746 lines
20 KiB
C
746 lines
20 KiB
C
/*
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* Copyright © 2002 Keith Packard
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* Copyright 2013 Red Hat, Inc.
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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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#include <dix-config.h>
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#include "dix/dix_priv.h"
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#include "miext/extinit_priv.h"
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#include "damageextint.h"
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#include "damagestr.h"
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#include "protocol-versions.h"
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#include "dixstruct_priv.h"
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#ifdef PANORAMIX
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#include "panoramiX.h"
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#include "panoramiXsrv.h"
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typedef struct {
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DamageExtPtr ext;
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DamagePtr damage[MAXSCREENS];
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} PanoramiXDamageRes;
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static RESTYPE XRT_DAMAGE;
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static int damageUseXinerama = 0;
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static int PanoramiXDamageCreate(ClientPtr client, xDamageCreateReq *stuff);
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#endif
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static unsigned char DamageReqCode;
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static int DamageEventBase;
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static RESTYPE DamageExtType;
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static DevPrivateKeyRec DamageClientPrivateKeyRec;
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#define DamageClientPrivateKey (&DamageClientPrivateKeyRec)
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Bool noDamageExtension = FALSE;
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static void
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DamageNoteCritical(ClientPtr pClient)
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{
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DamageClientPtr pDamageClient = GetDamageClient(pClient);
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/* Composite extension marks clients with manual Subwindows as critical */
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if (pDamageClient->critical > 0) {
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SetCriticalOutputPending();
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pClient->smart_priority = SMART_MAX_PRIORITY;
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}
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}
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static void
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damageGetGeometry(DrawablePtr draw, int *x, int *y, int *w, int *h)
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{
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#ifdef PANORAMIX
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if (!noPanoramiXExtension && draw->type == DRAWABLE_WINDOW) {
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WindowPtr win = (WindowPtr)draw;
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if (!win->parent) {
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*x = screenInfo.x;
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*y = screenInfo.y;
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*w = screenInfo.width;
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*h = screenInfo.height;
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return;
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}
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}
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#endif
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*x = draw->x;
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*y = draw->y;
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*w = draw->width;
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*h = draw->height;
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}
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static void
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DamageExtNotify(DamageExtPtr pDamageExt, BoxPtr pBoxes, int nBoxes)
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{
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ClientPtr pClient = pDamageExt->pClient;
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DrawablePtr pDrawable = pDamageExt->pDrawable;
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int i, x, y, w, h;
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damageGetGeometry(pDrawable, &x, &y, &w, &h);
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UpdateCurrentTimeIf();
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xDamageNotifyEvent ev = {
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.type = DamageEventBase + XDamageNotify,
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.level = pDamageExt->level,
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.drawable = pDamageExt->drawable,
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.damage = pDamageExt->id,
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.timestamp = currentTime.milliseconds,
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.geometry.x = x,
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.geometry.y = y,
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.geometry.width = w,
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.geometry.height = h
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};
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if (pBoxes) {
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for (i = 0; i < nBoxes; i++) {
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ev.level = pDamageExt->level;
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if (i < nBoxes - 1)
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ev.level |= DamageNotifyMore;
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ev.area.x = pBoxes[i].x1;
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ev.area.y = pBoxes[i].y1;
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ev.area.width = pBoxes[i].x2 - pBoxes[i].x1;
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ev.area.height = pBoxes[i].y2 - pBoxes[i].y1;
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WriteEventsToClient(pClient, 1, (xEvent *) &ev);
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}
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}
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else {
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ev.area.x = 0;
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ev.area.y = 0;
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ev.area.width = w;
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ev.area.height = h;
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WriteEventsToClient(pClient, 1, (xEvent *) &ev);
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}
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DamageNoteCritical(pClient);
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}
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static void
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DamageExtReport(DamagePtr pDamage, RegionPtr pRegion, void *closure)
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{
