4017d31902
over to new system. Need to update documentation and address some remaining vestiges of old system such as CursorRec structure, fb "offman" structure, and FontRec privates.
448 lines
11 KiB
C
448 lines
11 KiB
C
/*
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*
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* Copyright © 2000 SuSE, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of SuSE not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. SuSE makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: Keith Packard, SuSE, Inc.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <stdlib.h>
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#include "fb.h"
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#include "fboverlay.h"
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#include "shmint.h"
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static DevPrivateKey fbOverlayScreenPrivateKey = &fbOverlayScreenPrivateKey;
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DevPrivateKey fbOverlayGetScreenPrivateKey(void)
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{
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return fbOverlayScreenPrivateKey;
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}
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/*
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* Replace this if you want something supporting
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* multiple overlays with the same depth
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*/
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Bool
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fbOverlayCreateWindow(WindowPtr pWin)
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{
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
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int i;
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PixmapPtr pPixmap;
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if (pWin->drawable.class != InputOutput)
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return TRUE;
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#ifdef FB_SCREEN_PRIVATE
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if (pWin->drawable.bitsPerPixel == 32)
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pWin->drawable.bitsPerPixel = fbGetScreenPrivate(pWin->drawable.pScreen)->win32bpp;
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#endif
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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pPixmap = pScrPriv->layer[i].u.run.pixmap;
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if (pWin->drawable.depth == pPixmap->drawable.depth)
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{
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dixSetPrivate(&pWin->devPrivates, fbGetWinPrivateKey(), pPixmap);
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/*
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* Make sure layer keys are written correctly by
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* having non-root layers set to full while the
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* root layer is set to empty. This will cause
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* all of the layers to get painted when the root
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* is mapped
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*/
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if (!pWin->parent)
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{
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REGION_EMPTY (pWin->drawable.pScreen,
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&pScrPriv->layer[i].u.run.region);
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}
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return TRUE;
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}
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}
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return FALSE;
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}
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Bool
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fbOverlayCloseScreen (int iScreen, ScreenPtr pScreen)
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{
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
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int i;
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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(*pScreen->DestroyPixmap)(pScrPriv->layer[i].u.run.pixmap);
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REGION_UNINIT (pScreen, &pScrPriv->layer[i].u.run.region);
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}
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return TRUE;
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}
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/*
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* Return layer containing this window
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*/
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int
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fbOverlayWindowLayer(WindowPtr pWin)
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{
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
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int i;
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for (i = 0; i < pScrPriv->nlayers; i++)
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if (dixLookupPrivate(&pWin->devPrivates, fbGetWinPrivateKey()) ==
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(pointer) pScrPriv->layer[i].u.run.pixmap)
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return i;
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return 0;
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}
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Bool
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fbOverlayCreateScreenResources(ScreenPtr pScreen)
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{
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int i;
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
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PixmapPtr pPixmap;
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pointer pbits;
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int width;
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int depth;
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BoxRec box;
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if (!miCreateScreenResources(pScreen))
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return FALSE;
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box.x1 = 0;
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box.y1 = 0;
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box.x2 = pScreen->width;
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box.y2 = pScreen->height;
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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pbits = pScrPriv->layer[i].u.init.pbits;
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width = pScrPriv->layer[i].u.init.width;
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depth = pScrPriv->layer[i].u.init.depth;
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pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, depth);
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if (!pPixmap)
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return FALSE;
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if (!(*pScreen->ModifyPixmapHeader)(pPixmap, pScreen->width,
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pScreen->height, depth,
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BitsPerPixel(depth),
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PixmapBytePad(width, depth),
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pbits))
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return FALSE;
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pScrPriv->layer[i].u.run.pixmap = pPixmap;
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REGION_INIT(pScreen, &pScrPriv->layer[i].u.run.region, &box, 0);
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}
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pScreen->devPrivate = pScrPriv->layer[0].u.run.pixmap;
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return TRUE;
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}
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void
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fbOverlayPaintKey (DrawablePtr pDrawable,
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RegionPtr pRegion,
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CARD32 pixel,
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int layer)
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{
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fbFillRegionSolid (pDrawable, pRegion, 0,
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fbReplicatePixel (pixel, pDrawable->bitsPerPixel));
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}
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/*
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* Track visible region for each layer
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*/
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void
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fbOverlayUpdateLayerRegion (ScreenPtr pScreen,
