/*
* Mesa 3-D graphics library
- * Version: 7.5
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <assert.h>
-#include <ctype.h>
-#if defined(__alpha__) && defined(CCPML)
-#include <cpml.h> /* use Compaq's Fast Math Library on Alpha */
-#else
-#include <math.h>
-#endif
-#include <limits.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <float.h>
-#include <stdarg.h>
+
+#include "util/macros.h"
#include "c99_compat.h" /* inline, __func__, etc. */
#endif
-/**
- * Get standard integer types
- */
-#include <stdint.h>
-
-
/**
* Sun compilers define __i386 instead of the gcc-style __i386__
*/
# elif !defined(__sparc__) && defined(__sparc)
# define __sparc__
# endif
-# if !defined(__volatile)
-# define __volatile volatile
-# endif
#endif
-/**
- * finite macro.
- */
-#if defined(_MSC_VER)
-# define finite _finite
-#elif defined(__WATCOMC__)
-# define finite _finite
-#endif
-
-
-/**
- * Disable assorted warnings
- */
-#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
-#endif
-#if defined(__WATCOMC__)
-# pragma disable_message(201) /* Disable unreachable code warnings */
-#endif
-
-
-
-/* XXX: Use standard `inline` keyword instead */
-#ifndef INLINE
-# define INLINE inline
-#endif
-
-
-/**
- * PUBLIC/USED macros
- *
- * 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
- */
-#ifndef PUBLIC
-# if (defined(__GNUC__) && __GNUC__ >= 4) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
-# define PUBLIC __attribute__((visibility("default")))
-# define USED __attribute__((used))
-# else
-# define PUBLIC
-# define USED
-# endif
-#endif
-
-
-/**
- * __builtin_expect macros
- */
-#if !defined(__GNUC__)
-# define __builtin_expect(x, y) (x)
-#endif
-
-#ifndef likely
-# ifdef __GNUC__
-# define likely(x) __builtin_expect(!!(x), 1)
-# define unlikely(x) __builtin_expect(!!(x), 0)
-# else
-# define likely(x) (x)
-# define unlikely(x) (x)
-# endif
-#endif
-
-/* XXX: Use standard `__func__` instead */
-#ifndef __FUNCTION__
-# define __FUNCTION__ __func__
-#endif
-
/**
* Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN, and CPU_TO_LE32.
* Do not use these unless absolutely necessary!
#elif defined(__APPLE__)
#include <CoreFoundation/CFByteOrder.h>
#define CPU_TO_LE32( x ) CFSwapInt32HostToLittle( x )
-#elif (defined(_AIX) || defined(__blrts))
-static INLINE GLuint CPU_TO_LE32(GLuint x)
-{
- return (((x & 0x000000ff) << 24) |
- ((x & 0x0000ff00) << 8) |
- ((x & 0x00ff0000) >> 8) |
- ((x & 0xff000000) >> 24));
-}
#elif defined(__OpenBSD__)
#include <sys/types.h>
#define CPU_TO_LE32( x ) htole32( x )
-#if !defined(CAPI) && defined(_WIN32) && !defined(BUILD_FOR_SNAP)
-#define CAPI _cdecl
-#endif
-
-
-/**
- * Create a macro so that asm functions can be linked into compilers other
- * than GNU C
- */
-#ifndef _ASMAPI
-#if defined(_WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
-#define _ASMAPI __cdecl
-#else
-#define _ASMAPI
-#endif
-#ifdef PTR_DECL_IN_FRONT
-#define _ASMAPIP * _ASMAPI
-#else
-#define _ASMAPIP _ASMAPI *
-#endif
-#endif
-
-#ifdef USE_X86_ASM
-#define _NORMAPI _ASMAPI
-#define _NORMAPIP _ASMAPIP
-#else
-#define _NORMAPI
-#define _NORMAPIP *
-#endif
-
-
-/* Turn off macro checking systems used by other libraries */
-#ifdef CHECK
-#undef CHECK
-#endif
-
-
-/**
- * ASSERT macro
- */
-#if !defined(_WIN32_WCE)
-#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
-#endif
-
-
-/**
- * Static (compile-time) assertion.
- * Basically, use COND to dimension an array. If COND is false/zero the
- * array size will be -1 and we'll get a compilation error.
- */
-#define STATIC_ASSERT(COND) \
- do { \
- (void) sizeof(char [1 - 2*!(COND)]); \
- } while (0)
-
-
-#if (__GNUC__ >= 3)
-#define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
-#else
-#define PRINTFLIKE(f, a)
-#endif
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-
-/**
- * LONGSTRING macro
- * gcc -pedantic warns about long string literals, LONGSTRING silences that.
