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xserver/hw/dmx/dmxscrinit.c

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/*
* Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
*
* 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 on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/*
* Authors:
* Kevin E. Martin <kem@redhat.com>
* David H. Dawes <dawes@xfree86.org>
*
*/
/** \file
* This file provides support for screen initialization. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#include "dmx.h"
#include "dmxsync.h"
#include "dmxshadow.h"
#include "dmxscrinit.h"
#include "dmxcursor.h"
#include "dmxgc.h"
#include "dmxgcops.h"
#include "dmxwindow.h"
#include "dmxpixmap.h"
#include "dmxfont.h"
#include "dmxcmap.h"
#include "dmxprop.h"
#include "dmxdpms.h"
#ifdef RENDER
#include "dmxpict.h"
#endif
#include "fb.h"
#include "mipointer.h"
#include "micmap.h"
extern Bool dmxCloseScreen(int idx, ScreenPtr pScreen);
static Bool dmxSaveScreen(ScreenPtr pScreen, int what);
static unsigned long dmxGeneration;
static unsigned long *dmxCursorGeneration;
static int dmxGCPrivateKeyIndex;
DevPrivateKey dmxGCPrivateKey = &dmxGCPrivateKeyIndex; /**< Private index for GCs */
static int dmxWinPrivateKeyIndex;
DevPrivateKey dmxWinPrivateKey = &dmxWinPrivateKeyIndex; /**< Private index for Windows */
static int dmxPixPrivateKeyIndex;
DevPrivateKey dmxPixPrivateKey = &dmxPixPrivateKeyIndex; /**< Private index for Pixmaps */
int dmxFontPrivateIndex; /**< Private index for Fonts */
static int dmxScreenPrivateKeyIndex;
DevPrivateKey dmxScreenPrivateKey = &dmxScreenPrivateKeyIndex; /**< Private index for Screens */
static int dmxColormapPrivateKeyIndex;
DevPrivateKey dmxColormapPrivateKey = &dmxColormapPrivateKeyIndex; /**< Private index for Colormaps */
#ifdef RENDER
static int dmxPictPrivateKeyIndex;
DevPrivateKey dmxPictPrivateKey = &dmxPictPrivateKeyIndex; /**< Private index for Picts */
static int dmxGlyphSetPrivateKeyIndex;
DevPrivateKey dmxGlyphSetPrivateKey = &dmxGlyphSetPrivateKeyIndex; /**< Private index for GlyphSets */
#endif
/** Initialize the parts of screen \a idx that require access to the
* back-end server. */
void dmxBEScreenInit(int idx, ScreenPtr pScreen)
{
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
XSetWindowAttributes attribs;
XGCValues gcvals;
unsigned long mask;
int i, j;
/* FIXME: The dmxScreenInit() code currently assumes that it will
* not be called if the Xdmx server is started with this screen
* detached -- i.e., it assumes that dmxScreen->beDisplay is always
* valid. This is not necessarily a valid assumption when full
* addition/removal of screens is implemented, but when this code is
* broken out for screen reattachment, then we will reevaluate this
* assumption.
*/
pScreen->mmWidth = DisplayWidthMM(dmxScreen->beDisplay,
DefaultScreen(dmxScreen->beDisplay));
pScreen->mmHeight = DisplayHeightMM(dmxScreen->beDisplay,
DefaultScreen(dmxScreen->beDisplay));
pScreen->whitePixel = dmxScreen->beWhitePixel;
pScreen->blackPixel = dmxScreen->beBlackPixel;
/* Handle screen savers and DPMS on the backend */
dmxDPMSInit(dmxScreen);
/* Create root window for screen */
mask = CWBackPixel | CWEventMask | CWColormap | CWOverrideRedirect;
attribs.background_pixel = dmxScreen->beBlackPixel;
attribs.event_mask = (KeyPressMask
| KeyReleaseMask
| ButtonPressMask
| ButtonReleaseMask
| EnterWindowMask
| LeaveWindowMask
| PointerMotionMask
| KeymapStateMask
| FocusChangeMask);
attribs.colormap = dmxScreen->beDefColormaps[dmxScreen->beDefVisualIndex];
attribs.override_redirect = True;
dmxScreen->scrnWin =
XCreateWindow(dmxScreen->beDisplay,
DefaultRootWindow(dmxScreen->beDisplay),
dmxScreen->scrnX,
dmxScreen->scrnY,
dmxScreen->scrnWidth,
dmxScreen->scrnHeight,
0,
pScreen->rootDepth,
InputOutput,
dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
mask,
&attribs);
dmxPropertyWindow(dmxScreen);
/*
* This turns off the cursor by defining a cursor with no visible
* components.
