401 lines
12 KiB
C
401 lines
12 KiB
C
/*
|
|
* Copyright © 2006 Sun Microsystems, 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, and/or sell copies of the Software, and to permit persons
|
|
* to whom the Software is furnished to do so, provided that the above
|
|
* copyright notice(s) and this permission notice appear in all copies of
|
|
* the Software and that both the above copyright notice(s) and this
|
|
* permission notice appear in supporting documentation.
|
|
*
|
|
* 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
|
|
* OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR 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.
|
|
*
|
|
* Except as contained in this notice, the name of a copyright holder
|
|
* shall not be used in advertising or otherwise to promote the sale, use
|
|
* or other dealings in this Software without prior written authorization
|
|
* of the copyright holder.
|
|
*
|
|
* Copyright © 2003 Keith Packard
|
|
*
|
|
* 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 Keith Packard not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Keith Packard makes no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL KEITH PACKARD 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 "compint.h"
|
|
#include "compositeext.h"
|
|
|
|
static int CompScreenPrivateKeyIndex;
|
|
DevPrivateKey CompScreenPrivateKey = &CompScreenPrivateKeyIndex;
|
|
static int CompWindowPrivateKeyIndex;
|
|
DevPrivateKey CompWindowPrivateKey = &CompWindowPrivateKeyIndex;
|
|
static int CompSubwindowsPrivateKeyIndex;
|
|
DevPrivateKey CompSubwindowsPrivateKey = &CompSubwindowsPrivateKeyIndex;
|
|
|
|
|
|
static Bool
|
|
compCloseScreen (int index, ScreenPtr pScreen)
|
|
{
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
Bool ret;
|
|
|
|
xfree (cs->alternateVisuals);
|
|
|
|
pScreen->CloseScreen = cs->CloseScreen;
|
|
pScreen->BlockHandler = cs->BlockHandler;
|
|
pScreen->InstallColormap = cs->InstallColormap;
|
|
pScreen->ChangeWindowAttributes = cs->ChangeWindowAttributes;
|
|
pScreen->ReparentWindow = cs->ReparentWindow;
|
|
pScreen->MoveWindow = cs->MoveWindow;
|
|
pScreen->ResizeWindow = cs->ResizeWindow;
|
|
pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
|
|
|
|
pScreen->ClipNotify = cs->ClipNotify;
|
|
pScreen->UnrealizeWindow = cs->UnrealizeWindow;
|
|
pScreen->RealizeWindow = cs->RealizeWindow;
|
|
pScreen->DestroyWindow = cs->DestroyWindow;
|
|
pScreen->CreateWindow = cs->CreateWindow;
|
|
pScreen->CopyWindow = cs->CopyWindow;
|
|
pScreen->PositionWindow = cs->PositionWindow;
|
|
|
|
xfree (cs);
|
|
dixSetPrivate(&pScreen->devPrivates, CompScreenPrivateKey, NULL);
|
|
ret = (*pScreen->CloseScreen) (index, pScreen);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
compInstallColormap (ColormapPtr pColormap)
|
|
{
|
|
VisualPtr pVisual = pColormap->pVisual;
|
|
ScreenPtr pScreen = pColormap->pScreen;
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
int a;
|
|
|
|
for (a = 0; a < cs->numAlternateVisuals; a++)
|
|
if (pVisual->vid == cs->alternateVisuals[a])
|
|
return;
|
|
pScreen->InstallColormap = cs->InstallColormap;
|
|
(*pScreen->InstallColormap) (pColormap);
|
|
cs->InstallColormap = pScreen->InstallColormap;
|
|
pScreen->InstallColormap = compInstallColormap;
|
|
}
|
|
|
|
/* Fake backing store via automatic redirection */
|
|
static Bool
|
|
compChangeWindowAttributes(WindowPtr pWin, unsigned long mask)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
Bool ret;
|
|
|
|
pScreen->ChangeWindowAttributes = cs->ChangeWindowAttributes;
|
|
ret = pScreen->ChangeWindowAttributes(pWin, mask);
|
|
|
|
if (ret && (mask & CWBackingStore) &&
|
|
pScreen->backingStoreSupport != NotUseful) {
|
|
if (pWin->backingStore != NotUseful) {
|
|
compRedirectWindow(serverClient, pWin, CompositeRedirectAutomatic);
|
|
pWin->backStorage = (pointer) (intptr_t) 1;
|
|
} else {
|
|
compUnredirectWindow(serverClient, pWin,
|
|
CompositeRedirectAutomatic);
|
|
pWin->backStorage = NULL;
|
|
}
|
|
}
|
|
|
|
pScreen->ChangeWindowAttributes = compChangeWindowAttributes;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
compScreenUpdate (ScreenPtr pScreen)
|
|
{
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
|
|
compCheckTree (pScreen);
|
|
if (cs->damaged)
|
|
{
|
|
compWindowUpdate (WindowTable[pScreen->myNum]);
|
|
cs->damaged = FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
compBlockHandler (int i,
|
|
pointer blockData,
|
|
pointer pTimeout,
|
|
pointer pReadmask)
|
|
{
|
|
ScreenPtr pScreen = screenInfo.screens[i];
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
|
|
pScreen->BlockHandler = cs->BlockHandler;
|
|
compScreenUpdate (pScreen);
|
|
(*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
|
|
cs->BlockHandler = pScreen->BlockHandler;
|
|
pScreen->BlockHandler = compBlockHandler;
|
|
}
|
|
|
|
/*
|
|
* Add alternate visuals -- always expose an ARGB32 and RGB24 visual
|
|
*/
|
|
|
|
static DepthPtr
|
|
compFindVisuallessDepth (ScreenPtr pScreen, int d)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < pScreen->numDepths; i++)
|
|
{
|
|
DepthPtr depth = &pScreen->allowedDepths[i];
|
|
if (depth->depth == d)
|
|
{
|
|
/*
|
|
* Make sure it doesn't have visuals already
|
|
*/
|
|
if (depth->numVids)
|
|
return 0;
|
|
/*
|
|
* looks fine
|
|
*/
|
|
return depth;
|
|
}
|
|
}
|
|
/*
|
|
* If there isn't one, then it's gonna be hard to have
|
|
* an associated visual
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Add a list of visual IDs to the list of visuals to implicitly redirect.
