756 lines
18 KiB
C
756 lines
18 KiB
C
/*
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Copyright (c) 1999 - The XFree86 Project Inc.
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Written by Mark Vojkovich
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*/
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#define NEED_REPLIES
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#define NEED_EVENTS
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "misc.h"
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#include "dixstruct.h"
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#include "dixevents.h"
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#include "pixmapstr.h"
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#include "extnsionst.h"
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#include "colormapst.h"
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#include "cursorstr.h"
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#include "scrnintstr.h"
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#include "servermd.h"
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#define _XF86DGA_SERVER_
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#include <X11/extensions/xf86dga.h>
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#include <X11/extensions/xf86dgastr.h>
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#include "swaprep.h"
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#include "dgaproc.h"
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#include "xf86dgaext.h"
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#include <string.h>
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#include "modinit.h"
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static DISPATCH_PROC(ProcXDGADispatch);
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static DISPATCH_PROC(SProcXDGADispatch);
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static DISPATCH_PROC(ProcXDGAQueryVersion);
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static DISPATCH_PROC(ProcXDGAQueryModes);
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static DISPATCH_PROC(ProcXDGASetMode);
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static DISPATCH_PROC(ProcXDGAOpenFramebuffer);
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static DISPATCH_PROC(ProcXDGACloseFramebuffer);
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static DISPATCH_PROC(ProcXDGASetViewport);
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static DISPATCH_PROC(ProcXDGAInstallColormap);
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static DISPATCH_PROC(ProcXDGASelectInput);
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static DISPATCH_PROC(ProcXDGAFillRectangle);
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static DISPATCH_PROC(ProcXDGACopyArea);
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static DISPATCH_PROC(ProcXDGACopyTransparentArea);
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static DISPATCH_PROC(ProcXDGAGetViewportStatus);
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static DISPATCH_PROC(ProcXDGASync);
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static DISPATCH_PROC(ProcXDGASetClientVersion);
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static DISPATCH_PROC(ProcXDGAChangePixmapMode);
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static DISPATCH_PROC(ProcXDGACreateColormap);
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static void XDGAResetProc(ExtensionEntry *extEntry);
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static void DGAClientStateChange (CallbackListPtr*, pointer, pointer);
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static ClientPtr DGAClients[MAXSCREENS];
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unsigned char DGAReqCode = 0;
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int DGAErrorBase;
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int DGAEventBase;
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static int DGAClientPrivateKeyIndex;
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static DevPrivateKey DGAClientPrivateKey = &DGAClientPrivateKeyIndex;
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static int DGACallbackRefCount = 0;
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/* This holds the client's version information */
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typedef struct {
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int major;
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int minor;
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} DGAPrivRec, *DGAPrivPtr;
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#define DGA_GETPRIV(c) ((DGAPrivPtr) \
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dixLookupPrivate(&(c)->devPrivates, DGAClientPrivateKey))
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#define DGA_SETPRIV(c,p) \
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dixSetPrivate(&(c)->devPrivates, DGAClientPrivateKey, p)
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void
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XFree86DGAExtensionInit(INITARGS)
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{
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ExtensionEntry* extEntry;
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if ((extEntry = AddExtension(XF86DGANAME,
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XF86DGANumberEvents,
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XF86DGANumberErrors,
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ProcXDGADispatch,
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SProcXDGADispatch,
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XDGAResetProc,
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StandardMinorOpcode))) {
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int i;
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for(i = 0; i < MAXSCREENS; i++)
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DGAClients[i] = NULL;
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DGAReqCode = (unsigned char)extEntry->base;
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DGAErrorBase = extEntry->errorBase;
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DGAEventBase = extEntry->eventBase;
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for (i = KeyPress; i <= MotionNotify; i++)
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SetCriticalEvent (DGAEventBase + i);
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}
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}
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static void
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XDGAResetProc (ExtensionEntry *extEntry)
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{
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DeleteCallback (&ClientStateCallback, DGAClientStateChange, NULL);
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DGACallbackRefCount = 0;
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}
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static int
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ProcXDGAQueryVersion(ClientPtr client)
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{
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xXDGAQueryVersionReply rep;
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REQUEST_SIZE_MATCH(xXDGAQueryVersionReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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rep.majorVersion = XDGA_MAJOR_VERSION;
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rep.minorVersion = XDGA_MINOR_VERSION;
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WriteToClient(client, sizeof(xXDGAQueryVersionReply), (char *)&rep);
