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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/fullscreen/fullscreen.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/hw/darwin/quartz/fullscreen/fullscreen.c')
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diff --git a/nx-X11/programs/Xserver/hw/darwin/quartz/fullscreen/fullscreen.c b/nx-X11/programs/Xserver/hw/darwin/quartz/fullscreen/fullscreen.c
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+/*
+ * Screen routines for full screen Quartz mode
+ *
+ * Copyright (c) 2002-2003 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
+ * TORREY T. LYONS 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.
+ */
+/* $XdotOrg: xc/programs/Xserver/hw/darwin/quartz/fullscreen/fullscreen.c,v 1.4 2005/07/01 22:43:08 daniels Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/fullscreen/fullscreen.c,v 1.3 2003/11/27 01:59:53 torrey Exp $ */
+
+#include "quartzCommon.h"
+#include "darwin.h"
+#include "quartz.h"
+#include "quartzCursor.h"
+#include "colormapst.h"
+#include "scrnintstr.h"
+#include "micmap.h"
+#include "shadow.h"
+
+// Full screen specific per screen storage structure
+typedef struct {
+ CGDirectDisplayID displayID;
+ CFDictionaryRef xDisplayMode;
+ CFDictionaryRef aquaDisplayMode;
+ CGDirectPaletteRef xPalette;
+ CGDirectPaletteRef aquaPalette;
+ unsigned char *framebuffer;
+ unsigned char *shadowPtr;
+} FSScreenRec, *FSScreenPtr;
+
+#define FULLSCREEN_PRIV(pScreen) \
+ ((FSScreenPtr)pScreen->devPrivates[fsScreenIndex].ptr)
+
+static int fsScreenIndex;
+static CGDirectDisplayID *quartzDisplayList = NULL;
+static int quartzNumScreens = 0;
+static FSScreenPtr quartzScreens[MAXSCREENS];
+
+static int darwinCmapPrivateIndex = -1;
+static unsigned long darwinCmapGeneration = 0;
+
+#define CMAP_PRIV(pCmap) \
+ ((CGDirectPaletteRef) (pCmap)->devPrivates[darwinCmapPrivateIndex].ptr)
+
+/*
+ =============================================================================
+
+ Colormap handling
+
+ =============================================================================
+*/
+
+/*
+ * FSInitCmapPrivates
+ * Colormap privates may be allocated after the default colormap has
+ * already been created for some screens. This initialization procedure
+ * is called for each default colormap that is found.
+ */
+static Bool
+FSInitCmapPrivates(
+ ColormapPtr pCmap)
+{
+ return TRUE;
+}
+
+
+/*
+ * FSCreateColormap
+ * This is a callback from X after a new colormap is created.
+ * We allocate a new CoreGraphics pallete for each colormap.
+ */
+static Bool
+FSCreateColormap(
+ ColormapPtr pCmap)
+{
+ CGDirectPaletteRef pallete;
+
+ // Allocate private storage for the hardware dependent colormap info.
+ if (darwinCmapGeneration != serverGeneration) {
+ if ((darwinCmapPrivateIndex =
+ AllocateColormapPrivateIndex(FSInitCmapPrivates)) < 0)
+ {
+ return FALSE;
+ }
+ darwinCmapGeneration = serverGeneration;
+ }
+
+ pallete = CGPaletteCreateDefaultColorPalette();
+ if (!pallete) return FALSE;
+
+ CMAP_PRIV(pCmap) = pallete;
+ return TRUE;
+}
+
+
+/*
+ * FSDestroyColormap
+ * This is called by DIX FreeColormap after it has uninstalled a colormap
+ * and notified all interested parties. We deallocated the corresponding
+ * CoreGraphics pallete.
+ */
+static void
+FSDestroyColormap(
+ ColormapPtr pCmap)
+{
+ CGPaletteRelease( CMAP_PRIV(pCmap) );
+}
+
+
+/*
+ * FSInstallColormap
+ * Set the current CoreGraphics pallete to the pallete corresponding
+ * to the provided colormap.
+ */
+static void
+FSInstallColormap(
+ ColormapPtr pCmap)
+{
+ CGDirectPaletteRef palette = CMAP_PRIV(pCmap);
+ ScreenPtr pScreen = pCmap->pScreen;
+ FSScreenPtr fsDisplayInfo = FULLSCREEN_PRIV(pScreen);
+
+ // Inform all interested parties that the map is being changed.
+ miInstallColormap(pCmap);
+
+ if (quartzServerVisible)
+ CGDisplaySetPalette(fsDisplayInfo->displayID, palette);
+
+ fsDisplayInfo->xPalette = palette;
+}
+
+
+/*
+ * FSStoreColors
+ * This is a callback from X to change the hardware colormap
+ * when using PsuedoColor in full screen mode.
