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i965/program: Move nir_lower_system_values higher up

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We want this to get called before nir_lower_subgroups which is going in
brw_preprocess_nir.  Now that nir_lower_wpos_ytransform can handle
system values, this should be safe to do.

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
This commit is contained in:
Jason Ekstrand
2017-09-01 22:17:50 -07:00
parent 2cfa3ef438
commit ece206b848
1 changed files with 2 additions and 1 deletions
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src/mesa/drivers/dri/i965/brw_program.c
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@@ -89,6 +89,8 @@ brw_create_nir(struct brw_context *brw,
nir = brw_preprocess_nir(brw->screen->compiler, nir);
NIR_PASS_V(nir, nir_lower_system_values);
if (stage == MESA_SHADER_FRAGMENT) {
static const struct nir_lower_wpos_ytransform_options wpos_options = {
.state_tokens = {STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, 0, 0, 0},
@@ -104,7 +106,6 @@ brw_create_nir(struct brw_context *brw,
}
}
NIR_PASS_V(nir, nir_lower_system_values);
NIR_PASS_V(nir, brw_nir_lower_uniforms, is_scalar);
return nir;