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int layer,
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RegionPtr prgn)
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{
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
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int i;
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RegionRec rgnNew;
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if (!prgn || !REGION_NOTEMPTY(pScreen, prgn))
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return;
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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if (i == layer)
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{
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/* add new piece to this fb */
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REGION_UNION (pScreen,
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&pScrPriv->layer[i].u.run.region,
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&pScrPriv->layer[i].u.run.region,
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prgn);
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}
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else if (REGION_NOTEMPTY (pScreen,
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&pScrPriv->layer[i].u.run.region))
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{
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/* paint new piece with chroma key */
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REGION_NULL (pScreen, &rgnNew);
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REGION_INTERSECT (pScreen,
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&rgnNew,
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prgn,
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&pScrPriv->layer[i].u.run.region);
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(*pScrPriv->PaintKey) (&pScrPriv->layer[i].u.run.pixmap->drawable,
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&rgnNew,
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pScrPriv->layer[i].key,
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i);
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REGION_UNINIT(pScreen, &rgnNew);
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/* remove piece from other fbs */
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REGION_SUBTRACT (pScreen,
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&pScrPriv->layer[i].u.run.region,
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&pScrPriv->layer[i].u.run.region,
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prgn);
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}
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}
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}
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/*
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* Copy only areas in each layer containing real bits
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*/
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void
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fbOverlayCopyWindow(WindowPtr pWin,
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DDXPointRec ptOldOrg,
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RegionPtr prgnSrc)
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{
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ScreenPtr pScreen = pWin->drawable.pScreen;
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pWin->drawable.pScreen);
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RegionRec rgnDst;
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int dx, dy;
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int i;
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RegionRec layerRgn[FB_OVERLAY_MAX];
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PixmapPtr pPixmap;
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dx = ptOldOrg.x - pWin->drawable.x;
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dy = ptOldOrg.y - pWin->drawable.y;
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/*
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* Clip to existing bits
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*/
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REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
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REGION_NULL (pScreen, &rgnDst);
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REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, prgnSrc);
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REGION_TRANSLATE(pScreen, &rgnDst, dx, dy);
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/*
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* Compute the portion of each fb affected by this copy
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*/
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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REGION_NULL (pScreen, &layerRgn[i]);
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REGION_INTERSECT(pScreen, &layerRgn[i], &rgnDst,
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&pScrPriv->layer[i].u.run.region);
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if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))
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{
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REGION_TRANSLATE(pScreen, &layerRgn[i], -dx, -dy);
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pPixmap = pScrPriv->layer[i].u.run.pixmap;
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fbCopyRegion (&pPixmap->drawable, &pPixmap->drawable,
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0,
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&layerRgn[i], dx, dy, pScrPriv->CopyWindow, 0,
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(void *)(long) i);
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}
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}
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/*
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* Update regions
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*/
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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if (REGION_NOTEMPTY (pScreen, &layerRgn[i]))
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fbOverlayUpdateLayerRegion (pScreen, i, &layerRgn[i]);
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REGION_UNINIT(pScreen, &layerRgn[i]);
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}
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REGION_UNINIT(pScreen, &rgnDst);
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}
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void
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fbOverlayWindowExposures (WindowPtr pWin,
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RegionPtr prgn,
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RegionPtr other_exposed)
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{
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fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,
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fbOverlayWindowLayer (pWin),
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prgn);
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miWindowExposures(pWin, prgn, other_exposed);
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}
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void
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fbOverlayPaintWindow(WindowPtr pWin, RegionPtr pRegion, int what)
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{
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if (what == PW_BORDER)
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fbOverlayUpdateLayerRegion (pWin->drawable.pScreen,
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fbOverlayWindowLayer (pWin),
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pRegion);
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fbPaintWindow (pWin, pRegion, what);
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}
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Bool
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fbOverlaySetupScreen(ScreenPtr pScreen,
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pointer pbits1,
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pointer pbits2,
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int xsize,
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int ysize,
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int dpix,
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int dpiy,
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int width1,
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int width2,
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int bpp1,
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int bpp2)
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{
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return fbSetupScreen (pScreen,
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pbits1,
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xsize,
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ysize,
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dpix,
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dpiy,
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width1,
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bpp1);
