mi: Deobfuscate miOverlayWindowExposures
Reviewed-by: Julien Cristau <jcristau@debian.org> Signed-off-by: Adam Jackson <ajax@redhat.com>
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@ -983,28 +983,19 @@ miOverlayWindowExposures(WindowPtr pWin, RegionPtr prgn)
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{
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RegionPtr exposures = prgn;
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if ((prgn && !RegionNil(prgn)) || (exposures && !RegionNil(exposures))) {
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if (prgn && !RegionNil(prgn)) {
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RegionRec expRec;
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int clientInterested;
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clientInterested = (pWin->eventMask | wOtherEventMasks(pWin)) &
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ExposureMask;
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if (clientInterested && exposures &&
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(RegionNumRects(exposures) > RECTLIMIT)) {
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int clientInterested =
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(pWin->eventMask | wOtherEventMasks(pWin)) & ExposureMask;
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if (clientInterested && (RegionNumRects(prgn) > RECTLIMIT)) {
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ScreenPtr pScreen = pWin->drawable.pScreen;
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miOverlayScreenPtr pPriv = MIOVERLAY_GET_SCREEN_PRIVATE(pScreen);
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BoxRec box;
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box = *RegionExtents(exposures);
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if (exposures == prgn) {
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exposures = &expRec;
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RegionInit(exposures, &box, 1);
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RegionReset(prgn, &box);
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}
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else {
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RegionReset(exposures, &box);
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RegionUnion(prgn, prgn, exposures);
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}
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box = *RegionExtents(prgn);
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exposures = &expRec;
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RegionInit(exposures, &box, 1);
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RegionReset(prgn, &box);
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/* This is the only reason why we are replacing mi's version
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of this file */
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@ -1016,21 +1007,14 @@ miOverlayWindowExposures(WindowPtr pWin, RegionPtr prgn)
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else
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RegionIntersect(prgn, prgn, &pWin->clipList);
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}
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if (prgn && !RegionNil(prgn))
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miPaintWindow(pWin, prgn, PW_BACKGROUND);
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if (clientInterested && exposures && !RegionNil(exposures))
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miPaintWindow(pWin, prgn, PW_BACKGROUND);
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if (clientInterested)
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miSendExposures(pWin, exposures,
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pWin->drawable.x, pWin->drawable.y);
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if (exposures == &expRec) {
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if (exposures == &expRec)
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RegionUninit(exposures);
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}
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else if (exposures && exposures != prgn)
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RegionDestroy(exposures);
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if (prgn)
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RegionEmpty(prgn);
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RegionEmpty(prgn);
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}
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else if (exposures && exposures != prgn)
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RegionDestroy(exposures);
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}
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typedef struct {
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