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-rw-r--r--src/compiler/glsl/link_varyings.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/glsl/link_varyings.cpp b/src/compiler/glsl/link_varyings.cpp
index 528506fd0eb..656bf79ca9d 100644
--- a/src/compiler/glsl/link_varyings.cpp
+++ b/src/compiler/glsl/link_varyings.cpp
@@ -2268,6 +2268,9 @@ assign_varying_locations(struct gl_context *ctx,
return false;
}
+ /* Mark xfb varyings as always active */
+ matched_candidate->toplevel_var->data.always_active_io = 1;
+
if (matched_candidate->toplevel_var->data.is_unmatched_generic_inout) {
matched_candidate->toplevel_var->data.is_xfb_only = 1;
matches.record(matched_candidate->toplevel_var, NULL);