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DamageExtPtr pDamageExt = closure;
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switch (pDamageExt->level) {
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case DamageReportRawRegion:
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case DamageReportDeltaRegion:
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DamageExtNotify(pDamageExt, RegionRects(pRegion),
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RegionNumRects(pRegion));
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break;
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case DamageReportBoundingBox:
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DamageExtNotify(pDamageExt, RegionExtents(pRegion), 1);
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break;
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case DamageReportNonEmpty:
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DamageExtNotify(pDamageExt, NullBox, 0);
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break;
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case DamageReportNone:
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break;
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}
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}
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static void
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DamageExtDestroy(DamagePtr pDamage, void *closure)
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{
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DamageExtPtr pDamageExt = closure;
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pDamageExt->pDamage = 0;
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if (pDamageExt->id)
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FreeResource(pDamageExt->id, X11_RESTYPE_NONE);
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}
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void
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DamageExtSetCritical(ClientPtr pClient, Bool critical)
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{
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DamageClientPtr pDamageClient = GetDamageClient(pClient);
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if (pDamageClient)
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pDamageClient->critical += critical ? 1 : -1;
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}
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static int
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ProcDamageQueryVersion(ClientPtr client)
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{
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DamageClientPtr pDamageClient = GetDamageClient(client);
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xDamageQueryVersionReply rep = {
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.type = X_Reply,
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.sequenceNumber = client->sequence,
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};
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REQUEST(xDamageQueryVersionReq);
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REQUEST_SIZE_MATCH(xDamageQueryVersionReq);
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if (stuff->majorVersion < SERVER_DAMAGE_MAJOR_VERSION) {
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rep.majorVersion = stuff->majorVersion;
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rep.minorVersion = stuff->minorVersion;
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}
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else {
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rep.majorVersion = SERVER_DAMAGE_MAJOR_VERSION;
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if (stuff->majorVersion == SERVER_DAMAGE_MAJOR_VERSION &&
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stuff->minorVersion < SERVER_DAMAGE_MINOR_VERSION)
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rep.minorVersion = stuff->minorVersion;
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else
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rep.minorVersion = SERVER_DAMAGE_MINOR_VERSION;
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}
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pDamageClient->major_version = rep.majorVersion;
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pDamageClient->minor_version = rep.minorVersion;
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if (client->swapped) {
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swaps(&rep.sequenceNumber);
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swapl(&rep.length);
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swapl(&rep.majorVersion);
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swapl(&rep.minorVersion);
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}
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WriteToClient(client, sizeof(xDamageQueryVersionReply), &rep);
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return Success;
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}
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static void
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DamageExtRegister(DrawablePtr pDrawable, DamagePtr pDamage, Bool report)
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{
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DamageSetReportAfterOp(pDamage, TRUE);
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DamageRegister(pDrawable, pDamage);
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if (report) {
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RegionPtr pRegion = &((WindowPtr) pDrawable)->borderClip;
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RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y);
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DamageReportDamage(pDamage, pRegion);
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RegionTranslate(pRegion, pDrawable->x, pDrawable->y);
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}
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}
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static DamageExtPtr
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DamageExtCreate(DrawablePtr pDrawable, DamageReportLevel level,
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ClientPtr client, XID id, XID drawable)
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{
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DamageExtPtr pDamageExt = malloc(sizeof(DamageExtRec));
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if (!pDamageExt)
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return NULL;
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pDamageExt->id = id;
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pDamageExt->drawable = drawable;
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pDamageExt->pDrawable = pDrawable;
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pDamageExt->level = level;
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pDamageExt->pClient = client;
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pDamageExt->pDamage = DamageCreate(DamageExtReport, DamageExtDestroy, level,
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FALSE, pDrawable->pScreen, pDamageExt);
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if (!pDamageExt->pDamage) {
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free(pDamageExt);
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return NULL;
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}
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if (!AddResource(id, DamageExtType, (void *) pDamageExt))
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return NULL;
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DamageExtRegister(pDrawable, pDamageExt->pDamage,
