diff options
Diffstat (limited to 'xorg-server/miext/cw/cw.c')
| -rw-r--r-- | xorg-server/miext/cw/cw.c | 524 |
1 files changed, 0 insertions, 524 deletions
diff --git a/xorg-server/miext/cw/cw.c b/xorg-server/miext/cw/cw.c deleted file mode 100644 index 7543affb0..000000000 --- a/xorg-server/miext/cw/cw.c +++ /dev/null @@ -1,524 +0,0 @@ -/* - * Copyright © 2004 Eric Anholt - * - * 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, and that the name of Eric Anholt not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Eric Anholt makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR - * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include "gcstruct.h" -#include "windowstr.h" -#include "cw.h" - -#define CW_DEBUG 1 - -#if CW_DEBUG -#define CW_ASSERT(x) do { \ - if (!(x)) { \ - ErrorF("composite wrapper: assertion failed at %s:%d\n", __FUNC__, \ - __LINE__); \ - } \ -} while (0) -#else -#define CW_ASSERT(x) do {} while (0) -#endif - -DevPrivateKeyRec cwGCKeyRec; -DevPrivateKeyRec cwScreenKeyRec; -DevPrivateKeyRec cwWindowKeyRec; -DevPrivateKeyRec cwPictureKeyRec; - -extern GCOps cwGCOps; - -static Bool - cwCloseScreen(ScreenPtr pScreen); - -static void - cwValidateGC(GCPtr pGC, unsigned long stateChanges, DrawablePtr pDrawable); -static void - cwChangeGC(GCPtr pGC, unsigned long mask); -static void - cwCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst); -static void - cwDestroyGC(GCPtr pGC); -static void - cwChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects); -static void - cwCopyClip(GCPtr pgcDst, GCPtr pgcSrc); -static void - cwDestroyClip(GCPtr pGC); - -GCFuncs cwGCFuncs = { - cwValidateGC, - cwChangeGC, - cwCopyGC, - cwDestroyGC, - cwChangeClip, - cwDestroyClip, - cwCopyClip, -}; - -/* Find the real drawable to draw to, and provide offsets that will translate - * window coordinates to backing pixmap coordinates. - */ -DrawablePtr -cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off) -{ - PixmapPtr pPixmap; - - if (pDrawable->type == DRAWABLE_WINDOW && - (pPixmap = getCwPixmap((WindowPtr) pDrawable))) { - *x_off = pDrawable->x - pPixmap->screen_x; - *y_off = pDrawable->y - pPixmap->screen_y; - return &pPixmap->drawable; - } - else { - *x_off = *y_off = 0; - return pDrawable; - } -} - -#define FUNC_PROLOGUE(pGC, pPriv) do { \ - (pGC)->funcs = (pPriv)->wrapFuncs; \ - (pGC)->ops = (pPriv)->wrapOps; \ -} while (0) - -#define FUNC_EPILOGUE(pGC, pPriv) do { \ - (pPriv)->wrapFuncs = (pGC)->funcs; \ - (pPriv)->wrapOps = (pGC)->ops; \ - (pGC)->funcs = &cwGCFuncs; \ - (pGC)->ops = &cwGCOps; \ -} while (0) - -static Bool -cwCreateBackingGC(GCPtr pGC, DrawablePtr pDrawable) -{ - cwGCRec *pPriv = getCwGC(pGC); - int status, x_off, y_off; - XID noexpose = xFalse; - DrawablePtr pBackingDrawable; - - pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off); - pPriv->pBackingGC = CreateGC(pBackingDrawable, GCGraphicsExposures, - &noexpose, &status, (XID) 0, serverClient); - if (status != Success) - return FALSE; - - pPriv->serialNumber = 0; - pPriv->stateChanges = GCAllBits; - - return TRUE; -} - -static void -cwDestroyBackingGC(GCPtr pGC) -{ - cwGCPtr pPriv; - - pPriv = (cwGCPtr) getCwGC(pGC); - - if (pPriv->pBackingGC) { - FreeGC(pPriv->pBackingGC, (XID) 0); - pPriv->pBackingGC = NULL; - } -} - -static void -cwValidateGC(GCPtr pGC, unsigned long stateChanges, DrawablePtr pDrawable) -{ - GCPtr pBackingGC; - cwGCPtr pPriv; - DrawablePtr pBackingDrawable; - int x_off, y_off; - - pPriv = (cwGCPtr) getCwGC(pGC); - - FUNC_PROLOGUE(pGC, pPriv); - - /* - * Must call ValidateGC to ensure pGC->pCompositeClip is valid - */ - (*pGC->funcs->ValidateGC) (pGC, stateChanges, pDrawable); - - if (!cwDrawableIsRedirWindow(pDrawable)) { - cwDestroyBackingGC(pGC); - FUNC_EPILOGUE(pGC, pPriv); - return; - } - else { - if (!pPriv->pBackingGC && !cwCreateBackingGC(pGC, pDrawable)) { - FUNC_EPILOGUE(pGC, pPriv); - return; - } - } - - pBackingGC = pPriv->pBackingGC; - pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off); - - pPriv->stateChanges |= stateChanges; - - /* - * Copy the composite clip into the backing GC if either - * the drawable clip list has changed or the client has changed - * the client clip data - */ - if (pDrawable->serialNumber != pPriv->serialNumber || - (pPriv->stateChanges & (GCClipXOrigin | GCClipYOrigin | GCClipMask))) { - ChangeGCVal vals[2]; - RegionPtr pCompositeClip; - - pCompositeClip = RegionCreate(NULL, 0); - RegionCopy(pCompositeClip, pGC->pCompositeClip); - - /* Either the drawable has changed, or the clip list in the drawable has - * changed. Copy the new clip list over and set the new translated - * offset for it. - */ - - (*pBackingGC->funcs->ChangeClip) (pBackingGC, CT_REGION, - (pointer) pCompositeClip, 0); - - vals[0].val = x_off - pDrawable->x; - vals[1].val = y_off - pDrawable->y; - ChangeGC(NullClient, pBackingGC, (GCClipXOrigin | GCClipYOrigin), vals); - - pPriv->serialNumber = pDrawable->serialNumber; - /* - * Mask off any client clip changes to make sure - * the clip list set above remains in effect - */ - pPriv->stateChanges &= ~(GCClipXOrigin | GCClipYOrigin | GCClipMask); - } - - if (pPriv->stateChanges) { - CopyGC(pGC, pBackingGC, pPriv->stateChanges); - pPriv->stateChanges = 0; - } - - if ((pGC->patOrg.x + x_off) != pBackingGC->patOrg.x || - (pGC->patOrg.y + y_off) != pBackingGC->patOrg.y) { - ChangeGCVal vals[2]; - - vals[0].val = pGC->patOrg.x + x_off; - vals[1].val = pGC->patOrg.y + y_off; - ChangeGC(NullClient, pBackingGC, - (GCTileStipXOrigin | GCTileStipYOrigin), vals); - } - - ValidateGC(pBackingDrawable, pBackingGC); - - FUNC_EPILOGUE(pGC, pPriv); -} - -static void -cwChangeGC(GCPtr pGC, unsigned long mask) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pGC->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pGC, pPriv); - - (*pGC->funcs->ChangeGC) (pGC, mask); - - FUNC_EPILOGUE(pGC, pPriv); -} - -static void -cwCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pGCDst->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pGCDst, pPriv); - - (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); - - FUNC_EPILOGUE(pGCDst, pPriv); -} - -static void -cwDestroyGC(GCPtr pGC) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pGC->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pGC, pPriv); - - cwDestroyBackingGC(pGC); - - (*pGC->funcs->DestroyGC) (pGC); - - /* leave