diff options
Diffstat (limited to 'xorg-server/damageext')
| -rw-r--r-- | xorg-server/damageext/damageext.c | 1042 |
1 files changed, 521 insertions, 521 deletions
diff --git a/xorg-server/damageext/damageext.c b/xorg-server/damageext/damageext.c index dfd8ebfd0..02db88a8e 100644 --- a/xorg-server/damageext/damageext.c +++ b/xorg-server/damageext/damageext.c @@ -1,521 +1,521 @@ -/*
- * Copyright © 2002 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "damageextint.h"
-#include "protocol-versions.h"
-
-static unsigned char DamageReqCode;
-static int DamageEventBase;
-static RESTYPE DamageExtType;
-static RESTYPE DamageExtWinType;
-
-static DevPrivateKeyRec DamageClientPrivateKeyRec;
-#define DamageClientPrivateKey (&DamageClientPrivateKeyRec)
-
-static void
-DamageExtNotify (DamageExtPtr pDamageExt, BoxPtr pBoxes, int nBoxes)
-{
- ClientPtr pClient = pDamageExt->pClient;
- DamageClientPtr pDamageClient = GetDamageClient (pClient);
- DrawablePtr pDrawable = pDamageExt->pDrawable;
- xDamageNotifyEvent ev;
- int i;
-
- UpdateCurrentTimeIf ();
- ev.type = DamageEventBase + XDamageNotify;
- ev.level = pDamageExt->level;
- ev.drawable = pDamageExt->drawable;
- ev.damage = pDamageExt->id;
- ev.timestamp = currentTime.milliseconds;
- ev.geometry.x = pDrawable->x;
- ev.geometry.y = pDrawable->y;
- ev.geometry.width = pDrawable->width;
- ev.geometry.height = pDrawable->height;
- if (pBoxes)
- {
- for (i = 0; i < nBoxes; i++)
- {
- ev.level = pDamageExt->level;
- if (i < nBoxes - 1)
- ev.level |= DamageNotifyMore;
- ev.area.x = pBoxes[i].x1;
- ev.area.y = pBoxes[i].y1;
- ev.area.width = pBoxes[i].x2 - pBoxes[i].x1;
- ev.area.height = pBoxes[i].y2 - pBoxes[i].y1;
- WriteEventsToClient (pClient, 1, (xEvent *) &ev);
- }
- }
- else
- {
- ev.area.x = 0;
- ev.area.y = 0;
- ev.area.width = pDrawable->width;
- ev.area.height = pDrawable->height;
- WriteEventsToClient (pClient, 1, (xEvent *) &ev);
- }
- /* Composite extension marks clients with manual Subwindows as critical */
- if (pDamageClient->critical > 0)
- {
- SetCriticalOutputPending ();
- pClient->smart_priority = SMART_MAX_PRIORITY;
- }
-}
-
-static void
-DamageExtReport (DamagePtr pDamage, RegionPtr pRegion, void *closure)
-{
- DamageExtPtr pDamageExt = closure;
-
- switch (pDamageExt->level) {
- case DamageReportRawRegion:
- case DamageReportDeltaRegion:
- DamageExtNotify (pDamageExt, RegionRects(pRegion), RegionNumRects(pRegion));
- break;
- case DamageReportBoundingBox:
- DamageExtNotify (pDamageExt, RegionExtents(pRegion), 1);
- break;
- case DamageReportNonEmpty:
- DamageExtNotify (pDamageExt, NullBox, 0);
- break;
- case DamageReportNone:
- break;
- }
-}
-
-static void
-DamageExtDestroy (DamagePtr pDamage, void *closure)
-{
- DamageExtPtr pDamageExt = closure;
-
- pDamageExt->pDamage = 0;
- if (pDamageExt->id)
- FreeResource (pDamageExt->id, RT_NONE);
-}
-
-void
-DamageExtSetCritical (ClientPtr pClient, Bool critical)
-{
- DamageClientPtr pDamageClient = GetDamageClient (pClient);
-
- if (pDamageClient)
- pDamageClient->critical += critical ? 1 : -1;
-}
-
-static int
-ProcDamageQueryVersion(ClientPtr client)
-{
- DamageClientPtr pDamageClient = GetDamageClient (client);
- xDamageQueryVersionReply rep;
- register int n;
