/12/20 18:59:39 kschultz 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: 3.5
+ * Version: 6.5
*
- * Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 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"),
#ifndef GLHEADER_H
#define GLHEADER_H
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
-/*
- * 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.
- *
- * Put compiler/OS/assembly pragmas and macros here to avoid
- * cluttering other source files.
- */
-
-
-
-#ifdef XFree86LOADER
+#if defined(XFree86LOADER) && defined(IN_MODULE) && !defined(NO_LIBCWRAPPER)
#include "xf86_ansic.h"
#else
#include <assert.h>
#endif
#endif
#include <float.h>
+#include <stdarg.h>
-#ifdef HAVE_CONFIG_H
-#include "conf.h"
+/* Get typedefs for uintptr_t and friends */
+#if defined(__MINGW32__) || defined(__NetBSD__)
+# include <stdint.h>
+#elif defined(_WIN32)
+# include <BaseTsd.h>
+# if _MSC_VER == 1200
+ typedef UINT_PTR uintptr_t;
+# endif
+#else
+# include <inttypes.h>
#endif
+#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
+# define __WIN32__
+# define finite _finite
+#endif
-
-#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__)
-# define __WIN32__
-# define finite _finite
+#if defined(__WATCOMC__)
+# define finite _finite
+# pragma disable_message(201) /* Disable unreachable code warnings */
#endif
-#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__))
-# 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 */
-# pragma warning( disable : 4127 ) /* conditional expression is constant */
-# if defined(MESA_MINWARN)
-# pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
-# pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
-# pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
-# pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */
-# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
+
+#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
+# if !defined(__GNUC__) /* mingw environment */
+# 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 */
+# pragma warning( disable : 4127 ) /* conditional expression is constant */
+# if defined(MESA_MINWARN)
+# pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */
+# pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */
+# pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */
+# pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */
+# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */
+# endif
# endif
-# if defined(_MSC_VER) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
-# define GLAPI __declspec(dllexport)
+# if (defined(_MSC_VER) || defined(__MINGW32__)) && defined(BUILD_GL32) /* tag specify we're building mesa as a DLL */
# define WGLAPI __declspec(dllexport)
-# elif defined(_MSC_VER) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
-# define GLAPI __declspec(dllimport)
+# elif (defined(_MSC_VER) || defined(__MINGW32__)) && defined(_DLL) /* tag specifying we're building for DLL runtime support */
# define WGLAPI __declspec(dllimport)
# else /* for use with static link lib build of Win32 edition only */
-# define GLAPI extern
# define WGLAPI __declspec(dllimport)
# endif /* _STATIC_MESA support */
-# define GLAPIENTRY __stdcall
-# define GLAPIENTRYP __stdcall *
-# define GLCALLBACK __stdcall
-# define GLCALLBACKP __stdcall *
-# if defined(__CYGWIN__)
-# define GLCALLBACKPCAST *
-# else
-# define GLCALLBACKPCAST __stdcall *
-# endif
-# define GLWINAPI __stdcall
-# define GLWINAPIV __cdecl
-#else
-/* non-Windows compilation */
-# define GLAPI extern
-# define GLAPIENTRY
-# define GLAPIENTRYP *
-# define GLCALLBACK
-# define GLCALLBACKP *
-# define GLCALLBACKPCAST *
-# define GLWINAPI
-# define GLWINAPIV
#endif /* WIN32 / CYGWIN bracket */
-/* compatability guard so we don't need to change client code */
-#if defined(_WIN32) && !defined(_WINDEF_) && !defined(_GNU_H_WINDOWS32_BASE) && !defined(OPENSTEP) && !defined(__CYGWIN__)
-#if 0
-# define CALLBACK GLCALLBACK
-typedef void *HGLRC;
-typedef void *HDC;
-#endif
-typedef int (GLAPIENTRY *PROC)();
-typedef unsigned long COLORREF;
+/*
+ * 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 )
-/* Make sure we include glext.h from gl.h */
#define GL_GLEXT_PROTOTYPES
-
-
-#if defined(_WIN32) && !defined(_WINGDI_) && !defined(_GNU_H_WINDOWS32_DEFINES) && !defined(OPENSTEP)
-# define WGL_FONT_LINES 0
-# define WGL_FONT_POLYGONS 1
-#ifndef _GNU_H_WINDOWS32_FUNCTIONS
-# ifdef UNICODE
-# define wglUseFontBitmaps wglUseFontBitmapsW
-# define wglUseFontOutlines wglUseFontOutlinesW
-# else
-# define wglUseFontBitmaps wglUseFontBitmapsA
-# define wglUseFontOutlines wglUseFontOutlinesA
-# endif /* !UNICODE */
-#endif /* _GNU_H_WINDOWS32_FUNCTIONS */
-typedef struct tagLAYERPLANEDESCRIPTOR LAYERPLANEDESCRIPTOR, *PLAYERPLANEDESCRIPTOR, *LPLAYERPLANEDESCRIPTOR;
-typedef struct _GLYPHMETRICSFLOAT GLYPHMETRICSFLOAT, *PGLYPHMETRICSFLOAT, *LPGLYPHMETRICSFLOAT;
-typedef struct tagPIXELFORMATDESCRIPTOR PIXELFORMATDESCRIPTOR, *PPIXELFORMATDESCRIPTOR, *LPPIXELFORMATDESCRIPTOR;
-#if !defined(GLX_USE_MESA)
-#include <gl/mesa_wgl.h>
-#endif
-#endif
-
-
-/* This is a macro on IRIX */
-#ifdef _P
-#undef _P
-#endif
-
-
-
#include "GL/gl.h"
#include "GL/glext.h"
-#ifndef CAPI
-#ifdef WIN32
+#if !defined(CAPI) && 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__
-#pragma disable_message(201)
+/* This is a macro on IRIX */
+#ifdef _P
+#undef _P
#endif
* 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
# 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
+/* If we build the library with gcc's -fvisibility=hidden flag, we'll
+ * use the PUBLIC macro to mark functions that are to be exported.
+ *
+ * We also need to define a USED attribute, so the optimizer doesn't
+ * inline a static function that we later use in an alias. - ajax
+ */
+#if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 303
+# define PUBLIC __attribute__((visibility("default")))
+# define USED __attribute__((used))
+#else
+# define PUBLIC
+# define USED
+#endif
+
+
/* Some compilers don't like some of Mesa's const usage */
#ifdef NO_CONST
# define CONST
#endif
-#ifdef DEBUG
+#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;
-
-
-#ifndef GL_MIRRORED_REPEAT_ARB
-#define GL_MIRRORED_REPEAT_ARB 0x8370
+#if !defined __GNUC__ || __GNUC__ < 3
+# define __builtin_expect(x, y) x
#endif
-#ifndef GL_ARB_texture_mirrored_repeat
-#define GL_ARB_texture_mirrored_repeat 1
+
+/* The __FUNCTION__ gcc variable is generally only used for debugging.
+ * If we're not using gcc, define __FUNCTION__ as a cpp symbol here.
+ * Don't define it if using a newer Windows compiler.
+ */
+#if defined(__VMS)
+# define __FUNCTION__ "VMS$NL:"
+#elif __STDC_VERSION__ < 199901L
+# if ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
+ (!defined(_MSC_VER) || _MSC_VER < 1300)
+# define __FUNCTION__ "<unknown>"
+# endif
#endif
+#include "config.h"
+
#endif /* GLHEADER_H */
projects / mesa.git / blobdiff