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pDrawable->type == DRAWABLE_WINDOW);
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return pDamageExt;
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}
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static DamageExtPtr
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doDamageCreate(ClientPtr client, int *rc, xDamageCreateReq *stuff)
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{
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DrawablePtr pDrawable;
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DamageExtPtr pDamageExt;
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DamageReportLevel level;
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*rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
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DixGetAttrAccess | DixReadAccess);
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if (*rc != Success)
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return NULL;
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switch (stuff->level) {
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case XDamageReportRawRectangles:
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level = DamageReportRawRegion;
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break;
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case XDamageReportDeltaRectangles:
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level = DamageReportDeltaRegion;
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break;
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case XDamageReportBoundingBox:
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level = DamageReportBoundingBox;
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break;
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case XDamageReportNonEmpty:
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level = DamageReportNonEmpty;
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break;
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default:
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client->errorValue = stuff->level;
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*rc = BadValue;
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return NULL;
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}
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pDamageExt = DamageExtCreate(pDrawable, level, client, stuff->damage,
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stuff->drawable);
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if (!pDamageExt)
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*rc = BadAlloc;
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return pDamageExt;
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}
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static int
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ProcDamageCreate(ClientPtr client)
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{
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int rc;
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REQUEST(xDamageCreateReq);
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REQUEST_SIZE_MATCH(xDamageCreateReq);
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#ifdef PANORAMIX
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if (damageUseXinerama)
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return PanoramiXDamageCreate(client, stuff);
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#endif
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LEGAL_NEW_RESOURCE(stuff->damage, client);
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doDamageCreate(client, &rc, stuff);
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return rc;
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}
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static int
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ProcDamageDestroy(ClientPtr client)
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{
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REQUEST(xDamageDestroyReq);
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DamageExtPtr pDamageExt;
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REQUEST_SIZE_MATCH(xDamageDestroyReq);
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VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess);
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FreeResource(stuff->damage, X11_RESTYPE_NONE);
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return Success;
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}
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#ifdef PANORAMIX
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static RegionPtr
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DamageExtSubtractWindowClip(DamageExtPtr pDamageExt)
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{
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WindowPtr win = (WindowPtr)pDamageExt->pDrawable;
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PanoramiXRes *res = NULL;
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RegionPtr ret;
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int i;
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if (!win->parent)
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return &PanoramiXScreenRegion;
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dixLookupResourceByType((void **)&res, win->drawable.id, XRT_WINDOW,
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serverClient, DixReadAccess);
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if (!res)
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return NULL;
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ret = RegionCreate(NULL, 0);
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if (!ret)
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return NULL;
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FOR_NSCREENS_FORWARD(i) {
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ScreenPtr screen;
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if (Success != dixLookupWindow(&win, res->info[i].id, serverClient,
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DixReadAccess))
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goto out;
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screen = win->drawable.pScreen;
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RegionTranslate(ret, -screen->x, -screen->y);
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if (!RegionUnion(ret, ret, &win->borderClip))
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goto out;
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RegionTranslate(ret, screen->x, screen->y);
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}
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return ret;
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out:
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RegionDestroy(ret);
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return NULL;
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}
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static void
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DamageExtFreeWindowClip(RegionPtr reg)
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{
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if (reg != &PanoramiXScreenRegion)
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RegionDestroy(reg);
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}
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#endif
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/*
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* DamageSubtract intersects with borderClip, so we must reconstruct the
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* protocol's perspective of same...
