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