1 files changed, 110 insertions, 0 deletions
diff --git a/src/via_xvmc.c b/src/via_xvmc.c
index ebd1103..f638cef 100644
--- a/src/via_xvmc.c
+++ b/src/via_xvmc.c
@@ -187,6 +187,112 @@ XvMCEProcBufferStatus(ClientPtr client)
  *
  */
 static int
+XvMCEProcBufferSliceInit(ClientPtr client)
+{
+    ExtensionEntry *XvMCE_Ext;
+    struct XvMCEPrivates *Private;
+    ScrnInfoPtr pScrn;
+    XvPortPtr Port;
+    int i;
+
+    REQUEST(xvmceBufferSliceInitReq);
+    REQUEST_SIZE_MATCH(xvmceBufferSliceInitReq);
+
+    XvMCE_Ext = CheckExtension(XVMCE_EXT_NAME);
+    if (!XvMCE_Ext || !XvMCE_Ext->extPrivate) {
+        xf86Msg(X_WARNING, "%s: Extension not initialised.\n", __func__);
+        return BadMatch;
+    }
+
+    Private = XvMCE_Ext->extPrivate;
+    pScrn = xf86Screens[Private->scrnIndex];
+
+    /* Does our client own this port? */
+    Port = LookupIDByType(stuff->Port, XvGetRTPort());
+    if (!Port) {
+        xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+                   "%s: Client doesn't own this Xv Port.\n", __func__);
+        return BadAccess;
+    }
+
+    for (i = 0; i < VIAMC_BUFFER_COUNT; i++)
+	if (ViaMCBufferIDs[i] == stuff->Buffer)
+	    break;
+
+    if (i == VIAMC_BUFFER_COUNT) {
+	xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "%s: Buffer 0x%08X does not "
+		   "exist.\n", __func__, (unsigned int) stuff->Buffer);
+	return BadAccess;
+    }
+
+    ViaDebug(pScrn->scrnIndex, "%s: Buffer 0x%08X\n", __func__, stuff->Buffer);
+    ViaDebug(pScrn->scrnIndex, "\t PictureType: 0x%02X, SliceFlags: 0x%02X\n",
+	     stuff->PictureType, stuff->SliceFlags);
+    ViaDebug(pScrn->scrnIndex, "\t Present %01X: backwards 0x%08X, forwards 0x%08X\n",
+	     stuff->ReferencesPresent, stuff->BackwardsReferenceBuffer,
+	     stuff->ForwardsReferenceBuffer);
+    ViaDebug(pScrn->scrnIndex, "\t Ranges BH %d, BV %d, FH %d, FV %d\n",
+	     stuff->MVRange_BackwardsHorizontal, stuff->MVRange_BackwardsVertical,
+	     stuff->MVRange_ForwardsHorizontal, stuff->MVRange_ForwardsVertical);
+
+    /* !!!! Setup hw here. !!!! */
+
+    return (client->noClientException);
+}
+/*
+ *
+ */
+static int
+XvMCEProcBufferSliceSend(ClientPtr client)
+{
+    ExtensionEntry *XvMCE_Ext;
+    struct XvMCEPrivates *Private;
+    ScrnInfoPtr pScrn;
+    XvPortPtr Port;
+    int i;
+
+    REQUEST(xvmceBufferSliceSendReq);
+    REQUEST_AT_LEAST_SIZE(xvmceBufferSliceSendReq);
+
+    XvMCE_Ext = CheckExtension(XVMCE_EXT_NAME);
+    if (!XvMCE_Ext || !XvMCE_Ext->extPrivate) {
+        xf86Msg(X_WARNING, "%s: Extension not initialised.\n", __func__);
+        return BadMatch;
+    }
+
+    Private = XvMCE_Ext->extPrivate;
+    pScrn = xf86Screens[Private->scrnIndex];
+
+    /* Does our client own this port? */
+    Port = LookupIDByType(stuff->Port, XvGetRTPort());
+    if (!Port) {
+        xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
+                   "%s: Client doesn't own this Xv Port.\n", __func__);
+        return BadAccess;
+    }
+
+    for (i = 0; i < VIAMC_BUFFER_COUNT; i++)
+	if (ViaMCBufferIDs[i] == stuff->Buffer)
+	    break;
+
+    if (i == VIAMC_BUFFER_COUNT) {
+	xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "%s: Buffer 0x%08X does not "
+		   "exist.\n", __func__, (unsigned int) stuff->Buffer);
+	return BadAccess;
+    }
+
+    ViaDebug(pScrn->scrnIndex, "%s: Buffer 0x%08X: Slice %dbytes\n",
+	     __func__, stuff->Buffer, stuff->SliceLength);
+
+    /* !!!! dump the slice to the hw here. !!!! */
+
+    return (client->noClientException);
+}
+
+/*
+ *
+ */
+static int
 XvMCEHandler(ClientPtr client)
 {
     REQUEST(xReq);
@@ -198,6 +304,10 @@ XvMCEHandler(ClientPtr client)
 	return XvMCEProcQMatrixSend(client);
     case xvmce_BufferStatus:
 	return XvMCEProcBufferStatus(client);
+    case xvmce_BufferSliceInit:
+	return XvMCEProcBufferSliceInit(client);
+    case xvmce_BufferSliceSend:
+	return XvMCEProcBufferSliceSend(client);
     default:
         break;
     }