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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/hw/darwin/quartz/xpr/xprScreen.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
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+/* $XdotOrg: xc/programs/Xserver/hw/darwin/quartz/xpr/xprScreen.c,v 1.6 2005/07/01 22:43:08 daniels Exp $ */
+/*
+ * Xplugin rootless implementation screen functions
+ */
+/*
+ * Copyright (c) 2002 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2004 Torrey T. Lyons. 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, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/xpr/xprScreen.c,v 1.11 2004/07/15 18:53:25 torrey Exp $ */
+
+#include "quartzCommon.h"
+#include "quartz.h"
+#include "xpr.h"
+#include "pseudoramiX.h"
+#include "darwin.h"
+#include "rootless.h"
+#include "safeAlpha.h"
+#include "dri.h"
+#include "globals.h"
+#include "Xplugin.h"
+#include "applewmExt.h"
+
+#ifdef DAMAGE
+# include "damage.h"
+#endif
+
+// Name of GLX bundle for native OpenGL
+static const char *xprOpenGLBundle = "glxCGL.bundle";
+
+
+/*
+ * eventHandler
+ * Callback handler for Xplugin events.
+ */
+static void
+eventHandler(unsigned int type, const void *arg,
+ unsigned int arg_size, void *data)
+{
+ switch (type)
+ {
+ case XP_EVENT_DISPLAY_CHANGED:
+ QuartzMessageServerThread(kXDarwinDisplayChanged, 0);
+ break;
+
+ case XP_EVENT_WINDOW_STATE_CHANGED:
+ if (arg_size >= sizeof(xp_window_state_event))
+ {
+ const xp_window_state_event *ws_arg = arg;
+
+ QuartzMessageServerThread(kXDarwinWindowState, 2,
+ ws_arg->id, ws_arg->state);
+ }
+ break;
+
+ case XP_EVENT_WINDOW_MOVED:
+ if (arg_size == sizeof(xp_window_id))
+ {
+ xp_window_id id = * (xp_window_id *) arg;
+
+ QuartzMessageServerThread(kXDarwinWindowMoved, 1, id);
+ }
+ break;
+
+ case XP_EVENT_SURFACE_DESTROYED:
+ case XP_EVENT_SURFACE_CHANGED:
+ if (arg_size == sizeof(xp_surface_id))
+ {
+ int kind;
+
+ if (type == XP_EVENT_SURFACE_DESTROYED)
+ kind = AppleDRISurfaceNotifyDestroyed;
+ else
+ kind = AppleDRISurfaceNotifyChanged;
+
+ DRISurfaceNotify(*(xp_surface_id *) arg, kind);
+ }
+ break;
+ }
+}
+
+
+/*
+ * displayScreenBounds
+ * Return the display ID for a particular display index.
+ */
+static CGDirectDisplayID
+displayAtIndex(int index)
+{
+ CGError err;
+ CGDisplayCount cnt;
+ CGDirectDisplayID dpy[index+1];
+
+ err = CGGetActiveDisplayList(index + 1, dpy, &cnt);
+ if (err == kCGErrorSuccess && cnt == index + 1)
+ return dpy[index];
+ else
+ return kCGNullDirectDisplay;
+}
+
+
+/*
+ * displayScreenBounds
+ * Return the bounds of a particular display.
+ */
+static CGRect
+displayScreenBounds(CGDirectDisplayID id)
+{
+ CGRect frame;
+
+ frame = CGDisplayBounds(id);
+
+ /* Remove menubar to help standard X11 window managers. */
+
+ if (frame.origin.x == 0 && frame.origin.y == 0)
+ {
+ frame.origin.y += aquaMenuBarHeight;
+ frame.size.height -= aquaMenuBarHeight;
+ }
+
+ return frame;
+}
+
+
+/*
+ * xprAddPseudoramiXScreens
+ * Add a single virtual screen encompassing all the physical screens
+ * with PseudoramiX.
