f10f36d91d
v7: Don't bother making resources for the backing listeners. [keithp] This is now slightly unlike how other resources are xineramified. We create N+1 internal damage listeners, one that's a real resource and reflects the protocol view, and then one per backend screen where the report function piles onto the protocol view. The internal listeners are not stored in the resource database directly, they just hang off the xinerama resource. We don't wrap Subtract at the dispatch level, but we do extend it for the Xinerama case to clip to the root window geometry. As a result of the N+1 design here, the damage reports we generate are not quite minimal. However they are indistinguishable from sequential rendering events happening before the client hears damage, and we don't need to add a post-dispatch callback just for this one extension. Add is probably (still) somewhat broken since it will only hit screen 0, but Add really only exists for DRI1's sake, and DRI1 disables itself with Xinerama enabled anyway. In the absence of a use case, I'm leaving it unwrapped under Xinerama; if someone wants to define how it ought to work, be my guest. Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Adam Jackson <ajax@redhat.com>
74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* Copyright © 2002 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL 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
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifndef _DAMAGEEXTINT_H_
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#define _DAMAGEEXTINT_H_
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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 "os.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include <X11/extensions/damageproto.h>
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#include "windowstr.h"
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#include "selection.h"
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#include "scrnintstr.h"
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#include "damage.h"
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#include "xfixes.h"
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typedef struct _DamageClient {
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CARD32 major_version;
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CARD32 minor_version;
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int critical;
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} DamageClientRec, *DamageClientPtr;
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#define GetDamageClient(pClient) ((DamageClientPtr)dixLookupPrivate(&(pClient)->devPrivates, DamageClientPrivateKey))
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typedef struct _DamageExt {
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DamagePtr pDamage;
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DrawablePtr pDrawable;
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DamageReportLevel level;
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ClientPtr pClient;
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XID id;
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XID drawable;
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} DamageExtRec, *DamageExtPtr;
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#define VERIFY_DAMAGEEXT(pDamageExt, rid, client, mode) { \
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int rc = dixLookupResourceByType((pointer *)&(pDamageExt), rid, \
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DamageExtType, client, mode); \
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if (rc != Success) \
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return rc; \
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}
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void
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DamageExtSetCritical(ClientPtr pClient, Bool critical);
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void PanoramiXDamageInit(void);
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void PanoramiXDamageReset(void);
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#endif /* _DAMAGEEXTINT_H_ */
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