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Diffstat (limited to 'xorg-server/Xext/mbufpx.c')
| -rw-r--r-- | xorg-server/Xext/mbufpx.c | 648 |
1 files changed, 0 insertions, 648 deletions
diff --git a/xorg-server/Xext/mbufpx.c b/xorg-server/Xext/mbufpx.c deleted file mode 100644 index 8421ba9eb..000000000 --- a/xorg-server/Xext/mbufpx.c +++ /dev/null @@ -1,648 +0,0 @@ -/************************************************************ - -Copyright 1989, 1998 The Open Group - -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. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -********************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdio.h> -#include <X11/X.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "os.h" -#include "windowstr.h" -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "extnsionst.h" -#include "dixstruct.h" -#include "resource.h" -#include "opaque.h" -#include "regionstr.h" -#include "gcstruct.h" -#include "inputstr.h" -#include <sys/time.h> - -#define _MULTIBUF_SERVER_ /* don't want Xlib structures */ -#define _MULTIBUF_PIXMAP_ -#include <X11/extensions/multibufst.h> - - -static Bool NoopDDA_True() { return TRUE; } - -static Bool pixPositionWindow(); -static int pixCreateImageBuffers(); -static void pixDisplayImageBuffers(); -static void pixClearImageBufferArea(); -static void pixDeleteBufferDrawable(); -static void pixWrapScreenFuncs(); -static void pixResetProc(); - -Bool -pixMultibufferInit(pScreen, pMBScreen) - ScreenPtr pScreen; - mbufScreenPtr pMBScreen; -{ - int i, j, k; - xMbufBufferInfo *pInfo; - int nInfo; - DepthPtr pDepth; - mbufPixmapPrivPtr pMBPriv; - - pMBScreen->CreateImageBuffers = pixCreateImageBuffers; - pMBScreen->DestroyImageBuffers = (void (*)())NoopDDA; - pMBScreen->DisplayImageBuffers = pixDisplayImageBuffers; - pMBScreen->ClearImageBufferArea = pixClearImageBufferArea; - pMBScreen->ChangeMBufferAttributes = NoopDDA_True; - pMBScreen->ChangeBufferAttributes = NoopDDA_True; - pMBScreen->DeleteBufferDrawable = pixDeleteBufferDrawable; - pMBScreen->WrapScreenFuncs = pixWrapScreenFuncs; - pMBScreen->ResetProc = pixResetProc; - - /* Support every depth and visual combination that the screen does */ - - nInfo = 0; - for (i = 0; i < pScreen->numDepths; i++) - { - pDepth = &pScreen->allowedDepths[i]; - nInfo += pDepth->numVids; - } - - pInfo = xalloc (nInfo * sizeof (xMbufBufferInfo)); - if (!pInfo) - return FALSE; - - k = 0; - for (i = 0; i < pScreen->numDepths; i++) - { - pDepth = &pScreen->allowedDepths[i]; - for (j = 0; j < pDepth->numVids; j++) - { - pInfo[k].visualID = pDepth->vids[j]; - pInfo[k].maxBuffers = 0; - pInfo[k].depth = pDepth->depth; - k++; - } - } - - pMBScreen->nInfo = nInfo; - pMBScreen->pInfo = pInfo; - - /* - * Setup the devPrivate to mbufScreenRec - */ - - pMBPriv = xalloc(sizeof(* pMBPriv)); - if (!pMBPriv) - { - xfree(pInfo); - return (FALSE); - } - pMBScreen->devPrivate.ptr = (pointer) pMBPriv; - pMBPriv->PositionWindow = NULL; - pMBPriv->funcsWrapped = 0; - - return TRUE; -} - -/*ARGSUSED*/ -static int -pixCreateImageBuffers (pWin, nbuf, ids, action, hint) - WindowPtr pWin; - int nbuf; - XID *ids; - int action; - int hint; -{ - mbufWindowPtr