Module: Mesa
Branch: master
Commit: 4d57e543b8e3bc0c5e0e6ced1f0d171a2cab3b8c
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=4d57e543b8e3bc0c5e0e6ced1f0d171a2cab3b8c
Author: Jason Ekstrand <jason.ekstr...@intel.com>
Date: Wed Jun 27 18:25:17 2018 -0700
anv/pipeline: Fix up deref modes if we delete a FS output
With the new deref instructions, we have to keep the modes consistent
between the derefs and the variables they reference. Since we remove
outputs by changing them to local variables, we need to run the fixup
pass to fix the modes.
Reviewed-by: Timothy Arceri <tarc...@itsqueeze.com>
---
src/intel/vulkan/anv_pipeline.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c
index fa3d3e7a30..e2116e2480 100644
--- a/src/intel/vulkan/anv_pipeline.c
+++ b/src/intel/vulkan/anv_pipeline.c
@@ -930,6 +930,7 @@ anv_pipeline_compile_fs(struct anv_pipeline *pipeline,
num_rts++;
}
+ bool deleted_output = false;
nir_foreach_variable_safe(var, &nir->outputs) {
if (var->data.location < FRAG_RESULT_DATA0)
continue;
@@ -937,6 +938,7 @@ anv_pipeline_compile_fs(struct anv_pipeline *pipeline,
const unsigned rt = var->data.location - FRAG_RESULT_DATA0;
if (rt >= key.nr_color_regions) {
/* Out-of-bounds, throw it away */
+ deleted_output = true;
var->data.mode = nir_var_local;
exec_node_remove(&var->node);
exec_list_push_tail(&impl->locals, &var->node);
@@ -948,6 +950,9 @@ anv_pipeline_compile_fs(struct anv_pipeline *pipeline,
var->data.location = rt_to_bindings[rt] + FRAG_RESULT_DATA0;
}
+ if (deleted_output)
+ nir_fixup_deref_modes(nir);
+
if (num_rts == 0) {
/* If we have no render targets, we need a null render target */
rt_bindings[0] = (struct anv_pipeline_binding) {
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