svn merge -r588:HEAD ^/branches/released .

1 files changed, 1058 insertions, 1062 deletions

diff --git a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
index 038551467..fae8d8b5d 100644
--- a/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
+++ b/xorg-server/hw/xfree86/dixmods/extmod/xf86dga2.c
@@ -1,1062 +1,1058 @@
-/*
- * Copyright (c) 1995  Jon Tombs
- * Copyright (c) 1995, 1996, 1999  XFree86 Inc
- * Copyright (c) 1999 - The XFree86 Project Inc.
- *
- * Written by Mark Vojkovich
- */
-
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "dixstruct.h"
-#include "dixevents.h"
-#include "pixmapstr.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "servermd.h"
-#include <X11/extensions/xf86dgaproto.h>
-#include "swaprep.h"
-#include "dgaproc.h"
-#include "xf86dgaext.h"
-#include "protocol-versions.h"
-
-#include <string.h>
-
-#include "modinit.h"
-
-#define DGA_PROTOCOL_OLD_SUPPORT 1
-
-static DISPATCH_PROC(ProcXDGADispatch);
-static DISPATCH_PROC(SProcXDGADispatch);
-static DISPATCH_PROC(ProcXDGAQueryVersion);
-static DISPATCH_PROC(ProcXDGAQueryModes);
-static DISPATCH_PROC(ProcXDGASetMode);
-static DISPATCH_PROC(ProcXDGAOpenFramebuffer);
-static DISPATCH_PROC(ProcXDGACloseFramebuffer);
-static DISPATCH_PROC(ProcXDGASetViewport);
-static DISPATCH_PROC(ProcXDGAInstallColormap);
-static DISPATCH_PROC(ProcXDGASelectInput);
-static DISPATCH_PROC(ProcXDGAFillRectangle);
-static DISPATCH_PROC(ProcXDGACopyArea);
-static DISPATCH_PROC(ProcXDGACopyTransparentArea);
-static DISPATCH_PROC(ProcXDGAGetViewportStatus);
-static DISPATCH_PROC(ProcXDGASync);
-static DISPATCH_PROC(ProcXDGASetClientVersion);
-static DISPATCH_PROC(ProcXDGAChangePixmapMode);
-static DISPATCH_PROC(ProcXDGACreateColormap);
-
-static void XDGAResetProc(ExtensionEntry *extEntry);
-
-static void DGAClientStateChange (CallbackListPtr*, pointer, pointer);
-
-unsigned char DGAReqCode = 0;
-int DGAErrorBase;
-int DGAEventBase;
-
-static int DGAScreenPrivateKeyIndex;
-static DevPrivateKey DGAScreenPrivateKey = &DGAScreenPrivateKeyIndex;
-static int DGAClientPrivateKeyIndex;
-static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKeyIndex;
-static int DGACallbackRefCount = 0;
-
-/* This holds the client's version information */
-typedef struct {
-    int		major;
-    int		minor;
-} DGAPrivRec, *DGAPrivPtr;
-
-#define DGA_GETCLIENT(idx) ((ClientPtr) \
-    dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey))
-#define DGA_SETCLIENT(idx,p) \
-    dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p)
-
-#define DGA_GETPRIV(c) ((DGAPrivPtr) \
-    dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey))
-#define DGA_SETPRIV(c,p) \
-    dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p)
-
-
-void
-XFree86DGAExtensionInit(INITARGS)
-{
-    ExtensionEntry* extEntry;
-
-    if ((extEntry = AddExtension(XF86DGANAME,
-				XF86DGANumberEvents,
-				XF86DGANumberErrors,
-				ProcXDGADispatch,
-				SProcXDGADispatch,
-				XDGAResetProc,
-				StandardMinorOpcode))) {
-	int i;
-
-	DGAReqCode = (unsigned char)extEntry->base;
-	DGAErrorBase = extEntry->errorBase;
-	DGAEventBase = extEntry->eventBase;
-	for (i = KeyPress; i <= MotionNotify; i++)
-	    SetCriticalEvent (DGAEventBase + i);
-    }
-}
-
-
-
-static void
-XDGAResetProc (ExtensionEntry *extEntry)
-{
-   DeleteCallback (&ClientStateCallback, DGAClientStateChange, NULL);
-   DGACallbackRefCount = 0;
-}
-
-
-static int
-ProcXDGAQueryVersion(ClientPtr client)
-{
-    xXDGAQueryVersionReply rep;
-
-    REQUEST_SIZE_MATCH(xXDGAQueryVersionReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.majorVersion = SERVER_XDGA_MAJOR_VERSION;
-    rep.minorVersion = SERVER_XDGA_MINOR_VERSION;
-
-    WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGAOpenFramebuffer(ClientPtr client)
-{
-    REQUEST(xXDGAOpenFramebufferReq);
-    xXDGAOpenFramebufferReply rep;
-    char *deviceName;
-    int nameSize;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if (!DGAAvailable(stuff->screen))
-        return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if(!DGAOpenFramebuffer(stuff->screen, &deviceName,
-			(unsigned char**)(&rep.mem1),
-			(int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra))
-    {
-	return BadAlloc;
-    }
-
-    nameSize = deviceName ? (strlen(deviceName) + 1) : 0;
-    rep.length = bytes_to_int32(nameSize);
-
-    WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *)&rep);
-    if(rep.length)
-	WriteToClient(client, nameSize, deviceName);
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGACloseFramebuffer(ClientPtr client)
-{
-    REQUEST(xXDGACloseFramebufferReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if (!DGAAvailable(stuff->screen))
-        return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq);
-
-    DGACloseFramebuffer(stuff->screen);
-
-    return (client->noClientException);
-}
-
-static int
-ProcXDGAQueryModes(ClientPtr client)
-{
-    int i, num, size;
-    REQUEST(xXDGAQueryModesReq);
-    xXDGAQueryModesReply rep;
-    xXDGAModeInfo info;
-    XDGAModePtr mode;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    REQUEST_SIZE_MATCH(xXDGAQueryModesReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.number = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!DGAAvailable(stuff->screen)) {
-	rep.number = 0;
-	rep.length = 0;
-	WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
-	return (client->noClientException);
-    }
-
-    if(!(num = DGAGetModes(stuff->screen))) {
-	WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
-	return (client->noClientException);
-    }
-
-    if(!(mode = (XDGAModePtr)xalloc(num * sizeof(XDGAModeRec))))
-	return BadAlloc;
-
-    for(i = 0; i < num; i++)
-	DGAGetModeInfo(stuff->screen, mode + i, i + 1);
-
-    size = num * sz_xXDGAModeInfo;
-    for(i = 0; i < num; i++)
-	size += pad_to_int32(strlen(mode[i].name) + 1);  /* plus NULL */
-
-    rep.number = num;
-    rep.length = bytes_to_int32(size);
-
-    WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
-
-    for(i = 0; i < num; i++) {
-	size = strlen(mode[i].name) + 1;
-
-	info.byte_order = mode[i].byteOrder;
-	info.depth = mode[i].depth;
-	info.num = mode[i].num;
-	info.bpp = mode[i].bitsPerPixel;
-	info.name_size = (size + 3) & ~3L;
-	info.vsync_num = mode[i].VSync_num;
-	info.vsync_den = mode[i].VSync_den;
-	info.flags = mode[i].flags;
-	info.image_width = mode[i].imageWidth;
-	info.image_height = mode[i].imageHeight;
-	info.pixmap_width = mode[i].pixmapWidth;
-	info.pixmap_height = mode[i].pixmapHeight;
-	info.bytes_per_scanline = mode[i].bytesPerScanline;
-	info.red_mask = mode[i].red_mask;
-	info.green_mask = mode[i].green_mask;
-	info.blue_mask = mode[i].blue_mask;
-	info.visual_class = mode[i].visualClass;
-	info.viewport_width = mode[i].viewportWidth;
-	info.viewport_height = mode[i].viewportHeight;
-	info.viewport_xstep = mode[i].xViewportStep;
-	info.viewport_ystep = mode[i].yViewportStep;
- 	info.viewport_xmax = mode[i].maxViewportX;
-	info.viewport_ymax = mode[i].maxViewportY;
-	info.viewport_flags = mode[i].viewportFlags;
-	info.reserved1 = mode[i].reserved1;
-	info.reserved2 = mode[i].reserved2;
-
-	WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));
-	WriteToClient(client, size, mode[i].name);
-    }
-
-    xfree(mode);
-
-    return (client->noClientException);
-}
-
-
-static void
-DGAClientStateChange (
-    CallbackListPtr* pcbl,
-    pointer nulldata,
-    pointer calldata
-){
-    NewClientInfoRec* pci = (NewClientInfoRec*) calldata;
-    ClientPtr client = NULL;
-    int i;
-
-    for(i = 0; i < screenInfo.numScreens; i++) {
-	if(DGA_GETCLIENT(i) == pci->client) {
-	   client = pci->client;
-	   break;
-	}
-    }
-
-    if(client &&
-      ((client->clientState == ClientStateGone) ||
-       (client->clientState == ClientStateRetained))) {
-	XDGAModeRec mode;
-	PixmapPtr pPix;
-
-	DGA_SETCLIENT(i, NULL);
-	DGASelectInput(i, NULL, 0);
-	DGASetMode(i, 0, &mode, &pPix);
-
-	if(--DGACallbackRefCount == 0)
-	    DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
-    }
-}
-
-static int
-ProcXDGASetMode(ClientPtr client)
-{
-    REQUEST(xXDGASetModeReq);
-    xXDGASetModeReply rep;