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return (client->noClientException);
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}
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static int
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ProcXDGAOpenFramebuffer(ClientPtr client)
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{
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REQUEST(xXDGAOpenFramebufferReq);
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xXDGAOpenFramebufferReply rep;
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char *deviceName;
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int nameSize;
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if (!DGAAvailable(stuff->screen))
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return DGAErrorBase + XF86DGANoDirectVideoMode;
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REQUEST_SIZE_MATCH(xXDGAOpenFramebufferReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.sequenceNumber = client->sequence;
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if(!DGAOpenFramebuffer(stuff->screen, &deviceName,
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(unsigned char**)(&rep.mem1),
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(int*)&rep.size, (int*)&rep.offset, (int*)&rep.extra))
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{
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return BadAlloc;
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}
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nameSize = deviceName ? (strlen(deviceName) + 1) : 0;
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rep.length = (nameSize + 3) >> 2;
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WriteToClient(client, sizeof(xXDGAOpenFramebufferReply), (char *)&rep);
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if(rep.length)
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WriteToClient(client, nameSize, deviceName);
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return (client->noClientException);
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}
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static int
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ProcXDGACloseFramebuffer(ClientPtr client)
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{
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REQUEST(xXDGACloseFramebufferReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if (!DGAAvailable(stuff->screen))
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return DGAErrorBase + XF86DGANoDirectVideoMode;
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REQUEST_SIZE_MATCH(xXDGACloseFramebufferReq);
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DGACloseFramebuffer(stuff->screen);
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return (client->noClientException);
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}
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static int
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ProcXDGAQueryModes(ClientPtr client)
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{
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int i, num, size;
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REQUEST(xXDGAQueryModesReq);
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xXDGAQueryModesReply rep;
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xXDGAModeInfo info;
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XDGAModePtr mode;
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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REQUEST_SIZE_MATCH(xXDGAQueryModesReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.number = 0;
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rep.sequenceNumber = client->sequence;
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if (!DGAAvailable(stuff->screen)) {
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rep.number = 0;
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rep.length = 0;
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WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
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return (client->noClientException);
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}
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if(!(num = DGAGetModes(stuff->screen))) {
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WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
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return (client->noClientException);
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}
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if(!(mode = (XDGAModePtr)xalloc(num * sizeof(XDGAModeRec))))
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return BadAlloc;
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for(i = 0; i < num; i++)
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DGAGetModeInfo(stuff->screen, mode + i, i + 1);
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size = num * sz_xXDGAModeInfo;
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for(i = 0; i < num; i++)
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size += (strlen(mode[i].name) + 4) & ~3L; /* plus NULL */
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rep.number = num;
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rep.length = size >> 2;
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WriteToClient(client, sz_xXDGAQueryModesReply, (char*)&rep);
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for(i = 0; i < num; i++) {
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size = strlen(mode[i].name) + 1;
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info.byte_order = mode[i].byteOrder;
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info.depth = mode[i].depth;
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info.num = mode[i].num;
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info.bpp = mode[i].bitsPerPixel;
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info.name_size = (size + 3) & ~3L;
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info.vsync_num = mode[i].VSync_num;
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info.vsync_den = mode[i].VSync_den;
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info.flags = mode[i].flags;
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info.image_width = mode[i].imageWidth;
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info.image_height = mode[i].imageHeight;
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info.pixmap_width = mode[i].pixmapWidth;
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info.pixmap_height = mode[i].pixmapHeight;
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info.bytes_per_scanline = mode[i].bytesPerScanline;
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info.red_mask = mode[i].red_mask;
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info.green_mask = mode[i].green_mask;
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info.blue_mask = mode[i].blue_mask;
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info.visual_class = mode[i].visualClass;
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info.viewport_width = mode[i].viewportWidth;
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info.viewport_height = mode[i].viewportHeight;
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info.viewport_xstep = mode[i].xViewportStep;
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info.viewport_ystep = mode[i].yViewportStep;
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info.viewport_xmax = mode[i].maxViewportX;
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info.viewport_ymax = mode[i].maxViewportY;
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info.viewport_flags = mode[i].viewportFlags;
