666 lines
17 KiB
C
666 lines
17 KiB
C
/*
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* Copyright © 2008 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Soft-
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* ware"), to deal in the Software without restriction, including without
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* limitation the rights to use, copy, modify, merge, publish, distribute,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, provided that the above copyright
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* notice(s) and this permission notice appear in all copies of the Soft-
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* ware and that both the above copyright notice(s) and this permission
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* notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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* ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY
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* RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN
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* THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE-
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* QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR-
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* MANCE OF THIS SOFTWARE.
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*
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* Except as contained in this notice, the name of a copyright holder shall
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* not be used in advertising or otherwise to promote the sale, use or
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* other dealings in this Software without prior written authorization of
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* the copyright holder.
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*
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* Authors:
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* Kristian Høgsberg (krh@redhat.com)
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*/
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#include <stdio.h>
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#include <X11/Xlibint.h>
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#include <X11/extensions/Xext.h>
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#include <X11/extensions/extutil.h>
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#include <X11/extensions/dri2proto.h>
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#include "dri2.h"
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/* Allow the build to work with an older versions of dri2proto.h and
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* dri2tokens.h.
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*/
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#if DRI2_MINOR < 1
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#undef DRI2_MINOR
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#define DRI2_MINOR 1
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#define X_DRI2GetBuffersWithFormat 7
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#endif
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static char dri2ExtensionName[] = DRI2_NAME;
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static XExtensionInfo *dri2Info;
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static XEXT_GENERATE_CLOSE_DISPLAY (DRI2CloseDisplay, dri2Info)
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static Bool
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DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire);
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static Status
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DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire);
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static int
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DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code);
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static /* const */ XExtensionHooks dri2ExtensionHooks = {
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NULL, /* create_gc */
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NULL, /* copy_gc */
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NULL, /* flush_gc */
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NULL, /* free_gc */
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NULL, /* create_font */
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NULL, /* free_font */
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DRI2CloseDisplay, /* close_display */
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DRI2WireToEvent, /* wire_to_event */
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DRI2EventToWire, /* event_to_wire */
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DRI2Error, /* error */
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NULL, /* error_string */
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};
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static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay,
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dri2Info,
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dri2ExtensionName,
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&dri2ExtensionHooks,
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0, NULL)
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static Bool
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DRI2WireToEvent(Display *dpy, XEvent *event, xEvent *wire)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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switch ((wire->u.u.type & 0x7f) - info->codes->first_event) {
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#ifdef X_DRI2SwapBuffers
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case DRI2_BufferSwapComplete:
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/* Ignore swap events if we're not looking for them */
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printf("BufferSwapComplete\n");
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return False;
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#endif
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#ifdef DRI2_InvalidateBuffers
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case DRI2_InvalidateBuffers:
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printf("InvalidateBuffers\n");
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return False;
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#endif
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default:
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/* client doesn't support server event */
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break;
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}
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return False;
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}
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/* We don't actually support this. It doesn't make sense for clients to
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* send each other DRI2 events.
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*/
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static Status
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DRI2EventToWire(Display *dpy, XEvent *event, xEvent *wire)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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switch (event->type) {
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default:
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/* client doesn't support server event */
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break;
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}
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return Success;
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}
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static int
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DRI2Error(Display *display, xError *err, XExtCodes *codes, int *ret_code)
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{
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if (err->majorCode == codes->major_opcode &&
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err->errorCode == BadDrawable &&
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err->minorCode == X_DRI2CopyRegion)
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return True;
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/* If the X drawable was destroyed before the GLX drawable, the
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* DRI2 drawble will be gone by the time we call
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* DRI2DestroyDrawable. So just ignore BadDrawable here. */
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if (err->majorCode == codes->major_opcode &&
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err->errorCode == BadDrawable &&
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err->minorCode == X_DRI2DestroyDrawable)
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return True;
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/* If the server is non-local DRI2Connect will raise BadRequest.
