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+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atiaccel.c,v 1.11 2003/01/01 19:16:30 tsi Exp $ */
+/*
+ * Copyright 2001 through 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of Marc Aurele La France not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. Marc Aurele La France makes no representations
+ * about the suitability of this software for any purpose. It is provided
+ * "as-is" without express or implied warranty.
+ *
+ * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
+ * EVENT SHALL MARC AURELE LA FRANCE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "atiaccel.h"
+#include "atiadapter.h"
+#include "atimach64.h"
+#include "atistruct.h"
+
+/*
+ * ATIInitializeAcceleration --
+ *
+ * This function is called to initialise both the framebuffer manager and XAA
+ * on a screen.
+ */
+Bool
+ATIInitializeAcceleration
+(
+ ScreenPtr pScreen,
+ ScrnInfoPtr pScreenInfo,
+ ATIPtr pATI
+)
+{
+ int maxScanlines = 32767, maxPixelArea, PixelArea;
+
+ if (pATI->OptionAccel)
+ {
+ if (!(pATI->pXAAInfo = XAACreateInfoRec()))
+ return FALSE;
+
+ switch (pATI->Adapter)
+ {
+ case ATI_ADAPTER_MACH64:
+ maxScanlines = ATIMach64AccelInit(pATI, pATI->pXAAInfo);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+#ifndef AVOID_CPIO
+
+ if (!pATI->BankInfo.BankSize)
+
+#endif /* AVOID_CPIO */
+
+ {
+ maxPixelArea = maxScanlines * pScreenInfo->displayWidth;
+ PixelArea = pScreenInfo->videoRam * 1024 * 8 / pATI->bitsPerPixel;
+ if (PixelArea > maxPixelArea)
+ PixelArea = maxPixelArea;
+ xf86InitFBManagerArea(pScreen, PixelArea, 2);
+ }
+
+ if (!pATI->OptionAccel || XAAInit(pScreen, pATI->pXAAInfo))
+ return TRUE;
+
+ XAADestroyInfoRec(pATI->pXAAInfo);
+ pATI->pXAAInfo = NULL;
+ return FALSE;
+}