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Kenneth Graunke authored
When using MRT on Gen4-5, we have to simulate GL's alpha test feature by emitting discards in the fragment shader. In this case, it makes sense to set prog_data->uses_kill, which means the fragment shader may kill pixels via the discard mechanism. This saves us from having to look an extra key value in a couple of places, including in the generator. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Matt Turner <mattst88@gmail.com>
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