/* * Compute the visibility of a shaped window */ int miShapedWindowIn (RegionPtr universe, RegionPtr bounding, BoxPtr rect, int x, int y) { BoxRec box; BoxPtr boundBox; int nbox; Bool someIn, someOut; int t, x1, y1, x2, y2; nbox = RegionNumRects (bounding); boundBox = RegionRects (bounding); someIn = someOut = FALSE; x1 = rect->x1; y1 = rect->y1; x2 = rect->x2; y2 = rect->y2; while (nbox--) { if ((t = boundBox->x1 + x) < x1) t = x1; box.x1 = t; if ((t = boundBox->y1 + y) < y1) t = y1; box.y1 = t; if ((t = boundBox->x2 + x) > x2) t = x2; box.x2 = t; if ((t = boundBox->y2 + y) > y2) t = y2; box.y2 = t; if (box.x1 > box.x2) box.x2 = box.x1; if (box.y1 > box.y2) box.y2 = box.y1; switch (RegionContainsRect(universe, &box)) { case rgnIN: if (someOut) return rgnPART; someIn = TRUE; break; case rgnOUT: if (someIn) return rgnPART; someOut = TRUE; break; default: return rgnPART; } boundBox++; } if (someIn) return rgnIN; return rgnOUT; }
static bool fbGlyphIn(GCPtr gc, int x, int y, int width, int height) { BoxRec box; BoxPtr extents = RegionExtents(gc->pCompositeClip); /* * Check extents by hand to avoid 16 bit overflows */ if (x < (int) extents->x1 || (int) extents->x2 < x + width) return FALSE; if (y < (int) extents->y1 || (int) extents->y2 < y + height) return FALSE; box.x1 = x; box.x2 = x + width; box.y1 = y; box.y2 = y + height; return RegionContainsRect(gc->pCompositeClip, &box) == rgnIN; }
Bool fbGlyphIn(RegionPtr pRegion, int x, int y, int width, int height) { BoxRec box; BoxPtr pExtents = RegionExtents(pRegion); /* * Check extents by hand to avoid 16 bit overflows */ if (x < (int) pExtents->x1) return FALSE; if ((int) pExtents->x2 < x + width) return FALSE; if (y < (int) pExtents->y1) return FALSE; if ((int) pExtents->y2 < y + height) return FALSE; box.x1 = x; box.x2 = x + width; box.y1 = y; box.y2 = y + height; return RegionContainsRect(pRegion, &box) == rgnIN; }
static Bool _glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y, int w, int h, int left_pad, int image_format, char *bits, Bool fallback) { PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable); glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap); RegionPtr clip; int x_off, y_off; Bool ret = FALSE; PixmapPtr temp_pixmap, sub_pixmap; glamor_pixmap_private *temp_pixmap_priv; BoxRec box; int stride; glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off); clip = fbGetCompositeClip(gc); if (image_format == XYBitmap) { assert(depth == 1); goto fail; } if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv)) { glamor_fallback("has no fbo.\n"); goto fail; } if (image_format != ZPixmap) { glamor_fallback("non-ZPixmap\n"); goto fail; } if (!glamor_set_planemask(pixmap, gc->planemask)) { goto fail; } /* create a temporary pixmap and upload the bits to that * pixmap, then apply clip copy it to the destination pixmap.*/ stride = PixmapBytePad(w, depth); box.x1 = x + drawable->x; box.y1 = y + drawable->y; box.x2 = x + w + drawable->x; box.y2 = y + h + drawable->y; if ((clip != NULL && RegionContainsRect(clip, &box) != rgnIN) || gc->alu != GXcopy) { temp_pixmap = glamor_create_pixmap(drawable->pScreen, w, h, depth, 0); if (temp_pixmap == NULL) goto fail; temp_pixmap_priv = glamor_get_pixmap_private(temp_pixmap); if (GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv)) { temp_pixmap_priv->base.picture = pixmap_priv->base.picture; temp_pixmap_priv->base.is_picture = pixmap_priv->base.is_picture; } glamor_upload_sub_pixmap_to_texture(temp_pixmap, 0, 0, w, h, stride, bits, 0); glamor_copy_area(&temp_pixmap->drawable, drawable, gc, 0, 0, w, h, x, y); glamor_destroy_pixmap(temp_pixmap); } else { glamor_upload_sub_pixmap_to_texture(pixmap, x + drawable->x + x_off, y + drawable->y + y_off, w, h, stride, bits, 0); } ret = TRUE; goto done; fail: glamor_set_planemask(pixmap, ~0); if (!fallback && glamor_ddx_fallback_check_pixmap(&pixmap->drawable)) goto done; glamor_fallback("to %p (%c)\n", drawable, glamor_get_drawable_location(drawable)); sub_pixmap = glamor_get_sub_pixmap(pixmap, x + x_off + drawable->x, y + y_off + drawable->y, w, h, GLAMOR_ACCESS_RW); if (sub_pixmap) { if (clip != NULL) pixman_region_translate (clip, -x - drawable->x, -y - drawable->y); fbPutImage(&sub_pixmap->drawable, gc, depth, 0, 0, w, h, left_pad, image_format, bits); glamor_put_sub_pixmap(sub_pixmap, pixmap, x + x_off + drawable->x, y + y_off + drawable->y, w, h, GLAMOR_ACCESS_RW); if (clip != NULL) pixman_region_translate (clip, x + drawable->x, y + drawable->y); } else fbPutImage(drawable, gc, depth, x, y, w, h, left_pad, image_format, bits); ret = TRUE; done: return ret; }