+ */
+static void
+xprAddPseudoramiXScreens(int *x, int *y, int *width, int *height)
+{
+ CGDisplayCount i, displayCount;
+ CGDirectDisplayID *displayList = NULL;
+ CGRect unionRect = CGRectNull, frame;
+
+ // Find all the CoreGraphics displays
+ CGGetActiveDisplayList(0, NULL, &displayCount);
+ displayList = xalloc(displayCount * sizeof(CGDirectDisplayID));
+ CGGetActiveDisplayList(displayCount, displayList, &displayCount);
+
+ /* Get the union of all screens */
+ for (i = 0; i < displayCount; i++)
+ {
+ CGDirectDisplayID dpy = displayList[i];
+ frame = displayScreenBounds(dpy);
+ unionRect = CGRectUnion(unionRect, frame);
+ }
+
+ /* Use unionRect as the screen size for the X server. */
+ *x = unionRect.origin.x;
+ *y = unionRect.origin.y;
+ *width = unionRect.size.width;
+ *height = unionRect.size.height;
+
+ /* Tell PseudoramiX about the real screens. */
+ for (i = 0; i < displayCount; i++)
+ {
+ CGDirectDisplayID dpy = displayList[i];
+
+ frame = displayScreenBounds(dpy);
+
+ ErrorF("PseudoramiX screen %d added: %dx%d @ (%d,%d).\n", i,
+ (int)frame.size.width, (int)frame.size.height,
+ (int)frame.origin.x, (int)frame.origin.y);
+
+ frame.origin.x -= unionRect.origin.x;
+ frame.origin.y -= unionRect.origin.y;
+
+ ErrorF("PseudoramiX screen %d placed at X11 coordinate (%d,%d).\n",
+ i, (int)frame.origin.x, (int)frame.origin.y);
+
+ PseudoramiXAddScreen(frame.origin.x, frame.origin.y,
+ frame.size.width, frame.size.height);
+ }
+
+ xfree(displayList);
+}
+
+
+/*
+ * xprDisplayInit
+ * Find number of CoreGraphics displays and initialize Xplugin.
+ */
+static void
+xprDisplayInit(void)
+{
+ CGDisplayCount displayCount;
+
+ ErrorF("Display mode: Rootless Quartz -- Xplugin implementation\n");
+
+ CGGetActiveDisplayList(0, NULL, &displayCount);
+
+ /* With PseudoramiX, the X server only sees one screen; only PseudoramiX
+ itself knows about all of the screens. */
+
+ if (noPseudoramiXExtension)
+ darwinScreensFound = displayCount;
+ else
+ darwinScreensFound = 1;
+
+ if (xp_init(XP_IN_BACKGROUND) != Success)
+ {
+ FatalError("Could not initialize the Xplugin library.");
+ }
+
+ xp_select_events(XP_EVENT_DISPLAY_CHANGED
+ | XP_EVENT_WINDOW_STATE_CHANGED
+ | XP_EVENT_WINDOW_MOVED
+ | XP_EVENT_SURFACE_CHANGED
+ | XP_EVENT_SURFACE_DESTROYED,
+ eventHandler, NULL);
+
+ AppleDRIExtensionInit();
+ xprAppleWMInit();
+}
+
+
+/*
+ * xprAddScreen
+ * Init the framebuffer and record pixmap parameters for the screen.
+ */
+static Bool
+xprAddScreen(int index, ScreenPtr pScreen)
+{
+ DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
+
+ /* If no specific depth chosen, look for the depth of the main display.
