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

fe3ebb3c · Stefan Dösinger · Alexandre Julliard · a224fdb1 · fe3ebb3c
Commit fe3ebb3c authored Apr 19, 2007 by Stefan Dösinger Committed by Alexandre Julliard Apr 20, 2007
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indexbuffer.c dlls/wined3d/indexbuffer.c +1 -1

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--- 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();