Changeset 98043 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Video

Timestamp:

Jan 10, 2023 7:18:19 PM (2 years ago)

Author:

vboxsync

Message:

3D/WDDM: Improved GMR logic, bugref:10339

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/gallium/Svga.cpp (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/gallium/Svga.cpp

@@ -36 +36 @@
 #include <iprt/mem.h>
 #include <iprt/memobj.h>
+#include <iprt/string.h>
 
 
@@ -1898 +1899 @@
     if (RT_SUCCESS(rc))
     {
+        if (!RTR0MemObjWasZeroInitialized(pRegion->MemObj))
+            RT_BZERO(RTR0MemObjAddress(pRegion->MemObj), (size_t)pRegion->u32NumPages << PAGE_SHIFT);
+
         rc = RTR0MemObjMapUser(&pRegion->MapObjR3, pRegion->MemObj, (RTR3PTR)-1, 0,
                                RTMEM_PROT_WRITE | RTMEM_PROT_READ, NIL_RTR0PROCESS);