Changeset 94149 in vbox

Timestamp:

Mar 9, 2022 2:26:39 PM (3 years ago)

Author:

vboxsync

Message:

Devices/Graphics: staging buffer does not support DISCARD: bugref:9830

File:

• trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-win-dx.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-win-dx.cpp

@@ -3317 +3317 @@
         if (RT_SUCCESS(rc))
         {
+            /* The staging buffer does not allow D3D11_MAP_WRITE_DISCARD, so replace it.  */
+            if (d3d11MapType == D3D11_MAP_WRITE_DISCARD)
+                d3d11MapType = D3D11_MAP_WRITE;
+
             if (enmMapType == VMSVGA3D_SURFACE_MAP_READ)
             {