-    XDGAModeRec mode;
-    xXDGAModeInfo info;
-    PixmapPtr pPix;
-    ClientPtr owner;
-    int size;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-    owner = DGA_GETCLIENT(stuff->screen);
-
-    REQUEST_SIZE_MATCH(xXDGASetModeReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.offset = 0;
-    rep.flags = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!DGAAvailable(stuff->screen))
-        return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    if(owner && owner != client)
-        return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    if(!stuff->mode) {
-	if(owner) {
-	  if(--DGACallbackRefCount == 0)
-	    DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
-	}
-	DGA_SETCLIENT(stuff->screen, NULL);
-	DGASelectInput(stuff->screen, NULL, 0);
-	DGASetMode(stuff->screen, 0, &mode, &pPix);
-	WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);
-	return (client->noClientException);
-    }
-
-    if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix))
-	return BadValue;
-
-    if(!owner) {
-	if(DGACallbackRefCount++ == 0)
-	   AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);
-    }
-
-    DGA_SETCLIENT(stuff->screen, client);
-
-    if(pPix) {
-	if(AddResource(stuff->pid, RT_PIXMAP, (pointer)(pPix))) {
-	    pPix->drawable.id = (int)stuff->pid;
-	    rep.flags = DGA_PIXMAP_AVAILABLE;
-	}
-    }
-
-    size = strlen(mode.name) + 1;
-
-    info.byte_order = mode.byteOrder;
-    info.depth = mode.depth;
-    info.num = mode.num;
-    info.bpp = mode.bitsPerPixel;
-    info.name_size = (size + 3) & ~3L;
-    info.vsync_num = mode.VSync_num;
-    info.vsync_den = mode.VSync_den;
-    info.flags = mode.flags;
-    info.image_width = mode.imageWidth;
-    info.image_height = mode.imageHeight;
-    info.pixmap_width = mode.pixmapWidth;
-    info.pixmap_height = mode.pixmapHeight;
-    info.bytes_per_scanline = mode.bytesPerScanline;
-    info.red_mask = mode.red_mask;
-    info.green_mask = mode.green_mask;
-    info.blue_mask = mode.blue_mask;
-    info.visual_class = mode.visualClass;
-    info.viewport_width = mode.viewportWidth;
-    info.viewport_height = mode.viewportHeight;
-    info.viewport_xstep = mode.xViewportStep;
-    info.viewport_ystep = mode.yViewportStep;
-    info.viewport_xmax = mode.maxViewportX;
-    info.viewport_ymax = mode.maxViewportY;
-    info.viewport_flags = mode.viewportFlags;
-    info.reserved1 = mode.reserved1;
-    info.reserved2 = mode.reserved2;
-
-    rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size);
-
-    WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);
-    WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));
-    WriteToClient(client, size, mode.name);
-
-    return (client->noClientException);
-}
-
-static int
-ProcXDGASetViewport(ClientPtr client)
-{
-    REQUEST(xXDGASetViewportReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGASetViewportReq);
-
-    DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags);
-
-    return (client->noClientException);
-}
-
-static int
-ProcXDGAInstallColormap(ClientPtr client)
-{
-    ColormapPtr cmap;
-    int rc;
-    REQUEST(xXDGAInstallColormapReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGAInstallColormapReq);
-
-    rc = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, RT_COLORMAP,
-				 client, DixInstallAccess);
-    if (rc == Success) {
-        DGAInstallCmap(cmap);
-        return (client->noClientException);
-    } else {
-        return (rc == BadValue) ? BadColor : rc;
-    }
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGASelectInput(ClientPtr client)
-{
-    REQUEST(xXDGASelectInputReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGASelectInputReq);
-
-    if(DGA_GETCLIENT(stuff->screen) == client)
-	DGASelectInput(stuff->screen, client, stuff->mask);
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGAFillRectangle(ClientPtr client)
-{
-    REQUEST(xXDGAFillRectangleReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGAFillRectangleReq);
-
-    if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y,
-			stuff->width, stuff->height, stuff->color))
-	return BadMatch;
-
-    return (client->noClientException);
-}
-
-static int
-ProcXDGACopyArea(ClientPtr client)
-{
-    REQUEST(xXDGACopyAreaReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGACopyAreaReq);
-
-    if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy,
-		stuff->width, stuff->height, stuff->dstx, stuff->dsty))
-	return BadMatch;
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGACopyTransparentArea(ClientPtr client)
-{
-    REQUEST(xXDGACopyTransparentAreaReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq);
-
-    if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy,
-	stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key))
-	return BadMatch;
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGAGetViewportStatus(ClientPtr client)
-{
-    REQUEST(xXDGAGetViewportStatusReq);
-    xXDGAGetViewportStatusReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rep.status = DGAGetViewportStatus(stuff->screen);
-
-    WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXDGASync(ClientPtr client)
-{
-    REQUEST(xXDGASyncReq);
-    xXDGASyncReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGASyncReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    DGASync(stuff->screen);
-
-    WriteToClient(client, sizeof(xXDGASyncReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXDGASetClientVersion(ClientPtr client)
-{
-    REQUEST(xXDGASetClientVersionReq);
-
-    DGAPrivPtr pPriv;
-
-    REQUEST_SIZE_MATCH(xXDGASetClientVersionReq);
-    if ((pPriv = DGA_GETPRIV(client)) == NULL) {
-	pPriv = xalloc(sizeof(DGAPrivRec));
-	/* XXX Need to look into freeing this */
-	if (!pPriv)
-	    return BadAlloc;
-	DGA_SETPRIV(client, pPriv);
-    }
-    pPriv->major = stuff->major;
-    pPriv->minor = stuff->minor;
-
-    return (client->noClientException);
-}
-
-static int
-ProcXDGAChangePixmapMode(ClientPtr client)
-{
-    REQUEST(xXDGAChangePixmapModeReq);
-    xXDGAChangePixmapModeReply rep;
-    int x, y;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    x = stuff->x;
-    y = stuff->y;
-
-    if(!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags))
-	return BadMatch;
-
-    rep.x = x;
-    rep.y = y;
-    WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *)&rep);
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXDGACreateColormap(ClientPtr client)
-{
-    REQUEST(xXDGACreateColormapReq);
-    int result;
-
-    if (stuff->screen > screenInfo.numScreens)
-        return BadValue;
-
-    if(DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXDGACreateColormapReq);
-
-    if(!stuff->mode)
-	return BadValue;
-
-    result = DGACreateColormap(stuff->screen, client, stuff->id,
-				stuff->mode, stuff->alloc);
-    if(result != Success)
-	return result;
-
-    return (client->noClientException);
-}
-
-/*
- *
- * Support for the old DGA protocol, used to live in xf86dga.c
- *
- */
-
-#ifdef DGA_PROTOCOL_OLD_SUPPORT
-
-static DISPATCH_PROC(ProcXF86DGADirectVideo);
-static DISPATCH_PROC(ProcXF86DGAGetVidPage);
-static DISPATCH_PROC(ProcXF86DGAGetVideoLL);
-static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);
-static DISPATCH_PROC(ProcXF86DGASetVidPage);
-static DISPATCH_PROC(ProcXF86DGASetViewPort);
-static DISPATCH_PROC(ProcXF86DGAInstallColormap);
-static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);
-static DISPATCH_PROC(ProcXF86DGAViewPortChanged);
-
-
-static int
-ProcXF86DGAGetVideoLL(ClientPtr client)
-{
-    REQUEST(xXF86DGAGetVideoLLReq);
-    xXF86DGAGetVideoLLReply rep;
-    XDGAModeRec mode;
-    int num, offset, flags;
-    char *name;
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if(!DGAAvailable(stuff->screen))
-	return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
-    if(!(num = DGAGetOldDGAMode(stuff->screen)))
-	return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
-    /* get the parameters for the mode that best matches */
-    DGAGetModeInfo(stuff->screen, &mode, num);
-
-    if(!DGAOpenFramebuffer(stuff->screen, &name,
-			(unsigned char**)(&rep.offset),
