xenocara/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 "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"
#include "dmxpict.h"
#include "fb.h"
#include "mipointer.h"
#include "micmap.h"
#include <X11/fonts/libxfont2.h>
extern Bool dmxCloseScreen(ScreenPtr pScreen);
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static Bool dmxSaveScreen(ScreenPtr pScreen, int what);
static unsigned long dmxGeneration;
static unsigned long *dmxCursorGeneration;
DevPrivateKeyRec dmxGCPrivateKeyRec;
DevPrivateKeyRec dmxWinPrivateKeyRec;
DevPrivateKeyRec dmxPixPrivateKeyRec;
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int dmxFontPrivateIndex; /**< Private index for Fonts */
DevPrivateKeyRec dmxScreenPrivateKeyRec;
DevPrivateKeyRec dmxColormapPrivateKeyRec;
DevPrivateKeyRec dmxPictPrivateKeyRec;
DevPrivateKeyRec dmxGlyphSetPrivateKeyRec;
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#ifdef DPMSExtension
static void
dmxDPMS(ScreenPtr pScreen, int level)
{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
dmxDPMSBackend(dmxScreen, level);
}
#else
#define dmxDPMS NULL
#endif
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/** Initialize the parts of screen \a idx that require access to the
* back-end server. */
void
dmxBEScreenInit(ScreenPtr pScreen)
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{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
XSetWindowAttributes attribs;
unsigned long mask;
int i, j;
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/* 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));
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pScreen->whitePixel = dmxScreen->beWhitePixel;
pScreen->blackPixel = dmxScreen->beBlackPixel;
/* Handle screen savers and DPMS on the backend */
if (dmxDPMSInit(dmxScreen))
pScreen->DPMS = dmxDPMS;
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/* 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);
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attribs.colormap = dmxScreen->beDefColormaps[dmxScreen->beDefVisualIndex];
attribs.override_redirect = True;
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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);
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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);
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}
XMapWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
/* 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;
}
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}
/** Initialize screen number \a pScreen->myNum. */
Bool
dmxScreenInit(ScreenPtr pScreen, int argc, char *argv[])
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{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
int i, j;
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if (!dixRegisterPrivateKey(&dmxScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
return FALSE;
if (!dixRegisterPrivateKey(&dmxColormapPrivateKeyRec, PRIVATE_COLORMAP, 0))
return FALSE;
if (!dixRegisterPrivateKey(&dmxGlyphSetPrivateKeyRec, PRIVATE_GLYPHSET, 0))
return FALSE;
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if (dmxGeneration != serverGeneration) {
/* Allocate font private index */
dmxFontPrivateIndex = xfont2_allocate_font_private_index();
if (dmxFontPrivateIndex == -1)
return FALSE;
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dmxGeneration = serverGeneration;
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}
if (!dmxInitGC(pScreen))
return FALSE;
if (!dmxInitWindow(pScreen))
return FALSE;
if (!dmxInitPixmap(pScreen))
return FALSE;
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/*
* 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);
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}
fbScreenInit(pScreen,
NULL,
dmxScreen->scrnWidth,
dmxScreen->scrnHeight,
dmxScreen->beXDPI,
dmxScreen->beXDPI, dmxScreen->scrnWidth, dmxScreen->beBPP);
(void) dmxPictureInit(pScreen, 0, 0);
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/* Not yet... */
pScreen->GetWindowPixmap = NULL;
pScreen->SetWindowPixmap = NULL;
MAXSCREENSALLOC(dmxCursorGeneration);
if (dmxCursorGeneration[pScreen->myNum] != serverGeneration) {
if (!(miPointerInitialize(pScreen,
&dmxPointerSpriteFuncs,
&dmxPointerCursorFuncs, FALSE)))
return FALSE;
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dmxCursorGeneration[pScreen->myNum] = serverGeneration;
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}
DMX_WRAP(CloseScreen, dmxCloseScreen, dmxScreen, pScreen);
DMX_WRAP(SaveScreen, dmxSaveScreen, dmxScreen, pScreen);
dmxBEScreenInit(pScreen);
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/* 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);
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if (!dmxCreateDefColormap(pScreen))
return FALSE;
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return TRUE;
}
/** Close the \a pScreen resources on the back-end server. */
void
dmxBECloseScreen(ScreenPtr pScreen)
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{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
int i;
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/* Restore the back-end screen-saver and DPMS state. */
dmxDPMSTerm(dmxScreen);
/* Free the screen resources */
XFreeCursor(dmxScreen->beDisplay, dmxScreen->noCursor);
dmxScreen->noCursor = (Cursor) 0;
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XUnmapWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
XDestroyWindow(dmxScreen->beDisplay, dmxScreen->scrnWin);
dmxScreen->scrnWin = (Window) 0;
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/* Free the default drawables */
for (i = 0; i < dmxScreen->beNumPixmapFormats; i++) {
if (dmxScreen->scrnDefDrawables[i]) {
XFreePixmap(dmxScreen->beDisplay,
dmxScreen->scrnDefDrawables[i]);
dmxScreen->scrnDefDrawables[i] = (Drawable) 0;
}
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}
/* Free resources allocated during initialization (in dmxinit.c) */
for (i = 0; i < dmxScreen->beNumDefColormaps; i++)
XFreeColormap(dmxScreen->beDisplay, dmxScreen->beDefColormaps[i]);
free(dmxScreen->beDefColormaps);
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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;
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}
#endif
/* Close display */
XCloseDisplay(dmxScreen->beDisplay);
dmxScreen->beDisplay = NULL;
}
/** Close screen number \a idx. */
Bool
dmxCloseScreen(ScreenPtr pScreen)
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{
DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
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/* Reset the proc vectors */
if (pScreen->myNum == 0) {
dmxResetRender();
dmxResetFonts();
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}
/* Unwrap Shape functions */
DMX_UNWRAP(SetShape, dmxScreen, pScreen);
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/* Unwrap the pScreen functions */
DMX_UNWRAP(CreateGC, dmxScreen, pScreen);
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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);
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DMX_UNWRAP(ResizeWindow, dmxScreen, pScreen);
DMX_UNWRAP(ReparentWindow, dmxScreen, pScreen);
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DMX_UNWRAP(ChangeBorderWidth, dmxScreen, pScreen);
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DMX_UNWRAP(GetImage, dmxScreen, pScreen);
DMX_UNWRAP(GetSpans, dmxScreen, pScreen);
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DMX_UNWRAP(CreatePixmap, dmxScreen, pScreen);
DMX_UNWRAP(DestroyPixmap, dmxScreen, pScreen);
DMX_UNWRAP(BitmapToRegion, dmxScreen, pScreen);
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DMX_UNWRAP(RealizeFont, dmxScreen, pScreen);
DMX_UNWRAP(UnrealizeFont, dmxScreen, pScreen);
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DMX_UNWRAP(CreateColormap, dmxScreen, pScreen);
DMX_UNWRAP(DestroyColormap, dmxScreen, pScreen);
DMX_UNWRAP(InstallColormap, dmxScreen, pScreen);
DMX_UNWRAP(StoreColors, dmxScreen, pScreen);
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DMX_UNWRAP(SaveScreen, dmxScreen, pScreen);
if (dmxScreen->beDisplay) {
dmxBECloseScreen(pScreen);
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#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;
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#endif
}
DMX_UNWRAP(CloseScreen, dmxScreen, pScreen);
return pScreen->CloseScreen(pScreen);
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}
static Bool
dmxSaveScreen(ScreenPtr pScreen, int what)
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{
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;
}
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}
return TRUE;
}