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info.reserved1 = mode[i].reserved1;
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info.reserved2 = mode[i].reserved2;
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WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));
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WriteToClient(client, size, mode[i].name);
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}
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xfree(mode);
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return (client->noClientException);
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}
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static void
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DGAClientStateChange (
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CallbackListPtr* pcbl,
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pointer nulldata,
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pointer calldata
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){
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NewClientInfoRec* pci = (NewClientInfoRec*) calldata;
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ClientPtr client = NULL;
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int i;
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for(i = 0; i < screenInfo.numScreens; i++) {
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if(DGAClients[i] == pci->client) {
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client = pci->client;
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break;
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}
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}
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if(client &&
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((client->clientState == ClientStateGone) ||
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(client->clientState == ClientStateRetained))) {
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XDGAModeRec mode;
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PixmapPtr pPix;
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DGAClients[i] = NULL;
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DGASelectInput(i, NULL, 0);
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DGASetMode(i, 0, &mode, &pPix);
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if(--DGACallbackRefCount == 0)
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DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
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}
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}
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static int
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ProcXDGASetMode(ClientPtr client)
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{
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REQUEST(xXDGASetModeReq);
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xXDGASetModeReply rep;
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XDGAModeRec mode;
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xXDGAModeInfo info;
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PixmapPtr pPix;
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int size;
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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REQUEST_SIZE_MATCH(xXDGASetModeReq);
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rep.type = X_Reply;
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rep.length = 0;
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rep.offset = 0;
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rep.flags = 0;
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rep.sequenceNumber = client->sequence;
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if (!DGAAvailable(stuff->screen))
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return DGAErrorBase + XF86DGANoDirectVideoMode;
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if(DGAClients[stuff->screen] &&
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(DGAClients[stuff->screen] != client))
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return DGAErrorBase + XF86DGANoDirectVideoMode;
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if(!stuff->mode) {
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if(DGAClients[stuff->screen]) {
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if(--DGACallbackRefCount == 0)
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DeleteCallback(&ClientStateCallback, DGAClientStateChange, NULL);
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}
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DGAClients[stuff->screen] = NULL;
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DGASelectInput(stuff->screen, NULL, 0);
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DGASetMode(stuff->screen, 0, &mode, &pPix);
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WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);
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return (client->noClientException);
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}
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if(Success != DGASetMode(stuff->screen, stuff->mode, &mode, &pPix))
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return BadValue;
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if(!DGAClients[stuff->screen]) {
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if(DGACallbackRefCount++ == 0)
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AddCallback (&ClientStateCallback, DGAClientStateChange, NULL);
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}
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DGAClients[stuff->screen] = client;
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if(pPix) {
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if(AddResource(stuff->pid, RT_PIXMAP, (pointer)(pPix))) {
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pPix->drawable.id = (int)stuff->pid;
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rep.flags = DGA_PIXMAP_AVAILABLE;
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}
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}
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size = strlen(mode.name) + 1;
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info.byte_order = mode.byteOrder;
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info.depth = mode.depth;
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info.num = mode.num;
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info.bpp = mode.bitsPerPixel;
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info.name_size = (size + 3) & ~3L;
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info.vsync_num = mode.VSync_num;
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info.vsync_den = mode.VSync_den;
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info.flags = mode.flags;
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info.image_width = mode.imageWidth;
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info.image_height = mode.imageHeight;
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info.pixmap_width = mode.pixmapWidth;
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info.pixmap_height = mode.pixmapHeight;
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info.bytes_per_scanline = mode.bytesPerScanline;
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info.red_mask = mode.red_mask;
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info.green_mask = mode.green_mask;
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info.blue_mask = mode.blue_mask;
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info.visual_class = mode.visualClass;
