diff options
Diffstat (limited to 'src/mesa/main')
| -rw-r--r-- | src/mesa/main/compiler.h | 18 | ||||
| -rw-r--r-- | src/mesa/main/imports.h | 27 | ||||
| -rw-r--r-- | src/mesa/main/macros.h | 2 |
3 files changed, 4 insertions, 43 deletions
diff --git a/src/mesa/main/compiler.h b/src/mesa/main/compiler.h index ae7d343..3516022 100644 --- a/src/mesa/main/compiler.h +++ b/src/mesa/main/compiler.h @@ -265,25 +265,7 @@ static INLINE GLuint CPU_TO_LE32(GLuint x) #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(__aarch64__) || \ - defined(__sh__) || defined(__m32r__) || \ - (defined(__sun) && defined(_IEEE_754)) || \ - defined(__alpha__) -#define USE_IEEE #define IEEE_ONE 0x3f800000 -#endif - /** * START/END_FAST_MATH macros: diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index 023ef2e..59fd19c 100644 --- a/src/mesa/main/imports.h +++ b/src/mesa/main/imports.h @@ -164,7 +164,6 @@ INV_SQRTF(float x) ***/ static inline GLfloat LOG2(GLfloat x) { -#ifdef USE_IEEE #if 0 /* This is pretty fast, but not accurate enough (only 2 fractional bits). * Based on code from http://www.stereopsis.com/log2.html @@ -186,13 +185,6 @@ static inline GLfloat LOG2(GLfloat x) num.i += 127 << 23; num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3; return num.f + log_2; -#else - /* - * NOTE: log_base_2(x) = log(x) / log(2) - * NOTE: 1.442695 = 1/log(2). - */ - return (GLfloat) (log(x) * 1.442695F); -#endif } @@ -200,14 +192,7 @@ static inline GLfloat LOG2(GLfloat x) /*** *** IS_INF_OR_NAN: test if float is infinite or NaN ***/ -#ifdef USE_IEEE -static inline int IS_INF_OR_NAN( float x ) -{ - fi_type tmp; - tmp.f = x; - return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31); -} -#elif defined(isfinite) +#if defined(isfinite) #define IS_INF_OR_NAN(x) (!isfinite(x)) #elif defined(finite) #define IS_INF_OR_NAN(x) (!finite(x)) @@ -321,7 +306,7 @@ static inline int IFLOOR(float f) __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st"); __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st"); return (ai - bi) >> 1; -#elif defined(USE_IEEE) +#else int ai, bi; double af, bf; fi_type u; @@ -330,9 +315,6 @@ static inline int IFLOOR(float f) u.f = (float) af; ai = u.i; u.f = (float) bf; bi = u.i; return (ai - bi) >> 1; -#else - int i = IROUND(f); - return (i > f) ? i - 1 : i; #endif } @@ -356,7 +338,7 @@ static inline int ICEIL(float f) __asm__ ("fstps %0" : "=m" (ai) : "t" (af) : "st"); __asm__ ("fstps %0" : "=m" (bi) : "t" (bf) : "st"); return (ai - bi + 1) >> 1; -#elif defined(USE_IEEE) +#else int ai, bi; double af, bf; fi_type u; @@ -365,9 +347,6 @@ static inline int ICEIL(float f) u.f = (float) af; ai = u.i; u.f = (float) bf; bi = u.i; return (ai - bi + 1) >> 1; -#else - int i = IROUND(f); - return (i < f) ? i + 1 : i; #endif } diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 954df3c..0ba658a 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -140,7 +140,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; *** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255] *** CLAMPED_FLOAT_TO_UBYTE: map float known to be in [0,1] to ubyte in [0,255] ***/ -#if defined(USE_IEEE) && !defined(DEBUG) +#ifndef DEBUG /* This function/macro is sensitive to precision. Test very carefully * if you change it! */ |