*/
{
char noCursorData[] = {0, 0, 0, 0,
0, 0, 0, 0};
Pixmap pixmap;
XColor color, tmp;
pixmap = XCreateBitmapFromData(dmxScreen->beDisplay, dmxScreen->scrnWin,
noCursorData, 8, 8);
XAllocNamedColor(dmxScreen->beDisplay, dmxScreen->beDefColormaps[0],
"black", &color, &tmp);
dmxScreen->noCursor = XCreatePixmapCursor(dmxScreen->beDisplay,
pixmap, pixmap,
&color, &color, 0, 0);
XDefineCursor(dmxScreen->beDisplay, dmxScreen->scrnWin,
dmxScreen->noCursor);
XFreePixmap(dmxScreen->beDisplay, pixmap);
}
XMapWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
if (dmxShadowFB) {
mask = (GCFunction
| GCPlaneMask
| GCClipMask);
gcvals.function = GXcopy;
gcvals.plane_mask = AllPlanes;
gcvals.clip_mask = None;
dmxScreen->shadowGC = XCreateGC(dmxScreen->beDisplay,
dmxScreen->scrnWin,
mask, &gcvals);
dmxScreen->shadowFBImage =
XCreateImage(dmxScreen->beDisplay,
dmxScreen->beVisuals[dmxScreen->beDefVisualIndex].visual,
dmxScreen->beDepth,
ZPixmap,
0,
(char *)dmxScreen->shadow,
dmxScreen->scrnWidth, dmxScreen->scrnHeight,
dmxScreen->beBPP,
PixmapBytePad(dmxScreen->scrnWidth,
dmxScreen->beBPP));
} else {
/* Create default drawables (used during GC creation) */
for (i = 0; i < dmxScreen->beNumPixmapFormats; i++)
for (j = 0; j < dmxScreen->beNumDepths; j++)
if ((dmxScreen->bePixmapFormats[i].depth == 1) ||
(dmxScreen->bePixmapFormats[i].depth ==
dmxScreen->beDepths[j])) {
dmxScreen->scrnDefDrawables[i] = (Drawable)
XCreatePixmap(dmxScreen->beDisplay, dmxScreen->scrnWin,
1, 1, dmxScreen->bePixmapFormats[i].depth);
break;
}
}
}
/** Initialize screen number \a idx. */
Bool dmxScreenInit(int idx, ScreenPtr pScreen, int argc, char *argv[])
{
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
int i, j;
if (dmxGeneration != serverGeneration) {
/* Allocate font private index */
dmxFontPrivateIndex = AllocateFontPrivateIndex();
if (dmxFontPrivateIndex == -1)
return FALSE;
dmxGeneration = serverGeneration;
}
if (dmxShadowFB) {
dmxScreen->shadow = shadowAlloc(dmxScreen->scrnWidth,
dmxScreen->scrnHeight,
dmxScreen->beBPP);
} else {
if (!dmxInitGC(pScreen)) return FALSE;
if (!dmxInitWindow(pScreen)) return FALSE;
if (!dmxInitPixmap(pScreen)) return FALSE;
}
/*
* Initalise the visual types. miSetVisualTypesAndMasks() requires
* that all of the types for each depth be collected together. It's
* intended for slightly different usage to what we would like here.
* Maybe a miAddVisualTypeAndMask() function will be added to make
* things easier here.
*/
for (i = 0; i < dmxScreen->beNumDepths; i++) {
int depth;
int visuals = 0;
int bitsPerRgb = 0;
int preferredClass = -1;
Pixel redMask = 0;
Pixel greenMask = 0;
Pixel blueMask = 0;
depth = dmxScreen->beDepths[i];
for (j = 0; j < dmxScreen->beNumVisuals; j++) {
XVisualInfo *vi;
vi = &dmxScreen->beVisuals[j];
if (vi->depth == depth) {
/* Assume the masks are all the same. */
visuals |= (1 << vi->class);
bitsPerRgb = vi->bits_per_rgb;
redMask = vi->red_mask;
greenMask = vi->green_mask;
blueMask = vi->blue_mask;
if (j == dmxScreen->beDefVisualIndex) {
preferredClass = vi->class;
}
}
}
miSetVisualTypesAndMasks(depth, visuals, bitsPerRgb, preferredClass,
redMask, greenMask, blueMask);
}
fbScreenInit(pScreen,
dmxShadowFB ? dmxScreen->shadow : NULL,
dmxScreen->scrnWidth,
dmxScreen->scrnHeight,
dmxScreen->beXDPI,
dmxScreen->beXDPI,
dmxScreen->scrnWidth,
dmxScreen->beBPP);
#ifdef RENDER
(void)dmxPictureInit(pScreen, 0, 0);
#endif
