On 09/15/2013 02:58 AM, Chris Forbes wrote:
> Lowers ir_tg4 (from textureGather and textureGatherOffset builtins) to
> SHADER_OPCODE_TG4.
>
> The usual post-sampling swizzle workaround can't work for ir_tg4,
> so avoid doing that:
>
> * For R/G/B/A swizzles use the hardware channel select (lives
Lowers ir_tg4 (from textureGather and textureGatherOffset builtins) to
SHADER_OPCODE_TG4.
The usual post-sampling swizzle workaround can't work for ir_tg4,
so avoid doing that:
* For R/G/B/A swizzles use the hardware channel select (lives in the
same dword in the header as the texel offset), a
