mesa: make _mesa_read_buffer() static

[mesa.git] / src / mesa / main / imports.h

diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h
index 838b985b215902d78de5b6a1b36198364c8bab9e..d96d666e15fdc9ce9fc266427435b286ca61a91c 100644 (file)
--- a/src/mesa/main/imports.h
+++ b/src/mesa/main/imports.h
@@ -83,9 +83,6 @@ typedef union { GLfloat f; GLint i; GLuint u; } fi_type;
 
 
 #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
 /*@}*/
@@ -121,6 +118,14 @@ static inline GLfloat LOG2(GLfloat x)
 
 
 
+/**
+ * finite macro.
+ */
+#if defined(_MSC_VER)
+#  define finite _finite
+#endif
+
+
 /***
  *** IS_INF_OR_NAN: test if float is infinite or NaN
  ***/
@@ -143,6 +148,13 @@ static inline int IROUND(float f)
    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.
@@ -162,34 +174,6 @@ static inline int IROUND_POS(float f)
    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)
 {
@@ -222,38 +206,6 @@ 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?
  */
@@ -425,14 +377,28 @@ _mesa_fls(unsigned int n)
 #endif
 }
 
-extern int
-_mesa_round_to_even(float val);
+/**
+ * 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;
 
-extern GLhalfARB
-_mesa_float_to_half(float f);
+   while (n >>= 1)
+       v++;
 
-extern float
-_mesa_half_to_float(GLhalfARB h);
+   return v;
+#endif
+}
 
 static inline bool
 _mesa_half_is_negative(GLhalfARB h)
@@ -440,9 +406,6 @@ _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);
 
@@ -457,6 +420,9 @@ _mesa_vsnprintf(char *str, size_t size, const char *fmt, va_list arg);
 #define snprintf _snprintf
 #endif
 
+#if defined(_WIN32) && !defined(strtok_r)
+#define strtok_r strtok_s
+#endif
 
 #ifdef __cplusplus
 }