961333143e
not, DamageSetup will wrap some operations first, and the cw
initializes during ExtensionInit, so cw comes higher in the wrapping
chain. cw going first will result in damage getting confused when the
drawables get changed around.
367 lines
9.9 KiB
C
367 lines
9.9 KiB
C
/*
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* $Id$
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*
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* Copyright © 2003 Keith Packard
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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 Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "compint.h"
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int CompScreenPrivateIndex;
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int CompWindowPrivateIndex;
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int CompSubwindowsPrivateIndex;
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int CompGeneration;
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static Bool
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compCloseScreen (int index, ScreenPtr pScreen)
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{
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CompScreenPtr cs = GetCompScreen (pScreen);
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Bool ret;
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pScreen->CloseScreen = cs->CloseScreen;
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pScreen->BlockHandler = cs->BlockHandler;
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pScreen->ReparentWindow = cs->ReparentWindow;
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pScreen->MoveWindow = cs->MoveWindow;
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pScreen->ResizeWindow = cs->ResizeWindow;
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pScreen->ChangeBorderWidth = cs->ChangeBorderWidth;
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pScreen->ClipNotify = cs->ClipNotify;
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pScreen->PaintWindowBackground = cs->PaintWindowBackground;
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pScreen->UnrealizeWindow = cs->UnrealizeWindow;
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pScreen->RealizeWindow = cs->RealizeWindow;
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pScreen->DestroyWindow = cs->DestroyWindow;
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pScreen->CreateWindow = cs->CreateWindow;
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pScreen->CopyWindow = cs->CopyWindow;
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pScreen->PositionWindow = cs->PositionWindow;
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xfree (cs);
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pScreen->devPrivates[CompScreenPrivateIndex].ptr = 0;
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ret = (*pScreen->CloseScreen) (index, pScreen);
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return ret;
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}
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static void
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compScreenUpdate (ScreenPtr pScreen)
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{
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CompScreenPtr cs = GetCompScreen (pScreen);
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compCheckTree (pScreen);
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if (cs->damaged)
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{
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compWindowUpdate (WindowTable[pScreen->myNum]);
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cs->damaged = FALSE;
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}
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}
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static void
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compBlockHandler (int i,
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pointer blockData,
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pointer pTimeout,
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pointer pReadmask)
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{
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ScreenPtr pScreen = screenInfo.screens[i];
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CompScreenPtr cs = GetCompScreen (pScreen);
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pScreen->BlockHandler = cs->BlockHandler;
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compScreenUpdate (pScreen);
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(*pScreen->BlockHandler) (i, blockData, pTimeout, pReadmask);
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cs->BlockHandler = pScreen->BlockHandler;
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pScreen->BlockHandler = compBlockHandler;
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}
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/*
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* Add alternate visuals -- always expose an ARGB32 and RGB24 visual
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*/
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static DepthPtr
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compFindVisuallessDepth (ScreenPtr pScreen, int d)
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{
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int i;
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for (i = 0; i < pScreen->numDepths; i++)
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{
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DepthPtr depth = &pScreen->allowedDepths[i];
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if (depth->depth == d)
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{
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/*
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* Make sure it doesn't have visuals already
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*/
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if (depth->numVids)
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return 0;
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/*
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* looks fine
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*/
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return depth;
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}
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}
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/*
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* If there isn't one, then it's gonna be hard to have
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* an associated visual
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*/
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return 0;
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}
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typedef struct _alternateVisual {
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int depth;
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CARD32 format;
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} CompAlternateVisual;
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static CompAlternateVisual altVisuals[NUM_COMP_ALTERNATE_VISUALS] = {
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{ 24, PICT_r8g8b8 },
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{ 32, PICT_a8r8g8b8 },
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};
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static Bool
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compAddAlternateVisuals (ScreenPtr pScreen, CompScreenPtr cs)
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{
