/*
* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
-#if defined(__linux__) && defined(__i386__)
-#include <fpu_control.h>
-#endif
#include <float.h>
#include <stdarg.h>
+#include "c99_compat.h" /* inline, __func__, etc. */
+
#ifdef __cplusplus
extern "C" {
/**
* Get standard integer types
*/
-#if defined(_MSC_VER)
- typedef __int8 int8_t;
- typedef unsigned __int8 uint8_t;
- typedef __int16 int16_t;
- typedef unsigned __int16 uint16_t;
-# ifndef __eglplatform_h_
- typedef __int32 int32_t;
-# endif
- typedef unsigned __int32 uint32_t;
- typedef __int64 int64_t;
- typedef unsigned __int64 uint64_t;
-
-# if defined(_WIN64)
- typedef __int64 intptr_t;
- typedef unsigned __int64 uintptr_t;
-# else
- typedef __int32 intptr_t;
- typedef unsigned __int32 uintptr_t;
-# endif
-
-# define INT64_C(__val) __val##i64
-# define UINT64_C(__val) __val##ui64
-#else
-# include <stdint.h>
-#endif
+#include <stdint.h>
/**
/**
* finite macro.
*/
-#if defined(_WIN32) && !defined(__WIN32__) && !defined(__CYGWIN__) && !defined(BUILD_FOR_SNAP)
-# define __WIN32__
+#if defined(_MSC_VER)
# define finite _finite
#elif defined(__WATCOMC__)
# define finite _finite
/**
* Disable assorted warnings
*/
-#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP)
+#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 */
-/**
- * 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
-#elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
+/* XXX: Use standard `inline` keyword instead */
+#ifndef INLINE
# define INLINE inline
-# define __inline inline
-# define __inline__ inline
-#elif (__STDC_VERSION__ >= 199901L) /* C99 */
-# define INLINE inline
-#else
-# define INLINE
#endif
* 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. In those places use
- * CONST instead of const. Pass -DNO_CONST to compilers where this matters.
- */
-#ifdef NO_CONST
-# define CONST
-#else
-# define CONST const
+#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__) || __GNUC__ < 3) && (!defined(__IBMC__) || __IBMC__ < 900)
-# define __builtin_expect(x, y) x
+#if !defined(__GNUC__)
+# define __builtin_expect(x, y) (x)
#endif
-
-/**
- * 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.
- */
-#ifndef __FUNCTION__
-# if defined(__VMS)
-# define __FUNCTION__ "VMS$NL:"
-# elif ((!defined __GNUC__) || (__GNUC__ < 2)) && (!defined __xlC__) && \
- (!defined(_MSC_VER) || _MSC_VER < 1300)
-# if (__STDC_VERSION__ >= 199901L) /* C99 */ || \
- (defined(__SUNPRO_C) && defined(__C99FEATURES__))
-# define __FUNCTION__ __func__
+#ifndef likely
+# ifdef __GNUC__
+# define likely(x) __builtin_expect(!!(x), 1)
+# define unlikely(x) __builtin_expect(!!(x), 0)
# else
-# define __FUNCTION__ "<unknown>"
+# define likely(x) (x)
+# define unlikely(x) (x)
# endif
-# endif
#endif
+/* XXX: Use standard `__func__` instead */
+#ifndef __FUNCTION__
+# define __FUNCTION__ __func__
+#endif
/**
- * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN.
- * Do not use them unless absolutely necessary!
+ * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN, and CPU_TO_LE32.
+ * Do not use these unless absolutely necessary!
* Try to use a runtime test instead.
* For now, only used by some DRI hardware drivers for color/texel packing.
*/
#include <CoreFoundation/CFByteOrder.h>
#define CPU_TO_LE32( x ) CFSwapInt32HostToLittle( x )
#elif (defined(_AIX) || defined(__blrts))
-#define CPU_TO_LE32( x ) x = ((x & 0x000000ff) << 24) | \
- ((x & 0x0000ff00) << 8) | \
- ((x & 0x00ff0000) >> 8) | \
- ((x & 0xff000000) >> 24);
+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 )
#else /*__linux__ */
#include <sys/endian.h>
#define CPU_TO_LE32( x ) bswap32( x )
-#if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP)
+#if !defined(CAPI) && defined(_WIN32) && !defined(BUILD_FOR_SNAP)
#define CAPI _cdecl
#endif
* than GNU C
*/
#ifndef _ASMAPI
-#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
+#if defined(_WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/
#define _ASMAPI __cdecl
#else
#define _ASMAPI
#endif
-/* This is a macro on IRIX */
-#ifdef _P
-#undef _P
-#endif
-
-
/* Turn off macro checking systems used by other libraries */
#ifdef CHECK
#undef CHECK
#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__) || (__GNUC__ < 2) || \
- ((__GNUC__ == 2) && (__GNUC_MINOR__ <= 7))
+#if !defined(__GNUC__)
# define LONGSTRING
#else
# define LONGSTRING __extension__
#ifndef M_PI
-#define M_PI (3.1415926536)
+#define M_PI (3.14159265358979323846)
#endif
#ifndef M_E
#define M_E (2.7182818284590452354)
#endif
-#ifndef ONE_DIV_LN2
-#define ONE_DIV_LN2 (1.442695040888963456)
+#ifndef M_LOG2E
+#define M_LOG2E (1.4426950408889634074)
#endif
#ifndef ONE_DIV_SQRT_LN2
* USE_IEEE: Determine if we're using IEEE floating point
*/
#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \
- defined(__s390x__) || defined(__powerpc__) || \
+ 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) || !defined(VMS)))
+ defined(__alpha__)
#define USE_IEEE
#define IEEE_ONE 0x3f800000
#endif