pMBWindow; - mbufBufferPtr pMBBuffer; - ScreenPtr pScreen; - int width, height, depth; - int i; - - pMBWindow = MB_WINDOW_PRIV(pWin); - - width = pWin->drawable.width; - height = pWin->drawable.height; - depth = pWin->drawable.depth; - pScreen = pWin->drawable.pScreen; - - for (i = 0; i < nbuf; i++) - { - pMBBuffer = &pMBWindow->buffers[i]; - pMBBuffer->pDrawable = (DrawablePtr) - (*pScreen->CreatePixmap) (pScreen, width, height, depth, 0); - if (!pMBBuffer->pDrawable) - break; - - if (!AddResource (ids[i], MultibufferDrawableResType, - (pointer) pMBBuffer->pDrawable)) - { - (*pScreen->DestroyPixmap) ((PixmapPtr) pMBBuffer->pDrawable); - break; - } - pMBBuffer->pDrawable->id = ids[i]; - - /* - * In the description of the CreateImageBuffers request: - * "If the window is mapped, or if these image buffers have - * backing store, their contents will be tiled with the window - * background, and zero or more expose events will be generated - * for each of these buffers." - */ - - (* MB_SCREEN_PRIV(pScreen)->ClearImageBufferArea) - (pMBBuffer, 0,0, 0,0, TRUE); - } - - return i; -} - -/* - * set up the gc to clear the pixmaps; - */ -static Bool -SetupBackgroundPainter (pWin, pGC) - WindowPtr pWin; - GCPtr pGC; -{ - XID gcvalues[4]; - int ts_x_origin, ts_y_origin; - PixUnion background; - int backgroundState; - Mask gcmask; - - /* - * First take care of any ParentRelative stuff by altering the - * tile/stipple origin to match the coordinates of the upper-left - * corner of the first ancestor without a ParentRelative background. - * This coordinate is, of course, negative. - */ - - ts_x_origin = ts_y_origin = 0; - while (pWin->backgroundState == ParentRelative) { - ts_x_origin -= pWin->origin.x; - ts_y_origin -= pWin->origin.y; - pWin = pWin->parent; - } - backgroundState = pWin->backgroundState; - background = pWin->background; - - switch (backgroundState) - { - case BackgroundPixel: - gcvalues[0] = (XID) background.pixel; - gcvalues[1] = FillSolid; - gcmask = GCForeground|GCFillStyle; - break; - - case BackgroundPixmap: - gcvalues[0] = FillTiled; - gcvalues[1] = (XID) background.pixmap; - gcvalues[2] = ts_x_origin; - gcvalues[3] = ts_y_origin; - gcmask = GCFillStyle|GCTile|GCTileStipXOrigin|GCTileStipYOrigin; - break; - - default: - return FALSE; - } - DoChangeGC(pGC, gcmask, gcvalues, TRUE); - return TRUE; -} - -static void -MultibufferPaintBackgroundRectangles(pWin, pDrawable, nrects, pRects) - WindowPtr pWin; - DrawablePtr pDrawable; - int nrects; - xRectangle *pRects; -{ - GCPtr pGC; - - pGC = GetScratchGC (pWin->drawable.depth, pWin->drawable.pScreen); - if (SetupBackgroundPainter(pWin, pGC)) - { - ValidateGC(pDrawable, pGC); - (*pGC->ops->PolyFillRect) (pDrawable, pGC, nrects, pRects); - } - FreeScratchGC(pGC); -} - -static void -MultibufferPaintBackgroundRegion(pWin, pDrawable, pRegion) - WindowPtr pWin; - DrawablePtr pDrawable; - RegionPtr pRegion; -{ - xRectangle *pRects; - int nrects = REGION_NUM_RECTS(pRegion); - BoxPtr pbox = REGION_RECTS(pRegion); - - pRects = xalloc(nrects * sizeof(xRectangle)); - if (pRects) - { - int i; - for (i = 0; i < nrects; i++) - { - pRects[i].x = pbox->x1; - pRects[i].y = pbox->y1; - pRects[i].width = pbox->x2 - pbox->x1; - pRects[i].height = pbox->y2 - pbox->y1; - } - MultibufferPaintBackgroundRectangles(pWin, pDrawable, nrects, pRects); - xfree(pRects); - } -} - -static void -pixDisplayImageBuffers(pScreen, ppMBWindow, ppMBBuffer, nbuf) - mbufBufferPtr *ppMBBuffer; - mbufWindowPtr *ppMBWindow; - int nbuf; -{ - GCPtr pGC = NULL; - PixmapPtr pPrevPixmap, pNewPixmap; - WindowPtr pWin; - RegionPtr pExposed; - int i; - mbufBufferPtr pPrevMBBuffer; - XID bool; - xRectangle r; - - UpdateCurrentTime (); - for (i = 0; i < nbuf; i++) - { - pWin = ppMBWindow[i]->pWindow; - - /* Time to get a different scratch GC? */ - - if (!pGC - || pGC->depth != pWin->drawable.depth - || pGC->pScreen != pWin->drawable.pScreen) - { - if (pGC) FreeScratchGC(pGC); - pGC = GetScratchGC (pWin->drawable.depth, pWin->drawable.pScreen); - } - pPrevMBBuffer = MB_DISPLAYED_BUFFER(ppMBWindow[i]); - pPrevPixmap = (PixmapPtr) pPrevMBBuffer->pDrawable; - pNewPixmap = (PixmapPtr) ppMBBuffer[i]->pDrawable; - - if (pPrevPixmap == pNewPixmap) - { - /* "If a specified buffer is already displayed, any delays and - * update action will still be performed for that buffer." - * - * We special-case this because applications do occasionally - * request a redundant DisplayImageBuffers, and we can save - * strokes by recognizing that the only update action that will - * change the buffer contents in this case is Background. - */ - if (ppMBWindow[i]->updateAction == MultibufferUpdateActionBackground) - { - r.x = r.y = 0; - r.width = pWin->drawable.width; - r.height = pWin->drawable.height; - MultibufferPaintBackgroundRectangles(pWin, (DrawablePtr)pWin, - 1, &r); - } - } - else /* different buffer is being displayed */ - { - /* perform update action */ - - switch (ppMBWindow[i]->updateAction) - { - case MultibufferUpdateActionUndefined: - break; - - case MultibufferUpdateActionBackground: - - r.x = r.y = 0; - r.width = pPrevPixmap->drawable.width; - r.height = pPrevPixmap->drawable.height; - MultibufferPaintBackgroundRectangles(pWin, - (DrawablePtr)pPrevPixmap, - 1, &r); - break; - - case MultibufferUpdateActionUntouched: - - /* copy the window to the pixmap that represents the - * currently displayed buffer - */ - - if (pPrevMBBuffer->eventMask & ExposureMask) - { - bool = TRUE; - DoChangeGC (pGC, GCGraphicsExposures, &bool, FALSE); - } - ValidateGC ((DrawablePtr)pPrevPixmap, pGC); - pExposed = (*pGC->ops->CopyArea)((DrawablePtr) pWin, - (DrawablePtr) pPrevPixmap, - pGC, - 0, 0, - pWin->drawable.width, - pWin->drawable.height, - 0, 0); - - /* if we couldn't copy the whole window to the buffer, - * send expose events (if any client wants them) - */ - - if (pPrevMBBuffer->eventMask & ExposureMask) - { /* some client wants expose events */ - if (pExposed) - { - RegionPtr pWinSize; - extern RegionPtr CreateUnclippedWinSize(); - ScreenPtr pScreen = pWin->drawable.pScreen; - pWinSize = CreateUnclippedWinSize (pWin); - /* - * pExposed is window-relative, but at this point - * pWinSize is screen-relative. Make pWinSize be - * window-relative so that region ops involving - * pExposed and pWinSize behave sensibly. - */ - REGION_TRANSLATE(pScreen, pWinSize, - -pWin->drawable.x, - -pWin->drawable.y); - REGION_INTERSECT(pScreen, pExposed, pExposed, pWinSize); - REGION_DESTROY(pScreen, pWinSize); - MultibufferExpose (pPrevMBBuffer, pExposed); - REGION_DESTROY(pScreen, pExposed); - } - bool = FALSE; - DoChangeGC (pGC, GCGraphicsExposures, &bool, FALSE); - } /* end some client wants expose events */ - - break; /* end case MultibufferUpdateActionUntouched */ - - case MultibufferUpdateActionCopied: - - ValidateGC ((DrawablePtr)pPrevPixmap, pGC); - (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap, - (DrawablePtr)pPrevPixmap, pGC, - 0, 0, pWin->drawable.width, - pWin->drawable.height, 0, 0); - break; - - } /* end switch on update action */ - - /* display the new buffer */ - - ValidateGC ((DrawablePtr)pWin, pGC); - (*pGC->ops->CopyArea) ((DrawablePtr)pNewPixmap, (DrawablePtr)pWin, - pGC, 0, 0, - pWin->drawable.width, pWin->drawable.height, - 0, 0); - } - - ppMBWindow[i]->lastUpdate = currentTime; - } - - if (pGC) FreeScratchGC (pGC); - return; -} - -/* - * resize the buffers when the window is resized - */ - -static Bool -pixPositionWindow (pWin, x, y) - WindowPtr pWin; - int x, y; -{ - ScreenPtr pScreen; - mbufPixmapPrivPtr pMBPriv; - mbufWindowPtr pMBWindow; - mbufBufferPtr pMBBuffer; - int width, height; - int i; - int dx, dy, dw, dh; - int sourcex, sourcey; - int destx, desty; - PixmapPtr pPixmap; - GCPtr pGC; - int savewidth, saveheight; - Bool clear; - RegionRec exposedRegion; - Bool ret; - - pScreen = pWin->drawable.pScreen; - pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen); - - UNWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, PositionWindow); - ret = (* pScreen->PositionWindow) (pWin, x, y); - REWRAP_SCREEN_FUNC(pScreen, pMBPriv, Bool, PositionWindow); - - if (!(pMBWindow = MB_WINDOW_PRIV(pWin))) - return ret; - - /* if new size is same as old, we're done */ - - if (pMBWindow->width == pWin->drawable.width && - pMBWindow->height == pWin->drawable.height) - return ret; - - width = pWin->drawable.width; - height = pWin->drawable.height; - dx = pWin->drawable.x - pMBWindow->x; - dy = pWin->drawable.x - pMBWindow->y; - dw = width - pMBWindow->width; - dh = height - pMBWindow->height; - GravityTranslate (0, 0, -dx, -dy, dw, dh, - pWin->bitGravity, &destx, &desty); - - /* if the window grew, remember to paint the window background, - * and maybe send expose events, for the new areas of the buffers - */ - - clear = pMBWindow->width < width || pMBWindow->height < height || - pWin->bitGravity == ForgetGravity; - - sourcex = 0; - sourcey = 0; - savewidth = pMBWindow->width; - saveheight = pMBWindow->height; - /* clip rectangle to source and destination */ - if (destx < 0) - { - savewidth += destx; - sourcex -= destx; - destx = 0; - } - if (destx + savewidth > width) - savewidth = width - destx; - if (desty < 0) - { - saveheight += desty; - sourcey -= desty; - desty = 0; - } - if (desty + saveheight > height) - saveheight = height - desty; - - pMBWindow->width = width; - pMBWindow->height = height; - pMBWindow->x = pWin->drawable.x; - pMBWindow->y = pWin->drawable.y; - - if (clear) - { - BoxRec box; - - box.x1 = box.y1 = 0; - box.x2 = width; - box.y2 = height; - REGION_INIT(pScreen, &exposedRegion, &box, 1); - if (pWin->bitGravity != ForgetGravity) - { - RegionRec preservedRegion; - box.x1 = destx; - box.y1 = desty; - box.x2 = destx + savewidth; - box.y2 = desty + saveheight; - REGION_INIT(pScreen, &preservedRegion, &box, 1); - REGION_SUBTRACT(pScreen, &exposedRegion, &exposedRegion, &preservedRegion); - REGION_UNINIT(pScreen, &preservedRegion); - } - - } /* end if (clear) */ - - pGC = GetScratchGC (pWin->drawable.depth, pScreen); - - /* create buffers with new window size */ - - for (i = 0; i < pMBWindow->numMultibuffer; i++) - { - pMBBuffer = &pMBWindow->buffers[i]; - pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, pWin->drawable.depth, - CREATE_PIXMAP_USAGE_SCRATCH); - if (!pPixmap) - { - (* MB_SCREEN_PRIV(pScreen)->DestroyImageBuffers)(pWin); - break; - } - if (clear) - { - MultibufferPaintBackgroundRegion(pWin, (DrawablePtr)pPixmap, &exposedRegion); - MultibufferExpose(pMBBuffer, &exposedRegion); - } - if (pWin->bitGravity != ForgetGravity) - { - ValidateGC ((DrawablePtr)pPixmap, pGC); - (*pGC->ops->CopyArea) (pMBBuffer->pDrawable, (DrawablePtr)pPixmap, - pGC, - sourcex, sourcey, savewidth, saveheight, - destx, desty); - } - pPixmap->drawable.id = pMBBuffer->pDrawable->id; - (*pScreen->DestroyPixmap) ((PixmapPtr) pMBBuffer->pDrawable); - pMBBuffer->pDrawable = (DrawablePtr) pPixmap; - if (i != pMBWindow->displayedMultibuffer) - { - ChangeResourceValue (pPixmap->drawable.id, - MultibufferDrawableResType, - (pointer) pPixmap); - } - } - FreeScratchGC (pGC); - if (clear) - REGION_UNINIT(pScreen, &exposedRegion); - return TRUE; -} - -static void -pixWrapScreenFuncs(pScreen) - ScreenPtr pScreen; -{ - mbufPixmapPrivPtr pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen); - WRAP_SCREEN_FUNC(pScreen, pMBPriv, PositionWindow, pixPositionWindow); -} - -static void -pixResetProc(pScreen) - ScreenPtr pScreen; -{ - mbufScreenPtr pMBScreen = MB_SCREEN_PRIV(pScreen); - mbufPixmapPrivPtr pMBPriv = MB_SCREEN_PRIV_PIXMAP(pScreen); - - xfree(pMBScreen->pInfo); - xfree(pMBPriv); -} - -static void -pixClearImageBufferArea(pMBBuffer, x,y, width,height, exposures) - mbufBufferPtr pMBBuffer; - short x, y; - unsigned short width, height; - Bool exposures; -{ - WindowPtr pWin; - ScreenPtr pScreen; - BoxRec box; - RegionRec region; - int w_width, w_height; - DrawablePtr pDrawable; - - pWin = pMBBuffer->pMBWindow->pWindow; - pScreen = pWin->drawable.pScreen; - - w_width = pWin->drawable.width; - w_height = pWin->drawable.height; - - box.x1 = x; - box.y1 = y; - box.x2 = width ? (box.x1 + width) : w_width; - box.y2 = height ? (box.y1 + height) : w_height; - - if (box.x1 < 0) box.x1 = 0; - if (box.y1 < 0) box.y1 = 0; - if (box.x2 > w_width) box.x2 = w_width; - if (box.y2 > w_height) box.y2 = w_height; - - REGION_INIT(pScreen, ®ion, &box, 1); - - if (pMBBuffer->number == pMBBuffer->pMBWindow->displayedMultibuffer) - pDrawable = (DrawablePtr) pWin; - else - pDrawable = pMBBuffer->pDrawable; - - MultibufferPaintBackgroundRegion(pWin, pDrawable, ®ion); - - if (exposures) - MultibufferExpose(pMBBuffer, ®ion); - - REGION_UNINIT(pScreen, ®ion); -} - -static void -pixDeleteBufferDrawable(pDrawable) - DrawablePtr pDrawable; -{ - (* pDrawable->pScreen->DestroyPixmap)((PixmapPtr) pDrawable); -} |