if (dmxShadowFB && !shadowInit(pScreen, dmxShadowUpdateProc, NULL))
return FALSE;
miInitializeBackingStore(pScreen);
if (dmxShadowFB) {
miDCInitialize(pScreen, &dmxPointerCursorFuncs);
} else {
MAXSCREENSALLOC(dmxCursorGeneration);
if (dmxCursorGeneration[idx] != serverGeneration) {
if (!(miPointerInitialize(pScreen,
&dmxPointerSpriteFuncs,
&dmxPointerCursorFuncs,
FALSE)))
return FALSE;
dmxCursorGeneration[idx] = serverGeneration;
}
}
DMX_WRAP(CloseScreen, dmxCloseScreen, dmxScreen, pScreen);
DMX_WRAP(SaveScreen, dmxSaveScreen, dmxScreen, pScreen);
dmxBEScreenInit(idx, pScreen);
if (!dmxShadowFB) {
/* Wrap GC functions */
DMX_WRAP(CreateGC, dmxCreateGC, dmxScreen, pScreen);
/* Wrap Window functions */
DMX_WRAP(CreateWindow, dmxCreateWindow, dmxScreen, pScreen);
DMX_WRAP(DestroyWindow, dmxDestroyWindow, dmxScreen, pScreen);
DMX_WRAP(PositionWindow, dmxPositionWindow, dmxScreen, pScreen);
DMX_WRAP(ChangeWindowAttributes, dmxChangeWindowAttributes, dmxScreen,
pScreen);
DMX_WRAP(RealizeWindow, dmxRealizeWindow, dmxScreen, pScreen);
DMX_WRAP(UnrealizeWindow, dmxUnrealizeWindow, dmxScreen, pScreen);
DMX_WRAP(RestackWindow, dmxRestackWindow, dmxScreen, pScreen);
DMX_WRAP(WindowExposures, dmxWindowExposures, dmxScreen, pScreen);
DMX_WRAP(CopyWindow, dmxCopyWindow, dmxScreen, pScreen);
DMX_WRAP(ResizeWindow, dmxResizeWindow, dmxScreen, pScreen);
DMX_WRAP(ReparentWindow, dmxReparentWindow, dmxScreen, pScreen);
DMX_WRAP(ChangeBorderWidth, dmxChangeBorderWidth, dmxScreen, pScreen);
/* Wrap Image functions */
DMX_WRAP(GetImage, dmxGetImage, dmxScreen, pScreen);
DMX_WRAP(GetSpans, dmxGetSpans, dmxScreen, pScreen);
/* Wrap Pixmap functions */
DMX_WRAP(CreatePixmap, dmxCreatePixmap, dmxScreen, pScreen);
DMX_WRAP(DestroyPixmap, dmxDestroyPixmap, dmxScreen, pScreen);
DMX_WRAP(BitmapToRegion, dmxBitmapToRegion, dmxScreen, pScreen);
/* Wrap Font functions */
DMX_WRAP(RealizeFont, dmxRealizeFont, dmxScreen, pScreen);
DMX_WRAP(UnrealizeFont, dmxUnrealizeFont, dmxScreen, pScreen);
/* Wrap Colormap functions */
DMX_WRAP(CreateColormap, dmxCreateColormap, dmxScreen, pScreen);
DMX_WRAP(DestroyColormap, dmxDestroyColormap, dmxScreen, pScreen);
DMX_WRAP(InstallColormap, dmxInstallColormap, dmxScreen, pScreen);
DMX_WRAP(StoreColors, dmxStoreColors, dmxScreen, pScreen);
/* Wrap Shape functions */
DMX_WRAP(SetShape, dmxSetShape, dmxScreen, pScreen);
}
if (!dmxCreateDefColormap(pScreen))
return FALSE;
return TRUE;
}
/** Close the \a pScreen resources on the back-end server. */
void dmxBECloseScreen(ScreenPtr pScreen)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
int i;
/* Restore the back-end screen-saver and DPMS state. */
dmxDPMSTerm(dmxScreen);
/* Free the screen resources */
XFreeCursor(dmxScreen->beDisplay, dmxScreen->noCursor);
dmxScreen->noCursor = (Cursor)0;
XUnmapWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
XDestroyWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
dmxScreen->scrnWin = (Window)0;
if (dmxShadowFB) {
/* Free the shadow GC and image assocated with the back-end server */
XFreeGC(dmxScreen->beDisplay, dmxScreen->shadowGC);
dmxScreen->shadowGC = NULL;
XFree(dmxScreen->shadowFBImage);
dmxScreen->shadowFBImage = NULL;
} else {
/* Free the default drawables */
for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) {
XFreePixmap(dmxScreen->beDisplay, dmxScreen->scrnDefDrawables[i]);
dmxScreen->scrnDefDrawables[i] = (Drawable)0;
}
}
