diff options
Diffstat (limited to 'source/blender/blenlib/intern/math_base_inline.c')
-rw-r--r-- | source/blender/blenlib/intern/math_base_inline.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/math_base_inline.c b/source/blender/blenlib/intern/math_base_inline.c index 4bedcbdf5bf..82ed6cd1cd1 100644 --- a/source/blender/blenlib/intern/math_base_inline.c +++ b/source/blender/blenlib/intern/math_base_inline.c @@ -513,6 +513,38 @@ MALWAYS_INLINE __m128 _bli_math_blend_sse(const __m128 mask, return _mm_or_ps(_mm_and_ps(mask, a), _mm_andnot_ps(mask, b)); } +/* Low level conversion functions */ +/* TODO: name sensibly. */ +MINLINE unsigned char FTOCHAR(float val) +{ + return (unsigned char)(((val <= 0.0f) ? 0 : ((val > (1.0f - 0.5f / 255.0f)) ? 255 : ((255.0f * val) + 0.5f)))); +} +#define FTOCHAR(val) ((CHECK_TYPE_INLINE(val, float)), FTOCHAR(val)) + +MINLINE unsigned short FTOUSHORT(float val) +{ + return (unsigned short)((val >= 1.0f - 0.5f / 65535) ? 65535 : (val <= 0.0f) ? 0 : (val * 65535.0f + 0.5f)); +} +#define FTOUSHORT(val) ((CHECK_TYPE_INLINE(val, float)), FTOUSHORT(val)) + +MINLINE unsigned char USHORTTOUCHAR(unsigned short val) +{ + return (unsigned char)(((val) >= 65535 - 128) ? 255 : ((val) + 128) >> 8); +} +#define USHORTTOUCHAR(val) ((CHECK_TYPE_INLINE(val, unsigned short)), USHORTTOUCHAR(val)) + +#define F3TOCHAR3(v2, v1) { \ + (v1)[0] = FTOCHAR((v2[0])); \ + (v1)[1] = FTOCHAR((v2[1])); \ + (v1)[2] = FTOCHAR((v2[2])); \ +} ((void)0) +#define F4TOCHAR4(v2, v1) { \ + (v1)[0] = FTOCHAR((v2[0])); \ + (v1)[1] = FTOCHAR((v2[1])); \ + (v1)[2] = FTOCHAR((v2[2])); \ + (v1)[3] = FTOCHAR((v2[3])); \ +} ((void)0) + #endif /* __SSE2__ */ #endif /* __MATH_BASE_INLINE_C__ */ |