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-rw-r--r--src/compiler/glsl/ir.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/compiler/glsl/ir.h b/src/compiler/glsl/ir.h
index 24f510ea990..df3ccfd883f 100644
--- a/src/compiler/glsl/ir.h
+++ b/src/compiler/glsl/ir.h
@@ -917,6 +917,9 @@ public:
/**
* Vertex stream output identifier.
+ *
+ * For packed outputs, bit 31 is set and bits [2*i+1,2*i] indicate the
+ * stream of the i-th component.
*/
unsigned stream;