-			(int*)(&rep.bank_size), &offset, &flags))
-	return BadAlloc;
-
-    rep.offset += mode.offset;
-    rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);
-    rep.ram_size = rep.bank_size >> 10;
-
-    WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DGADirectVideo(ClientPtr client)
-{
-    int num;
-    PixmapPtr pix;
-    XDGAModeRec mode;
-    ClientPtr owner;
-    REQUEST(xXF86DGADirectVideoReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-    owner = DGA_GETCLIENT(stuff->screen);
-
-    REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);
-
-    if (!DGAAvailable(stuff->screen))
-	return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    if (owner && owner != client)
-        return DGAErrorBase + XF86DGANoDirectVideoMode;
-
-    if (stuff->enable & XF86DGADirectGraphics) {
-	if(!(num = DGAGetOldDGAMode(stuff->screen)))
-	    return (DGAErrorBase + XF86DGANoDirectVideoMode);
-    } else
-	num = 0;
-
-    if(Success != DGASetMode(stuff->screen, num, &mode, &pix))
-	return (DGAErrorBase + XF86DGAScreenNotActive);
-
-    DGASetInputMode (stuff->screen,
-		     (stuff->enable & XF86DGADirectKeyb) != 0,
-		     (stuff->enable & XF86DGADirectMouse) != 0);
-
-    /* We need to track the client and attach the teardown callback */
-    if (stuff->enable &
-	(XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) {
-	if (!owner) {
-	    if (DGACallbackRefCount++ == 0)
-		AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);
-	}
-
-	DGA_SETCLIENT(stuff->screen, client);
-    } else {
-	if (owner) {
-	    if (--DGACallbackRefCount == 0)
-		DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
-	}
-
-	DGA_SETCLIENT(stuff->screen, NULL);
-    }
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DGAGetViewPortSize(ClientPtr client)
-{
-    int num;
-    XDGAModeRec mode;
-    REQUEST(xXF86DGAGetViewPortSizeReq);
-    xXF86DGAGetViewPortSizeReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!DGAAvailable(stuff->screen))
-	return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
-    if(!(num = DGAGetOldDGAMode(stuff->screen)))
-	return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
-    DGAGetModeInfo(stuff->screen, &mode, num);
-
-    rep.width = mode.viewportWidth;
-    rep.height = mode.viewportHeight;
-
-    WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DGASetViewPort(ClientPtr client)
-{
-    REQUEST(xXF86DGASetViewPortReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    if (DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);
-
-    if (!DGAAvailable(stuff->screen))
-	return (DGAErrorBase + XF86DGANoDirectVideoMode);
-
-    if (!DGAActive(stuff->screen))
-	return DGAErrorBase + XF86DGADirectNotActivated;
-
-    if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)
-		!= Success)
-	return DGAErrorBase + XF86DGADirectNotActivated;
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DGAGetVidPage(ClientPtr client)
-{
-    REQUEST(xXF86DGAGetVidPageReq);
-    xXF86DGAGetVidPageReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.vpage = 0;  /* silently fail */
-
-    WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-
-static int
-ProcXF86DGASetVidPage(ClientPtr client)
-{
-    REQUEST(xXF86DGASetVidPageReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);
-
-    /* silently fail */
-
-    return (client->noClientException);
-}
-
-
-static int
-ProcXF86DGAInstallColormap(ClientPtr client)
-{
-    ColormapPtr pcmp;
-    int rc;
-    REQUEST(xXF86DGAInstallColormapReq);
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    if (DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);
-
-    if (!DGAActive(stuff->screen))
-	return (DGAErrorBase + XF86DGADirectNotActivated);
-
-    rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP,
-				 client, DixInstallAccess);
-    if (rc == Success) {
-	DGAInstallCmap(pcmp);
-        return (client->noClientException);
-    } else {
-        return (rc == BadValue) ? BadColor : rc;
-    }
-}
-
-static int
-ProcXF86DGAQueryDirectVideo(ClientPtr client)
-{
-    REQUEST(xXF86DGAQueryDirectVideoReq);
-    xXF86DGAQueryDirectVideoReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.flags = 0;
-
-    if (DGAAvailable(stuff->screen))
-	rep.flags = XF86DGADirectPresent;
-
-    WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DGAViewPortChanged(ClientPtr client)
-{
-    REQUEST(xXF86DGAViewPortChangedReq);
-    xXF86DGAViewPortChangedReply rep;
-
-    if (stuff->screen > screenInfo.numScreens)
-	return BadValue;
-
-    if (DGA_GETCLIENT(stuff->screen) != client)
-        return DGAErrorBase + XF86DGADirectNotActivated;
-
-    REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);
-
-    if (!DGAActive(stuff->screen))
-	return (DGAErrorBase + XF86DGADirectNotActivated);
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.result = 1;
-
-    WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-#endif /* DGA_PROTOCOL_OLD_SUPPORT */
-
-static int
-SProcXDGADispatch (ClientPtr client)
-{
-   return DGAErrorBase + XF86DGAClientNotLocal;
-}
-
-#if 0
-#define DGA_REQ_DEBUG
-#endif
-
-#ifdef DGA_REQ_DEBUG
-static char *dgaMinor[] = {
-    "QueryVersion",
-    "GetVideoLL",
-    "DirectVideo",
-    "GetViewPortSize",
-    "SetViewPort",
-    "GetVidPage",
-    "SetVidPage",
-    "InstallColormap",
-    "QueryDirectVideo",
-    "ViewPortChanged",
-    "10",
-    "11",
-    "QueryModes",
-    "SetMode",
-    "SetViewport",
-    "InstallColormap",
-    "SelectInput",
-    "FillRectangle",
-    "CopyArea",
-    "CopyTransparentArea",
-    "GetViewportStatus",
-    "Sync",
-    "OpenFramebuffer",
-    "CloseFramebuffer",
-    "SetClientVersion",
-    "ChangePixmapMode",
-    "CreateColormap",
-};
-#endif
-
-static int
-ProcXDGADispatch (ClientPtr client)
-{
-    REQUEST(xReq);
-
-    if (!LocalClient(client))
-	return DGAErrorBase + XF86DGAClientNotLocal;
-
-#ifdef DGA_REQ_DEBUG
-    if (stuff->data <= X_XDGACreateColormap)
-	fprintf (stderr, "    DGA %s\n", dgaMinor[stuff->data]);
-#endif
-
-    switch (stuff->data){
-    /*
-     * DGA2 Protocol
-     */
-    case X_XDGAQueryVersion:
-	return ProcXDGAQueryVersion(client);
-    case X_XDGAQueryModes:
-	return ProcXDGAQueryModes(client);
-    case X_XDGASetMode:
-	return ProcXDGASetMode(client);
-    case X_XDGAOpenFramebuffer:
-	return ProcXDGAOpenFramebuffer(client);
-    case X_XDGACloseFramebuffer:
-	return ProcXDGACloseFramebuffer(client);
-    case X_XDGASetViewport:
-	return ProcXDGASetViewport(client);
-    case X_XDGAInstallColormap:
-	return ProcXDGAInstallColormap(client);
-    case X_XDGASelectInput:
-	return ProcXDGASelectInput(client);
-    case X_XDGAFillRectangle:
-	return ProcXDGAFillRectangle(client);
-    case X_XDGACopyArea:
-	return ProcXDGACopyArea(client);
-    case X_XDGACopyTransparentArea:
-	return ProcXDGACopyTransparentArea(client);
-    case X_XDGAGetViewportStatus:
-	return ProcXDGAGetViewportStatus(client);
-    case X_XDGASync:
-	return ProcXDGASync(client);
-    case X_XDGASetClientVersion:
-	return ProcXDGASetClientVersion(client);
-    case X_XDGAChangePixmapMode:
-	return ProcXDGAChangePixmapMode(client);
-    case X_XDGACreateColormap:
-	return ProcXDGACreateColormap(client);
-    /*
-     * Old DGA Protocol
-     */
-#ifdef DGA_PROTOCOL_OLD_SUPPORT
-    case X_XF86DGAGetVideoLL:
-	return ProcXF86DGAGetVideoLL(client);
-    case X_XF86DGADirectVideo:
-	return ProcXF86DGADirectVideo(client);
-    case X_XF86DGAGetViewPortSize:
-	return ProcXF86DGAGetViewPortSize(client);
-    case X_XF86DGASetViewPort:
-	return ProcXF86DGASetViewPort(client);
-    case X_XF86DGAGetVidPage:
-	return ProcXF86DGAGetVidPage(client);
-    case X_XF86DGASetVidPage:
-	return ProcXF86DGASetVidPage(client);
-    case X_XF86DGAInstallColormap:
-	return ProcXF86DGAInstallColormap(client);
-    case X_XF86DGAQueryDirectVideo:
-	return ProcXF86DGAQueryDirectVideo(client);
-    case X_XF86DGAViewPortChanged:
-	return ProcXF86DGAViewPortChanged(client);
-#endif /* DGA_PROTOCOL_OLD_SUPPORT */
-    default:
-	return BadRequest;
-    }
-}
-
-void
-XFree86DGARegister(INITARGS)
-{
-  XDGAEventBase = &DGAEventBase;
-}
+/*

