From: Ben Skeggs <skeggsb@gmail.com>
Date: Mon, 10 Dec 2007 10:07:53 +0000 (+1100)
Subject: Correct user VBO size.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f7195b32323d50e9541a5c5cb3143e83d05bd8d8;p=mesa.git

Correct user VBO size.
---

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index c6fea1f7bc8..24bb4823bc9 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -266,9 +266,14 @@ st_draw_vbo(GLcontext *ctx,
       }
       else {
          /* attribute data is in user-space memory, not a VBO */
-         uint bytes = (arrays[mesaAttr]->Size
-                       * _mesa_sizeof_type(arrays[mesaAttr]->Type)
-                       * (max_index + 1));
+         uint bytes;
+	
+         if (!arrays[mesaAttr]->StrideB) {
+            bytes = arrays[mesaAttr]->Size
+                    * _mesa_sizeof_type(arrays[mesaAttr]->Type);
+         } else {
+            bytes = arrays[mesaAttr]->StrideB * (max_index + 1);
+         }
 
          /* wrap user data */
          vbuffer[attr].buffer