[Bf-blender-cvs] [7dc9e427212] blender2.8: Missing from last commit

[Campbell Barton]

Commit: 7dc9e427212095cedf00b9ea1da044a2c5b77d01
Author: Campbell Barton
Date:   Thu Jun 29 20:33:24 2017 +1000
Branches: blender2.8
https://developer.blender.org/rB7dc9e427212095cedf00b9ea1da044a2c5b77d01

Missing from last commit

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M	intern/gawain/gawain/vertex_buffer.h

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diff --git a/intern/gawain/gawain/vertex_buffer.h b/intern/gawain/gawain/vertex_buffer.h
index 57179062df4..a66154d06e3 100644
--- a/intern/gawain/gawain/vertex_buffer.h
+++ b/intern/gawain/gawain/vertex_buffer.h
@@ -71,8 +71,12 @@ GWN_INLINE void *GWN_vertbuf_raw_step(Gwn_VertBufRaw *a)
 	return (void *)data;
 	}
 
-void GWN_vertbuf_attr_get_raw_data(Gwn_VertBuf*, unsigned a_idx, Gwn_VertBufRaw *access);
+GWN_INLINE unsigned GWN_vertbuf_raw_used(Gwn_VertBufRaw *a)
+	{
+	return ((a->data - a->data_init) / a->stride);
+	}
 
+void GWN_vertbuf_attr_get_raw_data(Gwn_VertBuf*, unsigned a_idx, Gwn_VertBufRaw *access);
 
 // TODO: decide whether to keep the functions below
 // doesn't immediate mode satisfy these needs?