|
|
*/
|
|
static Bool
|
|
compRegisterAlternateVisuals (CompScreenPtr cs, VisualID *vids, int nVisuals)
|
|
{
|
|
VisualID *p;
|
|
|
|
p = xrealloc(cs->alternateVisuals,
|
|
sizeof(VisualID) * (cs->numAlternateVisuals + nVisuals));
|
|
if(p == NULL)
|
|
return FALSE;
|
|
|
|
memcpy(&p[cs->numAlternateVisuals], vids, sizeof(VisualID) * nVisuals);
|
|
|
|
cs->alternateVisuals = p;
|
|
cs->numAlternateVisuals += nVisuals;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
Bool CompositeRegisterAlternateVisuals (ScreenPtr pScreen, VisualID *vids,
|
|
int nVisuals)
|
|
{
|
|
CompScreenPtr cs = GetCompScreen (pScreen);
|
|
return compRegisterAlternateVisuals(cs, vids, nVisuals);
|
|
}
|
|
|
|
typedef struct _alternateVisual {
|
|
int depth;
|
|
CARD32 format;
|
|
} CompAlternateVisual;
|
|
|
|
static CompAlternateVisual altVisuals[] = {
|
|
#if COMP_INCLUDE_RGB24_VISUAL
|
|
{ 24, PICT_r8g8b8 },
|
|
#endif
|
|
{ 32, PICT_a8r8g8b8 },
|
|
};
|
|
|
|
static const int NUM_COMP_ALTERNATE_VISUALS = sizeof(altVisuals) /
|
|
sizeof(CompAlternateVisual);
|
|
|
|
static Bool
|
|
compAddAlternateVisual(ScreenPtr pScreen, CompScreenPtr cs,
|
|
CompAlternateVisual *alt)
|
|
{
|
|
VisualPtr visual;
|
|
DepthPtr depth;
|
|
PictFormatPtr pPictFormat;
|
|
unsigned long alphaMask;
|
|
|
|
/*
|
|
* The ARGB32 visual is always available. Other alternate depth visuals
|
|
* are only provided if their depth is less than the root window depth.
|
|
* There's no deep reason for this.
