#define IMPORTS_H
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
#include "compiler.h"
#include "glheader.h"
-#include "errors.h"
+#include "util/bitscan.h"
#ifdef __cplusplus
extern "C" {
/**
* Sometimes we treat GLfloats as GLints. On x86 systems, moving a float
- * as a int (thereby using integer registers instead of FP registers) is
+ * as an 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.
-/**********************************************************************
- * Math macros
- */
-
-#define MAX_GLUSHORT 0xffff
-#define MAX_GLUINT 0xffffffff
-
-/* Degrees to radians conversion: */
-#define DEG2RAD (M_PI/180.0)
-
-
-/**
- * \name Work-arounds for platforms that lack C99 math functions
- */
-/*@{*/
-#if (!defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE < 600)) && !defined(_ISOC99_SOURCE) \
- && (!defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L)) \
- && (!defined(_MSC_VER) || (_MSC_VER < 1400))
-
-#define sqrtf(f) ((float) sqrt(f))
-#endif
-
-#if defined(_MSC_VER)
-#if _MSC_VER < 1800 /* Not req'd on VS2013 and above */
-static inline int isblank(int ch) { return ch == ' ' || ch == '\t'; }
-#define strtoll(p, e, b) _strtoi64(p, e, b)
-#endif /* _MSC_VER < 1800 */
-#define strcasecmp(s1, s2) _stricmp(s1, s2)
-#endif
/*@}*/
-/*
- * signbit() is a macro on Linux. Not available on Windows.
- */
-#ifndef signbit
-#define signbit(x) ((x) < 0.0f)
-#endif
-
-
-/** single-precision inverse square root */
-static inline float
-INV_SQRTF(float x)
-{
- /* XXX we could try Quake's fast inverse square root function here */
- return 1.0F / sqrtf(x);
-}
-
-
/***
*** LOG2: Log base 2 of float
***/
+/**
+ * finite macro.
+ */
+#if defined(_MSC_VER)
+# define finite _finite
+#endif
+
+
/***
*** IS_INF_OR_NAN: test if float is infinite or NaN
***/
return (int) ((f >= 0.0F) ? (f + 0.5F) : (f - 0.5F));
}
+/**
+ * Convert double to int by rounding to nearest integer, away from zero.
+ */
+static inline int IROUNDD(double d)
+{
+ return (int) ((d >= 0.0) ? (d + 0.5) : (d - 0.5));
+}
/**
* Convert float to int64 by rounding to nearest integer.
return (int) (f + 0.5F);
}
-#ifdef __x86_64__
-# include <xmmintrin.h>
-#endif
-
-/**
- * Convert float to int using a fast method. The rounding mode may vary.
- */
-static inline int F_TO_I(float f)
-{
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
- int r;
- __asm__ ("fistpl %0" : "=m" (r) : "t" (f) : "st");
- return r;
-#elif defined(USE_X86_ASM) && defined(_MSC_VER)
- int r;
- _asm {
- fld f
- fistp r
- }
- return r;
-#elif defined(__x86_64__)
- return _mm_cvt_ss2si(_mm_load_ss(&f));
-#else
- return IROUND(f);
-#endif
-}
-
-
/** Return (as an integer) floor of float */
static inline int IFLOOR(float f)
{
}
-/** Return (as an integer) ceiling of float */
-static inline int ICEIL(float f)
-{
-#if defined(USE_X86_ASM) && defined(__GNUC__) && defined(__i386__)
- /*
- * IEEE ceil for computers that round to nearest or even.
- * 'f' must be between -4194304 and 4194303.
- * This ceil operation is done by "(iround(f + .5) + iround(f - .5) + 1) >> 1",
- * but uses some IEEE specific tricks for better speed.
- * Contributed by Josh Vanderhoof
- */
- int ai, bi;
- double af, bf;
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- /* GCC generates an extra fstp/fld without this. */
- __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st");
- __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st");
- return (ai - bi + 1) >> 1;
-#else
- int ai, bi;
- double af, bf;
- fi_type u;
- af = (3 << 22) + 0.5 + (double)f;
- bf = (3 << 22) + 0.5 - (double)f;
- u.f = (float) af; ai = u.i;
- u.f = (float) bf; bi = u.i;
- return (ai - bi + 1) >> 1;
-#endif
-}
-
-
/**
* Is x a power of two?
*/
}
-/**
- * Return 1 if this is a little endian machine, 0 if big endian.
- */
-static inline GLboolean
-_mesa_little_endian(void)
-{
- const GLuint ui = 1; /* intentionally not static */
- return *((const GLubyte *) &ui);
-}
-
-
-
/**********************************************************************
* Functions
*/
_mesa_align_realloc(void *oldBuffer, size_t oldSize, size_t newSize,
unsigned long alignment);
-extern void *
-_mesa_exec_malloc( GLuint size );
-
-extern void
-_mesa_exec_free( void *addr );
-
-
-#ifndef FFS_DEFINED
-#define FFS_DEFINED 1
-#ifdef HAVE___BUILTIN_FFS
-#define ffs __builtin_ffs
-#else
-extern int ffs(int i);
-#endif
-
-#ifdef HAVE___BUILTIN_FFSLL
-#define ffsll __builtin_ffsll
-#else
-extern int ffsll(long long int i);
-#endif
-#endif /* FFS_DEFINED */
-
-
-#ifdef HAVE___BUILTIN_POPCOUNT
-#define _mesa_bitcount(i) __builtin_popcount(i)
-#else
-extern unsigned int
-_mesa_bitcount(unsigned int n);
-#endif
-
-#ifdef HAVE___BUILTIN_POPCOUNTLL
-#define _mesa_bitcount_64(i) __builtin_popcountll(i)
-#else
-extern unsigned int
-_mesa_bitcount_64(uint64_t n);
-#endif
-
-/**
- * Find the last (most significant) bit set in a word.
- *
- * Essentially ffs() in the reverse direction.
- */
-static inline unsigned int
-_mesa_fls(unsigned int n)
-{
-#ifdef HAVE___BUILTIN_CLZ
- return n == 0 ? 0 : 32 - __builtin_clz(n);
-#else
- unsigned int v = 1;
-
- if (n == 0)
- return 0;
-
- while (n >>= 1)
- v++;
-
- return v;
-#endif
-}
-
-extern int
-_mesa_round_to_even(float val);
-
-extern GLhalfARB
-_mesa_float_to_half(float f);
-
-extern float
-_mesa_half_to_float(GLhalfARB h);
-
-static inline bool
-_mesa_half_is_negative(GLhalfARB h)
-{
- return h & 0x8000;
-}
-
-extern char *
-_mesa_strdup( const char *s );
-
-extern unsigned int
-_mesa_str_checksum(const char *str);
-
extern int
_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) PRINTFLIKE(3, 4);
_mesa_vsnprintf(char *str, size_t size, const char *fmt, va_list arg);
-#if defined(_MSC_VER) && !defined(snprintf)
-#define snprintf _snprintf
+#if defined(_WIN32) && !defined(HAVE_STRTOK_R)
+#define strtok_r strtok_s
#endif
-
#ifdef __cplusplus
}
#endif
projects / mesa.git / blobdiff