#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.
#if defined(_MSC_VER)
-#if _MSC_VER < 1800 /* Not req'd on VS2013 and above */
-#define strtoll(p, e, b) _strtoi64(p, e, b)
-#endif /* _MSC_VER < 1800 */
#define strcasecmp(s1, s2) _stricmp(s1, s2)
#endif
/*@}*/
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)
{
_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
_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
-}
-
-/**
- * Find the last (most significant) bit set in a uint64_t value.
- *
- * Essentially ffsll() in the reverse direction.
- */
-static inline unsigned int
-_mesa_flsll(uint64_t n)
-{
-#ifdef HAVE___BUILTIN_CLZLL
- return n == 0 ? 0 : 64 - __builtin_clzll(n);
-#else
- unsigned int v = 1;
-
- if (n == 0)
- return 0;
-
- while (n >>= 1)
- v++;
-
- return v;
-#endif
-}
-
-
-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)
#define snprintf _snprintf
#endif
+#if defined(_WIN32) && !defined(strtok_r)
+#define strtok_r strtok_s
+#endif
#ifdef __cplusplus
}