- */
-#if !defined(__GNUC__)
-# define LONGSTRING
-#else
-# define LONGSTRING __extension__
-#endif
-
-
-#ifndef M_PI
-#define M_PI (3.14159265358979323846)
-#endif
-
-#ifndef M_E
-#define M_E (2.7182818284590452354)
-#endif
-
-#ifndef M_LOG2E
-#define M_LOG2E (1.4426950408889634074)
-#endif
-
-#ifndef ONE_DIV_SQRT_LN2
-#define ONE_DIV_SQRT_LN2 (1.201122408786449815)
-#endif
-
-#ifndef FLT_MAX_EXP
-#define FLT_MAX_EXP 128
-#endif
-
-
-/**
- * USE_IEEE: Determine if we're using IEEE floating point
- */
-#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
- defined(__s390__) || defined(__s390x__) || defined(__powerpc__) || \
- defined(__x86_64__) || \
- defined(__m68k__) || \
- defined(ia64) || defined(__ia64__) || \
- defined(__hppa__) || defined(hpux) || \
- defined(__mips) || defined(_MIPS_ARCH) || \
- defined(__arm__) || \
- defined(__sh__) || defined(__m32r__) || \
- (defined(__sun) && defined(_IEEE_754)) || \
- (defined(__alpha__) && defined(__IEEE_FLOAT))
-#define USE_IEEE
#define IEEE_ONE 0x3f800000
-#endif
-
-
-/**
- * START/END_FAST_MATH macros:
- *
- * START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save
- * original mode to a temporary).
- * END_FAST_MATH: Restore x86 FPU to original mode.
- */
-#if defined(__GNUC__) && defined(__i386__)
-/*
- * Set the x86 FPU control word to guarentee only 32 bits of precision
- * are stored in registers. Allowing the FPU to store more introduces
- * differences between situations where numbers are pulled out of memory
- * vs. situations where the compiler is able to optimize register usage.
- *
- * In the worst case, we force the compiler to use a memory access to
- * truncate the float, by specifying the 'volatile' keyword.
- */
-/* Hardware default: All exceptions masked, extended double precision,
- * round to nearest (IEEE compliant):
- */
-#define DEFAULT_X86_FPU 0x037f
-/* All exceptions masked, single precision, round to nearest:
- */
-#define FAST_X86_FPU 0x003f
-/* The fldcw instruction will cause any pending FP exceptions to be
- * raised prior to entering the block, and we clear any pending
- * exceptions before exiting the block. Hence, asm code has free
- * reign over the FPU while in the fast math block.
- */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) \
-do { \
- static GLuint mask = DEFAULT_X86_FPU; \
- __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \
- __asm__ ( "fldcw %0" : : "m" (mask) ); \
-} while (0)
-#else
-#define START_FAST_MATH(x) \
-do { \
- static GLuint mask = FAST_X86_FPU; \
- __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \
- __asm__ ( "fldcw %0" : : "m" (mask) ); \
-} while (0)
-#endif
-/* Restore original FPU mode, and clear any exceptions that may have
- * occurred in the FAST_MATH block.
- */
-#define END_FAST_MATH(x) \
-do { \
- __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \
-} while (0)
-
-#elif defined(__WATCOMC__) && defined(__386__)
-#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */
-#define FAST_X86_FPU 0x003f /* See GCC comments above */
-void _watcom_start_fast_math(unsigned short *x,unsigned short *mask);
-#pragma aux _watcom_start_fast_math = \
- "fnstcw word ptr [eax]" \
- "fldcw word ptr [ecx]" \
- parm [eax] [ecx] \
- modify exact [];
-void _watcom_end_fast_math(unsigned short *x);
-#pragma aux _watcom_end_fast_math = \
- "fnclex" \
- "fldcw word ptr [eax]" \
- parm [eax] \
- modify exact [];
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) \
-do { \
- static GLushort mask = DEFAULT_X86_FPU; \
- _watcom_start_fast_math(&x,&mask); \
-} while (0)
-#else
-#define START_FAST_MATH(x) \
-do { \
- static GLushort mask = FAST_X86_FPU; \
- _watcom_start_fast_math(&x,&mask); \
-} while (0)
-#endif
-#define END_FAST_MATH(x) _watcom_end_fast_math(&x)
-
-#elif defined(_MSC_VER) && defined(_M_IX86)
-#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */
-#define FAST_X86_FPU 0x003f /* See GCC comments above */
-#if defined(NO_FAST_MATH)
-#define START_FAST_MATH(x) do {\
- static GLuint mask = DEFAULT_X86_FPU;\
- __asm fnstcw word ptr [x]\
- __asm fldcw word ptr [mask]\
-} while(0)
-#else
-#define START_FAST_MATH(x) do {\
- static GLuint mask = FAST_X86_FPU;\
- __asm fnstcw word ptr [x]\
- __asm fldcw word ptr [mask]\
-} while(0)
-#endif
-#define END_FAST_MATH(x) do {\
- __asm fnclex\
- __asm fldcw word ptr [x]\
-} while(0)
-
-#else
-#define START_FAST_MATH(x) x = 0
-#define END_FAST_MATH(x) (void)(x)
-#endif
-
-
-#ifndef Elements
-#define Elements(x) (sizeof(x)/sizeof(*(x)))
-#endif
-
#ifdef __cplusplus
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