+ * Copyright (c) 1995  Jon Tombs

+ * Copyright (c) 1995, 1996, 1999  XFree86 Inc

+ * Copyright (c) 1999 - The XFree86 Project Inc.

+ *

+ * Written by Mark Vojkovich

+ */

+

+

+#ifdef HAVE_XORG_CONFIG_H

+#include <xorg-config.h>

+#endif

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "misc.h"

+#include "dixstruct.h"

+#include "dixevents.h"

+#include "pixmapstr.h"

+#include "extnsionst.h"

+#include "colormapst.h"

+#include "cursorstr.h"

+#include "scrnintstr.h"

+#include "servermd.h"

+#include <X11/extensions/xf86dgaproto.h>

+#include "swaprep.h"

+#include "dgaproc.h"

+#include "xf86dgaext.h"

+#include "protocol-versions.h"

+

+#include <string.h>

+

+#include "modinit.h"

+

+#define DGA_PROTOCOL_OLD_SUPPORT 1

+

+static DISPATCH_PROC(ProcXDGADispatch);

+static DISPATCH_PROC(SProcXDGADispatch);

+static DISPATCH_PROC(ProcXDGAQueryVersion);

+static DISPATCH_PROC(ProcXDGAQueryModes);

+static DISPATCH_PROC(ProcXDGASetMode);