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VisualPtr visuals;
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DepthPtr depths[NUM_COMP_ALTERNATE_VISUALS];
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PictFormatPtr pPictFormats[NUM_COMP_ALTERNATE_VISUALS];
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int i;
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int numVisuals;
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VisualID *vids[NUM_COMP_ALTERNATE_VISUALS];
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XID *installedCmaps;
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ColormapPtr installedCmap;
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int numInstalledCmaps;
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int numAlternate = 0;
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int alt;
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memset (cs->alternateVisuals, '\0', sizeof (cs->alternateVisuals));
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for (alt = 0; alt < NUM_COMP_ALTERNATE_VISUALS; alt++)
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{
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DepthPtr depth;
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PictFormatPtr pPictFormat;
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depth = compFindVisuallessDepth (pScreen, altVisuals[alt].depth);
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if (!depth)
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continue;
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/*
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* Find the right picture format
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*/
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pPictFormat = PictureMatchFormat (pScreen, altVisuals[alt].depth,
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altVisuals[alt].format);
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if (!pPictFormat)
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continue;
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/*
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* Ok, create a visual id for this format
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*/
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cs->alternateVisuals[numAlternate] = FakeClientID (0);
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/*
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* Allocate vid list for this depth
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*/
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vids[numAlternate] = xalloc (sizeof (VisualID));
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if (!vids[numAlternate])
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continue;
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depths[numAlternate] = depth;
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pPictFormats[numAlternate] = pPictFormat;
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numAlternate++;
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}
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if (!numAlternate)
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return TRUE;
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/*
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* Find the installed colormaps
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*/
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installedCmaps = xalloc (pScreen->maxInstalledCmaps * sizeof (XID));
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if (!installedCmaps)
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{
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for (alt = 0; alt < numAlternate; alt++)
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xfree (vids[alt]);
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return FALSE;
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}
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numInstalledCmaps = (*pScreen->ListInstalledColormaps) (pScreen,
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installedCmaps);
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/*
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* realloc the visual array to fit the new one in place
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*/
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numVisuals = pScreen->numVisuals;
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visuals = xrealloc (pScreen->visuals,
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(numVisuals + numAlternate) * sizeof (VisualRec));
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if (!visuals)
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{
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for (alt = 0; alt < numAlternate; alt++)
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xfree (vids[alt]);
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xfree (installedCmaps);
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return FALSE;
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}
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/*
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* Fix up any existing installed colormaps -- we'll assume that
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* the only ones created so far have been installed. If this
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* isn't true, we'll have to walk the resource database looking
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* for all colormaps.
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*/
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for (i = 0; i < numInstalledCmaps; i++)
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{
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int j;
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installedCmap = LookupIDByType (installedCmaps[i], RT_COLORMAP);
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if (!installedCmap)
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continue;
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j = installedCmap->pVisual - pScreen->visuals;
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installedCmap->pVisual = &visuals[j];
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}
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xfree (installedCmaps);
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pScreen->visuals = visuals;
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pScreen->numVisuals = numVisuals + numAlternate;
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for (alt = 0; alt < numAlternate; alt++)
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{
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DepthPtr depth = depths[alt];
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PictFormatPtr pPictFormat = pPictFormats[alt];
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VisualPtr visual = &visuals[numVisuals + alt];
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/*
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* Initialize the visual
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*/
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visual->class = TrueColor;
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visual->bitsPerRGBValue = 8;
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visual->vid = FakeClientID (0);
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visual->redMask = (((unsigned long) pPictFormat->direct.redMask) <<
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pPictFormat->direct.red);
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visual->greenMask = (((unsigned long) pPictFormat->direct.greenMask) <<
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pPictFormat->direct.green);