+ */
+static void
+FSStoreColors(
+ ColormapPtr pCmap,
+ int numEntries,
+ xColorItem *pdefs)
+{
+ CGDirectPaletteRef palette = CMAP_PRIV(pCmap);
+ ScreenPtr pScreen = pCmap->pScreen;
+ FSScreenPtr fsDisplayInfo = FULLSCREEN_PRIV(pScreen);
+ CGDeviceColor color;
+ int i;
+
+ if (! palette)
+ return;
+
+ for (i = 0; i < numEntries; i++) {
+ color.red = pdefs[i].red / 65535.0;
+ color.green = pdefs[i].green / 65535.0;
+ color.blue = pdefs[i].blue / 65535.0;
+ CGPaletteSetColorAtIndex(palette, color, pdefs[i].pixel);
+ }
+
+ // Update hardware colormap
+ if (quartzServerVisible)
+ CGDisplaySetPalette(fsDisplayInfo->displayID, palette);
+}
+
+
+/*
+ =============================================================================
+
+ Switching between Aqua and X
+
+ =============================================================================
+*/
+
+/*
+ * FSCapture
+ * Capture the screen so we can draw. Called directly from the main thread
+ * to synchronize with hiding the menubar.
+ */
+static void FSCapture(void)
+{
+ int i;
+
+ if (quartzRootless) return;
+
+ for (i = 0; i < quartzNumScreens; i++) {
+ FSScreenPtr fsDisplayInfo = quartzScreens[i];
+ CGDirectDisplayID cgID = fsDisplayInfo->displayID;
+
+ if (!CGDisplayIsCaptured(cgID)) {
+ CGDisplayCapture(cgID);
+ fsDisplayInfo->aquaDisplayMode = CGDisplayCurrentMode(cgID);
+ if (fsDisplayInfo->xDisplayMode != fsDisplayInfo->aquaDisplayMode)
+ CGDisplaySwitchToMode(cgID, fsDisplayInfo->xDisplayMode);
+ if (fsDisplayInfo->xPalette)
+ CGDisplaySetPalette(cgID, fsDisplayInfo->xPalette);
+ }
+ }
+}
+
+
+/*
+ * FSRelease
+ * Release the screen so others can draw.
+ */
+static void FSRelease(void)
+{
+ int i;
+
+ if (quartzRootless) return;
+
+ for (i = 0; i < quartzNumScreens; i++) {
+ FSScreenPtr fsDisplayInfo = quartzScreens[i];
+ CGDirectDisplayID cgID = fsDisplayInfo->displayID;
+
+ if (CGDisplayIsCaptured(cgID)) {
+ if (fsDisplayInfo->xDisplayMode != fsDisplayInfo->aquaDisplayMode)
+ CGDisplaySwitchToMode(cgID, fsDisplayInfo->aquaDisplayMode);
+ if (fsDisplayInfo->aquaPalette)
+ CGDisplaySetPalette(cgID, fsDisplayInfo->aquaPalette);
+ CGDisplayRelease(cgID);
+ }
+ }
+}
+
+
+/*
+ * FSSuspendScreen
+ * Suspend X11 cursor and drawing to the screen.
+ */
+static void FSSuspendScreen(
+ ScreenPtr pScreen)
+{
+ QuartzSuspendXCursor(pScreen);
+ xf86SetRootClip(pScreen, FALSE);
+}
+
+
+/*
+ * FSResumeScreen
+ * Resume X11 cursor and drawing to the screen.
+ */
+static void FSResumeScreen(
+ ScreenPtr pScreen,
+ int x, // cursor location
+ int y )
+{
+ QuartzResumeXCursor(pScreen, x, y);
+ xf86SetRootClip(pScreen, TRUE);
+}
+
+
+/*
+ =============================================================================
+
+ Screen initialization
+
+ =============================================================================
+*/
+
+/*
+ * FSDisplayInit
+ * Full screen specific initialization called from InitOutput.
+ */
+static void FSDisplayInit(void)
+{
+ static unsigned long generation = 0;
+ CGDisplayCount quartzDisplayCount = 0;
+
+ ErrorF("Display mode: Full screen Quartz -- Direct Display\n");
+
+ // Allocate private storage for each screen's mode specific info
+ if (generation != serverGeneration) {
+ fsScreenIndex = AllocateScreenPrivateIndex();
+ generation = serverGeneration;
+ }
+
+ // Find all the CoreGraphics displays
+ CGGetActiveDisplayList(0, NULL, &quartzDisplayCount);
+ quartzDisplayList = xalloc(quartzDisplayCount * sizeof(CGDirectDisplayID));
+ CGGetActiveDisplayList(quartzDisplayCount, quartzDisplayList,
+ &quartzDisplayCount);
+
+ darwinScreensFound = quartzDisplayCount;
+ atexit(FSRelease);
+}
+
+
+/*
+ * FSFindDisplayMode
+ * Find the appropriate display mode to use in full screen mode.