+static DISPATCH_PROC(ProcXDGAOpenFramebuffer);

+static DISPATCH_PROC(ProcXDGACloseFramebuffer);

+static DISPATCH_PROC(ProcXDGASetViewport);

+static DISPATCH_PROC(ProcXDGAInstallColormap);

+static DISPATCH_PROC(ProcXDGASelectInput);

+static DISPATCH_PROC(ProcXDGAFillRectangle);

+static DISPATCH_PROC(ProcXDGACopyArea);

+static DISPATCH_PROC(ProcXDGACopyTransparentArea);

+static DISPATCH_PROC(ProcXDGAGetViewportStatus);

+static DISPATCH_PROC(ProcXDGASync);

+static DISPATCH_PROC(ProcXDGASetClientVersion);

+static DISPATCH_PROC(ProcXDGAChangePixmapMode);

+static DISPATCH_PROC(ProcXDGACreateColormap);

+

+static void XDGAResetProc(ExtensionEntry *extEntry);

+

+static void DGAClientStateChange (CallbackListPtr*, pointer, pointer);

+

+unsigned char DGAReqCode = 0;

+int DGAErrorBase;

+int DGAEventBase;

+

+static int DGAScreenPrivateKeyIndex;

+static DevPrivateKey DGAScreenPrivateKey = &DGAScreenPrivateKeyIndex;

+static int DGAClientPrivateKeyIndex;

+static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKeyIndex;

+static int DGACallbackRefCount = 0;

+

+/* This holds the client's version information */

+typedef struct {

+    int		major;

+    int		minor;

+} DGAPrivRec, *DGAPrivPtr;

+

+#define DGA_GETCLIENT(idx) ((ClientPtr) \

+    dixLookupPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey))

+#define DGA_SETCLIENT(idx,p) \

+    dixSetPrivate(&screenInfo.screens[idx]->devPrivates, DGAScreenPrivateKey, p)

+

+#define DGA_GETPRIV(c) ((DGAPrivPtr) \

+    dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey))

+#define DGA_SETPRIV(c,p) \

+    dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p)

+

+

+void

+XFree86DGAExtensionInit(INITARGS)

+{

+    ExtensionEntry* extEntry;

+

+    if ((extEntry = AddExtension(XF86DGANAME,

+				XF86DGANumberEvents,

+				XF86DGANumberErrors,

+				ProcXDGADispatch,

+				SProcXDGADispatch,

+				XDGAResetProc,

+				StandardMinorOpcode))) {

+	int i;

+

+	DGAReqCode = (unsigned char)extEntry->base;

+	DGAErrorBase = extEntry->errorBase;

+	DGAEventBase = extEntry->eventBase;

+	for (i = KeyPress; i <= MotionNotify; i++)

+	    SetCriticalEvent (DGAEventBase + i);

+    }

+}

+

+

+

+static void

+XDGAResetProc (ExtensionEntry *extEntry)

+{

+   DeleteCallback (&ClientStateCallback, DGAClientStateChange, NULL);

+   DGACallbackRefCount = 0;

+}

+

+

+static int

+ProcXDGAQueryVersion(ClientPtr client)

+{

+    xXDGAQueryVersionReply rep;

+

+    REQUEST_SIZE_MATCH(xXDGAQueryVersionReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.majorVersion = SERVER_XDGA_MAJOR_VERSION;

+    rep.minorVersion = SERVER_XDGA_MINOR_VERSION;

+

+    WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *)&rep);

+    return Success;

+}

+

+

+static int

+ProcXDGAOpenFramebuffer(ClientPtr client)

+{

+    REQUEST(xXDGAOpenFramebufferReq);

+    xXDGAOpenFramebufferReply rep;

+    char *deviceName;

+    int nameSize;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if (!DGAAvailable(stuff->screen))

+        return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if(!DGAOpenFramebuffer(stuff->screen, &deviceName,

+			(unsigned char**)(&rep.mem1),

+			(int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra))

+    {

+	return BadAlloc;

+    }

+

+    nameSize = deviceName ? (strlen(deviceName) + 1) : 0;

+    rep.length = bytes_to_int32(nameSize);

+

+    WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *)&rep);

+    if(rep.length)

+	WriteToClient(client, nameSize, deviceName);

+

+    return Success;

+}

+

+

+static int

+ProcXDGACloseFramebuffer(ClientPtr client)

+{

+    REQUEST(xXDGACloseFramebufferReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if (!DGAAvailable(stuff->screen))

+        return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq);

+

+    DGACloseFramebuffer(stuff->screen);

+

+    return Success;

+}

+

+static int

+ProcXDGAQueryModes(ClientPtr client)

+{

+    int i, num, size;

+    REQUEST(xXDGAQueryModesReq);

+    xXDGAQueryModesReply rep;

+    xXDGAModeInfo info;

+    XDGAModePtr mode;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    REQUEST_SIZE_MATCH(xXDGAQueryModesReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.number = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!DGAAvailable(stuff->screen)) {

+	rep.number = 0;

+	rep.length = 0;

+	WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);

+	return Success;

+    }

+

+    if(!(num = DGAGetModes(stuff->screen))) {

+	WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);

+	return Success;

+    }

+

+    if(!(mode = (XDGAModePtr)malloc(num * sizeof(XDGAModeRec))))

+	return BadAlloc;

+

+    for(i = 0; i < num; i++)

+	DGAGetModeInfo(stuff->screen, mode + i, i + 1);

+

+    size = num * sz_xXDGAModeInfo;

+    for(i = 0; i < num; i++)

+	size += pad_to_int32(strlen(mode[i].name) + 1);  /* plus NULL */

+

+    rep.number = num;

+    rep.length = bytes_to_int32(size);

+

+    WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);

+

+    for(i = 0; i < num; i++) {

+	size = strlen(mode[i].name) + 1;

+

+	info.byte_order = mode[i].byteOrder;

+	info.depth = mode[i].depth;

+	info.num = mode[i].num;

+	info.bpp = mode[i].bitsPerPixel;

+	info.name_size = (size + 3) & ~3L;

+	info.vsync_num = mode[i].VSync_num;

+	info.vsync_den = mode[i].VSync_den;

+	info.flags = mode[i].flags;

+	info.image_width = mode[i].imageWidth;

+	info.image_height = mode[i].imageHeight;

+	info.pixmap_width = mode[i].pixmapWidth;

+	info.pixmap_height = mode[i].pixmapHeight;

+	info.bytes_per_scanline = mode[i].bytesPerScanline;

+	info.red_mask = mode[i].red_mask;

+	info.green_mask = mode[i].green_mask;

+	info.blue_mask = mode[i].blue_mask;

+	info.visual_class = mode[i].visualClass;

+	info.viewport_width = mode[i].viewportWidth;

+	info.viewport_height = mode[i].viewportHeight;

+	info.viewport_xstep = mode[i].xViewportStep;

+	info.viewport_ystep = mode[i].yViewportStep;

+ 	info.viewport_xmax = mode[i].maxViewportX;

+	info.viewport_ymax = mode[i].maxViewportY;

+	info.viewport_flags = mode[i].viewportFlags;