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* Swallow this so that DRI2Connect can signal this in its return code */
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if (err->majorCode == codes->major_opcode &&
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err->minorCode == X_DRI2Connect &&
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err->errorCode == BadRequest) {
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*ret_code = False;
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return True;
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}
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return False;
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}
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Bool
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DRI2QueryExtension(Display * dpy, int *eventBase, int *errorBase)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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if (XextHasExtension(info)) {
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*eventBase = info->codes->first_event;
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*errorBase = info->codes->first_error;
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return True;
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}
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return False;
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}
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Bool
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DRI2QueryVersion(Display * dpy, int *major, int *minor)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2QueryVersionReply rep;
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xDRI2QueryVersionReq *req;
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int i, nevents;
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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LockDisplay(dpy);
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GetReq(DRI2QueryVersion, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2QueryVersion;
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req->majorVersion = DRI2_MAJOR;
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req->minorVersion = DRI2_MINOR;
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if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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*major = rep.majorVersion;
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*minor = rep.minorVersion;
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UnlockDisplay(dpy);
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SyncHandle();
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switch (rep.minorVersion) {
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case 1:
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nevents = 0;
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break;
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case 2:
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nevents = 1;
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break;
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case 3:
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default:
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nevents = 2;
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break;
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}
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for (i = 0; i < nevents; i++) {
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XESetWireToEvent (dpy, info->codes->first_event + i, DRI2WireToEvent);
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XESetEventToWire (dpy, info->codes->first_event + i, DRI2EventToWire);
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}
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return True;
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}
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Bool
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DRI2Connect(Display * dpy, XID window, char **driverName, char **deviceName)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2ConnectReply rep;
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xDRI2ConnectReq *req;
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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LockDisplay(dpy);
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GetReq(DRI2Connect, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2Connect;
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req->window = window;
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req->driverType = DRI2DriverDRI;
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if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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*driverName = Xmalloc(rep.driverNameLength + 1);
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if (*driverName == NULL) {
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_XEatData(dpy,
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((rep.driverNameLength + 3) & ~3) +
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((rep.deviceNameLength + 3) & ~3));
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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_XReadPad(dpy, *driverName, rep.driverNameLength);
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(*driverName)[rep.driverNameLength] = '\0';
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*deviceName = Xmalloc(rep.deviceNameLength + 1);
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if (*deviceName == NULL) {
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Xfree(*driverName);
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_XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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_XReadPad(dpy, *deviceName, rep.deviceNameLength);
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(*deviceName)[rep.deviceNameLength] = '\0';
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UnlockDisplay(dpy);
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SyncHandle();
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return True;
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}
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Bool
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DRI2Authenticate(Display * dpy, XID window, unsigned int magic)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2AuthenticateReq *req;
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xDRI2AuthenticateReply rep;
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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LockDisplay(dpy);
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GetReq(DRI2Authenticate, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2Authenticate;
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req->window = window;
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req->magic = magic;
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if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return False;
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}
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UnlockDisplay(dpy);
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SyncHandle();
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return rep.authenticated;
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}
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void
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DRI2CreateDrawable(Display * dpy, XID drawable)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2CreateDrawableReq *req;
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XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
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LockDisplay(dpy);
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GetReq(DRI2CreateDrawable, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2CreateDrawable;
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req->drawable = drawable;
