protot/3rdparty/bgfx/3rdparty/glsl-optimizer/include/c99_compat.h

181 lines
6.4 KiB
C

/**************************************************************************
*
* Copyright 2007-2013 VMware, Inc.
* 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 VMWARE 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.
*
**************************************************************************/
#ifndef _C99_COMPAT_H_
#define _C99_COMPAT_H_
/*
* MSVC hacks.
*/
#if defined(_MSC_VER)
// BK - STFU!
# pragma warning(disable:4244) // warning C4244: 'function' : conversion from 'intmax_t' to 'int', possible loss of data
# pragma warning(disable:4267) // warning C4267: '=' : conversion from 'size_t' to 'unsigned int', possible loss of data
# pragma warning(disable:4351) // warning C4351: new behavior: elements of array '`anonymous-namespace'::per_vertex_accumulator::fields' will be default initialized
# pragma warning(disable:4345) // warning C4345: behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized
# pragma warning(disable:4715) // warning C4715: 'write_mask_to_swizzle' : not all control paths return a value
# pragma warning(disable:4800) // warning C4800: 'unsigned int' : forcing value to bool 'true' or 'false' (performance warning)
# pragma warning(disable:4456) // warning C4456: declaration of 'deref_var' hides previous local declaration
# pragma warning(disable:4457) // warning C4457: declaration of 'idx' hides function parameter
# pragma warning(disable:4458) // warning C4458: declaration of 'type' hides class member
# pragma warning(disable:4018) // warning C4018: '<': signed / unsigned mismatch
# pragma warning(disable:4805) // warning C4805: '|=': unsafe mix of type 'GLboolean' and type 'bool' in operation
/*
* Visual Studio 2012 will complain if we define the `inline` keyword, but
* actually it only supports the keyword on C++.
*
* To avoid this the _ALLOW_KEYWORD_MACROS must be set.
*/
# if (_MSC_VER >= 1700) && !defined(_ALLOW_KEYWORD_MACROS)
# define _ALLOW_KEYWORD_MACROS
# endif
/*
* XXX: MSVC has a `__restrict` keyword, but it also has a
* `__declspec(restrict)` modifier, so it is impossible to define a
* `restrict` macro without interfering with the latter. Furthermore the
* MSVC standard library uses __declspec(restrict) under the _CRTRESTRICT
* macro. For now resolve this issue by redefining _CRTRESTRICT, but going
* forward we should probably should stop using restrict, especially
* considering that our code does not obbey strict aliasing rules any way.
*/
# include <crtdefs.h>
# undef _CRTRESTRICT
# define _CRTRESTRICT
#else
// BK - STFU!
# pragma GCC diagnostic ignored "-Wunknown-pragmas" // for clang to disable GCC pragmas
# pragma GCC diagnostic ignored "-Wpragmas" // for GCC to disable clang pragmas
# pragma GCC diagnostic ignored "-Wformat-extra-args"
# pragma GCC diagnostic ignored "-Wignored-qualifiers"
# pragma GCC diagnostic ignored "-Wmissing-field-initializers"
# pragma GCC diagnostic ignored "-Wreorder"
# pragma GCC diagnostic ignored "-Woverloaded-virtual"
# pragma GCC diagnostic ignored "-Wsign-compare"
# pragma GCC diagnostic ignored "-Wunneeded-internal-declaration"
# pragma GCC diagnostic ignored "-Wunused-parameter"
# pragma GCC diagnostic ignored "-Wunused-private-field"
# pragma GCC diagnostic ignored "-Wunused-variable"
# pragma GCC diagnostic ignored "-Wdelete-non-virtual-dtor"
# if !defined(__clang__)
# pragma GCC diagnostic ignored "-Wformat="
# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
# endif
#endif
/*
* C99 inline keyword
*/
#ifndef inline
# ifdef __cplusplus
/* C++ supports inline keyword */
# elif defined(__GNUC__)
# define inline __inline__
# elif defined(_MSC_VER)
# define inline __inline
# elif defined(__ICL)
# define inline __inline
# elif defined(__INTEL_COMPILER)
/* Intel compiler supports inline keyword */
# elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
# define inline __inline
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
/* C99 supports inline keyword */
# elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
/* C99 supports inline keyword */
# else
# define inline
# endif
#endif
/*
* C99 restrict keyword
*
* See also:
* - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html
*/
#ifndef restrict
# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
/* C99 */
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
/* C99 */
# elif defined(__GNUC__)
# define restrict __restrict__
# elif defined(_MSC_VER)
# define restrict __restrict
# else
# define restrict /* */
# endif
#endif
/*
* C99 __func__ macro
*/
#ifndef __func__
# if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(_MSC_VER)
/* C99 */
# elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
/* C99 */
# elif defined(__GNUC__)
# if __GNUC__ >= 2
# define __func__ __FUNCTION__
# else
# define __func__ "<unknown>"
# endif
# elif defined(_MSC_VER)
# if _MSC_VER >= 1300
# define __func__ __FUNCTION__
# else
# define __func__ "<unknown>"
# endif
# else
# define __func__ "<unknown>"
# endif
#endif
/* Simple test case for debugging */
#if 0
static inline const char *
test_c99_compat_h(const void * restrict a,
const void * restrict b)
{
return __func__;
}
#endif
#endif /* _C99_COMPAT_H_ */