Changeset 27339 in vbox for trunk/src/VBox/Devices/Graphics/HGSMI

Timestamp:

Mar 12, 2010 5:44:11 PM (15 years ago)

Author:

vboxsync

Message:

wddm: basics for DMA commands support in graphics device impl

Location:

trunk/src/VBox/Devices/Graphics/HGSMI

Files:

• HGSMIHostHlp.h (modified) (2 diffs)
• SHGSMIHost.cpp (modified) (1 diff)
• SHGSMIHost.h (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/HGSMI/HGSMIHostHlp.h

@@ -40 +40 @@
 
 void hgsmiListAppend (HGSMILIST *pList, HGSMILISTENTRY *pEntry);
+DECLINLINE(void) hgsmiListPrepend (HGSMILIST *pList, HGSMILISTENTRY *pEntry)
+{
+    HGSMILISTENTRY * pHead = pList->pHead;
+    pList->pHead = pEntry;
+    pEntry->pNext = pHead;
+    if (!pHead)
+        pList->pTail = pEntry;
+}
+
 void hgsmiListRemove (HGSMILIST *pList, HGSMILISTENTRY *pEntry, HGSMILISTENTRY *pPrev);
 
@@ -63 +72 @@
 HGSMILISTENTRY * hgsmiListRemoveAll (HGSMILIST *pList, HGSMILISTENTRY ** ppTail /* optional */);
 
+DECLINLINE(void) hgsmiListAppendAll (HGSMILIST *pList, HGSMILISTENTRY *pHead, HGSMILISTENTRY *pTail)
+{
+    if(hgsmiListIsEmpty (pList))
+    {
+        pList->pHead = pHead;
+        pList->pTail = pTail;
+    }
+    else
+    {
+        pList->pTail->pNext = pHead;
+        pList->pTail = pTail;
+    }
+}
+
+DECLINLINE(void) hgsmiListPrependAll (HGSMILIST *pList, HGSMILISTENTRY *pHead, HGSMILISTENTRY *pTail)
+{
+    HGSMILISTENTRY *pOldHead = pList->pHead;
+    if(!pOldHead)
+    {
+        pList->pHead = pHead;
+        pList->pTail = pTail;
+    }
+    else
+    {
+        pList->pHead = pHead;
+        pTail->pNext = pOldHead;
+    }
+}
+
+DECLINLINE(void) hgsmiListCat (HGSMILIST *pList, HGSMILIST *pList2)
+{
+    hgsmiListAppendAll (pList, pList2->pHead, pList2->pTail);
+    hgsmiListInit (pList2);
+}
+
+DECLINLINE(void) hgsmiListPrepCat (HGSMILIST *pList, HGSMILIST *pList2)
+{
+    hgsmiListPrependAll (pList, pList2->pHead, pList2->pTail);
+    hgsmiListInit (pList2);
+}
+
 
 #endif /* !__HGSMIHostHlp_h__*/

trunk/src/VBox/Devices/Graphics/HGSMI/SHGSMIHost.cpp

@@ -40 +40 @@
 }
 
-int VBoxSHGSMICommandCompleteAsynch (PHGSMIINSTANCE pIns, void *pvData)
+int VBoxSHGSMICommandComplete (PHGSMIINSTANCE pIns, void *pvData)
 {
     PVBOXSHGSMIHEADER pHdr = VBoxSHGSMIBufferHeader (pvData);
-    Assert(!!(pHdr->fFlags & VBOXSHGSMI_FLAG_HG_ASYNCH));
-    return vboxSHGSMICommandCompleteAsynch (pIns, pHdr);
-}
-
-int VBoxSHGSMICommandCompleteSynch (PHGSMIINSTANCE pIns, void *pvData)
-{
-    PVBOXSHGSMIHEADER pHdr = VBoxSHGSMIBufferHeader (pvData);
-    Assert(!(pHdr->fFlags & VBOXSHGSMI_FLAG_HG_ASYNCH));
-    if (vboxSHGSMICommandCanCompleteSynch(pHdr))
+    if (!(pHdr->fFlags & VBOXSHGSMI_FLAG_HG_ASYNCH) /* <- check if synchronous completion */
+            && vboxSHGSMICommandCanCompleteSynch(pHdr)) /* <- check if can complete synchronously */
         return VINF_SUCCESS;
     pHdr->fFlags |= VBOXSHGSMI_FLAG_HG_ASYNCH;

trunk/src/VBox/Devices/Graphics/HGSMI/SHGSMIHost.h

@@ -19 +19 @@
 #include "HGSMIHost.h"
 
-int VBoxSHGSMICommandCompleteAsynch (PHGSMIINSTANCE pIns, void *pvData);
+int VBoxSHGSMICommandComplete (PHGSMIINSTANCE pIns, void *pvData);
 
 void VBoxSHGSMICommandMarkAsynchCompletion (void *pvData);
 
-int VBoxSHGSMICommandCompleteSynch (PHGSMIINSTANCE pIns, void *pvData);
-
 #endif /* #ifndef ___SHGSMIHost_h___ */