+ * If display mode is not the same as the current Aqua mode, switch
+ * to the new mode.
+ */
+static Bool FSFindDisplayMode(
+ FSScreenPtr fsDisplayInfo)
+{
+ CGDirectDisplayID cgID = fsDisplayInfo->displayID;
+ size_t height, width, bpp;
+ boolean_t exactMatch;
+
+ fsDisplayInfo->aquaDisplayMode = CGDisplayCurrentMode(cgID);
+
+ // If no user options, use current display mode
+ if (darwinDesiredWidth == 0 && darwinDesiredDepth == -1 &&
+ darwinDesiredRefresh == -1)
+ {
+ fsDisplayInfo->xDisplayMode = fsDisplayInfo->aquaDisplayMode;
+ return TRUE;
+ }
+
+ // If the user has no choice for size, use current
+ if (darwinDesiredWidth == 0) {
+ width = CGDisplayPixelsWide(cgID);
+ height = CGDisplayPixelsHigh(cgID);
+ } else {
+ width = darwinDesiredWidth;
+ height = darwinDesiredHeight;
+ }
+
+ switch (darwinDesiredDepth) {
+ case 0:
+ bpp = 8;
+ break;
+ case 1:
+ bpp = 16;
+ break;
+ case 2:
+ bpp = 32;
+ break;
+ default:
+ bpp = CGDisplayBitsPerPixel(cgID);
+ }
+
+ if (darwinDesiredRefresh == -1) {
+ fsDisplayInfo->xDisplayMode =
+ CGDisplayBestModeForParameters(cgID, bpp, width, height,
+ &exactMatch);
+ } else {
+ fsDisplayInfo->xDisplayMode =
+ CGDisplayBestModeForParametersAndRefreshRate(cgID, bpp,
+ width, height, darwinDesiredRefresh, &exactMatch);
+ }
+ if (!exactMatch) {
+ fsDisplayInfo->xDisplayMode = fsDisplayInfo->aquaDisplayMode;
+ return FALSE;
+ }
+
+ // Switch to the new display mode
+ CGDisplaySwitchToMode(cgID, fsDisplayInfo->xDisplayMode);
+ return TRUE;
+}
+
+
+/*
+ * FSAddScreen
+ * Do initialization of each screen for Quartz in full screen mode.
+ */
+static Bool FSAddScreen(
+ int index,
+ ScreenPtr pScreen)
+{
+ DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
+ QuartzScreenPtr displayInfo = QUARTZ_PRIV(pScreen);
+ CGDirectDisplayID cgID = quartzDisplayList[index];
+ CGRect bounds;
+ FSScreenPtr fsDisplayInfo;
+
+ // Allocate space for private per screen fullscreen specific storage.
+ fsDisplayInfo = xalloc(sizeof(FSScreenRec));
+ FULLSCREEN_PRIV(pScreen) = fsDisplayInfo;
+
+ displayInfo->displayCount = 1;
+ displayInfo->displayIDs = xrealloc(displayInfo->displayIDs,
+ 1 * sizeof(CGDirectDisplayID));
+ displayInfo->displayIDs[0] = cgID;
+
+ fsDisplayInfo->displayID = cgID;
+ fsDisplayInfo->xDisplayMode = 0;
+ fsDisplayInfo->aquaDisplayMode = 0;
+ fsDisplayInfo->xPalette = 0;
+ fsDisplayInfo->aquaPalette = 0;
+
+ // Capture full screen because X doesn't like read-only framebuffer.
+ // We need to do this before we (potentially) switch the display mode.
+ CGDisplayCapture(cgID);
+
+ if (! FSFindDisplayMode(fsDisplayInfo)) {
+ ErrorF("Could not support specified display mode on screen %i.\n",
+ index);
+ xfree(fsDisplayInfo);
+ return FALSE;
+ }
+
+ // Don't need to flip y-coordinate as CoreGraphics treats (0, 0)
+ // as the top left of main screen.
