Changeset 106155 in vbox for trunk/src/VBox/Devices

Timestamp:

Sep 25, 2024 6:47:15 PM (5 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

164934

Message:

Devices/Graphics: do not use initial data for textures with BIND_DECODER flag

File:

• trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-dx11.cpp (modified) (2 diffs)

trunk/src/VBox/Devices/Graphics/DevVGA-SVGA3d-dx-dx11.cpp

@@ -2619 +2619 @@
         dxgiFormatDynamic = dxgiFormatTypeless;
 
+    UINT const BindFlags = dxBindFlags(pSurface->f.surfaceFlags);
+
     /*
      * Create D3D11 texture object.
+     *
+     * No initial data for multisample resources.
+     * On NVidia the host driver does not allow initial data for large textures with D3D11_BIND_DECODER flag.
      */
     D3D11_SUBRESOURCE_DATA *paInitialData = NULL;
-    if (pSurface->paMipmapLevels[0].pSurfaceData && pSurface->surfaceDesc.multisampleCount <= 1)
+    if (   pSurface->paMipmapLevels[0].pSurfaceData
+        && pSurface->surfaceDesc.multisampleCount <= 1
+        && (BindFlags & D3D11_BIND_DECODER) == 0
+       )
     {
         /* Can happen for a non GBO surface or if GBO texture was updated prior to creation of the hardware resource. */
@@ -11386 +11394 @@
     ProfileCount = RT_MIN(ProfileCount, cbData / sizeof(paDecodeProfileInfo[0]));
 
-#ifndef DEBUG_sunlover
-    /** @todo Allocation of video decoder output texture often fails on NVidia. Disable video decoding for now. */
-    if (pThisCC->svga.p3dState->pBackend->VendorId == 0x10de)
-        ProfileCount = 0;
-#else
     RT_NOREF(pThisCC);
-#endif
 
     for (UINT i = 0; i < ProfileCount; ++i)