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*/
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static Bool
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DamageExtSubtract(DamageExtPtr pDamageExt, const RegionPtr pRegion)
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{
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DamagePtr pDamage = pDamageExt->pDamage;
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#ifdef PANORAMIX
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if (!noPanoramiXExtension) {
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RegionPtr damage = DamageRegion(pDamage);
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RegionSubtract(damage, damage, pRegion);
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if (pDamageExt->pDrawable->type == DRAWABLE_WINDOW) {
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DrawablePtr pDraw = pDamageExt->pDrawable;
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RegionPtr clip = DamageExtSubtractWindowClip(pDamageExt);
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if (clip) {
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RegionTranslate(clip, -pDraw->x, -pDraw->y);
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RegionIntersect(damage, damage, clip);
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RegionTranslate(clip, pDraw->x, pDraw->y);
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DamageExtFreeWindowClip(clip);
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}
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}
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return RegionNotEmpty(damage);
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}
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#endif
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return DamageSubtract(pDamage, pRegion);
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}
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static int
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ProcDamageSubtract(ClientPtr client)
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{
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REQUEST(xDamageSubtractReq);
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DamageExtPtr pDamageExt;
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RegionPtr pRepair;
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RegionPtr pParts;
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REQUEST_SIZE_MATCH(xDamageSubtractReq);
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VERIFY_DAMAGEEXT(pDamageExt, stuff->damage, client, DixWriteAccess);
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VERIFY_REGION_OR_NONE(pRepair, stuff->repair, client, DixWriteAccess);
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VERIFY_REGION_OR_NONE(pParts, stuff->parts, client, DixWriteAccess);
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if (pDamageExt->level != DamageReportRawRegion) {
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DamagePtr pDamage = pDamageExt->pDamage;
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if (pRepair) {
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if (pParts)
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RegionIntersect(pParts, DamageRegion(pDamage), pRepair);
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if (DamageExtSubtract(pDamageExt, pRepair))
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DamageExtReport(pDamage, DamageRegion(pDamage),
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(void *) pDamageExt);
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}
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else {
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if (pParts)
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RegionCopy(pParts, DamageRegion(pDamage));
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DamageEmpty(pDamage);
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}
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}
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return Success;
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}
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static int
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ProcDamageAdd(ClientPtr client)
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{
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REQUEST(xDamageAddReq);
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DrawablePtr pDrawable;
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RegionPtr pRegion;
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int rc;
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REQUEST_SIZE_MATCH(xDamageAddReq);
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VERIFY_REGION(pRegion, stuff->region, client, DixWriteAccess);
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rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
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DixWriteAccess);
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if (rc != Success)
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return rc;
