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intel/fs: Remove min_dispatch_width from fs_visitor

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It's 8 for everything except compute shaders.  For compute shaders,
there's no need to duplicate the computation and it's just a possible
source of error.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
This commit is contained in:
Jason Ekstrand
2017-08-21 19:16:45 -07:00
parent b299ded02e
commit 1077981eb5
3 changed files with 25 additions and 33 deletions
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11
src/intel/compiler/brw_fs_visitor.cpp
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@@ -871,17 +871,6 @@ fs_visitor::init()
unreachable("unhandled shader stage");
}
if (stage == MESA_SHADER_COMPUTE) {
const struct brw_cs_prog_data *cs_prog_data = brw_cs_prog_data(prog_data);
unsigned size = cs_prog_data->local_size[0] *
cs_prog_data->local_size[1] *
cs_prog_data->local_size[2];
size = DIV_ROUND_UP(size, devinfo->max_cs_threads);
min_dispatch_width = size > 16 ? 32 : (size > 8 ? 16 : 8);
} else {
min_dispatch_width = 8;
}
this->max_dispatch_width = 32;
this->prog_data = this->stage_prog_data;