+	info.reserved1 = mode[i].reserved1;

+	info.reserved2 = mode[i].reserved2;

+

+	WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));

+	WriteToClient(client, size, mode[i].name);

+    }

+

+    free(mode);

+

+    return Success;

+}

+

+

+static void

+DGAClientStateChange (

+    CallbackListPtr* pcbl,

+    pointer nulldata,

+    pointer calldata

+){

+    NewClientInfoRec* pci = (NewClientInfoRec*) calldata;

+    ClientPtr client = NULL;

+    int i;

+

+    for(i = 0; i < screenInfo.numScreens; i++) {

+	if(DGA_GETCLIENT(i) == pci->client) {

+	   client = pci->client;

+	   break;

+	}

+    }

+

+    if(client &&

+      ((client->clientState == ClientStateGone) ||

+       (client->clientState == ClientStateRetained))) {

+	XDGAModeRec mode;

+	PixmapPtr pPix;

+

+	DGA_SETCLIENT(i, NULL);

+	DGASelectInput(i, NULL, 0);

+	DGASetMode(i, 0, &mode, &pPix);

+

+	if(--DGACallbackRefCount == 0)

+	    DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);

+    }

+}

+

+static int

+ProcXDGASetMode(ClientPtr client)

+{

+    REQUEST(xXDGASetModeReq);

+    xXDGASetModeReply rep;

+    XDGAModeRec mode;

+    xXDGAModeInfo info;

+    PixmapPtr pPix;

+    ClientPtr owner;

+    int size;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+    owner = DGA_GETCLIENT(stuff->screen);

+

+    REQUEST_SIZE_MATCH(xXDGASetModeReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.offset = 0;

+    rep.flags = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!DGAAvailable(stuff->screen))

+        return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    if(owner && owner != client)

+        return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    if(!stuff->mode) {

+	if(owner) {

+	  if(--DGACallbackRefCount == 0)

+	    DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);

+	}

+	DGA_SETCLIENT(stuff->screen, NULL);

+	DGASelectInput(stuff->screen, NULL, 0);

+	DGASetMode(stuff->screen, 0, &mode, &pPix);

+	WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);

+	return Success;

+    }

+

+    if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix))

+	return BadValue;

+

+    if(!owner) {

+	if(DGACallbackRefCount++ == 0)

+	   AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);

+    }

+

+    DGA_SETCLIENT(stuff->screen, client);

+

+    if(pPix) {

+	if(AddResource(stuff->pid, RT_PIXMAP, (pointer)(pPix))) {

+	    pPix->drawable.id = (int)stuff->pid;

+	    rep.flags = DGA_PIXMAP_AVAILABLE;

+	}

+    }

+

+    size = strlen(mode.name) + 1;

+

+    info.byte_order = mode.byteOrder;

+    info.depth = mode.depth;

+    info.num = mode.num;

+    info.bpp = mode.bitsPerPixel;

+    info.name_size = (size + 3) & ~3L;

+    info.vsync_num = mode.VSync_num;

+    info.vsync_den = mode.VSync_den;

+    info.flags = mode.flags;

+    info.image_width = mode.imageWidth;

+    info.image_height = mode.imageHeight;

+    info.pixmap_width = mode.pixmapWidth;

+    info.pixmap_height = mode.pixmapHeight;

+    info.bytes_per_scanline = mode.bytesPerScanline;

+    info.red_mask = mode.red_mask;

+    info.green_mask = mode.green_mask;

+    info.blue_mask = mode.blue_mask;

+    info.visual_class = mode.visualClass;

+    info.viewport_width = mode.viewportWidth;

+    info.viewport_height = mode.viewportHeight;

+    info.viewport_xstep = mode.xViewportStep;

+    info.viewport_ystep = mode.yViewportStep;

+    info.viewport_xmax = mode.maxViewportX;

+    info.viewport_ymax = mode.maxViewportY;

+    info.viewport_flags = mode.viewportFlags;

+    info.reserved1 = mode.reserved1;

+    info.reserved2 = mode.reserved2;

+

+    rep.length = bytes_to_int32(sz_xXDGAModeInfo + info.name_size);

+

+    WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);

+    WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));

+    WriteToClient(client, size, mode.name);

+

+    return Success;

+}

+

+static int

+ProcXDGASetViewport(ClientPtr client)

+{

+    REQUEST(xXDGASetViewportReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGASetViewportReq);

+

+    DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags);

+

+    return Success;

+}

+

+static int

+ProcXDGAInstallColormap(ClientPtr client)

+{

+    ColormapPtr cmap;

+    int rc;

+    REQUEST(xXDGAInstallColormapReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGAInstallColormapReq);

+

+    rc = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, RT_COLORMAP,

+				 client, DixInstallAccess);

+    if (rc != Success)

+        return (rc == BadValue) ? BadColor : rc;

+    DGAInstallCmap(cmap);

+    return Success;

+}

+

+

+static int

+ProcXDGASelectInput(ClientPtr client)

+{

+    REQUEST(xXDGASelectInputReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGASelectInputReq);

+

+    if(DGA_GETCLIENT(stuff->screen) == client)

+	DGASelectInput(stuff->screen, client, stuff->mask);

+

+    return Success;

+}

+

+

+static int

+ProcXDGAFillRectangle(ClientPtr client)

+{

+    REQUEST(xXDGAFillRectangleReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGAFillRectangleReq);

+

+    if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y,

+			stuff->width, stuff->height, stuff->color))

+	return BadMatch;

+

+    return Success;

+}

+

+static int

+ProcXDGACopyArea(ClientPtr client)

+{

+    REQUEST(xXDGACopyAreaReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGACopyAreaReq);

+

+    if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy,

+		stuff->width, stuff->height, stuff->dstx, stuff->dsty))

+	return BadMatch;

+

+    return Success;

+}

+

+

+static int

+ProcXDGACopyTransparentArea(ClientPtr client)

+{

+    REQUEST(xXDGACopyTransparentAreaReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq);

+

+    if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy,

+	stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key))

+	return BadMatch;

+

+    return Success;

+}

+

+

+static int

+ProcXDGAGetViewportStatus(ClientPtr client)

+{

+    REQUEST(xXDGAGetViewportStatusReq);

+    xXDGAGetViewportStatusReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGAGetViewportStatusReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rep.status = DGAGetViewportStatus(stuff->screen);

+

+    WriteToClient(client, sizeof(xXDGAGetViewportStatusReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXDGASync(ClientPtr client)

+{

+    REQUEST(xXDGASyncReq);

+    xXDGASyncReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGASyncReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    DGASync(stuff->screen);

+

+    WriteToClient(client, sizeof(xXDGASyncReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXDGASetClientVersion(ClientPtr client)

+{

+    REQUEST(xXDGASetClientVersionReq);

+

+    DGAPrivPtr pPriv;

+

+    REQUEST_SIZE_MATCH(xXDGASetClientVersionReq);

+    if ((pPriv = DGA_GETPRIV(client)) == NULL) {

+	pPriv = malloc(sizeof(DGAPrivRec));