/* *----------------------------------------------------------------------- * miComputeClips -- * Recompute the clipList, borderClip, exposed and borderExposed * regions for pParent and its children. Only viewable windows are * taken into account. * * Results: * None. * * Side Effects: * clipList, borderClip, exposed and borderExposed are altered. * A VisibilityNotify event may be generated on the parent window. * *----------------------------------------------------------------------- */ static void miComputeClips ( WindowPtr pParent, ScreenPtr pScreen, RegionPtr universe, VTKind kind, RegionPtr exposed ) /* for intermediate calculations */ { int dx, dy; RegionRec childUniverse; WindowPtr pChild; int oldVis, newVis; BoxRec borderSize; RegionRec childUnion; Bool overlap; RegionPtr borderVisible; /* * Figure out the new visibility of this window. * The extent of the universe should be the same as the extent of * the borderSize region. If the window is unobscured, this rectangle * will be completely inside the universe (the universe will cover it * completely). If the window is completely obscured, none of the * universe will cover the rectangle. */ borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent); borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent); dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent); if (dx > 32767) dx = 32767; borderSize.x2 = dx; dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent); if (dy > 32767) dy = 32767; borderSize.y2 = dy; #ifdef COMPOSITE /* * In redirected drawing case, reset universe to borderSize */ if (pParent->redirectDraw != RedirectDrawNone) { if (miSetRedirectBorderClipProc) { if (TreatAsTransparent (pParent)) RegionEmpty(universe); (*miSetRedirectBorderClipProc) (pParent, universe); } RegionCopy(universe, &pParent->borderSize); } #endif oldVis = pParent->visibility; switch (RegionContainsRect(universe, &borderSize)) { case rgnIN: newVis = VisibilityUnobscured; break; case rgnPART: newVis = VisibilityPartiallyObscured; { RegionPtr pBounding; if ((pBounding = wBoundingShape (pParent))) { switch (miShapedWindowIn (universe, pBounding, &borderSize, pParent->drawable.x, pParent->drawable.y)) { case rgnIN: newVis = VisibilityUnobscured; break; case rgnOUT: newVis = VisibilityFullyObscured; break; } } } break; default: newVis = VisibilityFullyObscured; break; } pParent->visibility = newVis; if (oldVis != newVis && ((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask)) SendVisibilityNotify(pParent); dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x; dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y; /* * avoid computations when dealing with simple operations */ switch (kind) { case VTMap: case VTStack: case VTUnmap: break; case VTMove: if ((oldVis == newVis) && ((oldVis == VisibilityFullyObscured) || (oldVis == VisibilityUnobscured))) { pChild = pParent; while (1) { if (pChild->viewable) { if (pChild->visibility != VisibilityFullyObscured) { RegionTranslate(&pChild->borderClip, dx, dy); RegionTranslate(&pChild->clipList, dx, dy); pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; if (pScreen->ClipNotify) (* pScreen->ClipNotify) (pChild, dx, dy); } if (pChild->valdata) { RegionNull(&pChild->valdata->after.borderExposed); if (HasParentRelativeBorder(pChild)) { RegionSubtract(&pChild->valdata->after.borderExposed, &pChild->borderClip, &pChild->winSize); } RegionNull(&pChild->valdata->after.exposed); } if (pChild->firstChild) { pChild = pChild->firstChild; continue; } } while (!pChild->nextSib && (pChild != pParent)) pChild = pChild->parent; if (pChild == pParent) break; pChild = pChild->nextSib; } return; } /* fall through */ default: /* * To calculate exposures correctly, we have to translate the old * borderClip and clipList regions to the window's new location so there * is a correspondence between pieces of the new and old clipping regions. */ if (dx || dy) { /* * We translate the old clipList because that will be exposed or copied * if gravity is right. */ RegionTranslate(&pParent->borderClip, dx, dy); RegionTranslate(&pParent->clipList, dx, dy); } break; case VTBroken: RegionEmpty(&pParent->borderClip); RegionEmpty(&pParent->clipList); break; } borderVisible = pParent->valdata->before.borderVisible; RegionNull(&pParent->valdata->after.borderExposed); RegionNull(&pParent->valdata->after.exposed); /* * Since the borderClip must not be clipped by the children, we do * the border exposure first... * * 'universe' is the window's borderClip. To figure the exposures, remove * the area that used to be exposed from the new. * This leaves a region of pieces that weren't exposed before. */ if (HasBorder (pParent)) { if (borderVisible) { /* * when the border changes shape, the old visible portions * of the border will be saved by DIX in borderVisible -- * use that region and destroy it */ RegionSubtract(exposed, universe, borderVisible); RegionDestroy(borderVisible); } else { RegionSubtract(exposed, universe, &pParent->borderClip); } if (HasParentRelativeBorder(pParent) && (dx || dy)) RegionSubtract(&pParent->valdata->after.borderExposed, universe, &pParent->winSize); else RegionSubtract(&pParent->valdata->after.borderExposed, exposed, &pParent->winSize); RegionCopy(&pParent->borderClip, universe); /* * To get the right clipList for the parent, and to make doubly sure * that no child overlaps the parent's border, we remove the parent's * border from the universe before proceeding. */ RegionIntersect(universe, universe, &pParent->winSize); } else RegionCopy(&pParent->borderClip, universe); if ((pChild = pParent->firstChild) && pParent->mapped) { RegionNull(&childUniverse); RegionNull(&childUnion); if ((pChild->drawable.y < pParent->lastChild->drawable.y) || ((pChild->drawable.y == pParent->lastChild->drawable.y) && (pChild->drawable.x < pParent->lastChild->drawable.x))) { for (; pChild; pChild = pChild->nextSib) { if (pChild->viewable && !TreatAsTransparent(pChild)) RegionAppend(&childUnion, &pChild->borderSize); } } else { for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib) { if (pChild->viewable && !TreatAsTransparent(pChild)) RegionAppend(&childUnion, &pChild->borderSize); } } RegionValidate(&childUnion, &overlap); for (pChild = pParent->firstChild; pChild; pChild = pChild->nextSib) { if (pChild->viewable) { /* * If the child is viewable, we want to remove its extents * from the current universe, but we only re-clip it if * it's been marked. */ if (pChild->valdata) { /* * Figure out the new universe from the child's * perspective and recurse. */ RegionIntersect(&childUniverse, universe, &pChild->borderSize); miComputeClips (pChild, pScreen, &childUniverse, kind, exposed); } /* * Once the child has been processed, we remove its extents * from the current universe, thus denying its space to any * other sibling. */ if (overlap && !TreatAsTransparent (pChild)) RegionSubtract(universe, universe, &pChild->borderSize); } } if (!overlap) RegionSubtract(universe, universe, &childUnion); RegionUninit(&childUnion); RegionUninit(&childUniverse); } /* if any children */ /* * 'universe' now contains the new clipList for the parent window. * * To figure the exposure of the window we subtract the old clip from the * new, just as for the border. */ if (oldVis == VisibilityFullyObscured || oldVis == VisibilityNotViewable) { RegionCopy(&pParent->valdata->after.exposed, universe); } else if (newVis != VisibilityFullyObscured && newVis != VisibilityNotViewable) { RegionSubtract(&pParent->valdata->after.exposed, universe, &pParent->clipList); } /* HACK ALERT - copying contents of regions, instead of regions */ { RegionRec tmp; tmp = pParent->clipList; pParent->clipList = *universe; *universe = tmp; } #ifdef NOTDEF RegionCopy(&pParent->clipList, universe); #endif pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; if (pScreen->ClipNotify) (* pScreen->ClipNotify) (pParent, dx, dy); }