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info.viewport_width = mode.viewportWidth;
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info.viewport_height = mode.viewportHeight;
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info.viewport_xstep = mode.xViewportStep;
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info.viewport_ystep = mode.yViewportStep;
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info.viewport_xmax = mode.maxViewportX;
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info.viewport_ymax = mode.maxViewportY;
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info.viewport_flags = mode.viewportFlags;
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info.reserved1 = mode.reserved1;
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info.reserved2 = mode.reserved2;
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rep.length = (sz_xXDGAModeInfo + info.name_size) >> 2;
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WriteToClient(client, sz_xXDGASetModeReply, (char*)&rep);
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WriteToClient(client, sz_xXDGAModeInfo, (char*)(&info));
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WriteToClient(client, size, mode.name);
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return (client->noClientException);
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}
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static int
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ProcXDGASetViewport(ClientPtr client)
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{
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REQUEST(xXDGASetViewportReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGASetViewportReq);
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DGASetViewport(stuff->screen, stuff->x, stuff->y, stuff->flags);
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return (client->noClientException);
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}
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static int
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ProcXDGAInstallColormap(ClientPtr client)
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{
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ColormapPtr cmap;
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REQUEST(xXDGAInstallColormapReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGAInstallColormapReq);
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cmap = (ColormapPtr)LookupIDByType(stuff->cmap, RT_COLORMAP);
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if (cmap) {
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DGAInstallCmap(cmap);
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return (client->noClientException);
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} else {
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client->errorValue = stuff->cmap;
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return (BadColor);
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}
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return (client->noClientException);
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}
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static int
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ProcXDGASelectInput(ClientPtr client)
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{
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REQUEST(xXDGASelectInputReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGASelectInputReq);
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if(DGAClients[stuff->screen] == client)
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DGASelectInput(stuff->screen, client, stuff->mask);
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return (client->noClientException);
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}
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static int
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ProcXDGAFillRectangle(ClientPtr client)
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{
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REQUEST(xXDGAFillRectangleReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGAFillRectangleReq);
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if(Success != DGAFillRect(stuff->screen, stuff->x, stuff->y,
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stuff->width, stuff->height, stuff->color))
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return BadMatch;
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return (client->noClientException);
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}
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static int
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ProcXDGACopyArea(ClientPtr client)
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{
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REQUEST(xXDGACopyAreaReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGACopyAreaReq);
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if(Success != DGABlitRect(stuff->screen, stuff->srcx, stuff->srcy,
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stuff->width, stuff->height, stuff->dstx, stuff->dsty))
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return BadMatch;
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return (client->noClientException);
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}
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static int
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ProcXDGACopyTransparentArea(ClientPtr client)
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{
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REQUEST(xXDGACopyTransparentAreaReq);
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if (stuff->screen > screenInfo.numScreens)
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return BadValue;
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if(DGAClients[stuff->screen] != client)
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return DGAErrorBase + XF86DGADirectNotActivated;
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REQUEST_SIZE_MATCH(xXDGACopyTransparentAreaReq);
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if(Success != DGABlitTransRect(stuff->screen, stuff->srcx, stuff->srcy,
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stuff->width, stuff->height, stuff->dstx, stuff->dsty, stuff->key))
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return BadMatch;
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return (client->noClientException);
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}
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static int
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ProcXDGAGetViewportStatus(ClientPtr client)
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{
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REQUEST(xXDGAGetViewportStatusReq);
|
|
xXDGAGetViewportStatusReply rep;
|
|
|
|
if (stuff->screen > screenInfo.numScreens)
|
|
return BadValue;
|
|
|
|
if(DGAClients[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(DGAClients[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(DGAClients[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(DGAClients[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);
|
|
}
|
|
|
|
|
|
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
|
|
|
|
/* divert old protocol */
|
|
#if 1
|
|
if( (stuff->data <= X_XF86DGAViewPortChanged) &&
|
|
(stuff->data >= X_XF86DGAGetVideoLL))
|
|
return ProcXF86DGADispatch(client);
|
|
#endif
|
|
|
|
switch (stuff->data){
|
|
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);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
void
|
|
XFree86DGARegister(INITARGS)
|
|
{
|
|
XDGAEventBase = &DGAEventBase;
|
|
}
|