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Diffstat (limited to 'src/gallium/include/pipe/p_config.h')
| -rw-r--r-- | src/gallium/include/pipe/p_config.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_config.h b/src/gallium/include/pipe/p_config.h new file mode 100644 index 0000000000..de99957d9d --- /dev/null +++ b/src/gallium/include/pipe/p_config.h @@ -0,0 +1,176 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * @file + * Gallium configuration defines. + * + * This header file sets several defines based on the compiler, processor + * architecture, and operating system being used. These defines should be used + * throughout the code to facilitate porting to new platforms. It is likely that + * this file is auto-generated by an autoconf-like tool at some point, as some + * things cannot be determined by pre-defined environment alone. + * + * See also: + * - http://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html + * - echo | gcc -dM -E - | sort + * - http://msdn.microsoft.com/en-us/library/b0084kay.aspx + * + * @author José Fonseca <jrfonseca@tungstengraphics.com> + */ + +#ifndef P_CONFIG_H_ +#define P_CONFIG_H_ + + +/* + * Compiler + */ + +#if defined(__GNUC__) +#define PIPE_CC_GCC +#endif + +/* + * Meaning of _MSC_VER value: + * - 1400: Visual C++ 2005 + * - 1310: Visual C++ .NET 2003 + * - 1300: Visual C++ .NET 2002 + * + * __MSC__ seems to be an old macro -- it is not pre-defined on recent MSVC + * versions. + */ +#if defined(_MSC_VER) || defined(__MSC__) +#define PIPE_CC_MSVC +#endif + +#if defined(__ICL) +#define PIPE_CC_ICL +#endif + + +/* + * Processor architecture + */ + +#if defined(__i386__) /* gcc */ || defined(_M_IX86) /* msvc */ || defined(_X86_) || defined(__386__) || defined(i386) || defined(__i386) /* Sun cc */ +#define PIPE_ARCH_X86 +#endif + +#if defined(__x86_64__) /* gcc */ || defined(_M_X64) /* msvc */ || defined(_M_AMD64) /* msvc */ || defined(__x86_64) /* Sun cc */ +#define PIPE_ARCH_X86_64 +#endif + +#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) +#if defined(PIPE_CC_GCC) && !defined(__SSE2__) +/* #warning SSE2 support requires -msse -msse2 compiler options */ +#else +#define PIPE_ARCH_SSE +#endif +#endif + +#if defined(__PPC__) +#define PIPE_ARCH_PPC +#if defined(__PPC64__) +#define PIPE_ARCH_PPC_64 +#endif +#endif + + +/* + * Endian detection. + */ + +#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64) +#define PIPE_ARCH_LITTLE_ENDIAN +#elif defined(PIPE_ARCH_PPC) || defined(PIPE_ARCH_PPC_64) +#define PIPE_ARCH_BIG_ENDIAN +#else +#define PIPE_ARCH_UNKNOWN_ENDIAN +#endif + + +/* + * Operating system family. + * + * See subsystem below for a more fine-grained distinction. + */ + +#if defined(__linux__) +#define PIPE_OS_LINUX +#endif + +#if defined(__FreeBSD__) +#define PIPE_OS_BSD +#endif + +#if defined(__sun) +#define PIPE_OS_SOLARIS +#endif + +#if defined(__APPLE__) +#define PIPE_OS_APPLE +#endif + +#if defined(_WIN32) || defined(WIN32) +#define PIPE_OS_WINDOWS +#endif + +#if defined(__HAIKU__) +#define PIPE_OS_HAIKU +#endif + +/* + * Subsystem. + * + * NOTE: There is no way to auto-detect most of these. + */ + +#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS) +#define PIPE_SUBSYSTEM_DRI +#endif /* PIPE_OS_LINUX || PIPE_OS_BSD || PIPE_OS_SOLARIS */ + +#if defined(PIPE_OS_WINDOWS) +#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) +/* Windows 2000/XP Display Driver */ +#elif defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) +/* Windows 2000/XP Miniport Driver */ +#elif defined(PIPE_SUBSYSTEM_WINDOWS_USER) +/* Windows User-space Library */ +#elif defined(PIPE_SUBSYSTEM_WINDOWS_CE) +/* Windows CE 5.0/6.0 */ +#else +#ifdef _WIN32_WCE +#define PIPE_SUBSYSTEM_WINDOWS_CE +#else /* !_WIN32_WCE */ +#error No PIPE_SUBSYSTEM_WINDOWS_xxx subsystem defined. +#endif /* !_WIN32_WCE */ +#endif +#endif /* PIPE_OS_WINDOWS */ + + +#endif /* P_CONFIG_H_ */ |