- REQUEST(xDamageQueryVersionReq);
-
- REQUEST_SIZE_MATCH(xDamageQueryVersionReq);
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- if (stuff->majorVersion < SERVER_DAMAGE_MAJOR_VERSION) {
- rep.majorVersion = stuff->majorVersion;
- rep.minorVersion = stuff->minorVersion;
- } else {
- rep.majorVersion = SERVER_DAMAGE_MAJOR_VERSION;
- if (stuff->majorVersion == SERVER_DAMAGE_MAJOR_VERSION &&
- stuff->minorVersion < SERVER_DAMAGE_MINOR_VERSION)
- rep.minorVersion = stuff->minorVersion;
- else
- rep.minorVersion = SERVER_DAMAGE_MINOR_VERSION;
- }
- pDamageClient->major_version = rep.majorVersion;
- pDamageClient->minor_version = rep.minorVersion;
- if (client->swapped) {
- swaps(&rep.sequenceNumber, n);
- swapl(&rep.length, n);
- swapl(&rep.majorVersion, n);
- swapl(&rep.minorVersion, n);
- }
- WriteToClient(client, sizeof(xDamageQueryVersionReply), (char *)&rep);
- return Success;
-}
-
-static int
-ProcDamageCreate (ClientPtr client)
-{
- DrawablePtr pDrawable;
- DamageExtPtr pDamageExt;
- DamageReportLevel level;
- RegionPtr pRegion;
- int rc;
-
- REQUEST(xDamageCreateReq);
-
- REQUEST_SIZE_MATCH(xDamageCreateReq);
- LEGAL_NEW_RESOURCE(stuff->damage, client);
- rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
- DixGetAttrAccess|DixReadAccess);
- if (rc != Success)
- return rc;
-
- switch (stuff->level) {
- case XDamageReportRawRectangles:
- level = DamageReportRawRegion;
- break;
- case XDamageReportDeltaRectangles:
- level = DamageReportDeltaRegion;
- break;
- case XDamageReportBoundingBox:
- level = DamageReportBoundingBox;
- break;
- case XDamageReportNonEmpty:
- level = DamageReportNonEmpty;
- break;
- default:
- client->errorValue = stuff->level;
- return BadValue;
- }
-
- pDamageExt = malloc(sizeof (DamageExtRec));
- if (!pDamageExt)
- return BadAlloc;
- pDamageExt->id = stuff->damage;
- pDamageExt->drawable = stuff->drawable;
- pDamageExt->pDrawable = pDrawable;
- pDamageExt->level = level;
- pDamageExt->pClient = client;
- pDamageExt->pDamage = DamageCreate (DamageExtReport,
- DamageExtDestroy,
- level,
- FALSE,
- pDrawable->pScreen,
- pDamageExt);
- if (!pDamageExt->pDamage)
- {
- free(pDamageExt);
- return BadAlloc;
- }
- if (!AddResource (stuff->damage, DamageExtType, (pointer) pDamageExt))
- return BadAlloc;
-
- DamageSetReportAfterOp (pDamageExt->pDamage, TRUE);
- DamageRegister (pDamageExt->pDrawable, pDamageExt->pDamage);
-
- if (pDrawable->type == DRAWABLE_WINDOW)
- {
- pRegion = &((WindowPtr) pDrawable)->borderClip;
- DamageReportDamage(pDamageExt->pDamage, pRegion);
- }
-
- return Success;
-}
-
-static int
-ProcDamageDestroy (ClientPtr client)
-{
- REQUEST(xDamageDestroyReq);
- DamageExtPtr pDamageExt;
-
- REQUEST_SIZE_MATCH(xDamageDestroyReq);
- VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess);
- FreeResource (stuff->damage, RT_NONE);
- return Success;
-}
-
-static int
-ProcDamageSubtract (ClientPtr client)
-{
- REQUEST(xDamageSubtractReq);
- DamageExtPtr pDamageExt;
- RegionPtr pRepair;
- RegionPtr pParts;
-
- REQUEST_SIZE_MATCH(xDamageSubtractReq);
- VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess);
- VERIFY_REGION_OR_NONE(pRepair, stuff->repair, client, DixWriteAccess);
- VERIFY_REGION_OR_NONE(pParts, stuff->parts, client, DixWriteAccess);
