diff options
Diffstat (limited to 'nx-X11/programs/Xserver/miext/rootless/rootlessScreen.c')
| -rw-r--r-- | nx-X11/programs/Xserver/miext/rootless/rootlessScreen.c | 670 |
1 files changed, 0 insertions, 670 deletions
diff --git a/nx-X11/programs/Xserver/miext/rootless/rootlessScreen.c b/nx-X11/programs/Xserver/miext/rootless/rootlessScreen.c deleted file mode 100644 index 6b7697383..000000000 --- a/nx-X11/programs/Xserver/miext/rootless/rootlessScreen.c +++ /dev/null @@ -1,670 +0,0 @@ -/* - * Screen routines for generic rootless X server - */ -/* - * Copyright (c) 2001 Greg Parker. All Rights Reserved. - * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. - * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * 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 ABOVE LISTED COPYRIGHT HOLDER(S) 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(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ -/* $XFree86: xc/programs/Xserver/miext/rootless/rootlessScreen.c,v 1.2 2003/04/30 23:15:35 torrey Exp $ */ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "mi.h" -#include "scrnintstr.h" -#include "gcstruct.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "propertyst.h" -#include "mivalidate.h" -#include "picturestr.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <string.h> - -#include "rootlessCommon.h" -#include "rootlessWindow.h" - -/* In milliseconds */ -#ifndef ROOTLESS_REDISPLAY_DELAY -#define ROOTLESS_REDISPLAY_DELAY 10 -#endif - -extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild, - VTKind kind); -extern Bool RootlessCreateGC(GCPtr pGC); - -// Initialize globals -int rootlessGCPrivateIndex = -1; -int rootlessScreenPrivateIndex = -1; -int rootlessWindowPrivateIndex = -1; - - -/* - * RootlessUpdateScreenPixmap - * miCreateScreenResources does not like a null framebuffer pointer, - * it leaves the screen pixmap with an uninitialized data pointer. - * Thus, rootless implementations typically set the framebuffer width - * to zero so that miCreateScreenResources does not allocate a screen - * pixmap for us. We allocate our own screen pixmap here since we need - * the screen pixmap to be valid (e.g. CopyArea from the root window). - */ -void -RootlessUpdateScreenPixmap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC(pScreen); - PixmapPtr pPix; - unsigned int rowbytes; - - pPix = (*pScreen->GetScreenPixmap)(pScreen); - if (pPix == NULL) { - pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth); - (*pScreen->SetScreenPixmap)(pPix); - } - - rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth); - - if (s->pixmap_data_size < rowbytes) { - if (s->pixmap_data != NULL) - xfree(s->pixmap_data); - - s->pixmap_data_size = rowbytes; - s->pixmap_data = xalloc(s->pixmap_data_size); - if (s->pixmap_data == NULL) - return; - - memset(s->pixmap_data, 0xFF, s->pixmap_data_size); - - pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height, - pScreen->rootDepth, - BitsPerPixel(pScreen->rootDepth), - 0, s->pixmap_data); - /* ModifyPixmapHeader ignores zero arguments, so install rowbytes - by hand. */ - pPix->devKind = 0; - } -} - - -/* - * RootlessCreateScreenResources - * Rootless implementations typically set a null framebuffer pointer, which - * causes problems with miCreateScreenResources. We fix things up here. - */ -static Bool -RootlessCreateScreenResources(ScreenPtr pScreen) -{ - Bool ret = TRUE; - - SCREEN_UNWRAP(pScreen, CreateScreenResources); - - if (pScreen->CreateScreenResources != NULL) - ret = (*pScreen->CreateScreenResources)(pScreen); - - SCREEN_WRAP(pScreen, CreateScreenResources); - - if (!ret) - return ret; - - /* Make sure we have a valid screen pixmap. */ - - RootlessUpdateScreenPixmap(pScreen); - - return ret; -} - - -static Bool -RootlessCloseScreen(int i, ScreenPtr pScreen) -{ - RootlessScreenRec *s; - - s = SCREENREC(pScreen); - - // fixme unwrap everything that