/* return 2, draw using clip */ int rdp_get_clip(RegionPtr pRegion, DrawablePtr pDrawable, GCPtr pGC) { WindowPtr pWindow; RegionPtr temp; BoxRec box; int rv; rv = 0; if (pDrawable->type == DRAWABLE_PIXMAP) { switch (pGC->clientClipType) { case CT_NONE: rv = 1; break; case CT_REGION: rv = 2; RegionCopy(pRegion, pGC->clientClip); break; default: rdpLog("unimp clip type %d\n", pGC->clientClipType); break; } if (rv == 2) /* check if the clip is the entire pixmap */ { box.x1 = 0; box.y1 = 0; box.x2 = pDrawable->width; box.y2 = pDrawable->height; if (RegionContainsRect(pRegion, &box) == rgnIN) { rv = 1; } } } else if (pDrawable->type == DRAWABLE_WINDOW) { pWindow = (WindowPtr)pDrawable; if (pWindow->viewable) { if (pGC->subWindowMode == IncludeInferiors) { temp = &pWindow->borderClip; } else { temp = &pWindow->clipList; } if (RegionNotEmpty(temp)) { switch (pGC->clientClipType) { case CT_NONE: rv = 2; RegionCopy(pRegion, temp); break; case CT_REGION: rv = 2; RegionCopy(pRegion, pGC->clientClip); RegionTranslate(pRegion, pDrawable->x + pGC->clipOrg.x, pDrawable->y + pGC->clipOrg.y); RegionIntersect(pRegion, pRegion, temp); break; default: rdpLog("unimp clip type %d\n", pGC->clientClipType); break; } if (rv == 2) /* check if the clip is the entire screen */ { box.x1 = 0; box.y1 = 0; box.x2 = g_rdpScreen.width; box.y2 = g_rdpScreen.height; if (RegionContainsRect(pRegion, &box) == rgnIN) { rv = 1; } } } } } return rv; }
RegionPtr miHandleExposures(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty) { RegionPtr prgnSrcClip; /* drawable-relative source clip */ RegionRec rgnSrcRec; RegionPtr prgnDstClip; /* drawable-relative dest clip */ RegionRec rgnDstRec; BoxRec srcBox; /* unclipped source */ RegionRec rgnExposed; /* exposed region, calculated source- relative, made dst relative to intersect with visible parts of dest and send events to client, and then screen relative to paint the window background */ WindowPtr pSrcWin; BoxRec expBox = { 0, }; Bool extents; /* avoid work if we can */ if (!pGC->graphicsExposures && pDstDrawable->type == DRAWABLE_PIXMAP) return NULL; srcBox.x1 = srcx; srcBox.y1 = srcy; srcBox.x2 = srcx + width; srcBox.y2 = srcy + height; if (pSrcDrawable->type != DRAWABLE_PIXMAP) { BoxRec TsrcBox; TsrcBox.x1 = srcx + pSrcDrawable->x; TsrcBox.y1 = srcy + pSrcDrawable->y; TsrcBox.x2 = TsrcBox.x1 + width; TsrcBox.y2 = TsrcBox.y1 + height; pSrcWin = (WindowPtr) pSrcDrawable; if (pGC->subWindowMode == IncludeInferiors) { prgnSrcClip = NotClippedByChildren(pSrcWin); if ((RegionContainsRect(prgnSrcClip, &TsrcBox)) == rgnIN) { RegionDestroy(prgnSrcClip); return NULL; } } else { if ((RegionContainsRect(&pSrcWin->clipList, &TsrcBox)) == rgnIN) return NULL; prgnSrcClip = &rgnSrcRec; RegionNull(prgnSrcClip); RegionCopy(prgnSrcClip, &pSrcWin->clipList); } RegionTranslate(prgnSrcClip, -pSrcDrawable->x, -pSrcDrawable->y); } else { BoxRec box; if ((srcBox.x1 >= 0) && (srcBox.y1 >= 0) && (srcBox.x2 <= pSrcDrawable->width) && (srcBox.y2 <= pSrcDrawable->height)) return NULL; box.x1 = 0; box.y1 = 0; box.x2 = pSrcDrawable->width; box.y2 = pSrcDrawable->height; prgnSrcClip = &rgnSrcRec; RegionInit(prgnSrcClip, &box, 1); pSrcWin = NULL; } if (pDstDrawable == pSrcDrawable) { prgnDstClip = prgnSrcClip; } else if (pDstDrawable->type != DRAWABLE_PIXMAP) { if (pGC->subWindowMode == IncludeInferiors) { prgnDstClip = NotClippedByChildren((WindowPtr) pDstDrawable); } else { prgnDstClip = &rgnDstRec; RegionNull(prgnDstClip); RegionCopy(prgnDstClip, &((WindowPtr) pDstDrawable)->clipList); } RegionTranslate(prgnDstClip, -pDstDrawable->x, -pDstDrawable->y); } else { BoxRec box; box.x1 = 0; box.y1 = 0; box.x2 = pDstDrawable->width; box.y2 = pDstDrawable->height; prgnDstClip = &rgnDstRec; RegionInit(prgnDstClip, &box, 1); } /* drawable-relative source region */ RegionInit(&rgnExposed, &srcBox, 1); /* now get the hidden parts of the source box */ RegionSubtract(&rgnExposed, &rgnExposed, prgnSrcClip); /* move them over the destination */ RegionTranslate(&rgnExposed, dstx - srcx, dsty - srcy); /* intersect with visible areas of dest */ RegionIntersect(&rgnExposed, &rgnExposed, prgnDstClip); /* intersect with client clip region. */ if (pGC->clientClip) RegionIntersect(&rgnExposed, &rgnExposed, pGC->clientClip); /* * If we have LOTS of rectangles, we decide to take the extents * and force an exposure on that. This should require much less * work overall, on both client and server. This is cheating, but * isn't prohibited by the protocol ("spontaneous combustion" :-) * for windows. */ extents = pGC->graphicsExposures && (RegionNumRects(&rgnExposed) > RECTLIMIT) && (pDstDrawable->type != DRAWABLE_PIXMAP); if (pSrcWin) { RegionPtr region; if (!(region = wClipShape(pSrcWin))) region = wBoundingShape(pSrcWin); /* * If you try to CopyArea the extents of a shaped window, compacting the * exposed region will undo all our work! */ if (extents && pSrcWin && region && (RegionContainsRect(region, &srcBox) != rgnIN)) extents = FALSE; } if (extents) { expBox = *RegionExtents(&rgnExposed); RegionReset(&rgnExposed, &expBox); } if ((pDstDrawable->type != DRAWABLE_PIXMAP) && (((WindowPtr) pDstDrawable)->backgroundState != None)) { WindowPtr pWin = (WindowPtr) pDstDrawable; /* make the exposed area screen-relative */ RegionTranslate(&rgnExposed, pDstDrawable->x, pDstDrawable->y); if (extents) { /* PaintWindow doesn't clip, so we have to */ RegionIntersect(&rgnExposed, &rgnExposed, &pWin->clipList); } pDstDrawable->pScreen->PaintWindow((WindowPtr) pDstDrawable, &rgnExposed, PW_BACKGROUND); if (extents) { RegionReset(&rgnExposed, &expBox); } else RegionTranslate(&rgnExposed, -pDstDrawable->x, -pDstDrawable->y); } if (prgnDstClip == &rgnDstRec) { RegionUninit(prgnDstClip); } else if (prgnDstClip != prgnSrcClip) { RegionDestroy(prgnDstClip); } if (prgnSrcClip == &rgnSrcRec) { RegionUninit(prgnSrcClip); } else { RegionDestroy(prgnSrcClip); } if (pGC->graphicsExposures) { /* don't look */ RegionPtr exposed = RegionCreate(NullBox, 0); *exposed = rgnExposed; return exposed; } else { RegionUninit(&rgnExposed); return NULL; } }
Bool miMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst, WindowPtr *ppLayerWin) { BoxPtr box; WindowPtr pChild, pLast; Bool anyMarked = FALSE; MarkWindowProcPtr MarkWindow = pWin->drawable.pScreen->MarkWindow; /* single layered systems are easy */ if (ppLayerWin) *ppLayerWin = pWin; if (pWin == pFirst) { /* Blindly mark pWin and all of its inferiors. This is a slight * overkill if there are mapped windows that outside pWin's border, * but it's better than wasting time on RectIn checks. */ pChild = pWin; while (1) { if (pChild->viewable) { if (RegionBroken(&pChild->winSize)) SetWinSize(pChild); if (RegionBroken(&pChild->borderSize)) SetBorderSize(pChild); (*MarkWindow) (pChild); if (pChild->firstChild) { pChild = pChild->firstChild; continue; } } while (!pChild->nextSib && (pChild != pWin)) pChild = pChild->parent; if (pChild == pWin) break; pChild = pChild->nextSib; } anyMarked = TRUE; pFirst = pFirst->nextSib; } if ((pChild = pFirst)) { box = RegionExtents(&pWin->borderSize); pLast = pChild->parent->lastChild; while (1) { if (pChild->viewable) { if (RegionBroken(&pChild->winSize)) SetWinSize(pChild); if (RegionBroken(&pChild->borderSize)) SetBorderSize(pChild); if (RegionContainsRect(&pChild->borderSize, box)) { (*MarkWindow) (pChild); anyMarked = TRUE; if (pChild->firstChild) { pChild = pChild->firstChild; continue; } } } while (!pChild->nextSib && (pChild != pLast)) pChild = pChild->parent; if (pChild == pLast) break; pChild = pChild->nextSib; } } if (anyMarked) (*MarkWindow) (pWin->parent); return anyMarked; }