-
- if (pDamageExt->level != DamageReportRawRegion)
- {
- DamagePtr pDamage = pDamageExt->pDamage;
- if (pRepair)
- {
- if (pParts)
- RegionIntersect(pParts, DamageRegion (pDamage), pRepair);
- if (DamageSubtract (pDamage, pRepair))
- DamageExtReport (pDamage, DamageRegion (pDamage), (void *) pDamageExt);
- }
- else
- {
- if (pParts)
- RegionCopy(pParts, DamageRegion (pDamage));
- DamageEmpty (pDamage);
- }
- }
- return Success;
-}
-
-static int
-ProcDamageAdd (ClientPtr client)
-{
- REQUEST(xDamageAddReq);
- DrawablePtr pDrawable;
- RegionPtr pRegion;
- int rc;
-
- REQUEST_SIZE_MATCH(xDamageAddReq);
- VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
- rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
- DixWriteAccess);
- if (rc != Success)
- return rc;
-
- /* The region is relative to the drawable origin, so translate it out to
- * screen coordinates like damage expects.
- */
- RegionTranslate(pRegion, pDrawable->x, pDrawable->y);
- DamageDamageRegion(pDrawable, pRegion);
- RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y);
-
- return Success;
-}
-
-/* Major version controls available requests */
-static const int version_requests[] = {
- X_DamageQueryVersion, /* before client sends QueryVersion */
- X_DamageAdd, /* Version 1 */
-};
-
-#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0]))
-
-static int (*ProcDamageVector[XDamageNumberRequests])(ClientPtr) = {
-/*************** Version 1 ******************/
- ProcDamageQueryVersion,
- ProcDamageCreate,
- ProcDamageDestroy,
- ProcDamageSubtract,
-/*************** Version 1.1 ****************/
- ProcDamageAdd,
-};
-
-
-static int
-ProcDamageDispatch (ClientPtr client)
-{
- REQUEST(xDamageReq);
- DamageClientPtr pDamageClient = GetDamageClient (client);
-
- if (pDamageClient->major_version >= NUM_VERSION_REQUESTS)
- return BadRequest;
- if (stuff->damageReqType > version_requests[pDamageClient->major_version])
- return BadRequest;
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int
-SProcDamageQueryVersion(ClientPtr client)
-{
- register int n;
- REQUEST(xDamageQueryVersionReq);
-
- swaps(&stuff->length, n);
- REQUEST_SIZE_MATCH(xDamageQueryVersionReq);
- swapl(&stuff->majorVersion, n);
- swapl(&stuff->minorVersion, n);
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int
-SProcDamageCreate (ClientPtr client)
-{
- register int n;
- REQUEST(xDamageCreateReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xDamageCreateReq);
- swapl (&stuff->damage, n);
- swapl (&stuff->drawable, n);
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int
-SProcDamageDestroy (ClientPtr client)
-{
- register int n;
- REQUEST(xDamageDestroyReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xDamageDestroyReq);
- swapl (&stuff->damage, n);
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int
-SProcDamageSubtract (ClientPtr client)
-{
- register int n;
- REQUEST(xDamageSubtractReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xDamageSubtractReq);
- swapl (&stuff->damage, n);
- swapl (&stuff->repair, n);
- swapl (&stuff->parts, n);
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int
-SProcDamageAdd (ClientPtr client)
-{
- register int n;
- REQUEST(xDamageAddReq);