/* Free resources allocated during initialization (in dmxinit.c) */
for (i = 0; i < dmxScreen->beNumDefColormaps; i++)
XFreeColormap(dmxScreen->beDisplay, dmxScreen->beDefColormaps[i]);
xfree(dmxScreen->beDefColormaps);
dmxScreen->beDefColormaps = NULL;
#if 0
/* Do not free visuals, depths and pixmap formats here. Free them
* in dmxCloseScreen() instead -- see comment below. */
XFree(dmxScreen->beVisuals);
dmxScreen->beVisuals = NULL;
XFree(dmxScreen->beDepths);
dmxScreen->beDepths = NULL;
XFree(dmxScreen->bePixmapFormats);
dmxScreen->bePixmapFormats = NULL;
#endif
#ifdef GLXEXT
if (dmxScreen->glxVisuals) {
XFree(dmxScreen->glxVisuals);
dmxScreen->glxVisuals = NULL;
dmxScreen->numGlxVisuals = 0;
}
#endif
/* Close display */
XCloseDisplay(dmxScreen->beDisplay);
dmxScreen->beDisplay = NULL;
}
/** Close screen number \a idx. */
Bool dmxCloseScreen(int idx, ScreenPtr pScreen)
{
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
/* Reset the proc vectors */
if (idx == 0) {
#ifdef RENDER
dmxResetRender();
#endif
dmxResetFonts();
}
if (dmxShadowFB) {
/* Free the shadow framebuffer */
xfree(dmxScreen->shadow);
} else {
/* Unwrap Shape functions */
DMX_UNWRAP(SetShape, dmxScreen, pScreen);
/* Unwrap the pScreen functions */
DMX_UNWRAP(CreateGC, dmxScreen, pScreen);
DMX_UNWRAP(CreateWindow, dmxScreen, pScreen);
DMX_UNWRAP(DestroyWindow, dmxScreen, pScreen);
DMX_UNWRAP(PositionWindow, dmxScreen, pScreen);
DMX_UNWRAP(ChangeWindowAttributes, dmxScreen, pScreen);
DMX_UNWRAP(RealizeWindow, dmxScreen, pScreen);
DMX_UNWRAP(UnrealizeWindow, dmxScreen, pScreen);
DMX_UNWRAP(RestackWindow, dmxScreen, pScreen);
DMX_UNWRAP(WindowExposures, dmxScreen, pScreen);
DMX_UNWRAP(CopyWindow, dmxScreen, pScreen);
DMX_UNWRAP(ResizeWindow, dmxScreen, pScreen);
DMX_UNWRAP(ReparentWindow, dmxScreen, pScreen);
DMX_UNWRAP(ChangeBorderWidth, dmxScreen, pScreen);
DMX_UNWRAP(GetImage, dmxScreen, pScreen);
DMX_UNWRAP(GetSpans, dmxScreen, pScreen);
DMX_UNWRAP(CreatePixmap, dmxScreen, pScreen);
DMX_UNWRAP(DestroyPixmap, dmxScreen, pScreen);
DMX_UNWRAP(BitmapToRegion, dmxScreen, pScreen);
DMX_UNWRAP(RealizeFont, dmxScreen, pScreen);
DMX_UNWRAP(UnrealizeFont, dmxScreen, pScreen);
DMX_UNWRAP(CreateColormap, dmxScreen, pScreen);
DMX_UNWRAP(DestroyColormap, dmxScreen, pScreen);
DMX_UNWRAP(InstallColormap, dmxScreen, pScreen);
DMX_UNWRAP(StoreColors, dmxScreen, pScreen);
}
DMX_UNWRAP(SaveScreen, dmxScreen, pScreen);
if (dmxScreen->beDisplay) {
dmxBECloseScreen(pScreen);
#if 1
/* Free visuals, depths and pixmap formats here so that they
* won't be freed when a screen is detached, thereby allowing
* the screen to be reattached to be compared to the one
* previously removed.
*/
XFree(dmxScreen->beVisuals);
dmxScreen->beVisuals = NULL;
XFree(dmxScreen->beDepths);
dmxScreen->beDepths = NULL;
XFree(dmxScreen->bePixmapFormats);
dmxScreen->bePixmapFormats = NULL;
#endif
}
DMX_UNWRAP(CloseScreen, dmxScreen, pScreen);
return pScreen->CloseScreen(idx, pScreen);
}
static Bool dmxSaveScreen(ScreenPtr pScreen, int what)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
if (dmxScreen->beDisplay) {
switch (what) {
case SCREEN_SAVER_OFF:
case SCREEN_SAVER_FORCER:
XResetScreenSaver(dmxScreen->beDisplay);
dmxSync(dmxScreen, FALSE);
break;
case SCREEN_SAVER_ON:
case SCREEN_SAVER_CYCLE:
XActivateScreenSaver(dmxScreen->beDisplay);
dmxSync(dmxScreen, FALSE);
break;
}
}
return TRUE;
}
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