glsl: add SYSTEM_VALUE_VERTEX_CNT

[mesa.git] / src / glsl / shader_enums.h

diff --git a/src/glsl/shader_enums.h b/src/glsl/shader_enums.h
index 385ca972809a86de43f951be835bca50b4b228aa..39780076e74536ef2455b35dda639619069788c5 100644 (file)
--- a/src/glsl/shader_enums.h
+++ b/src/glsl/shader_enums.h
@@ -412,6 +412,12 @@ typedef enum
    SYSTEM_VALUE_WORK_GROUP_ID,
    /*@}*/
 
+   /**
+    * Driver internal vertex-count, used (for example) for drivers to
+    * calculate stride for stream-out outputs.  Not externally visible.
+    */
+   SYSTEM_VALUE_VERTEX_CNT,
+
    SYSTEM_VALUE_MAX             /**< Number of values */
 } gl_system_value;