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}
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static Bool
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fb24_32OverlayCreateScreenResources(ScreenPtr pScreen)
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{
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FbOverlayScrPrivPtr pScrPriv = fbOverlayGetScrPriv(pScreen);
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int pitch;
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Bool retval;
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int i;
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if((retval = fbOverlayCreateScreenResources(pScreen))) {
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for (i = 0; i < pScrPriv->nlayers; i++)
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{
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/* fix the screen pixmap */
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PixmapPtr pPix = (PixmapPtr) pScrPriv->layer[i].u.run.pixmap;
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if (pPix->drawable.bitsPerPixel == 32) {
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pPix->drawable.bitsPerPixel = 24;
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pitch = BitmapBytePad(pPix->drawable.width * 24);
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pPix->devKind = pitch;
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}
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}
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}
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return retval;
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}
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Bool
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fbOverlayFinishScreenInit(ScreenPtr pScreen,
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pointer pbits1,
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pointer pbits2,
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int xsize,
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int ysize,
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int dpix,
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int dpiy,
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int width1,
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int width2,
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int bpp1,
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int bpp2,
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int depth1,
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int depth2)
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{
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VisualPtr visuals;
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DepthPtr depths;
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int nvisuals;
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int ndepths;
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int bpp = 0, imagebpp = 32;
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VisualID defaultVisual;
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FbOverlayScrPrivPtr pScrPriv;
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pScrPriv = xalloc (sizeof (FbOverlayScrPrivRec));
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if (!pScrPriv)
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return FALSE;
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#ifdef FB_24_32BIT
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if (bpp1 == 32 || bpp2 == 32)
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bpp = 32;
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else if (bpp1 == 24 || bpp2 == 24)
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bpp = 24;
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if (bpp == 24)
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{
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int f;
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imagebpp = 32;
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/*
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* Check to see if we're advertising a 24bpp image format,
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* in which case windows will use it in preference to a 32 bit
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* format.
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*/
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for (f = 0; f < screenInfo.numPixmapFormats; f++)
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{
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if (screenInfo.formats[f].bitsPerPixel == 24)
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{
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imagebpp = 24;
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break;
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}
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}
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}
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#endif
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#ifdef FB_SCREEN_PRIVATE
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if (imagebpp == 32)
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{
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fbGetScreenPrivate(pScreen)->win32bpp = bpp;
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fbGetScreenPrivate(pScreen)->pix32bpp = bpp;
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}
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else
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{
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fbGetScreenPrivate(pScreen)->win32bpp = 32;
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fbGetScreenPrivate(pScreen)->pix32bpp = 32;
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}
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#endif
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if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &depth1,
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&defaultVisual, ((unsigned long)1<<(bpp1-1)) |
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((unsigned long)1<<(bpp2-1)), 8))
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return FALSE;
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if (! miScreenInit(pScreen, 0, xsize, ysize, dpix, dpiy, 0,
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depth1, ndepths, depths,
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defaultVisual, nvisuals, visuals))
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return FALSE;
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/* MI thinks there's no frame buffer */
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#ifdef MITSHM
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ShmRegisterFbFuncs(pScreen);
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#endif
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pScreen->minInstalledCmaps = 1;
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pScreen->maxInstalledCmaps = 2;
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pScrPriv->nlayers = 2;
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pScrPriv->PaintKey = fbOverlayPaintKey;
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pScrPriv->CopyWindow = fbCopyWindowProc;
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pScrPriv->layer[0].u.init.pbits = pbits1;
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pScrPriv->layer[0].u.init.width = width1;
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pScrPriv->layer[0].u.init.depth = depth1;
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pScrPriv->layer[1].u.init.pbits = pbits2;
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pScrPriv->layer[1].u.init.width = width2;
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pScrPriv->layer[1].u.init.depth = depth2;
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dixSetPrivate(&pScreen->devPrivates, fbOverlayScreenPrivateKey, pScrPriv);
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/* overwrite miCloseScreen with our own */
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pScreen->CloseScreen = fbOverlayCloseScreen;
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pScreen->CreateScreenResources = fbOverlayCreateScreenResources;
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pScreen->CreateWindow = fbOverlayCreateWindow;
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pScreen->WindowExposures = fbOverlayWindowExposures;
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pScreen->CopyWindow = fbOverlayCopyWindow;
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pScreen->PaintWindowBorder = fbOverlayPaintWindow;
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#ifdef FB_24_32BIT
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if (bpp == 24 && imagebpp == 32)
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{
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pScreen->ModifyPixmapHeader = fb24_32ModifyPixmapHeader;
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pScreen->CreateScreenResources = fb24_32OverlayCreateScreenResources;
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}
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#endif
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return TRUE;
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}
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