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-rw-r--r--xorg-server/hw/dmx/dmxscrinit.c522
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diff --git a/xorg-server/hw/dmx/dmxscrinit.c b/xorg-server/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;
+
+DevPrivateKey dmxGCPrivateKey = &dmxGCPrivateKey; /**< Private index for GCs */
+DevPrivateKey dmxWinPrivateKey = &dmxWinPrivateKey; /**< Private index for Windows */
+DevPrivateKey dmxPixPrivateKey = &dmxPixPrivateKey; /**< Private index for Pixmaps */
+int dmxFontPrivateIndex; /**< Private index for Fonts */
+DevPrivateKey dmxScreenPrivateKey = &dmxScreenPrivateKey; /**< Private index for Screens */
+DevPrivateKey dmxColormapPrivateKey = &dmxColormapPrivateKey; /**< Private index for Colormaps */
+#ifdef RENDER
+DevPrivateKey dmxPictPrivateKey = &dmxPictPrivateKey; /**< Private index for Picts */
+DevPrivateKey dmxGlyphSetPrivateKey = &dmxGlyphSetPrivateKey; /**< 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);
+
+#ifdef SHAPE
+ /* Wrap Shape functions */
+ DMX_WRAP(SetShape, dmxSetShape, dmxScreen, pScreen);
+#endif
+ }
+
+ 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 {
+
+#ifdef SHAPE
+ /* Unwrap Shape functions */
+ DMX_UNWRAP(SetShape, dmxScreen, pScreen);
+#endif
+
+ /* 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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