diff options
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 3 | ||||
| -rw-r--r-- | src/mesa/main/macros.h | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 607fbecb02f..64d16cbe715 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -540,14 +540,13 @@ ubyte_to_float(ubyte ub) static INLINE ubyte float_to_ubyte(float f) { - const int ieee_0996 = 0x3f7f0000; /* 0.996 or so */ union fi tmp; tmp.f = f; if (tmp.i < 0) { return (ubyte) 0; } - else if (tmp.i >= ieee_0996) { + else if (tmp.i >= 0x3f800000 /* 1.0f */) { return (ubyte) 255; } else { diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h index ac0243871f0..ddfeee22622 100644 --- a/src/mesa/main/macros.h +++ b/src/mesa/main/macros.h @@ -141,7 +141,6 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; *** CLAMPED_FLOAT_TO_UBYTE: map float known to be in [0,1] to ubyte in [0,255] ***/ #if defined(USE_IEEE) && !defined(DEBUG) -#define IEEE_0996 0x3f7f0000 /* 0.996 or so */ /* This function/macro is sensitive to precision. Test very carefully * if you change it! */ @@ -151,7 +150,7 @@ extern GLfloat _mesa_ubyte_to_float_color_tab[256]; __tmp.f = (F); \ if (__tmp.i < 0) \ UB = (GLubyte) 0; \ - else if (__tmp.i >= IEEE_0996) \ + else if (__tmp.i >= IEEE_ONE) \ UB = (GLubyte) 255; \ else { \ __tmp.f = __tmp.f * (255.0F/256.0F) + 32768.0F; \ |