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xDamageSubtractReq);
- swapl (&stuff->drawable, n);
- swapl (&stuff->region, n);
- return (*ProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static int (*SProcDamageVector[XDamageNumberRequests])(ClientPtr) = {
-/*************** Version 1 ******************/
- SProcDamageQueryVersion,
- SProcDamageCreate,
- SProcDamageDestroy,
- SProcDamageSubtract,
-/*************** Version 1.1 ****************/
- SProcDamageAdd,
-};
-
-static int
-SProcDamageDispatch (ClientPtr client)
-{
- REQUEST(xDamageReq);
- if (stuff->damageReqType >= XDamageNumberRequests)
- return BadRequest;
- return (*SProcDamageVector[stuff->damageReqType]) (client);
-}
-
-static void
-DamageClientCallback (CallbackListPtr *list,
- pointer closure,
- pointer data)
-{
- NewClientInfoRec *clientinfo = (NewClientInfoRec *) data;
- ClientPtr pClient = clientinfo->client;
- DamageClientPtr pDamageClient = GetDamageClient (pClient);
-
- pDamageClient->critical = 0;
- pDamageClient->major_version = 0;
- pDamageClient->minor_version = 0;
-}
-
-/*ARGSUSED*/
-static void
-DamageResetProc (ExtensionEntry *extEntry)
-{
- DeleteCallback (&ClientStateCallback, DamageClientCallback, 0);
-}
-
-static int
-FreeDamageExt (pointer value, XID did)
-{
- DamageExtPtr pDamageExt = (DamageExtPtr) value;
-
- /*
- * Get rid of the resource table entry hanging from the window id
- */
- pDamageExt->id = 0;
- if (WindowDrawable(pDamageExt->pDrawable->type))
- FreeResourceByType (pDamageExt->pDrawable->id, DamageExtWinType, TRUE);
- if (pDamageExt->pDamage)
- {
- DamageUnregister (pDamageExt->pDrawable, pDamageExt->pDamage);
- DamageDestroy (pDamageExt->pDamage);
- }
- free(pDamageExt);
- return Success;
-}
-
-static int
-FreeDamageExtWin (pointer value, XID wid)
-{
- DamageExtPtr pDamageExt = (DamageExtPtr) value;
-
- if (pDamageExt->id)
- FreeResource (pDamageExt->id, RT_NONE);
- return Success;
-}
-
-static void
-SDamageNotifyEvent (xDamageNotifyEvent *from,
- xDamageNotifyEvent *to)
-{
- to->type = from->type;
- cpswaps (from->sequenceNumber, to->sequenceNumber);
- cpswapl (from->drawable, to->drawable);
- cpswapl (from->damage, to->damage);
- cpswaps (from->area.x, to->area.x);
- cpswaps (from->area.y, to->area.y);
- cpswaps (from->area.width, to->area.width);
- cpswaps (from->area.height, to->area.height);
- cpswaps (from->geometry.x, to->geometry.x);
- cpswaps (from->geometry.y, to->geometry.y);
- cpswaps (from->geometry.width, to->geometry.width);
- cpswaps (from->geometry.height, to->geometry.height);
-}
-
-void
-DamageExtensionInit(void)
-{
- ExtensionEntry *extEntry;
- int s;
-
- for (s = 0; s < screenInfo.numScreens; s++)
- DamageSetup (screenInfo.screens[s]);
-
- DamageExtType = CreateNewResourceType (FreeDamageExt, "DamageExt");
- if (!DamageExtType)
- return;
-
- DamageExtWinType = CreateNewResourceType (FreeDamageExtWin, "DamageExtWin");
- if (!DamageExtWinType)
- return;
-
- if (!dixRegisterPrivateKey(&DamageClientPrivateKeyRec, PRIVATE_CLIENT, sizeof (DamageClientRec)))
- return;
-
- if (!AddCallback (&ClientStateCallback, DamageClientCallback, 0))
- return;
-
- if ((extEntry = AddExtension(DAMAGE_NAME, XDamageNumberEvents,
- XDamageNumberErrors,
- ProcDamageDispatch, SProcDamageDispatch,