|
|
*/
|
|
if (alt->depth >= pScreen->rootDepth && alt->depth != 32)
|
|
return FALSE;
|
|
|
|
depth = compFindVisuallessDepth (pScreen, alt->depth);
|
|
if (!depth)
|
|
/* alt->depth doesn't exist or already has alternate visuals. */
|
|
return TRUE;
|
|
|
|
pPictFormat = PictureMatchFormat (pScreen, alt->depth, alt->format);
|
|
if (!pPictFormat)
|
|
return FALSE;
|
|
|
|
if (ResizeVisualArray(pScreen, 1, depth) == FALSE) {
|
|
return FALSE;
|
|
}
|
|
|
|
visual = pScreen->visuals + (pScreen->numVisuals - 1); /* the new one */
|
|
|
|
/* Initialize the visual */
|
|
visual->bitsPerRGBValue = 8;
|
|
if (PICT_FORMAT_TYPE(alt->format) == PICT_TYPE_COLOR) {
|
|
visual->class = PseudoColor;
|
|
visual->nplanes = PICT_FORMAT_BPP(alt->format);
|
|
visual->ColormapEntries = 1 << visual->nplanes;
|
|
} else {
|
|
DirectFormatRec *direct = &pPictFormat->direct;
|
|
visual->class = TrueColor;
|
|
visual->redMask = ((unsigned long)direct->redMask) << direct->red;
|
|
visual->greenMask = ((unsigned long)direct->greenMask) << direct->green;
|
|
visual->blueMask = ((unsigned long)direct->blueMask) << direct->blue;
|
|
alphaMask = ((unsigned long)direct->alphaMask) << direct->alpha;
|
|
visual->offsetRed = direct->red;
|
|
visual->offsetGreen = direct->green;
|
|
visual->offsetBlue = direct->blue;
|
|
/*
|
|
* Include A bits in this (unlike GLX which includes only RGB)
|
|
* This lets DIX compute suitable masks for colormap allocations
|
|
*/
|
|
visual->nplanes = Ones (visual->redMask |
|
|
visual->greenMask |
|
|
visual->blueMask |
|
|
alphaMask);
|
|
/* find widest component */
|
|
visual->ColormapEntries = (1 << max (Ones (visual->redMask),
|
|
max (Ones (visual->greenMask),
|
|
Ones (visual->blueMask))));
|
|
}
|
|
|
|
/* remember the visual ID to detect auto-update windows */
|
|
compRegisterAlternateVisuals(cs, &visual->vid, 1);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Bool
|
|
compAddAlternateVisuals (ScreenPtr pScreen, CompScreenPtr cs)
|
|
{
|
|
int alt, ret = 0;
|
|
|
|
for (alt = 0; alt < NUM_COMP_ALTERNATE_VISUALS; alt++)
|
|
ret |= compAddAlternateVisual(pScreen, cs, altVisuals + alt);
|
|
|
|
return !!ret;
|
|
}
|
|
|
|
Bool
|
|
compScreenInit (ScreenPtr pScreen)
|
|
{
|
|
CompScreenPtr cs;
|
|
|
|
if (GetCompScreen (pScreen))
|
|
return TRUE;
|
|
cs = (CompScreenPtr) xalloc (sizeof (CompScreenRec));
|
|
if (!cs)
|
|
return FALSE;
|
|
|
|
cs->damaged = FALSE;
|
|
cs->overlayWid = FakeClientID(0);
|
|
cs->pOverlayWin = NULL;
|
|
cs->pOverlayClients = NULL;
|
|
|
|
cs->numAlternateVisuals = 0;
|
|
cs->alternateVisuals = NULL;
|
|
|
|
if (!compAddAlternateVisuals (pScreen, cs))
|
|
{
|
|
xfree (cs);
|
|
return FALSE;
|
|
}
|
|
|
|
cs->PositionWindow = pScreen->PositionWindow;
|
|
pScreen->PositionWindow = compPositionWindow;
|
|
|
|
cs->CopyWindow = pScreen->CopyWindow;
|
|
pScreen->CopyWindow = compCopyWindow;
|
|
|
|
cs->CreateWindow = pScreen->CreateWindow;
|
|
pScreen->CreateWindow = compCreateWindow;
|
|
|
|
cs->DestroyWindow = pScreen->DestroyWindow;
|
|
pScreen->DestroyWindow = compDestroyWindow;
|
|
|
|
cs->RealizeWindow = pScreen->RealizeWindow;
|
|
pScreen->RealizeWindow = compRealizeWindow;
|
|
|
|
cs->UnrealizeWindow = pScreen->UnrealizeWindow;
|
|
pScreen->UnrealizeWindow = compUnrealizeWindow;
|
|
|
|
cs->ClipNotify = pScreen->ClipNotify;
|
|
pScreen->ClipNotify = compClipNotify;
|
|
|
|
cs->MoveWindow = pScreen->MoveWindow;
|
|
pScreen->MoveWindow = compMoveWindow;
|
|
|
|
cs->ResizeWindow = pScreen->ResizeWindow;
|
|
pScreen->ResizeWindow = compResizeWindow;
|
|
|
|
cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
|
|
pScreen->ChangeBorderWidth = compChangeBorderWidth;
|
|
|
|
cs->ReparentWindow = pScreen->ReparentWindow;
|
|
pScreen->ReparentWindow = compReparentWindow;
|
|
|
|
cs->InstallColormap = pScreen->InstallColormap;
|
|
pScreen->InstallColormap = compInstallColormap;
|
|
|
|
cs->ChangeWindowAttributes = pScreen->ChangeWindowAttributes;
|
|
pScreen->ChangeWindowAttributes = compChangeWindowAttributes;
|
|
|
|
cs->BlockHandler = pScreen->BlockHandler;
|
|
pScreen->BlockHandler = compBlockHandler;
|
|
|
|
cs->CloseScreen = pScreen->CloseScreen;
|
|
pScreen->CloseScreen = compCloseScreen;
|
|
|
|
dixSetPrivate(&pScreen->devPrivates, CompScreenPrivateKey, cs);
|
|
|
|
RegisterRealChildHeadProc(CompositeRealChildHead);
|
|
|
|
return TRUE;
|
|
}
|