R6.6 is the Xorg base-lineXORG-MAIN

1 files changed, 165 insertions, 0 deletions

diff --git a/src/atixv.c b/src/atixv.c
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--- /dev/null
+++ b/src/atixv.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atixv.c,v 1.5 2003/04/25 04:09:54 tsi Exp $ */
+/*
+ * Copyright 2001 through 2004 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 "atiadapter.h"
+#include "atimach64xv.h"
+#include "atistruct.h"
+#include "atixv.h"
+
+/*
+ * ATIXVFreeAdaptorInfo --
+ *
+ * Free XVideo adaptor information.
+ */
+static void
+ATIXVFreeAdaptorInfo
+(
+    XF86VideoAdaptorPtr *ppAdaptor,
+    int                 nAdaptor
+)
+{
+    if (!ppAdaptor)
+        return;
+
+    while (nAdaptor > 0)
+        xfree(ppAdaptor[--nAdaptor]);
+
+    xfree(ppAdaptor);
+}
+
+/*
+ * ATIXVInitializeAdaptor --
+ *
+ * This is called by the server's XVideo support layer to initialise an XVideo
+ * adapter.
+ */
+static int
+ATIXVInitializeAdaptor
+(
+    ScrnInfoPtr         pScreenInfo,
+    XF86VideoAdaptorPtr **pppAdaptor
+)
+{
+    ScreenPtr           pScreen    = screenInfo.screens[pScreenInfo->scrnIndex];
+    ATIPtr              pATI       = ATIPTR(pScreenInfo);
+    XF86VideoAdaptorPtr *ppAdaptor = NULL;
+    int                 nAdaptor;
+
+    switch (pATI->Adapter)
+    {
+        case ATI_ADAPTER_MACH64:
+            nAdaptor = ATIMach64XVInitialiseAdaptor(pScreen, pScreenInfo, pATI,
+                &ppAdaptor);
+            break;
+
+        default:
+            nAdaptor = 0;
+            break;
+    }
+
+    if (pppAdaptor)
+        *pppAdaptor = ppAdaptor;
+    else
+        ATIXVFreeAdaptorInfo(ppAdaptor, nAdaptor);
+
+    return nAdaptor;
+}
+
+/*
+ * ATIXVPreInit --
+ *
+ * This function is called by ATIPreInit() to set up the environment required
+ * to support the XVideo extension.
+ */
+void
+ATIXVPreInit
+(
+    ATIPtr      pATI
+)
+{
+
+#ifndef AVOID_CPIO
+
+    /* Currently a linear aperture is needed ... */
+    if (!pATI->LinearBase)
+        return;
+
+#endif /* AVOID_CPIO */
+
+    (void)xf86XVRegisterGenericAdaptorDriver(ATIXVInitializeAdaptor);
+}
+
+/*
+ * ATIInitializeXVideo --
+ *
+ * This function is called to initialise XVideo extension support on a screen.
+ */
+Bool
+ATIInitializeXVideo
+(
+    ScreenPtr   pScreen,
+    ScrnInfoPtr pScreenInfo,
+    ATIPtr      pATI
+)
+{
+    XF86VideoAdaptorPtr *ppAdaptor;
+    int                 nAdaptor;
+    Bool                result;
+
+    if (!(pScreenInfo->memPhysBase = pATI->LinearBase))
+        return FALSE;
+
+    pScreenInfo->fbOffset = 0;
+
+    nAdaptor = xf86XVListGenericAdaptors(pScreenInfo, &ppAdaptor);
+    result = xf86XVScreenInit(pScreen, ppAdaptor, nAdaptor);
+
+    ATIXVFreeAdaptorInfo(ppAdaptor, nAdaptor);
+
+    return result;
+}
+
+/*
+ * ATICloseXVideo --
+ *
+ * This function is called during screen termination to clean up after XVideo
+ * initialisation.
+ */
+void
+ATICloseXVideo
+(
+    ScreenPtr   pScreen,
+    ScrnInfoPtr pScreenInfo,
+    ATIPtr      pATI
+)
+{
+    switch (pATI->Adapter)
+    {
+        case ATI_ADAPTER_MACH64:
+            ATIMach64CloseXVideo(pScreen, pScreenInfo, pATI);
+            break;
+
+        default:
+            break;
+    }
+}