Stefan Dösinger : wined3d: Do not upload to the vbo if there's nothing to do.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fe3ebb3c42a122b37beaee8e433890fc2c14553d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=fe3ebb3c42a122b37beaee8e43...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Thu Apr 19 18:11:36 2007 +0200

wined3d: Do not upload to the vbo if there's nothing to do.

---

 dlls/wined3d/indexbuffer.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/dlls/wined3d/indexbuffer.c b/dlls/wined3d/indexbuffer.c
index f64d6aa..18cfce7 100644
--- a/dlls/wined3d/indexbuffer.c
+++ b/dlls/wined3d/indexbuffer.c
@@ -155,7 +155,7 @@ static HRESULT WINAPI IWineD3DIndexBufferImpl_Unlock(IWineD3DIndexBuffer *iface)
     TRACE("(%p)\n", This);
 
     /* For now load in unlock */
-    if(locks == 0 && This->vbo) {
+    if(locks == 0 && This->vbo && (This->dirtyend - This->dirtystart) > 0) {
         IWineD3DDeviceImpl *device = This->resource.wineD3DDevice;
         ENTER_GL();