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|
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/* The region is relative to the drawable origin, so translate it out to
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* screen coordinates like damage expects.
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*/
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RegionTranslate(pRegion, pDrawable->x, pDrawable->y);
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DamageDamageRegion(pDrawable, pRegion);
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RegionTranslate(pRegion, -pDrawable->x, -pDrawable->y);
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return Success;
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}
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|
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static int
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ProcDamageDispatch(ClientPtr client)
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{
|
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REQUEST(xReq);
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switch (stuff->data) {
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/* version 1 */
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case X_DamageQueryVersion:
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return ProcDamageQueryVersion(client);
|
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case X_DamageCreate:
|
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return ProcDamageCreate(client);
|
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case X_DamageDestroy:
|
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return ProcDamageDestroy(client);
|
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case X_DamageSubtract:
|
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return ProcDamageSubtract(client);
|
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/* version 1.1 */
|
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case X_DamageAdd:
|
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return ProcDamageAdd(client);
|
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default:
|
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return BadRequest;
|
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}
|
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}
|
|
|
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static int _X_COLD
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SProcDamageQueryVersion(ClientPtr client)
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{
|
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REQUEST(xDamageQueryVersionReq);
|
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REQUEST_SIZE_MATCH(xDamageQueryVersionReq);
|
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swapl(&stuff->majorVersion);
|
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swapl(&stuff->minorVersion);
|
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return ProcDamageQueryVersion(client);
|
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}
|
|
|
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static int _X_COLD
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SProcDamageCreate(ClientPtr client)
|
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{
|
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REQUEST(xDamageCreateReq);
|
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REQUEST_SIZE_MATCH(xDamageCreateReq);
|
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swapl(&stuff->damage);
|
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swapl(&stuff->drawable);
|
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return ProcDamageCreate(client);
|
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}
|
|
|
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static int _X_COLD
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SProcDamageDestroy(ClientPtr client)
|
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{
|
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REQUEST(xDamageDestroyReq);
|
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REQUEST_SIZE_MATCH(xDamageDestroyReq);
|
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swapl(&stuff->damage);
|
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return ProcDamageDestroy(client);
|
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}
|
|
|
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static int _X_COLD
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SProcDamageSubtract(ClientPtr client)
|
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{
|
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REQUEST(xDamageSubtractReq);
|
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REQUEST_SIZE_MATCH(xDamageSubtractReq);
|
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swapl(&stuff->damage);
|
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swapl(&stuff->repair);
|
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swapl(&stuff->parts);
|
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return ProcDamageSubtract(client);
|
|
}
|
|
|
|
static int _X_COLD
|
