Changeset 63822 in vbox for trunk/src/VBox/Main/src-client

Timestamp:

Sep 14, 2016 6:18:20 AM (8 years ago)

Author:

vboxsync

Message:

include,Main,DevVGA: bugref:8387: support for guest request to blank the virtual monitor (VBVA_SCREEN_F_BLANK2)

File:

• trunk/src/VBox/Main/src-client/DisplayImpl.cpp (modified) (1 diff)

trunk/src/VBox/Main/src-client/DisplayImpl.cpp

@@ -4072 +4072 @@
     }
 
+    VBVAINFOSCREEN screenInfo;
+    RT_ZERO(screenInfo);
+
+    if (pScreen->u16Flags & VBVA_SCREEN_F_BLANK2)
+    {
+        /* Init a local VBVAINFOSCREEN structure, which will be used instead of
+         * the original pScreen. Set VBVA_SCREEN_F_BLANK, which will force
+         * the code below to choose the "blanking" branches.
+         */
+        screenInfo.u32ViewIndex    = pScreen->u32ViewIndex;
+        screenInfo.i32OriginX      = pFBInfo->xOrigin;
+        screenInfo.i32OriginY      = pFBInfo->yOrigin;
+        screenInfo.u32StartOffset  = 0; /* Irrelevant */
+        screenInfo.u32LineSize     = pFBInfo->u32LineSize;
+        screenInfo.u32Width        = pFBInfo->w;
+        screenInfo.u32Height       = pFBInfo->h;
+        screenInfo.u16BitsPerPixel = pFBInfo->u16BitsPerPixel;
+        screenInfo.u16Flags        = pScreen->u16Flags | VBVA_SCREEN_F_BLANK;
+
+        pScreen = &screenInfo;
+    }
+
     /* If display was disabled or there is no framebuffer, a resize will be required,
      * because the framebuffer was/will be changed.