[Mesa-dev] [PATCH 02/23] pack: adjust clamping for int=>ubyte conversion

[Eric Anholt]

Jordan Justen <jordan.l.justen at intel.com> writes:

> gles3conform expects than when converting from a signed
> int to an unsigned byte, the output will be clamped at a
> max of 0x7f. This impacts conversion from
> int16_t => uint8_t and int32_t => uint8_t.

Wait, why would a uint8_t be clamped to 0x7f instead of 0xff?
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