it unwrapped */ -} - -static void -cwChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pGC->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pGC, pPriv); - - (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); - - FUNC_EPILOGUE(pGC, pPriv); -} - -static void -cwCopyClip(GCPtr pgcDst, GCPtr pgcSrc) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pgcDst->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pgcDst, pPriv); - - (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc); - - FUNC_EPILOGUE(pgcDst, pPriv); -} - -static void -cwDestroyClip(GCPtr pGC) -{ - cwGCPtr pPriv = (cwGCPtr) dixLookupPrivate(&pGC->devPrivates, cwGCKey); - - FUNC_PROLOGUE(pGC, pPriv); - - (*pGC->funcs->DestroyClip) (pGC); - - FUNC_EPILOGUE(pGC, pPriv); -} - -/* - * Screen wrappers. - */ - -#define SCREEN_PROLOGUE(pScreen, field) \ - ((pScreen)->field = getCwScreen(pScreen)->field) - -#define SCREEN_EPILOGUE(pScreen, field, wrapper) do { \ - getCwScreen(pScreen)->field = (pScreen)->field; \ - (pScreen)->field = (wrapper); \ -} while (0) - -static Bool -cwCreateGC(GCPtr pGC) -{ - cwGCPtr pPriv = getCwGC(pGC); - ScreenPtr pScreen = pGC->pScreen; - Bool ret; - - SCREEN_PROLOGUE(pScreen, CreateGC); - - if ((ret = (*pScreen->CreateGC) (pGC))) - FUNC_EPILOGUE(pGC, pPriv); - - SCREEN_EPILOGUE(pScreen, CreateGC, cwCreateGC); - - return ret; -} - -static void -cwGetImage(DrawablePtr pSrc, int x, int y, int w, int h, unsigned int format, - unsigned long planemask, char *pdstLine) -{ - ScreenPtr pScreen = pSrc->pScreen; - DrawablePtr pBackingDrawable; - int src_off_x, src_off_y; - - SCREEN_PROLOGUE(pScreen, GetImage); - - pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y); - - CW_OFFSET_XY_SRC(x, y); - - (*pScreen->GetImage) (pBackingDrawable, x, y, w, h, format, planemask, - pdstLine); - - SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage); -} - -static void -cwGetSpans(DrawablePtr pSrc, int wMax, DDXPointPtr ppt, int *pwidth, - int nspans, char *pdstStart) -{ - ScreenPtr pScreen = pSrc->pScreen; - DrawablePtr pBackingDrawable; - int i; - int src_off_x, src_off_y; - - SCREEN_PROLOGUE(pScreen, GetSpans); - - pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y); - - for (i = 0; i < nspans; i++) - CW_OFFSET_XY_SRC(ppt[i].x, ppt[i].y); - - (*pScreen->GetSpans) (pBackingDrawable, wMax, ppt, pwidth, nspans, - pdstStart); - - SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans); -} - -static void -cwCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - - SCREEN_PROLOGUE(pScreen, CopyWindow); - - if (!cwDrawableIsRedirWindow((DrawablePtr) pWin)) { - (*pScreen->CopyWindow) (pWin, ptOldOrg, prgnSrc); - } - else { - GCPtr pGC; - BoxPtr pExtents; - int x_off, y_off; - int dx, dy; - PixmapPtr pBackingPixmap; - RegionPtr pClip; - int src_x, src_y, dst_x, dst_y, w, h; - - dx = ptOldOrg.x - pWin->drawable.x; - dy = ptOldOrg.y - pWin->drawable.y; - - pExtents = RegionExtents(prgnSrc); - - pBackingPixmap = (PixmapPtr) cwGetBackingDrawable((DrawablePtr) pWin, - &x_off, &y_off); - - src_x = pExtents->x1 - pBackingPixmap->screen_x; - src_y = pExtents->y1 - pBackingPixmap->screen_y; - w = pExtents->x2 - pExtents->x1; - h = pExtents->y2 - pExtents->y1; - dst_x = src_x - dx; - dst_y = src_y - dy; - - /* Translate region (as required by API) */ - RegionTranslate(prgnSrc, -dx, -dy); - - pGC = GetScratchGC(pBackingPixmap->drawable.depth, pScreen); - /* - * Copy region to GC as clip, aligning as dest clip - */ - pClip = RegionCreate(NULL, 0); - RegionIntersect(pClip, &pWin->borderClip, prgnSrc); - RegionTranslate(pClip, - -pBackingPixmap->screen_x, -pBackingPixmap->screen_y); - - (*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0); - - ValidateGC(&pBackingPixmap->drawable, pGC); - - (*pGC->ops->CopyArea) (&pBackingPixmap->drawable, - &pBackingPixmap->drawable, pGC, - src_x, src_y, w, h, dst_x, dst_y); - - (*pGC->funcs->DestroyClip) (pGC); - - FreeScratchGC(pGC); - } - - SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow); -} - -static PixmapPtr -cwGetWindowPixmap(WindowPtr pWin) -{ - PixmapPtr pPixmap = getCwPixmap(pWin); - - if (!pPixmap) { - ScreenPtr pScreen = pWin->drawable.pScreen; - - SCREEN_PROLOGUE(pScreen, GetWindowPixmap); - if (pScreen->GetWindowPixmap) - pPixmap = (*pScreen->GetWindowPixmap) (pWin); - SCREEN_EPILOGUE(pScreen, GetWindowPixmap, cwGetWindowPixmap); - } - return pPixmap; -} - -static void -cwSetWindowPixmap(WindowPtr pWindow, PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pWindow->drawable.pScreen; - - if (pPixmap == (*pScreen->GetScreenPixmap) (pScreen)) - pPixmap = NULL; - setCwPixmap(pWindow, pPixmap); -} - -/* Screen initialization/teardown */ -void -miInitializeCompositeWrapper(ScreenPtr pScreen) -{ - cwScreenPtr pScreenPriv; - Bool has_render = GetPictureScreenIfSet(pScreen) != NULL; - - if (!dixRegisterPrivateKey(&cwScreenKeyRec, PRIVATE_SCREEN, 0)) - return; - - if (!dixRegisterPrivateKey(&cwGCKeyRec, PRIVATE_GC, sizeof(cwGCRec))) - return; - - if (!dixRegisterPrivateKey(&cwWindowKeyRec, PRIVATE_WINDOW, 0)) - return; - - if (!dixRegisterPrivateKey(&cwPictureKeyRec, PRIVATE_PICTURE, 0)) - return; - - pScreenPriv = malloc(sizeof(cwScreenRec)); - if (!pScreenPriv) - return; - - dixSetPrivate(&pScreen->devPrivates, cwScreenKey, pScreenPriv); - - SCREEN_EPILOGUE(pScreen, CloseScreen, cwCloseScreen); - SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage); - SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans); - SCREEN_EPILOGUE(pScreen, CreateGC, cwCreateGC); - SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow); - - SCREEN_EPILOGUE(pScreen, SetWindowPixmap, cwSetWindowPixmap); - SCREEN_EPILOGUE(pScreen, GetWindowPixmap, cwGetWindowPixmap); - - if (has_render) - cwInitializeRender(pScreen); -} - -static Bool -cwCloseScreen(ScreenPtr pScreen) -{ - cwScreenPtr pScreenPriv; - PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); - - pScreenPriv = (cwScreenPtr) dixLookupPrivate(&pScreen->devPrivates, - cwScreenKey); - pScreen->CloseScreen = pScreenPriv->CloseScreen; - pScreen->GetImage = pScreenPriv->GetImage; - pScreen->GetSpans = pScreenPriv->GetSpans; - pScreen->CreateGC = pScreenPriv->CreateGC; - pScreen->CopyWindow = pScreenPriv->CopyWindow; - - if (ps) - cwFiniRender(pScreen); - - free((pointer) pScreenPriv); - - return (*pScreen->CloseScreen) (pScreen); -} |