From 670ac5d097c64d4f09ee3861d1ff21d5d6af3fdf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= <krh@redhat.com>
Date: Mon, 1 Dec 2008 20:52:41 -0500
Subject: [PATCH] Drop unused DRI2 vblank infrastructure.

For this first iteration of DRI2 we don't have any vsync functionality
in place yet, so back out the support in DRI2 and the protocol for now.
---
 hw/xfree86/dri2/dri2.c    | 24 ------------------------
 hw/xfree86/dri2/dri2ext.c |  5 -----
 2 files changed, 29 deletions(-)

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 3c852a462..0f2e24b3f 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -66,9 +66,7 @@ typedef struct _DRI2Screen {
     DRI2CreateBuffersProcPtr	 CreateBuffers;
     DRI2DestroyBuffersProcPtr	 DestroyBuffers;
     DRI2CopyRegionProcPtr	 CopyRegion;
-    DRI2WaitProcPtr		 Wait;
 
-    ClipNotifyProcPtr            ClipNotify;
     HandleExposuresProcPtr       HandleExposures;
 } DRI2ScreenRec, *DRI2ScreenPtr;
 
@@ -251,23 +249,6 @@ DRI2Authenticate(ScreenPtr pScreen, drm_magic_t magic)
     return TRUE;
 }
 
-static void
-DRI2ClipNotify(WindowPtr pWin, int dx, int dy)
-{
-    ScreenPtr           pScreen = pWin->drawable.pScreen;
-    DRI2ScreenPtr       ds = DRI2GetScreen(pScreen);
-    DRI2DrawablePtr     dd = DRI2GetDrawable(&pWin->drawable);
-
-    if (dd && ds->lastSequence < dd->pendingSequence && ds->Wait)
-	ds->Wait(pWin, dd->pendingSequence);
-
-    if (ds->ClipNotify) {
-	pScreen->ClipNotify = ds->ClipNotify;
-	pScreen->ClipNotify(pWin, dx, dy);
-	pScreen->ClipNotify = DRI2ClipNotify;
-    }
-}
-
 Bool
 DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
 {
@@ -283,10 +264,6 @@ DRI2ScreenInit(ScreenPtr pScreen, DRI2InfoPtr info)
     ds->CreateBuffers  = info->CreateBuffers;
     ds->DestroyBuffers = info->DestroyBuffers;
     ds->CopyRegion     = info->CopyRegion;
-    ds->Wait           = info->Wait;
-
-    ds->ClipNotify              = pScreen->ClipNotify;
-    pScreen->ClipNotify         = DRI2ClipNotify;
 
     dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, ds);
 
@@ -300,7 +277,6 @@ DRI2CloseScreen(ScreenPtr pScreen)
 {
     DRI2ScreenPtr ds = DRI2GetScreen(pScreen);
 
-    pScreen->ClipNotify = ds->ClipNotify;
     xfree(ds);
     dixSetPrivate(&pScreen->devPrivates, dri2ScreenPrivateKey, NULL);
 }
diff --git a/hw/xfree86/dri2/dri2ext.c b/hw/xfree86/dri2/dri2ext.c
index 595df7375..0a1dce49d 100644
--- a/hw/xfree86/dri2/dri2ext.c
+++ b/hw/xfree86/dri2/dri2ext.c
@@ -243,10 +243,6 @@ ProcDRI2CopyRegion(ClientPtr client)
 
     REQUEST_SIZE_MATCH(xDRI2CopyRegionReq);
 
-    /* No optional values supported for DRI2 2.0 protocol. */
-    if (stuff->bitmask != 0)
-	    return BadValue;
-
     if (!validDrawable(client, stuff->drawable, &pDrawable, &status))
 	return status;
 
@@ -266,7 +262,6 @@ ProcDRI2CopyRegion(ClientPtr client)
     rep.type = X_Reply;
     rep.length = 0;
     rep.sequenceNumber = client->sequence;
-    rep.bitmask = 0;
 
     WriteToClient(client, sizeof(xDRI2CopyRegionReply), &rep);