+ bounds = CGDisplayBounds(cgID);
+ dfb->x = bounds.origin.x;
+ dfb->y = bounds.origin.y;
+ dfb->width = bounds.size.width;
+ dfb->height = bounds.size.height;
+ dfb->pitch = CGDisplayBytesPerRow(cgID);
+ dfb->bitsPerPixel = CGDisplayBitsPerPixel(cgID);
+
+ if (dfb->bitsPerPixel == 8) {
+ if (CGDisplayCanSetPalette(cgID)) {
+ dfb->colorType = PseudoColor;
+ } else {
+ dfb->colorType = StaticColor;
+ }
+ dfb->bitsPerComponent = 8;
+ dfb->colorBitsPerPixel = 8;
+ } else {
+ dfb->colorType = TrueColor;
+ dfb->bitsPerComponent = CGDisplayBitsPerSample(cgID);
+ dfb->colorBitsPerPixel = CGDisplaySamplesPerPixel(cgID) *
+ dfb->bitsPerComponent;
+ }
+
+ fsDisplayInfo->framebuffer = CGDisplayBaseAddress(cgID);
+
+ // allocate shadow framebuffer
+ fsDisplayInfo->shadowPtr = xalloc(dfb->pitch * dfb->height);
+ dfb->framebuffer = fsDisplayInfo->shadowPtr;
+
+ return TRUE;
+}
+
+
+/*
+ * FSShadowUpdate
+ * Update the damaged regions of the shadow framebuffer on the display.
+ */
+static void FSShadowUpdate(
+ ScreenPtr pScreen,
+ shadowBufPtr pBuf)
+{
+ DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
+ FSScreenPtr fsDisplayInfo = FULLSCREEN_PRIV(pScreen);
+ RegionPtr damage = &pBuf->damage;
+ int numBox = REGION_NUM_RECTS(damage);
+ BoxPtr pBox = REGION_RECTS(damage);
+ int pitch = dfb->pitch;
+ int bpp = dfb->bitsPerPixel/8;
+
+ // Don't update if the X server is not visible
+ if (!quartzServerVisible)
+ return;
+
+ // Loop through all the damaged boxes
+ while (numBox--) {
+ int width, height, offset;
+ unsigned char *src, *dst;
+
+ width = (pBox->x2 - pBox->x1) * bpp;
+ height = pBox->y2 - pBox->y1;
+ offset = (pBox->y1 * pitch) + (pBox->x1 * bpp);
+ src = fsDisplayInfo->shadowPtr + offset;
+ dst = fsDisplayInfo->framebuffer + offset;
+
+ while (height--) {
+ memcpy(dst, src, width);
+ dst += pitch;
+ src += pitch;
+ }
+
+ // Get the next box
+ pBox++;
+ }
+}
+
+
+/*
+ * FSSetupScreen
+ * Finalize full screen specific setup of each screen.
+ */
+static Bool FSSetupScreen(
+ int index,
+ ScreenPtr pScreen)
+{
+ DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
+ FSScreenPtr fsDisplayInfo = FULLSCREEN_PRIV(pScreen);
+ CGDirectDisplayID cgID = fsDisplayInfo->displayID;
+
+ // Initialize shadow framebuffer support
+ if (! shadowInit(pScreen, FSShadowUpdate, NULL)) {
+ ErrorF("Failed to initalize shadow framebuffer for screen %i.\n",
+ index);
+ return FALSE;
+ }
+
+ if (dfb->colorType == PseudoColor) {
+ // Initialize colormap handling
+ size_t aquaBpp;
+
+ // If Aqua is using 8 bits we need to keep track of its pallete.
+ CFNumberGetValue(CFDictionaryGetValue(fsDisplayInfo->aquaDisplayMode,
+ kCGDisplayBitsPerPixel), kCFNumberLongType, &aquaBpp);
+ if (aquaBpp <= 8)
+ fsDisplayInfo->aquaPalette = CGPaletteCreateWithDisplay(cgID);
+
+ pScreen->CreateColormap = FSCreateColormap;
+ pScreen->DestroyColormap = FSDestroyColormap;
+ pScreen->InstallColormap = FSInstallColormap;
+ pScreen->StoreColors = FSStoreColors;
+
+ }
+
+ quartzScreens[quartzNumScreens++] = fsDisplayInfo;
+ return TRUE;
+}
+
+
+/*
+ * Quartz display mode function list.
+ */
+static QuartzModeProcsRec fsModeProcs = {
+ FSDisplayInit,
+ FSAddScreen,
+ FSSetupScreen,
+ NULL, // Not needed
+ QuartzInitCursor,
+ QuartzReallySetCursor,
+ FSSuspendScreen,
+ FSResumeScreen,
+ FSCapture,
+ FSRelease,
+ NULL, // No dynamic screen change support
+ NULL,
+ NULL,
+ NULL, // No rootless code in fullscreen
+ NULL,
+ NULL,
+ NULL,
+ NULL, // No support for DRI surfaces
+ NULL
+};
+
+
+/*
+ * QuartzModeBundleInit
+ * Initialize the display mode bundle after loading.
+ */
+Bool
+QuartzModeBundleInit(void)
+{
+ quartzProcs = &fsModeProcs;
+ quartzOpenGLBundle = NULL; // Only Mesa support for now
+ return TRUE;
+}