diff options
Diffstat (limited to 'src/gallium/auxiliary/util/u_pack_color.h')
-rw-r--r-- | src/gallium/auxiliary/util/u_pack_color.h | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/util/u_pack_color.h b/src/gallium/auxiliary/util/u_pack_color.h index 06abb34d5a..39e4ae9d07 100644 --- a/src/gallium/auxiliary/util/u_pack_color.h +++ b/src/gallium/auxiliary/util/u_pack_color.h @@ -37,6 +37,7 @@ #include "pipe/p_compiler.h" #include "pipe/p_format.h" +#include "util/u_math.h" /** @@ -150,10 +151,10 @@ util_pack_color(const float rgba[4], enum pipe_format format, void *dest) if (pf_size_x(format) <= 8) { /* format uses 8-bit components or less */ - UNCLAMPED_FLOAT_TO_UBYTE(r, rgba[0]); - UNCLAMPED_FLOAT_TO_UBYTE(g, rgba[1]); - UNCLAMPED_FLOAT_TO_UBYTE(b, rgba[2]); - UNCLAMPED_FLOAT_TO_UBYTE(a, rgba[3]); + r = float_to_ubyte(rgba[0]); + g = float_to_ubyte(rgba[1]); + b = float_to_ubyte(rgba[2]); + a = float_to_ubyte(rgba[3]); } switch (format) { @@ -286,4 +287,31 @@ util_pack_z(enum pipe_format format, double z) } +/** + * Pack 4 ubytes into a 4-byte word + */ +static INLINE unsigned +pack_ub4(ubyte b0, ubyte b1, ubyte b2, ubyte b3) +{ + return ((((unsigned int)b0) << 0) | + (((unsigned int)b1) << 8) | + (((unsigned int)b2) << 16) | + (((unsigned int)b3) << 24)); +} + + +/** + * Pack/convert 4 floats into one 4-byte word. + */ +static INLINE unsigned +pack_ui32_float4(float a, float b, float c, float d) +{ + return pack_ub4( float_to_ubyte(a), + float_to_ubyte(b), + float_to_ubyte(c), + float_to_ubyte(d) ); +} + + + #endif /* U_PACK_COLOR_H */ |