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UnlockDisplay(dpy);
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SyncHandle();
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}
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void
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DRI2DestroyDrawable(Display * dpy, XID drawable)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2DestroyDrawableReq *req;
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XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
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XSync(dpy, False);
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LockDisplay(dpy);
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GetReq(DRI2DestroyDrawable, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2DestroyDrawable;
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req->drawable = drawable;
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UnlockDisplay(dpy);
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SyncHandle();
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}
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DRI2Buffer *
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DRI2GetBuffers(Display * dpy, XID drawable,
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int *width, int *height,
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unsigned int *attachments, int count, int *outCount)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2GetBuffersReply rep;
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xDRI2GetBuffersReq *req;
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DRI2Buffer *buffers;
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xDRI2Buffer repBuffer;
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uint32_t *p;
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int i;
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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LockDisplay(dpy);
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GetReqExtra(DRI2GetBuffers, count * 4, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2GetBuffers;
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req->drawable = drawable;
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req->count = count;
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p = (uint32_t *) & req[1];
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for (i = 0; i < count; i++)
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p[i] = attachments[i];
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if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return NULL;
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}
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*width = rep.width;
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*height = rep.height;
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*outCount = rep.count;
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buffers = Xmalloc(rep.count * sizeof buffers[0]);
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if (buffers == NULL) {
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_XEatData(dpy, rep.count * sizeof repBuffer);
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UnlockDisplay(dpy);
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SyncHandle();
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return NULL;
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}
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for (i = 0; i < rep.count; i++) {
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_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
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buffers[i].attachment = repBuffer.attachment;
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buffers[i].name = repBuffer.name;
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buffers[i].pitch = repBuffer.pitch;
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buffers[i].cpp = repBuffer.cpp;
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buffers[i].flags = repBuffer.flags;
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}
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UnlockDisplay(dpy);
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SyncHandle();
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return buffers;
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}
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DRI2Buffer *
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DRI2GetBuffersWithFormat(Display * dpy, XID drawable,
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int *width, int *height,
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unsigned int *attachments, int count, int *outCount)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2GetBuffersReply rep;
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xDRI2GetBuffersReq *req;
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DRI2Buffer *buffers;
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xDRI2Buffer repBuffer;
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uint32_t *p;
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int i;
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XextCheckExtension(dpy, info, dri2ExtensionName, False);
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LockDisplay(dpy);
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GetReqExtra(DRI2GetBuffers, count * (4 * 2), req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2GetBuffersWithFormat;
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req->drawable = drawable;
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req->count = count;
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p = (uint32_t *) & req[1];
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for (i = 0; i < (count * 2); i++)
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p[i] = attachments[i];
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if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
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UnlockDisplay(dpy);
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SyncHandle();
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return NULL;
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}
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*width = rep.width;
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*height = rep.height;
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*outCount = rep.count;
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buffers = Xmalloc(rep.count * sizeof buffers[0]);
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if (buffers == NULL) {
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_XEatData(dpy, rep.count * sizeof repBuffer);
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UnlockDisplay(dpy);
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SyncHandle();
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return NULL;
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}
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for (i = 0; i < rep.count; i++) {
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_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
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buffers[i].attachment = repBuffer.attachment;
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buffers[i].name = repBuffer.name;
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buffers[i].pitch = repBuffer.pitch;
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buffers[i].cpp = repBuffer.cpp;
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buffers[i].flags = repBuffer.flags;
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}
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UnlockDisplay(dpy);
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SyncHandle();
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return buffers;
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}
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void