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SProcDamageAdd(ClientPtr client)
|
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{
|
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REQUEST(xDamageAddReq);
|
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REQUEST_SIZE_MATCH(xDamageSubtractReq);
|
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swapl(&stuff->drawable);
|
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swapl(&stuff->region);
|
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return ProcDamageAdd(client);
|
|
}
|
|
|
|
static int _X_COLD
|
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SProcDamageDispatch(ClientPtr client)
|
|
{
|
|
REQUEST(xReq);
|
|
switch (stuff->data) {
|
|
/* version 1 */
|
|
case X_DamageQueryVersion:
|
|
return SProcDamageQueryVersion(client);
|
|
case X_DamageCreate:
|
|
return SProcDamageCreate(client);
|
|
case X_DamageDestroy:
|
|
return SProcDamageDestroy(client);
|
|
case X_DamageSubtract:
|
|
return SProcDamageSubtract(client);
|
|
/* version 1.1 */
|
|
case X_DamageAdd:
|
|
return SProcDamageAdd(client);
|
|
default:
|
|
return BadRequest;
|
|
}
|
|
}
|
|
|
|
static int
|
|
FreeDamageExt(void *value, XID did)
|
|
{
|
|
DamageExtPtr pDamageExt = (DamageExtPtr) value;
|
|
|
|
/*
|
|
* Get rid of the resource table entry hanging from the window id
|
|
*/
|
|
pDamageExt->id = 0;
|
|
if (pDamageExt->pDamage) {
|
|
DamageDestroy(pDamageExt->pDamage);
|
|
}
|
|
free(pDamageExt);
|
|
return Success;
|
|
}
|
|
|
|
static void _X_COLD
|
|
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);
|
|
}
|
|
|
|
#ifdef PANORAMIX
|
|
|
|
static void
|
|
PanoramiXDamageReport(DamagePtr pDamage, RegionPtr pRegion, void *closure)
|
|
{
|
|
PanoramiXDamageRes *res = closure;
|
|
DamageExtPtr pDamageExt = res->ext;
|
|
WindowPtr pWin = (WindowPtr)pDamage->pDrawable;
|
|
ScreenPtr pScreen = pDamage->pScreen;
|
|
|
|
/* happens on unmap? sigh xinerama */
|
|
if (RegionNil(pRegion))
|
|
return;
|
|
|
|
/* translate root windows if necessary */
|
|
if (!pWin->parent)
|
|
RegionTranslate(pRegion, pScreen->x, pScreen->y);
|
|
|
|
/* add our damage to the protocol view */
|
|
DamageReportDamage(pDamageExt->pDamage, pRegion);
|
|
|
|
/* empty our view */
|
|
DamageEmpty(pDamage);
|
|
}
|
|
|
|
static void
|
|
PanoramiXDamageExtDestroy(DamagePtr pDamage, void *closure)
|
|
{
|
|
PanoramiXDamageRes *damage = closure;
|
|
damage->damage[pDamage->pScreen->myNum] = NULL;
|
|
}
|
|
|
|
static int
|
|
PanoramiXDamageCreate(ClientPtr client, xDamageCreateReq *stuff)
|
|
{
|
|
PanoramiXDamageRes *damage;
|
|
PanoramiXRes *draw;
|
|
int i, rc;
|
|
|
|
LEGAL_NEW_RESOURCE(stuff->damage, client);
|
|
rc = dixLookupResourceByClass((void **)&draw, stuff->drawable, XRC_DRAWABLE,
|
|
client, DixGetAttrAccess | DixReadAccess);
|
|
if (rc != Success)
|
|
return rc;
|
|
|
|
if (!(damage = calloc(1, sizeof(PanoramiXDamageRes))))
|
|
return BadAlloc;
|
|
|
|
if (!AddResource(stuff->damage, XRT_DAMAGE, damage))
|
|
return BadAlloc;
|
|
|
|
damage->ext = doDamageCreate(client, &rc, stuff);
|
|
if (rc == Success && draw->type == XRT_WINDOW) {
|
|
FOR_NSCREENS_FORWARD(i) {
|
|
DrawablePtr pDrawable;
|
|
DamagePtr pDamage = DamageCreate(PanoramiXDamageReport,
|
|
PanoramiXDamageExtDestroy,
|
|
DamageReportRawRegion,
|
|
FALSE,
|
|
screenInfo.screens[i],
|
|
damage);
|
|
if (!pDamage) {
|
|
rc = BadAlloc;
|
|
} else {
|
|
damage->damage[i] = pDamage;
|
|
rc = dixLookupDrawable(&pDrawable, draw->info[i].id, client,
|
|
M_WINDOW,
|
|
DixGetAttrAccess | DixReadAccess);
|
|
}
|
|
if (rc != Success)
|
|
break;
|
|
|
|
DamageExtRegister(pDrawable, pDamage, i != 0);
|
|
}
|
|
}
|
|
|
|
if (rc != Success)
|
|
FreeResource(stuff->damage, X11_RESTYPE_NONE);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
PanoramiXDamageDelete(void *res, XID id)
|
|
{
|
|
int i;
|
|
PanoramiXDamageRes *damage = res;
|
|
|
|
FOR_NSCREENS_BACKWARD(i) {
|
|
if (damage->damage[i]) {
|
|
DamageDestroy(damage->damage[i]);
|
|
damage->damage[i] = NULL;
|
|
}
|
|
}
|
|
|
|
free(damage);
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
PanoramiXDamageInit(void)
|
|
{
|
|
XRT_DAMAGE = CreateNewResourceType(PanoramiXDamageDelete, "XineramaDamage");
|
|
if (!XRT_DAMAGE)
|
|
FatalError("Couldn't Xineramify Damage extension\n");
|
|
|
|
damageUseXinerama = 1;
|
|
}
|
|
|
|
void
|
|
PanoramiXDamageReset(void)
|
|
{
|
|
damageUseXinerama = 0;
|
|
}
|
|
|
|
#endif /* PANORAMIX */
|
|
|
|
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;
|
|
|
|
if (!dixRegisterPrivateKey
|
|
(&DamageClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(DamageClientRec)))
|
|
return;
|
|
|
|
if ((extEntry = AddExtension(DAMAGE_NAME, XDamageNumberEvents,
|
|
XDamageNumberErrors,
|
|
ProcDamageDispatch, SProcDamageDispatch,
|
|
NULL, StandardMinorOpcode)) != 0) {
|
|
DamageReqCode = (unsigned char) extEntry->base;
|
|
DamageEventBase = extEntry->eventBase;
|
|
EventSwapVector[DamageEventBase + XDamageNotify] =
|
|
(EventSwapPtr) SDamageNotifyEvent;
|
|
SetResourceTypeErrorValue(DamageExtType,
|
|
extEntry->errorBase + BadDamage);
|
|
#ifdef PANORAMIX
|
|
if (XRT_DAMAGE)
|
|
SetResourceTypeErrorValue(XRT_DAMAGE,
|
|
extEntry->errorBase + BadDamage);
|
|
#endif
|
|
}
|
|
}
|