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visual->blueMask = (((unsigned long) pPictFormat->direct.blueMask) <<
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pPictFormat->direct.blue);
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visual->offsetRed = pPictFormat->direct.red;
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visual->offsetGreen = pPictFormat->direct.green;
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visual->offsetBlue = pPictFormat->direct.blue;
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/*
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* follow GLX and set nplanes to just the bits
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* used for the RGB value, not A
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*/
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visual->nplanes = Ones (visual->redMask |
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visual->greenMask |
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visual->blueMask);
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/*
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* find widest component
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*/
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visual->ColormapEntries = (1 << max (Ones (visual->redMask),
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max (Ones (visual->greenMask),
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Ones (visual->blueMask))));
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/*
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* remember the visual ID to detect auto-update windows
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*/
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cs->alternateVisuals[alt] = visual->vid;
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/*
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* Fix up the depth
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*/
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vids[alt][0] = visual->vid;
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depth->numVids = 1;
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depth->vids = vids[alt];
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}
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return TRUE;
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}
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Bool
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compScreenInit (ScreenPtr pScreen)
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{
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CompScreenPtr cs;
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if (CompGeneration != serverGeneration)
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{
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CompScreenPrivateIndex = AllocateScreenPrivateIndex ();
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if (CompScreenPrivateIndex == -1)
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return FALSE;
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CompWindowPrivateIndex = AllocateWindowPrivateIndex ();
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if (CompWindowPrivateIndex == -1)
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return FALSE;
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CompSubwindowsPrivateIndex = AllocateWindowPrivateIndex ();
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if (CompSubwindowsPrivateIndex == -1)
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return FALSE;
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CompGeneration = serverGeneration;
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}
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if (!AllocateWindowPrivate (pScreen, CompWindowPrivateIndex, 0))
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return FALSE;
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if (!AllocateWindowPrivate (pScreen, CompSubwindowsPrivateIndex, 0))
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return FALSE;
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if (GetCompScreen (pScreen))
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return TRUE;
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cs = (CompScreenPtr) xalloc (sizeof (CompScreenRec));
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if (!cs)
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return FALSE;
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cs->damaged = FALSE;
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if (!compAddAlternateVisuals (pScreen, cs))
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{
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xfree (cs);
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return FALSE;
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}
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cs->PositionWindow = pScreen->PositionWindow;
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pScreen->PositionWindow = compPositionWindow;
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cs->CopyWindow = pScreen->CopyWindow;
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pScreen->CopyWindow = compCopyWindow;
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cs->CreateWindow = pScreen->CreateWindow;
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pScreen->CreateWindow = compCreateWindow;
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cs->DestroyWindow = pScreen->DestroyWindow;
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pScreen->DestroyWindow = compDestroyWindow;
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cs->RealizeWindow = pScreen->RealizeWindow;
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pScreen->RealizeWindow = compRealizeWindow;
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cs->UnrealizeWindow = pScreen->UnrealizeWindow;
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pScreen->UnrealizeWindow = compUnrealizeWindow;
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cs->PaintWindowBackground = pScreen->PaintWindowBackground;
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pScreen->PaintWindowBackground = compPaintWindowBackground;
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cs->ClipNotify = pScreen->ClipNotify;
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pScreen->ClipNotify = compClipNotify;
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cs->MoveWindow = pScreen->MoveWindow;
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pScreen->MoveWindow = compMoveWindow;
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cs->ResizeWindow = pScreen->ResizeWindow;
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pScreen->ResizeWindow = compResizeWindow;
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cs->ChangeBorderWidth = pScreen->ChangeBorderWidth;
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pScreen->ChangeBorderWidth = compChangeBorderWidth;
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cs->ReparentWindow = pScreen->ReparentWindow;
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pScreen->ReparentWindow = compReparentWindow;
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cs->BlockHandler = pScreen->BlockHandler;
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pScreen->BlockHandler = compBlockHandler;
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cs->CloseScreen = pScreen->CloseScreen;
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pScreen->CloseScreen = compCloseScreen;
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pScreen->devPrivates[CompScreenPrivateIndex].ptr = (pointer) cs;
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return TRUE;
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}
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