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DRI2CopyRegion(Display * dpy, XID drawable, XserverRegion region,
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uint32_t dest, uint32_t src)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2CopyRegionReq *req;
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xDRI2CopyRegionReply rep;
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XextSimpleCheckExtension(dpy, info, dri2ExtensionName);
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LockDisplay(dpy);
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GetReq(DRI2CopyRegion, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2CopyRegion;
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req->drawable = drawable;
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req->region = region;
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req->dest = dest;
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req->src = src;
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(void) _XReply(dpy, (xReply *) & rep, 0, xFalse);
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UnlockDisplay(dpy);
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SyncHandle();
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}
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#ifdef X_DRI2SwapBuffers
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static void
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load_swap_req(xDRI2SwapBuffersReq *req, uint64_t target, uint64_t divisor,
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uint64_t remainder)
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{
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req->target_msc_hi = target >> 32;
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req->target_msc_lo = target & 0xffffffff;
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req->divisor_hi = divisor >> 32;
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req->divisor_lo = divisor & 0xffffffff;
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req->remainder_hi = remainder >> 32;
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req->remainder_lo = remainder & 0xffffffff;
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}
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static uint64_t
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vals_to_card64(uint32_t lo, uint32_t hi)
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{
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return (uint64_t)hi << 32 | lo;
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}
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uint64_t DRI2SwapBuffers(Display *dpy, XID drawable,
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uint64_t target_msc, uint64_t divisor, uint64_t remainder)
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{
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XExtDisplayInfo *info = DRI2FindDisplay(dpy);
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xDRI2SwapBuffersReq *req;
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xDRI2SwapBuffersReply rep;
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uint64_t count;
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XextCheckExtension (dpy, info, dri2ExtensionName, 0);
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LockDisplay(dpy);
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GetReq(DRI2SwapBuffers, req);
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req->reqType = info->codes->major_opcode;
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req->dri2ReqType = X_DRI2SwapBuffers;
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req->drawable = drawable;
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load_swap_req(req, target_msc, divisor, remainder);
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(void) _XReply(dpy, (xReply *)&rep, 0, xFalse);
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count = vals_to_card64(rep.swap_lo, rep.swap_hi);
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UnlockDisplay(dpy);
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SyncHandle();
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return count;
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}
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#endif
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#ifdef X_DRI2GetMSC
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Bool DRI2GetMSC(Display *dpy, XID drawable, uint64_t *ust, uint64_t *msc,
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uint64_t *sbc)
|
|
{
|
|
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
|
|
xDRI2GetMSCReq *req;
|
|
xDRI2MSCReply rep;
|
|
|
|
XextCheckExtension (dpy, info, dri2ExtensionName, False);
|
|
|
|
LockDisplay(dpy);
|
|
GetReq(DRI2GetMSC, req);
|
|
req->reqType = info->codes->major_opcode;
|
|
req->dri2ReqType = X_DRI2GetMSC;
|
|
req->drawable = drawable;
|
|
|
|
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
return False;
|
|
}
|
|
|
|
*ust = vals_to_card64(rep.ust_lo, rep.ust_hi);
|
|
*msc = vals_to_card64(rep.msc_lo, rep.msc_hi);
|
|
*sbc = vals_to_card64(rep.sbc_lo, rep.sbc_hi);
|
|
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
|
|
return True;
|
|
}
|
|
#endif
|
|
|
|
#ifdef X_DRI2WaitMSC
|
|
static void
|
|
load_msc_req(xDRI2WaitMSCReq *req, uint64_t target, uint64_t divisor,
|
|
uint64_t remainder)
|
|
{
|
|
req->target_msc_hi = target >> 32;
|
|
req->target_msc_lo = target & 0xffffffff;
|
|
req->divisor_hi = divisor >> 32;
|
|
req->divisor_lo = divisor & 0xffffffff;
|
|
req->remainder_hi = remainder >> 32;
|
|
req->remainder_lo = remainder & 0xffffffff;
|
|
}
|
|
|
|
Bool DRI2WaitMSC(Display *dpy, XID drawable, uint64_t target_msc, uint64_t divisor,
|
|
uint64_t remainder, uint64_t *ust, uint64_t *msc, uint64_t *sbc)
|
|
{
|
|
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
|
|
xDRI2WaitMSCReq *req;
|
|
xDRI2MSCReply rep;
|
|
|
|
XextCheckExtension (dpy, info, dri2ExtensionName, False);
|
|
|
|
LockDisplay(dpy);
|
|
GetReq(DRI2WaitMSC, req);
|
|
req->reqType = info->codes->major_opcode;
|
|
req->dri2ReqType = X_DRI2WaitMSC;
|
|
req->drawable = drawable;
|
|
load_msc_req(req, target_msc, divisor, remainder);
|
|
|
|
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
return False;
|
|
}
|
|
|
|
*ust = ((uint64_t)rep.ust_hi << 32) | (uint64_t)rep.ust_lo;
|
|
*msc = ((uint64_t)rep.msc_hi << 32) | (uint64_t)rep.msc_lo;
|
|
*sbc = ((uint64_t)rep.sbc_hi << 32) | (uint64_t)rep.sbc_lo;
|
|
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
|
|
return True;
|
|
}
|
|
#endif
|
|
|
|
#ifdef X_DRI2WaitSBC
|
|
static void
|
|
load_sbc_req(xDRI2WaitSBCReq *req, uint64_t target)
|
|
{
|
|
req->target_sbc_hi = target >> 32;
|
|
req->target_sbc_lo = target & 0xffffffff;
|
|
}
|
|
|
|
Bool DRI2WaitSBC(Display *dpy, XID drawable, uint64_t target_sbc, uint64_t *ust,
|
|
uint64_t *msc, uint64_t *sbc)
|
|
{
|
|
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
|
|
xDRI2WaitSBCReq *req;
|
|
xDRI2MSCReply rep;
|
|
|
|
XextCheckExtension (dpy, info, dri2ExtensionName, False);
|
|
|
|
LockDisplay(dpy);
|
|
GetReq(DRI2WaitSBC, req);
|
|
req->reqType = info->codes->major_opcode;
|
|
req->dri2ReqType = X_DRI2WaitSBC;
|
|
req->drawable = drawable;
|
|
load_sbc_req(req, target_sbc);
|
|
|
|
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
return False;
|
|
}
|
|
|
|
*ust = ((uint64_t)rep.ust_hi << 32) | rep.ust_lo;
|
|
*msc = ((uint64_t)rep.msc_hi << 32) | rep.msc_lo;
|
|
*sbc = ((uint64_t)rep.sbc_hi << 32) | rep.sbc_lo;
|
|
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
|
|
return True;
|
|
}
|
|
#endif
|
|
|
|
#ifdef X_DRI2SwapInterval
|
|
void DRI2SwapInterval(Display *dpy, XID drawable, int interval)
|
|
{
|
|
XExtDisplayInfo *info = DRI2FindDisplay(dpy);
|
|
xDRI2SwapIntervalReq *req;
|
|
|
|
XextSimpleCheckExtension (dpy, info, dri2ExtensionName);
|
|
|
|
LockDisplay(dpy);
|
|
GetReq(DRI2SwapInterval, req);
|
|
req->reqType = info->codes->major_opcode;
|
|
req->dri2ReqType = X_DRI2SwapInterval;
|
|
req->drawable = drawable;
|
|
req->interval = interval;
|
|
UnlockDisplay(dpy);
|
|
SyncHandle();
|
|
}
|
|
#endif
|