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-rw-r--r--src/compiler/shader_enums.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 07ae9ee2de7..0c43d5a92cb 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -379,6 +379,13 @@ typedef enum
SYSTEM_VALUE_INSTANCE_ID,
/**
+ * Vulkan InstanceIndex.
+ *
+ * InstanceIndex = gl_InstanceID + gl_BaseInstance
+ */
+ SYSTEM_VALUE_INSTANCE_INDEX,
+
+ /**
* DirectX-style vertex ID.
*
* Unlike \c SYSTEM_VALUE_VERTEX_ID, this system value does \b not include