[Mesa-dev] [PATCH] i965: Use a UW source type for CS_OPCODE_CS_TERMINATE.

Tue Jan 24 23:48:32 UTC 2017

On Tue, Jan 24, 2017 at 2:18 PM, Kenneth Graunke <kenneth at whitecape.org> wrote:
> SIMD16 compute shaders use a send(16) with mlen 1 for the EOT message,
> using a source of g127 for the single register.  With a UD type, this
> supposedly could read g128, which doesn't exist, causing the simulator
> to get cranky.  Use a UW type to avoid this.

Bizarre. Is the hardware this stupid, or just the simulator?