From: Samuel Pitoiset <samuel.pitoi...@gmail.com>
When a xfb buffer is explicitely declared on a varying
variable, we shouldn't remove it at link time.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/compiler/nir/nir_linking_helpers.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/compiler/nir/nir_linking_helpers.c
b/src/compiler/nir/nir_linking_helpers.c
index 85712a7cb1c..a710ba3da25 100644
--- a/src/compiler/nir/nir_linking_helpers.c
+++ b/src/compiler/nir/nir_linking_helpers.c
@@ -112,6 +112,9 @@ remove_unused_io_vars(nir_shader *shader, struct exec_list
*var_list,
if (var->data.always_active_io)
continue;
+ if (var->data.explicit_xfb_buffer)
+ continue;
+
uint64_t other_stage = used[var->data.location_frac];
if (!(other_stage & get_variable_io_mask(var, shader->info.stage))) {
--
2.19.1
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