diff options
Diffstat (limited to 'xorg-server/dix/dispatch.c')
| -rw-r--r-- | xorg-server/dix/dispatch.c | 52 |
1 files changed, 48 insertions, 4 deletions
diff --git a/xorg-server/dix/dispatch.c b/xorg-server/dix/dispatch.c index f7a08f82e..74abecd67 100644 --- a/xorg-server/dix/dispatch.c +++ b/xorg-server/dix/dispatch.c @@ -1597,6 +1597,52 @@ ProcClearToBackground(ClientPtr client) return Success; } +/* send GraphicsExpose events, or a NoExpose event, based on the region */ +void +SendGraphicsExpose(ClientPtr client, RegionPtr pRgn, XID drawable, + int major, int minor) +{ + if (pRgn && !RegionNil(pRgn)) { + xEvent *pEvent; + xEvent *pe; + BoxPtr pBox; + int i; + int numRects; + + numRects = RegionNumRects(pRgn); + pBox = RegionRects(pRgn); + if (!(pEvent = calloc(numRects, sizeof(xEvent)))) + return; + pe = pEvent; + + for (i = 1; i <= numRects; i++, pe++, pBox++) { + pe->u.u.type = GraphicsExpose; + pe->u.graphicsExposure.drawable = drawable; + pe->u.graphicsExposure.x = pBox->x1; + pe->u.graphicsExposure.y = pBox->y1; + pe->u.graphicsExposure.width = pBox->x2 - pBox->x1; + pe->u.graphicsExposure.height = pBox->y2 - pBox->y1; + pe->u.graphicsExposure.count = numRects - i; + pe->u.graphicsExposure.majorEvent = major; + pe->u.graphicsExposure.minorEvent = minor; + } + /* GraphicsExpose is a "critical event", which TryClientEvents + * handles specially. */ + TryClientEvents(client, NULL, pEvent, numRects, + (Mask) 0, NoEventMask, NullGrab); + free(pEvent); + } + else { + xEvent event = { + .u.noExposure.drawable = drawable, + .u.noExposure.majorEvent = major, + .u.noExposure.minorEvent = minor + }; + event.u.u.type = NoExpose; + WriteEventsToClient(client, 1, &event); + } +} + int ProcCopyArea(ClientPtr client) { @@ -1628,8 +1674,7 @@ ProcCopyArea(ClientPtr client) stuff->width, stuff->height, stuff->dstX, stuff->dstY); if (pGC->graphicsExposures) { - (*pDst->pScreen->SendGraphicsExpose) - (client, pRgn, stuff->dstDrawable, X_CopyArea, 0); + SendGraphicsExpose(client, pRgn, stuff->dstDrawable, X_CopyArea, 0); if (pRgn) RegionDestroy(pRgn); } @@ -1676,8 +1721,7 @@ ProcCopyPlane(ClientPtr client) stuff->srcY, stuff->width, stuff->height, stuff->dstX, stuff->dstY, stuff->bitPlane); if (pGC->graphicsExposures) { - (*pdstDraw->pScreen->SendGraphicsExpose) - (client, pRgn, stuff->dstDrawable, X_CopyPlane, 0); + SendGraphicsExpose(client, pRgn, stuff->dstDrawable, X_CopyPlane, 0); if (pRgn) RegionDestroy(pRgn); } |