- DamageResetProc, StandardMinorOpcode)) != 0)
- {
- DamageReqCode = (unsigned char)extEntry->base;
- DamageEventBase = extEntry->eventBase;
- EventSwapVector[DamageEventBase + XDamageNotify] =
- (EventSwapPtr) SDamageNotifyEvent;
- SetResourceTypeErrorValue(DamageExtType, extEntry->errorBase + BadDamage);
- }
-}
+/* + * Copyright © 2002 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "damageextint.h" +#include "protocol-versions.h" + +static unsigned char DamageReqCode; +static int DamageEventBase; +static RESTYPE DamageExtType; +static RESTYPE DamageExtWinType; + +static DevPrivateKeyRec DamageClientPrivateKeyRec; +#define DamageClientPrivateKey (&DamageClientPrivateKeyRec) + +static void +DamageExtNotify (DamageExtPtr pDamageExt, BoxPtr pBoxes, int nBoxes) +{ + ClientPtr pClient = pDamageExt->pClient; + DamageClientPtr pDamageClient = GetDamageClient (pClient); + DrawablePtr pDrawable = pDamageExt->pDrawable; + xDamageNotifyEvent ev; + int i; + + UpdateCurrentTimeIf (); + ev.type = DamageEventBase + XDamageNotify; + ev.level = pDamageExt->level; + ev.drawable = pDamageExt->drawable; + ev.damage = pDamageExt->id; + ev.timestamp = currentTime.milliseconds; + ev.geometry.x = pDrawable->x; + ev.geometry.y = pDrawable->y; + ev.geometry.width = pDrawable->width; + ev.geometry.height = pDrawable->height; + if (pBoxes) + { + for (i = 0; i < nBoxes; i++) + { + ev.level = pDamageExt->level; + if (i < nBoxes - 1) + ev.level |= DamageNotifyMore; + ev.area.x = pBoxes[i].x1; + ev.area.y = pBoxes[i].y1; + ev.area.width = pBoxes[i].x2 - pBoxes[i].x1; + ev.area.height = pBoxes[i].y2 - pBoxes[i].y1; + WriteEventsToClient (pClient, 1, (xEvent *) &ev); + } + } + else + { + ev.area.x = 0; + ev.area.y = 0; + ev.area.width = pDrawable->width; + ev.area.height = pDrawable->height; + WriteEventsToClient (pClient, 1, (xEvent *) &ev); + } + /* Composite extension marks clients with manual Subwindows as critical */ + if (pDamageClient->critical > 0) + { + SetCriticalOutputPending (); + pClient->smart_priority = SMART_MAX_PRIORITY; + } +} + +static void +DamageExtReport (DamagePtr pDamage, RegionPtr pRegion, void *closure) +{ + DamageExtPtr pDamageExt = closure; + + switch (pDamageExt->level) { + case DamageReportRawRegion: + case DamageReportDeltaRegion: + DamageExtNotify (pDamageExt, RegionRects(pRegion), RegionNumRects(pRegion)); + break; + case DamageReportBoundingBox: + DamageExtNotify (pDamageExt, RegionExtents(pRegion), 1); + break; + case DamageReportNonEmpty: + DamageExtNotify (pDamageExt, NullBox, 0); + break; + case DamageReportNone: + break; + } +} + +static void +DamageExtDestroy (DamagePtr pDamage, void *closure) +{ + DamageExtPtr pDamageExt = closure; + + pDamageExt->pDamage = 0; + if (pDamageExt->id) + FreeResource (pDamageExt->id, RT_NONE); +} + +void +DamageExtSetCritical (ClientPtr pClient, Bool critical) +{ + DamageClientPtr pDamageClient = GetDamageClient (pClient); + + if (pDamageClient) + pDamageClient->critical += critical ? 