From ea7029410336675de8fecc7c6ebe62c8504ae988 Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@sun.com>
Date: Fri, 26 Jan 2007 14:38:26 -0800
Subject: If using shadowfb, allocate shadow area before fbScreenInit

(Copied from xf86-video-fbdev)
---
 src/wsfb_driver.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/wsfb_driver.c b/src/wsfb_driver.c
index dcaa3c4..c6ad4d4 100644
--- a/src/wsfb_driver.c
+++ b/src/wsfb_driver.c
@@ -820,6 +820,17 @@ WsfbScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
 
 	fPtr->fbstart = fPtr->fbmem;
 
+	if (fPtr->shadowFB) {
+	    fPtr->shadow = xcalloc(1, pScrn->virtualX * pScrn->virtualY *
+				   pScrn->bitsPerPixel);
+
+	    if (!fPtr->shadow) {
+		xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+			   "Failed to allocate shadow framebuffer\n");
+		return FALSE;
+	    }
+	}
+	
 	switch (pScrn->bitsPerPixel) {
 	case 1:
 		ret = xf1bppScreenInit(pScreen, fPtr->fbstart,
-- 
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