was wrapped? - pScreen->CloseScreen = s->CloseScreen; - - if (s->pixmap_data != NULL) { - xfree (s->pixmap_data); - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - } - - xfree(s); - return pScreen->CloseScreen(i, pScreen); -} - - -static void -RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, - unsigned int format, unsigned long planeMask, char *pdstLine) -{ - ScreenPtr pScreen = pDrawable->pScreen; - SCREEN_UNWRAP(pScreen, GetImage); - - if (pDrawable->type == DRAWABLE_WINDOW) { - int x0, y0, x1, y1; - RootlessWindowRec *winRec; - - // Many apps use GetImage to sync with the visible frame buffer - // FIXME: entire screen or just window or all screens? - RootlessRedisplayScreen(pScreen); - - // RedisplayScreen stops drawing, so we need to start it again - RootlessStartDrawing((WindowPtr)pDrawable); - - /* Check that we have some place to read from. */ - winRec = WINREC(TopLevelParent((WindowPtr) pDrawable)); - if (winRec == NULL) - goto out; - - /* Clip to top-level window bounds. */ - /* FIXME: fbGetImage uses the width parameter to calculate the - stride of the destination pixmap. If w is clipped, the data - returned will be garbage, although we will not crash. */ - - x0 = pDrawable->x + sx; - y0 = pDrawable->y + sy; - x1 = x0 + w; - y1 = y0 + h; - - x0 = MAX (x0, winRec->x); - y0 = MAX (y0, winRec->y); - x1 = MIN (x1, winRec->x + winRec->width); - y1 = MIN (y1, winRec->y + winRec->height); - - sx = x0 - pDrawable->x; - sy = y0 - pDrawable->y; - w = x1 - x0; - h = y1 - y0; - - if (w <= 0 || h <= 0) - goto out; - } - - pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); - -out: - SCREEN_WRAP(pScreen, GetImage); -} - - -/* - * RootlessSourceValidate - * CopyArea and CopyPlane use a GC tied to the destination drawable. - * StartDrawing/StopDrawing wrappers won't be called if source is - * a visible window but the destination isn't. So, we call StartDrawing - * here and leave StopDrawing for the block handler. - */ -static void -RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h) -{ - SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate); - if (pDrawable->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDrawable; - RootlessStartDrawing(pWin); - } - if (pDrawable->pScreen->SourceValidate) { - pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h); - } - SCREEN_WRAP(pDrawable->pScreen, SourceValidate); -} - -#ifdef RENDER - -static void -RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, - INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, - INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - WindowPtr srcWin, dstWin, maskWin = NULL; - - if (pMask) { // pMask can be NULL - maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pMask->pDrawable : NULL; - } - srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - // SCREEN_UNWRAP(ps, Composite); - ps->Composite = SCREENREC(pScreen)->Composite; - - if (srcWin && IsFramedWindow(srcWin)) - RootlessStartDrawing(srcWin); - if (maskWin && IsFramedWindow(maskWin)) - RootlessStartDrawing(maskWin); - if (dstWin && IsFramedWindow(dstWin)) - RootlessStartDrawing(dstWin); - - ps->Composite(op, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, - xDst, yDst, width, height); - - if (dstWin && IsFramedWindow(dstWin)) { - RootlessDamageRect(dstWin, xDst, yDst, width, height); - } - - ps->Composite = RootlessComposite; - // SCREEN_WRAP(ps, Composite); -} - - -static void -RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst, - PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, - int nlist, GlyphListPtr list, GlyphPtr *glyphs) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - int x, y; - int n; - GlyphPtr glyph; - WindowPtr srcWin, dstWin; - - srcWin = (pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin); - if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin); - - //SCREEN_UNWRAP(ps, Glyphs); - ps->Glyphs = SCREENREC(pScreen)->Glyphs; - ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); - ps->Glyphs = RootlessGlyphs; - //SCREEN_WRAP(ps, Glyphs); - - if (dstWin && IsFramedWindow(dstWin)) { - x = xSrc; - y = ySrc; - - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - - /* Calling DamageRect for the bounding box of each glyph is - inefficient. So compute the union of all glyphs in a list - and damage that. */ - - if (n > 0) { - BoxRec box; - - glyph = *glyphs++; - - box.x1 = x - glyph->info.x; - box.y1 = y - glyph->info.y; - box.x2 = box.x1 + glyph->info.width; - box.y2 = box.y2 + glyph->info.height; - - x += glyph->info.xOff; - y += glyph->info.yOff; - - while (--n > 0) { - short x1, y1, x2, y2; - - glyph = *glyphs++; - - x1 = x - glyph->info.x; - y1 = y - glyph->info.y; - x2 = x1 + glyph->info.width; - y2 = y1 + glyph->info.height; - - box.x1 = MAX (box.x1, x1); - box.y1 = MAX (box.y1, y1); - box.x2 = MAX (box.x2, x2); - box.y2 = MAX (box.y2, y2); - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - - RootlessDamageBox(dstWin, &box); - } - list++; - } - } -} - -#endif // RENDER - - -/* - * RootlessValidateTree - * ValidateTree is modified in two ways: - * - top-level windows don't clip each other - * - windows aren't clipped against root. - * These only matter when validating from the root. - */ -static int -RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - int result; - RegionRec saveRoot; - ScreenPtr pScreen = pParent->drawable.pScreen; - - SCREEN_UNWRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE start "); - - // Use our custom version to validate from root - if (IsRoot(pParent)) { - RL_DEBUG_MSG("custom "); - result = RootlessMiValidateTree(pParent, pChild, kind); - } else { - HUGE_ROOT(pParent); - result = pScreen->ValidateTree(pParent, pChild, kind); - NORMAL_ROOT(pParent); - } - - SCREEN_WRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE end\n"); - - return result; -} - - -/* - * RootlessMarkOverlappedWindows - * MarkOverlappedWindows is modified to ignore overlapping - * top-level windows. - */ -static Bool -RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst, - WindowPtr *ppLayerWin) -{ - RegionRec saveRoot; - Bool result; - ScreenPtr pScreen = pWin->drawable.pScreen; - SCREEN_UNWRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start "); - - HUGE_ROOT(pWin); - if (IsRoot(pWin)) { - // root - mark nothing - RL_DEBUG_MSG("is root not marking "); - result = FALSE; - } - else if (! IsTopLevel(pWin)) { - // not top-level window - mark normally - result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin); - } - else { - //top-level window - mark children ONLY - NO overlaps with sibs (?) - // This code copied from miMarkOverlappedWindows() - - register WindowPtr pChild; - Bool anyMarked = FALSE; - void (* MarkWindow)() = pScreen->MarkWindow; - - RL_DEBUG_MSG("is top level! "); - /* 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 (REGION_BROKEN (pScreen, &pChild->winSize)) - SetWinSize (pChild); - if (REGION_BROKEN (pScreen, &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 (anyMarked) - (* MarkWindow)(pWin->parent); - result = anyMarked; - } - NORMAL_ROOT(pWin); - SCREEN_WRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n"); - - return result; -} - - -static CARD32 -RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg) -{ - RootlessScreenRec *screenRec = arg; - - if (!screenRec->redisplay_queued) { - /* No update needed. Stop the timer. */ - - screenRec->redisplay_timer_set = FALSE; - return 0; - } - - screenRec->redisplay_queued = FALSE; - - /* Mark that we should redisplay before waiting for I/O next time */ - screenRec->redisplay_expired = TRUE; - - /* Reinstall the timer immediately, so we get as close to our - redisplay interval as possible. */ - - return ROOTLESS_REDISPLAY_DELAY; -} - - -/* - * RootlessQueueRedisplay - * Queue a redisplay after a