From 85f46e0bcdf60d145a6868ee71d10688c9113e6e Mon Sep 17 00:00:00 2001
From: Eric Anholt <anholt@freebsd.org>
Date: Mon, 17 May 2004 07:14:23 +0000
Subject: Add new CheckComposite hook. This allows a driver to avoid the
 migration of     pixmaps for a Composite operation if the operation can't be
 supported.     This hook is optional.

---
 hw/kdrive/src/kaapict.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'hw/kdrive/src/kaapict.c')

diff --git a/hw/kdrive/src/kaapict.c b/hw/kdrive/src/kaapict.c
index cca0d466e..5c4696dec 100644
--- a/hw/kdrive/src/kaapict.c
+++ b/hw/kdrive/src/kaapict.c
@@ -426,6 +426,11 @@ kaaTryDriverComposite(CARD8		op,
 				   width, height))
 	return 1;
 
+    if (pKaaScr->info->CheckComposite &&
+	!(*pKaaScr->info->CheckComposite) (op, pSrc, pMask, pDst))
+    {
+	return -1;
+    }
 
     if (pSrc->pDrawable->type == DRAWABLE_PIXMAP)
 	kaaPixmapUseScreen ((PixmapPtr) pSrc->pDrawable);
-- 
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