+	/* XXX Need to look into freeing this */

+	if (!pPriv)

+	    return BadAlloc;

+	DGA_SETPRIV(client, pPriv);

+    }

+    pPriv->major = stuff->major;

+    pPriv->minor = stuff->minor;

+

+    return Success;

+}

+

+static int

+ProcXDGAChangePixmapMode(ClientPtr client)

+{

+    REQUEST(xXDGAChangePixmapModeReq);

+    xXDGAChangePixmapModeReply rep;

+    int x, y;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGAChangePixmapModeReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    x = stuff->x;

+    y = stuff->y;

+

+    if(!DGAChangePixmapMode(stuff->screen, &x, &y, stuff->flags))

+	return BadMatch;

+

+    rep.x = x;

+    rep.y = y;

+    WriteToClient(client, sizeof(xXDGAChangePixmapModeReply), (char *)&rep);

+

+    return Success;

+}

+

+

+static int

+ProcXDGACreateColormap(ClientPtr client)

+{

+    REQUEST(xXDGACreateColormapReq);

+    int result;

+

+    if (stuff->screen > screenInfo.numScreens)

+        return BadValue;

+

+    if(DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXDGACreateColormapReq);

+

+    if(!stuff->mode)

+	return BadValue;

+

+    result = DGACreateColormap(stuff->screen, client, stuff->id,

+				stuff->mode, stuff->alloc);

+    if(result != Success)

+	return result;

+

+    return Success;

+}

+

+/*

+ *

+ * Support for the old DGA protocol, used to live in xf86dga.c

+ *

+ */

+

+#ifdef DGA_PROTOCOL_OLD_SUPPORT

+

+static DISPATCH_PROC(ProcXF86DGADirectVideo);

+static DISPATCH_PROC(ProcXF86DGAGetVidPage);

+static DISPATCH_PROC(ProcXF86DGAGetVideoLL);

+static DISPATCH_PROC(ProcXF86DGAGetViewPortSize);

+static DISPATCH_PROC(ProcXF86DGASetVidPage);

+static DISPATCH_PROC(ProcXF86DGASetViewPort);

+static DISPATCH_PROC(ProcXF86DGAInstallColormap);

+static DISPATCH_PROC(ProcXF86DGAQueryDirectVideo);

+static DISPATCH_PROC(ProcXF86DGAViewPortChanged);

+

+

+static int

+ProcXF86DGAGetVideoLL(ClientPtr client)

+{

+    REQUEST(xXF86DGAGetVideoLLReq);

+    xXF86DGAGetVideoLLReply rep;

+    XDGAModeRec mode;

+    int num, offset, flags;

+    char *name;

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    REQUEST_SIZE_MATCH(xXF86DGAGetVideoLLReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if(!DGAAvailable(stuff->screen))

+	return (DGAErrorBase + XF86DGANoDirectVideoMode);

+

+    if(!(num = DGAGetOldDGAMode(stuff->screen)))

+	return (DGAErrorBase + XF86DGANoDirectVideoMode);

+

+    /* get the parameters for the mode that best matches */

+    DGAGetModeInfo(stuff->screen, &mode, num);

+

+    if(!DGAOpenFramebuffer(stuff->screen, &name,

+			(unsigned char**)(&rep.offset),

+			(int*)(&rep.bank_size), &offset, &flags))

+	return BadAlloc;

+

+    rep.offset += mode.offset;

+    rep.width = mode.bytesPerScanline / (mode.bitsPerPixel >> 3);

+    rep.ram_size = rep.bank_size >> 10;

+

+    WriteToClient(client, SIZEOF(xXF86DGAGetVideoLLReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DGADirectVideo(ClientPtr client)

+{

+    int num;

+    PixmapPtr pix;

+    XDGAModeRec mode;

+    ClientPtr owner;

+    REQUEST(xXF86DGADirectVideoReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+    owner = DGA_GETCLIENT(stuff->screen);

+

+    REQUEST_SIZE_MATCH(xXF86DGADirectVideoReq);

+

+    if (!DGAAvailable(stuff->screen))

+	return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    if (owner && owner != client)

+        return DGAErrorBase + XF86DGANoDirectVideoMode;

+

+    if (stuff->enable & XF86DGADirectGraphics) {

+	if(!(num = DGAGetOldDGAMode(stuff->screen)))

+	    return (DGAErrorBase + XF86DGANoDirectVideoMode);

+    } else

+	num = 0;

+

+    if(Success != DGASetMode(stuff->screen, num, &mode, &pix))

+	return (DGAErrorBase + XF86DGAScreenNotActive);

+

+    DGASetInputMode (stuff->screen,

+		     (stuff->enable & XF86DGADirectKeyb) != 0,

+		     (stuff->enable & XF86DGADirectMouse) != 0);

+

+    /* We need to track the client and attach the teardown callback */

+    if (stuff->enable &

+	(XF86DGADirectGraphics | XF86DGADirectKeyb | XF86DGADirectMouse)) {

+	if (!owner) {

+	    if (DGACallbackRefCount++ == 0)

+		AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);

+	}

+

+	DGA_SETCLIENT(stuff->screen, client);

+    } else {

+	if (owner) {

+	    if (--DGACallbackRefCount == 0)

+		DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);

+	}

+

+	DGA_SETCLIENT(stuff->screen, NULL);

+    }

+

+    return Success;

+}

+

+static int

+ProcXF86DGAGetViewPortSize(ClientPtr client)

+{

+    int num;

+    XDGAModeRec mode;

+    REQUEST(xXF86DGAGetViewPortSizeReq);

+    xXF86DGAGetViewPortSizeReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    REQUEST_SIZE_MATCH(xXF86DGAGetViewPortSizeReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!DGAAvailable(stuff->screen))

+	return (DGAErrorBase + XF86DGANoDirectVideoMode);

+

+    if(!(num = DGAGetOldDGAMode(stuff->screen)))

+	return (DGAErrorBase + XF86DGANoDirectVideoMode);

+

+    DGAGetModeInfo(stuff->screen, &mode, num);

+

+    rep.width = mode.viewportWidth;

+    rep.height = mode.viewportHeight;

+

+    WriteToClient(client, SIZEOF(xXF86DGAGetViewPortSizeReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DGASetViewPort(ClientPtr client)

+{

+    REQUEST(xXF86DGASetViewPortReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    if (DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXF86DGASetViewPortReq);

+

+    if (!DGAAvailable(stuff->screen))

+	return (DGAErrorBase + XF86DGANoDirectVideoMode);

+

+    if (!DGAActive(stuff->screen))

+	return DGAErrorBase + XF86DGADirectNotActivated;

+

+    if (DGASetViewport(stuff->screen, stuff->x, stuff->y, DGA_FLIP_RETRACE)

+		!= Success)

+	return DGAErrorBase + XF86DGADirectNotActivated;

+

+    return Success;

+}

+

+static int

+ProcXF86DGAGetVidPage(ClientPtr client)

+{

+    REQUEST(xXF86DGAGetVidPageReq);

