We use IEEE mode for GLSL programs, but need to use ALT mode for ARB
programs so that 0^0 == 1. The choice is based entirely on the shader
source language.
Previously, our code to determine which mode we wanted was duplicated
in 8 different places (VS and FS for Gen4-5, Gen6, Gen7, and Gen8).
The
This patch is
Reviewed-by: Ian Romanick
On 12/02/2014 03:51 AM, Kenneth Graunke wrote:
> We use IEEE mode for GLSL programs, but need to use ALT mode for ARB
> programs so that 0^0 == 1. The choice is based entirely on the shader
> source language.
>
> Previously, our code to determine which m
