diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/format_utils.h | 5 | ||||
| -rw-r--r-- | src/mesa/main/imports.h | 28 | ||||
| -rw-r--r-- | src/mesa/main/macros.h | 11 | ||||
| -rw-r--r-- | src/mesa/main/pack.c | 4 | ||||
| -rw-r--r-- | src/mesa/main/pixeltransfer.c | 11 | ||||
| -rw-r--r-- | src/util/rounding.h | 25 |
6 files changed, 42 insertions, 42 deletions
diff --git a/src/mesa/main/format_utils.h b/src/mesa/main/format_utils.h index 7f500ec78da..00ec7774dd2 100644 --- a/src/mesa/main/format_utils.h +++ b/src/mesa/main/format_utils.h @@ -33,6 +33,7 @@ #include "imports.h" #include "macros.h" +#include "util/rounding.h" extern const mesa_array_format RGBA32_FLOAT; extern const mesa_array_format RGBA8_UBYTE; @@ -84,7 +85,7 @@ _mesa_float_to_unorm(float x, unsigned dst_bits) else if (x > 1.0f) return MAX_UINT(dst_bits); else - return F_TO_I(x * MAX_UINT(dst_bits)); + return _mesa_lroundevenf(x * MAX_UINT(dst_bits)); } static inline unsigned @@ -128,7 +129,7 @@ _mesa_float_to_snorm(float x, unsigned dst_bits) else if (x > 1.0f) return MAX_INT(dst_bits); else - return F_TO_I(x * MAX_INT(dst_bits)); + return _mesa_lroundevenf(x * MAX_INT(dst_bits)); } static inline int diff --git a/src/mesa/main/imports.h b/src/mesa/main/imports.h index 9ffe3decd0f..d61279ac4e5 100644 --- a/src/mesa/main/imports.h +++ b/src/mesa/main/imports.h @@ -170,34 +170,6 @@ 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) { diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index 07919a6e1e4..54df50c9cfe 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -33,6 +33,7 @@ #include "util/macros.h" #include "util/u_math.h" +#include "util/rounding.h" #include "imports.h" @@ -131,12 +132,12 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; #define INT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 15))) #define UINT_TO_USHORT(i) ((i) < 0 ? 0 : ((GLushort) ((i) >> 16))) #define UNCLAMPED_FLOAT_TO_USHORT(us, f) \ - us = ( (GLushort) F_TO_I( CLAMP((f), 0.0F, 1.0F) * 65535.0F) ) + us = ( (GLushort) _mesa_lroundevenf( CLAMP((f), 0.0F, 1.0F) * 65535.0F) ) #define CLAMPED_FLOAT_TO_USHORT(us, f) \ - us = ( (GLushort) F_TO_I( (f) * 65535.0F) ) + us = ( (GLushort) _mesa_lroundevenf( (f) * 65535.0F) ) #define UNCLAMPED_FLOAT_TO_SHORT(s, f) \ - s = ( (GLshort) F_TO_I( CLAMP((f), -1.0F, 1.0F) * 32767.0F) ) + s = ( (GLshort) _mesa_lroundevenf( CLAMP((f), -1.0F, 1.0F) * 32767.0F) ) /*** *** UNCLAMPED_FLOAT_TO_UBYTE: clamp float to [0,1] and map to ubyte in [0,255] @@ -167,9 +168,9 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; } while (0) #else #define UNCLAMPED_FLOAT_TO_UBYTE(ub, f) \ - ub = ((GLubyte) F_TO_I(CLAMP((f), 0.0F, 1.0F) * 255.0F)) + ub = ((GLubyte) _mesa_lroundevenf(CLAMP((f), 0.0F, 1.0F) * 255.0F)) #define CLAMPED_FLOAT_TO_UBYTE(ub, f) \ - ub = ((GLubyte) F_TO_I((f) * 255.0F)) + ub = ((GLubyte) _mesa_lroundevenf((f) * 255.0F)) #endif static fi_type UINT_AS_UNION(GLuint u) diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c index fb642b85be8..7147fd6e4fe 100644 --- a/src/mesa/main/pack.c +++ b/src/mesa/main/pack.c @@ -470,7 +470,7 @@ extract_uint_indexes(GLuint n, GLuint indexes[], static inline GLuint clamp_float_to_uint(GLfloat f) { - return f < 0.0F ? 0 : F_TO_I(f); + return f < 0.0F ? 0 : _mesa_lroundevenf(f); } @@ -478,7 +478,7 @@ static inline GLuint clamp_half_to_uint(GLhalfARB h) { GLfloat f = _mesa_half_to_float(h); - return f < 0.0F ? 0 : F_TO_I(f); + return f < 0.0F ? 0 : _mesa_lroundevenf(f); } diff --git a/src/mesa/main/pixeltransfer.c b/src/mesa/main/pixeltransfer.c index 51f2ebf768f..22eac00a7df 100644 --- a/src/mesa/main/pixeltransfer.c +++ b/src/mesa/main/pixeltransfer.c @@ -35,6 +35,7 @@ #include "pixeltransfer.h" #include "imports.h" #include "mtypes.h" +#include "util/rounding.h" /* @@ -94,10 +95,10 @@ _mesa_map_rgba( const struct gl_context *ctx, GLuint n, GLfloat rgba[][4] ) GLfloat g = CLAMP(rgba[i][GCOMP], 0.0F, 1.0F); GLfloat b = CLAMP(rgba[i][BCOMP], 0.0F, 1.0F); GLfloat a = CLAMP(rgba[i][ACOMP], 0.0F, 1.0F); - rgba[i][RCOMP] = rMap[F_TO_I(r * rscale)]; - rgba[i][GCOMP] = gMap[F_TO_I(g * gscale)]; - rgba[i][BCOMP] = bMap[F_TO_I(b * bscale)]; - rgba[i][ACOMP] = aMap[F_TO_I(a * ascale)]; + rgba[i][RCOMP] = rMap[(int)_mesa_lroundevenf(r * rscale)]; + rgba[i][GCOMP] = gMap[(int)_mesa_lroundevenf(g * gscale)]; + rgba[i][BCOMP] = bMap[(int)_mesa_lroundevenf(b * bscale)]; + rgba[i][ACOMP] = aMap[(int)_mesa_lroundevenf(a * ascale)]; } } @@ -236,7 +237,7 @@ _mesa_apply_ci_transfer_ops(const struct gl_context *ctx, GLuint i; for (i = 0; i < n; i++) { const GLuint j = indexes[i] & mask; - indexes[i] = F_TO_I(ctx->PixelMaps.ItoI.Map[j]); + indexes[i] = _mesa_lroundevenf(ctx->PixelMaps.ItoI.Map[j]); } } } diff --git a/src/util/rounding.h b/src/util/rounding.h index 0cbe9269f7b..088cf86dd08 100644 --- a/src/util/rounding.h +++ b/src/util/rounding.h @@ -21,6 +21,9 @@ * IN THE SOFTWARE. */ +#ifndef _ROUNDING_H +#define _ROUNDING_H + #include <math.h> #ifdef __SSE4_1__ @@ -76,3 +79,25 @@ _mesa_roundeven(double x) return rint(x); #endif } + +/** + * \brief Rounds \c x to the nearest integer, with ties to the even integer, + * and returns the value as a long int. + */ +static inline long +_mesa_lroundevenf(float x) +{ + return lrintf(x); +} + +/** + * \brief Rounds \c x to the nearest integer, with ties to the even integer, + * and returns the value as a long int. + */ +static inline long +_mesa_lroundeven(double x) +{ + return lrint(x); +} + +#endif |