+    xXF86DGAGetVidPageReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    REQUEST_SIZE_MATCH(xXF86DGAGetVidPageReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.vpage = 0;  /* silently fail */

+

+    WriteToClient(client, SIZEOF(xXF86DGAGetVidPageReply), (char *)&rep);

+    return Success;

+}

+

+

+static int

+ProcXF86DGASetVidPage(ClientPtr client)

+{

+    REQUEST(xXF86DGASetVidPageReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    REQUEST_SIZE_MATCH(xXF86DGASetVidPageReq);

+

+    /* silently fail */

+

+    return Success;

+}

+

+

+static int

+ProcXF86DGAInstallColormap(ClientPtr client)

+{

+    ColormapPtr pcmp;

+    int rc;

+    REQUEST(xXF86DGAInstallColormapReq);

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    if (DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXF86DGAInstallColormapReq);

+

+    if (!DGAActive(stuff->screen))

+	return (DGAErrorBase + XF86DGADirectNotActivated);

+

+    rc = dixLookupResourceByType((pointer *)&pcmp, stuff->id, RT_COLORMAP,

+				 client, DixInstallAccess);

+    if (rc == Success) {

+	DGAInstallCmap(pcmp);

+        return Success;

+    } else {

+        return (rc == BadValue) ? BadColor : rc;

+    }

+}

+

+static int

+ProcXF86DGAQueryDirectVideo(ClientPtr client)

+{

+    REQUEST(xXF86DGAQueryDirectVideoReq);

+    xXF86DGAQueryDirectVideoReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    REQUEST_SIZE_MATCH(xXF86DGAQueryDirectVideoReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.flags = 0;

+

+    if (DGAAvailable(stuff->screen))

+	rep.flags = XF86DGADirectPresent;

+

+    WriteToClient(client, SIZEOF(xXF86DGAQueryDirectVideoReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DGAViewPortChanged(ClientPtr client)

+{

+    REQUEST(xXF86DGAViewPortChangedReq);

+    xXF86DGAViewPortChangedReply rep;

+

+    if (stuff->screen > screenInfo.numScreens)

+	return BadValue;

+

+    if (DGA_GETCLIENT(stuff->screen) != client)

+        return DGAErrorBase + XF86DGADirectNotActivated;

+

+    REQUEST_SIZE_MATCH(xXF86DGAViewPortChangedReq);

+

+    if (!DGAActive(stuff->screen))

+	return (DGAErrorBase + XF86DGADirectNotActivated);

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.result = 1;

+

+    WriteToClient(client, SIZEOF(xXF86DGAViewPortChangedReply), (char *)&rep);

+    return Success;

+}

+

+#endif /* DGA_PROTOCOL_OLD_SUPPORT */

+

+static int

+SProcXDGADispatch (ClientPtr client)

+{

+   return DGAErrorBase + XF86DGAClientNotLocal;

+}

+

+#if 0

+#define DGA_REQ_DEBUG

+#endif

+

+#ifdef DGA_REQ_DEBUG

+static char *dgaMinor[] = {

+    "QueryVersion",

+    "GetVideoLL",

+    "DirectVideo",

+    "GetViewPortSize",

+    "SetViewPort",

+    "GetVidPage",

+    "SetVidPage",

+    "InstallColormap",

+    "QueryDirectVideo",

+    "ViewPortChanged",

+    "10",

+    "11",

+    "QueryModes",

+    "SetMode",

+    "SetViewport",

+    "InstallColormap",

+    "SelectInput",

+    "FillRectangle",

+    "CopyArea",

+    "CopyTransparentArea",

+    "GetViewportStatus",

+    "Sync",

+    "OpenFramebuffer",

+    "CloseFramebuffer",

+    "SetClientVersion",

+    "ChangePixmapMode",

+    "CreateColormap",

+};

+#endif

+

+static int

+ProcXDGADispatch (ClientPtr client)

+{

+    REQUEST(xReq);

+

+    if (!LocalClient(client))

+	return DGAErrorBase + XF86DGAClientNotLocal;

+

+#ifdef DGA_REQ_DEBUG

+    if (stuff->data <= X_XDGACreateColormap)

+	fprintf (stderr, "    DGA %s\n", dgaMinor[stuff->data]);

+#endif

+

+    switch (stuff->data){

+    /*

+     * DGA2 Protocol

+     */

+    case X_XDGAQueryVersion:

+	return ProcXDGAQueryVersion(client);

+    case X_XDGAQueryModes:

+	return ProcXDGAQueryModes(client);

+    case X_XDGASetMode:

+	return ProcXDGASetMode(client);

+    case X_XDGAOpenFramebuffer:

+	return ProcXDGAOpenFramebuffer(client);

+    case X_XDGACloseFramebuffer:

+	return ProcXDGACloseFramebuffer(client);

+    case X_XDGASetViewport:

+	return ProcXDGASetViewport(client);

+    case X_XDGAInstallColormap:

+	return ProcXDGAInstallColormap(client);

+    case X_XDGASelectInput:

+	return ProcXDGASelectInput(client);

+    case X_XDGAFillRectangle:

+	return ProcXDGAFillRectangle(client);

+    case X_XDGACopyArea:

+	return ProcXDGACopyArea(client);

+    case X_XDGACopyTransparentArea:

+	return ProcXDGACopyTransparentArea(client);

+    case X_XDGAGetViewportStatus:

+	return ProcXDGAGetViewportStatus(client);

+    case X_XDGASync:

+	return ProcXDGASync(client);

+    case X_XDGASetClientVersion:

+	return ProcXDGASetClientVersion(client);

+    case X_XDGAChangePixmapMode:

+	return ProcXDGAChangePixmapMode(client);

+    case X_XDGACreateColormap:

+	return ProcXDGACreateColormap(client);

+    /*

+     * Old DGA Protocol

+     */

+#ifdef DGA_PROTOCOL_OLD_SUPPORT

+    case X_XF86DGAGetVideoLL:

+	return ProcXF86DGAGetVideoLL(client);

+    case X_XF86DGADirectVideo:

+	return ProcXF86DGADirectVideo(client);

+    case X_XF86DGAGetViewPortSize:

+	return ProcXF86DGAGetViewPortSize(client);

+    case X_XF86DGASetViewPort:

+	return ProcXF86DGASetViewPort(client);

+    case X_XF86DGAGetVidPage:

+	return ProcXF86DGAGetVidPage(client);

+    case X_XF86DGASetVidPage:

+	return ProcXF86DGASetVidPage(client);

+    case X_XF86DGAInstallColormap:

+	return ProcXF86DGAInstallColormap(client);

+    case X_XF86DGAQueryDirectVideo:

+	return ProcXF86DGAQueryDirectVideo(client);

+    case X_XF86DGAViewPortChanged:

+	return ProcXF86DGAViewPortChanged(client);

+#endif /* DGA_PROTOCOL_OLD_SUPPORT */

+    default:

+	return BadRequest;

+    }

+}

+

+void

+XFree86DGARegister(INITARGS)

+{

+  XDGAEventBase = &DGAEventBase;

+}