+ Else if 16bpp specified, use that. Else use 32bpp. */
+
+ dfb->colorType = TrueColor;
+ dfb->bitsPerComponent = 8;
+ dfb->bitsPerPixel = 32;
+ dfb->colorBitsPerPixel = 24;
+
+ if (darwinDesiredDepth == -1)
+ {
+ dfb->bitsPerComponent = CGDisplayBitsPerSample(kCGDirectMainDisplay);
+ dfb->bitsPerPixel = CGDisplayBitsPerPixel(kCGDirectMainDisplay);
+ dfb->colorBitsPerPixel =
+ CGDisplaySamplesPerPixel(kCGDirectMainDisplay) *
+ dfb->bitsPerComponent;
+ }
+ else if (darwinDesiredDepth == 15)
+ {
+ dfb->bitsPerComponent = 5;
+ dfb->bitsPerPixel = 16;
+ dfb->colorBitsPerPixel = 15;
+ }
+ else if (darwinDesiredDepth == 8)
+ {
+ dfb->colorType = PseudoColor;
+ dfb->bitsPerComponent = 8;
+ dfb->bitsPerPixel = 8;
+ dfb->colorBitsPerPixel = 8;
+ }
+
+ if (noPseudoramiXExtension)
+ {
+ CGDirectDisplayID dpy;
+ CGRect frame;
+
+ dpy = displayAtIndex(index);
+
+ frame = displayScreenBounds(dpy);
+
+ dfb->x = frame.origin.x;
+ dfb->y = frame.origin.y;
+ dfb->width = frame.size.width;
+ dfb->height = frame.size.height;
+ }
+ else
+ {
+ xprAddPseudoramiXScreens(&dfb->x, &dfb->y, &dfb->width, &dfb->height);
+ }
+
+ /* Passing zero width (pitch) makes miCreateScreenResources set the
+ screen pixmap to the framebuffer pointer, i.e. NULL. The generic
+ rootless code takes care of making this work. */
+ dfb->pitch = 0;
+ dfb->framebuffer = NULL;
+
+ DRIScreenInit(pScreen);
+
+ return TRUE;
+}
+
+
+/*
+ * xprSetupScreen
+ * Setup the screen for rootless access.
+ */
+static Bool
+xprSetupScreen(int index, ScreenPtr pScreen)
+{
+ // Add alpha protecting replacements for fb screen functions
+ pScreen->PaintWindowBackground = SafeAlphaPaintWindow;
+ pScreen->PaintWindowBorder = SafeAlphaPaintWindow;
+
+#ifdef RENDER
+ {
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ ps->Composite = SafeAlphaComposite;
+ }
+#endif /* RENDER */
+
+ // Initialize accelerated rootless drawing
+ // Note that this must be done before DamageSetup().
+ RootlessAccelInit(pScreen);
+
+#ifdef DAMAGE
+ // The Damage extension needs to wrap underneath the
+ // generic rootless layer, so do it now.
+ if (!DamageSetup(pScreen))
+ return FALSE;
+#endif
+
+ // Initialize generic rootless code
+ if (!xprInit(pScreen))
+ return FALSE;
+
+ return DRIFinishScreenInit(pScreen);
+}
+
+
+/*
+ * xprUpdateScreen
+ * Update screen after configuation change.
+ */
+static void
+xprUpdateScreen(ScreenPtr pScreen)
+{
+ rootlessGlobalOffsetX = darwinMainScreenX;
+ rootlessGlobalOffsetY = darwinMainScreenY;
+
+ AppleWMSetScreenOrigin(WindowTable[pScreen->myNum]);
+
+ RootlessRepositionWindows(pScreen);
+ RootlessUpdateScreenPixmap(pScreen);
+}
+
+
+/*
+ * xprInitInput
+ * Finalize xpr specific setup.
+ */
+static void
+xprInitInput(int argc, char **argv)
+{
+ int i;
+
+ rootlessGlobalOffsetX = darwinMainScreenX;
+ rootlessGlobalOffsetY = darwinMainScreenY;
+
+ for (i = 0; i < screenInfo.numScreens; i++)
+ AppleWMSetScreenOrigin(WindowTable[i]);
+}
+
+
+/*
+ * Quartz display mode function list.
+ */
+static QuartzModeProcsRec xprModeProcs = {
+ xprDisplayInit,
+ xprAddScreen,
+ xprSetupScreen,
+ xprInitInput,
+ QuartzInitCursor,
+ NULL, // No need to update cursor
+ QuartzSuspendXCursor,
+ QuartzResumeXCursor,
+ NULL, // No capture or release in rootless mode
+ NULL,
+ NULL, // Xplugin sends screen change events directly
+ xprAddPseudoramiXScreens,
+ xprUpdateScreen,
+ xprIsX11Window,
+ xprHideWindows,
+ RootlessFrameForWindow,
+ TopLevelParent,
+ DRICreateSurface,
+ DRIDestroySurface
+};
+
+
+/*
+ * QuartzModeBundleInit
+ * Initialize the display mode bundle after loading.
+ */
+Bool
+QuartzModeBundleInit(void)
+{
+ quartzProcs = &xprModeProcs;
+ quartzOpenGLBundle = xprOpenGLBundle;
+ return TRUE;
+}