Changeset 8366 in vbox

Timestamp:

Apr 24, 2008 3:02:20 PM (17 years ago)

Author:

vboxsync

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

30152

Message:

Additions/X11, Additions/common: report the maximum supported resolution in the X11 additions

Location:

trunk

Files:

trunk/include/VBox/VBoxGuest.h

r8312	r8366
1470	1470	VBGLR3DECL(bool) VbglR3HostLikesVideoMode(uint32_t cx, uint32_t cy,
1471	1471	uint32_t cBits);
	1472	VBGLR3DECL(int) VbglR3ReportMaxGuestResolution(uint32_t u32Width, uint32_t u32Height);
1472	1473	/** @} */
1473	1474

-              r8155
+              r8366
     return fRc;
+}
+/**
+ * Report the maximum resolution that we currently support to the host.
+ *
+ * @returns iprt status value
+ * @param   u32Width   the maximum horizontal resolution
+ * @param   u32Height  the maximum vertical resolution
+ */
+VBGLR3DECL(int) VbglR3ReportMaxGuestResolution(uint32_t u32Width, uint32_t u32Height)
+{
+    int rc = VERR_UNRESOLVED_ERROR;
+    VMMDevReqGuestResolution req;
+    vmmdevInitRequest(&req.header, VMMDevReq_SetMaxGuestResolution);
+    req.u32MaxWidth      = u32Width;
+    req.u32MaxHeight     = u32Height;
+    rc = vbglR3GRPerform(&req.header);
+    if (!RT_SUCCESS(rc) || !RT_SUCCESS(req.header.rc))
+        LogRelFunc(("error reporting maximum supported resolution to VMMDev. "
+                    "rc = %Vrc, VMMDev rc = %Vrc\n", rc, req.header.rc));
+    if (RT_SUCCESS(rc))
+        rc = req.header.rc;
+    return rc;
+}

-              r8155
+              r8366
     return VbglR3HostLikesVideoMode(cx, cy, cBits);
+}
+/**
+ * Report the maximum resolution supported by the guest
+ *
+ * @returns true for success, false otherwise
+ * @param   u32Width   maximum horizontal resolution supported
+ * @param   u32Height  maximum vertical resolution supported
+ */
+Bool
+vboxReportMaxGuestResolution(uint32_t u32Width, uint32_t u32Height)
+{
+    int irc = VbglR3ReportMaxGuestResolution(u32Width, u32Height);
+    return RT_SUCCESS(irc);
+}

r8155	r8366
176	176
177	177	extern Bool vboxHostLikesVideoMode(uint32_t cx, uint32_t cy, uint32_t cBits);
	178	extern Bool vboxReportMaxGuestResolution(uint32_t u32Width, uint32_t u32Height);
178	179
179	180	#endif /* _VBOXVIDEO_H_ */

-              r8155
+              r8366
     /* Set a sane minimum mode size and the maximum allowed by the available VRAM */
-    /** @todo Make sure that the host resolution is supported if it fits into VRAM. */
+    {
         unsigned maxSize, trySize = 512;
 …
                       "The VBox video extensions are now enabled.\n");
         vboxEnableGraphicsCap(pVBox);
+        /* Report the largest resolution that we support */
+        vboxReportMaxGuestResolution(pScrn->display->virtualX,
+                                     pScrn->display->virtualY);
+    }
     return (TRUE);

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