timer delay to ensure we do not redisplay - * too frequently. - */ -void -RootlessQueueRedisplay(ScreenPtr pScreen) -{ - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - screenRec->redisplay_queued = TRUE; - - if (screenRec->redisplay_timer_set) - return; - - screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer, - 0, ROOTLESS_REDISPLAY_DELAY, - RootlessRedisplayCallback, - screenRec); - screenRec->redisplay_timer_set = TRUE; -} - - -/* - * RootlessBlockHandler - * If the redisplay timer has expired, flush drawing before blocking - * on select(). - */ -static void -RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask) -{ - ScreenPtr pScreen = pbdata; - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - if (screenRec->redisplay_expired) { - screenRec->redisplay_expired = FALSE; - - RootlessRedisplayScreen(pScreen); - } -} - - -static void -RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask) -{ - // nothing here -} - - -static Bool -RootlessAllocatePrivates(ScreenPtr pScreen) -{ - RootlessScreenRec *s; - static unsigned long rootlessGeneration = 0; - - if (rootlessGeneration != serverGeneration) { - rootlessScreenPrivateIndex = AllocateScreenPrivateIndex(); - if (rootlessScreenPrivateIndex == -1) return FALSE; - rootlessGCPrivateIndex = AllocateGCPrivateIndex(); - if (rootlessGCPrivateIndex == -1) return FALSE; - rootlessWindowPrivateIndex = AllocateWindowPrivateIndex(); - if (rootlessWindowPrivateIndex == -1) return FALSE; - rootlessGeneration = serverGeneration; - } - - // no allocation needed for screen privates - if (!AllocateGCPrivate(pScreen, rootlessGCPrivateIndex, - sizeof(RootlessGCRec))) - return FALSE; - if (!AllocateWindowPrivate(pScreen, rootlessWindowPrivateIndex, 0)) - return FALSE; - - s = xalloc(sizeof(RootlessScreenRec)); - if (! s) return FALSE; - SCREENREC(pScreen) = s; - - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - - s->redisplay_timer = NULL; - s->redisplay_timer_set = FALSE; - - return TRUE; -} - - -static void -RootlessWrap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = (RootlessScreenRec*) - pScreen->devPrivates[rootlessScreenPrivateIndex].ptr; - -#define WRAP(a) \ - if (pScreen->a) { \ - s->a = pScreen->a; \ - } else { \ - RL_DEBUG_MSG("null screen fn " #a "\n"); \ - s->a = NULL; \ - } \ - pScreen->a = Rootless##a - - WRAP(CreateScreenResources); - WRAP(CloseScreen); - WRAP(CreateGC); - WRAP(PaintWindowBackground); - WRAP(PaintWindowBorder); - WRAP(CopyWindow); - WRAP(GetImage); - WRAP(SourceValidate); - WRAP(CreateWindow); - WRAP(DestroyWindow); - WRAP(RealizeWindow); - WRAP(UnrealizeWindow); - WRAP(MoveWindow); - WRAP(PositionWindow); - WRAP(ResizeWindow); - WRAP(RestackWindow); - WRAP(ReparentWindow); - WRAP(ChangeBorderWidth); - WRAP(MarkOverlappedWindows); - WRAP(ValidateTree); - WRAP(ChangeWindowAttributes); - -#ifdef SHAPE - WRAP(SetShape); -#endif - -#ifdef RENDER - { - // Composite and Glyphs don't use normal screen wrapping - PictureScreenPtr ps = GetPictureScreen(pScreen); - s->Composite = ps->Composite; - ps->Composite = RootlessComposite; - s->Glyphs = ps->Glyphs; - ps->Glyphs = RootlessGlyphs; - } -#endif - - // WRAP(ClearToBackground); fixme put this back? useful for shaped wins? - // WRAP(RestoreAreas); fixme put this back? - -#undef WRAP -} - - -/* - * RootlessInit - * Called by the rootless implementation to initialize the rootless layer. - * Rootless wraps lots of stuff and needs a bunch of devPrivates. - */ -Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs) -{ - RootlessScreenRec *s; - - if (!RootlessAllocatePrivates(pScreen)) - return FALSE; - - s = (RootlessScreenRec*) - pScreen->devPrivates[rootlessScreenPrivateIndex].ptr; - - s->imp = procs; - - RootlessWrap(pScreen); - - if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler, - RootlessWakeupHandler, - (pointer) pScreen)) - { - return FALSE; - } - - return TRUE; -} |