1 : -1; +} + +static int +ProcDamageQueryVersion(ClientPtr client) +{ + DamageClientPtr pDamageClient = GetDamageClient (client); + xDamageQueryVersionReply rep; + register int n; + REQUEST(xDamageQueryVersionReq); + + REQUEST_SIZE_MATCH(xDamageQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + if (stuff->majorVersion < SERVER_DAMAGE_MAJOR_VERSION) { + rep.majorVersion = stuff->majorVersion; + rep.minorVersion = stuff->minorVersion; + } else { + rep.majorVersion = SERVER_DAMAGE_MAJOR_VERSION; + if (stuff->majorVersion == SERVER_DAMAGE_MAJOR_VERSION && + stuff->minorVersion < SERVER_DAMAGE_MINOR_VERSION) + rep.minorVersion = stuff->minorVersion; + else + rep.minorVersion = SERVER_DAMAGE_MINOR_VERSION; + } + pDamageClient->major_version = rep.majorVersion; + pDamageClient->minor_version = rep.minorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xDamageQueryVersionReply), (char *)&rep); + return Success; +} + +static int +ProcDamageCreate (ClientPtr client) +{ + DrawablePtr pDrawable; + DamageExtPtr pDamageExt; + DamageReportLevel level; + RegionPtr pRegion; + int rc; + + REQUEST(xDamageCreateReq); + + REQUEST_SIZE_MATCH(xDamageCreateReq); + LEGAL_NEW_RESOURCE(stuff->damage, client); + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixGetAttrAccess|DixReadAccess); + if (rc != Success) + return rc; + + switch (stuff->level) { + case XDamageReportRawRectangles: + level = DamageReportRawRegion; + break; + case XDamageReportDeltaRectangles: + level = DamageReportDeltaRegion; + break; + case XDamageReportBoundingBox: + level = DamageReportBoundingBox; + break; + case XDamageReportNonEmpty: + level = DamageReportNonEmpty; + break; + default: + client->errorValue = stuff->level; + return BadValue; + } + + pDamageExt = malloc(sizeof (DamageExtRec)); + if (!pDamageExt) + return BadAlloc; + pDamageExt->id = stuff->damage; + pDamageExt->drawable = stuff->drawable; + pDamageExt->pDrawable = pDrawable; + pDamageExt->level = level; + pDamageExt->pClient = client; + pDamageExt->pDamage = DamageCreate (DamageExtReport, + DamageExtDestroy, + level, + FALSE, + pDrawable->pScreen, + pDamageExt); + if (!pDamageExt->pDamage) + { + free(pDamageExt); + return BadAlloc; + } + if (!AddResource (stuff->damage, DamageExtType, (pointer) pDamageExt)) + return BadAlloc; + + DamageSetReportAfterOp (pDamageExt->pDamage, TRUE); + DamageRegister (pDamageExt->pDrawable, pDamageExt->pDamage); + + if (pDrawable->type == DRAWABLE_WINDOW) + { + pRegion = &((WindowPtr) pDrawable)->borderClip; + DamageReportDamage(pDamageExt->pDamage, pRegion); + } + + return Success; +} + +static int +ProcDamageDestroy (ClientPtr client) +{ + REQUEST(xDamageDestroyReq); + DamageExtPtr pDamageExt; + + REQUEST_SIZE_MATCH(xDamageDestroyReq); + VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess); + FreeResource (stuff->damage, RT_NONE); + return Success; +} + +static int +ProcDamageSubtract (ClientPtr client) +{ + REQUEST(xDamageSubtractReq); + DamageExtPtr pDamageExt; + RegionPtr pRepair; + RegionPtr pParts; + + REQUEST_SIZE_MATCH(xDamageSubtractReq); + VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess); + VERIFY_REGION_OR_NONE(pRepair, stuff->repair, client, DixWriteAccess); + VERIFY_REGION_OR_NONE(pParts, stuff->parts, client, DixWriteAccess); + + if (pDamageExt->level != DamageReportRawRegion) + { + DamagePtr pDamage = pDamageExt->pDamage; + if (pRepair) + { + if (pParts) + RegionIntersect(pParts, DamageRegion (pDamage), pRepair); + if (DamageSubtract (pDamage, pRepair)) + DamageExtReport (pDamage, DamageRegion (pDamage), (void *) pDamageExt); + } + else + { + if (pParts) + RegionCopy(pParts, DamageRegion (pDamage)); + DamageEmpty (pDamage); + } + } + return Success; +} + +static int +ProcDamageAdd (ClientPtr client) +{ + REQUEST(xDamageAddReq); + DrawablePtr pDrawable; + RegionPtr pRegion; + int rc; + + REQUEST_SIZE_MATCH(xDamageAddReq); + VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess); + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixWriteAccess); + if (rc != Success) + return rc; + + /* The region is relative to the drawable origin, so translate it out to + * screen coordinates like damage expects. + */ + RegionTranslate(pRegion, pDrawable->x, pDrawable->y); + DamageDamageRegion(pDrawable, pRegion); + RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y); + + return Success; +} + +/* Major version controls available requests */ +static const int version_requests[] = { + X_DamageQueryVersion, /* before client sends QueryVersion */ + X_DamageAdd, /* Version 1 */ +}; + +#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) + +static int (*ProcDamageVector[XDamageNumberRequests])(ClientPtr) = { +/*************** Version 1 ******************/ + ProcDamageQueryVersion, + ProcDamageCreate, + ProcDamageDestroy, + ProcDamageSubtract, +/*************** Version 1.1 ****************/ + ProcDamageAdd, +}; + + +static int +ProcDamageDispatch (ClientPtr client) +{ + REQUEST(xDamageReq); + DamageClientPtr pDamageClient = GetDamageClient (client); + + if (pDamageClient->major_version >= NUM_VERSION_REQUESTS) + return BadRequest; + if (stuff->damageReqType > version_requests[pDamageClient->major_version]) + return BadRequest; + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int +SProcDamageQueryVersion(ClientPtr client) +{ + register int n; + REQUEST(xDamageQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xDamageQueryVersionReq); + swapl(&stuff->majorVersion, n); + swapl(&stuff->minorVersion, n); + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int +SProcDamageCreate (ClientPtr client) +{ + register int n; + REQUEST(xDamageCreateReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xDamageCreateReq); + swapl (&stuff->damage, n); + swapl (&stuff->drawable, n); + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int +SProcDamageDestroy (ClientPtr client) +{ + register int n; + REQUEST(xDamageDestroyReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xDamageDestroyReq); + swapl (&stuff->damage, n); + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int +SProcDamageSubtract (ClientPtr client) +{ + register int n; + REQUEST(xDamageSubtractReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xDamageSubtractReq); + swapl (&stuff->damage, n); + swapl (&stuff->repair, n); + swapl (&stuff->parts, n); + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int +SProcDamageAdd (ClientPtr client) +{ + register int n; + REQUEST(xDamageAddReq); + + swaps (&stuff->length, n); + REQUEST_SIZE_MATCH(xDamageSubtractReq); + swapl (&stuff->drawable, n); + swapl (&stuff->region, n); + return (*ProcDamageVector[stuff->damageReqType]) (client); +} + +static int (*SProcDamageVector[XDamageNumberRequests])(ClientPtr) = { +/*************** Version 1 ******************/ + SProcDamageQueryVersion, + SProcDamageCreate, + SProcDamageDestroy, + SProcDamageSubtract, +/*************** Version 1.1 ****************/ + SProcDamageAdd, +}; + +static int +SProcDamageDispatch (ClientPtr client) +{ + REQUEST(xDamageReq); + if (stuff->damageReqType >= XDamageNumberRequests) + return BadRequest; + return (*SProcDamageVector[stuff->damageReqType]) (client); +} + +static void +DamageClientCallback (CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + DamageClientPtr pDamageClient = GetDamageClient (pClient); + + pDamageClient->critical = 0; + pDamageClient->major_version = 0; + pDamageClient->minor_version = 0; +} + +/*ARGSUSED*/ +static void +DamageResetProc (ExtensionEntry *extEntry) +{ + DeleteCallback (&ClientStateCallback, DamageClientCallback, 0); +} + +static int +FreeDamageExt (pointer value, XID did) +{ + DamageExtPtr pDamageExt = (DamageExtPtr) value; + + /* + * Get rid of the resource table entry hanging from the window id + */ + pDamageExt->id = 0; + if (WindowDrawable(pDamageExt->pDrawable->type)) + FreeResourceByType (pDamageExt->pDrawable->id, DamageExtWinType, TRUE); + if (pDamageExt->pDamage) + { + DamageUnregister (pDamageExt->pDrawable, pDamageExt->pDamage); + DamageDestroy (pDamageExt->pDamage); + } + free(pDamageExt); + return Success; +} + +static int +FreeDamageExtWin (pointer value, XID wid) +{ + DamageExtPtr pDamageExt = (DamageExtPtr) value; + + if (pDamageExt->id) + FreeResource (pDamageExt->id, RT_NONE); + return Success; +} + +static void +SDamageNotifyEvent (xDamageNotifyEvent *from, + xDamageNotifyEvent *to) +{ + to->type = from->type; + cpswaps (from->sequenceNumber, to->sequenceNumber); + cpswapl (from->drawable, to->drawable); + cpswapl (from->damage, to->damage); + cpswaps (from->area.x, to->area.x); + cpswaps (from->area.y, to->area.y); + cpswaps (from->area.width, to->area.width); + cpswaps (from->area.height, to->area.height); + cpswaps (from->geometry.x, to->geometry.x); + cpswaps (from->geometry.y, to->geometry.y); + cpswaps (from->geometry.width, to->geometry.width); + cpswaps (from->geometry.height, to->geometry.height); +} + +void +DamageExtensionInit(void) +{ + ExtensionEntry *extEntry; + int s; + + for (s = 0; s < screenInfo.numScreens; s++) + DamageSetup (screenInfo.screens[s]); + + DamageExtType = CreateNewResourceType (FreeDamageExt, "DamageExt"); + if (!DamageExtType) + return; + + DamageExtWinType = CreateNewResourceType (FreeDamageExtWin, "DamageExtWin"); + if (!DamageExtWinType) + return; + + if (!dixRegisterPrivateKey(&DamageClientPrivateKeyRec, PRIVATE_CLIENT, sizeof (DamageClientRec))) + return; + + if (!AddCallback (&ClientStateCallback, DamageClientCallback, 0)) + return; + + if ((extEntry = AddExtension(DAMAGE_NAME, XDamageNumberEvents, + XDamageNumberErrors, + ProcDamageDispatch, SProcDamageDispatch, + DamageResetProc, StandardMinorOpcode)) != 0) + { + DamageReqCode = (unsigned char)extEntry->base; + DamageEventBase = extEntry->eventBase; + EventSwapVector[DamageEventBase + XDamageNotify] = + (EventSwapPtr) SDamageNotifyEvent; + SetResourceTypeErrorValue(DamageExtType, extEntry->errorBase + BadDamage); + } +} |