/*
* This file is modified by Ivan Maidanski <ivmai@ivmaisoft.com>
* Project name: JCGO-SUNAWT (http://www.ivmaisoft.com/jcgo/)
*/
/*
* @(#)Win32GraphicsDevice.java 1.37 03/01/23
*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package sun.awt;
import java.awt.AWTPermission;
import java.awt.GraphicsDevice;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.DisplayMode;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.image.ColorModel;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Vector;
import java.awt.peer.ComponentPeer;
import java.awt.peer.WindowPeer;
import sun.awt.windows.WComponentPeer;
import sun.awt.SunDisplayChanger;
import sun.awt.DisplayChangedListener;
import sun.awt.windows.WWindowPeer;
import sun.java2d.InvalidPipeException;
/**
* This is an implementation of a GraphicsDevice object for a single
* Win32 screen.
*
* @see GraphicsEnvironment
* @see GraphicsConfiguration
* @version 10 Feb 1997
*/
public class Win32GraphicsDevice extends GraphicsDevice implements
DisplayChangedListener {
int screen;
ColorModel dynamicColorModel; // updated with dev changes
ColorModel colorModel; // static for device
GraphicsConfiguration[] configs;
GraphicsConfiguration defaultConfig;
boolean offscreenAccelerationEnabled = true;
// keep track of top-level windows on this display
private SunDisplayChanger topLevels = new SunDisplayChanger();
private static boolean ddDisabled;
private static boolean ddUsed;
private static boolean ddInitialized;
private static boolean pfDisabled;
private static AWTPermission fullScreenExclusivePermission;
static {
sun.awt.windows.Win32OffScreenSurfaceData.initD3D();
String noddraw = (String)java.security.AccessController.doPrivileged(
new sun.security.action.GetPropertyAction("sun.java2d.noddraw"));
ddDisabled = (noddraw != null && noddraw.length() > 0 &&
noddraw.charAt(0) == 't');
// 4455041 - Even when ddraw is disabled, ddraw.dll is loaded when
// pixel format calls are made. This causes problems when a Java app
// is run as an NT service. To prevent the loading of ddraw.dll
// completely, sun.awt.nopixfmt should be set as well. Apps which use
// OpenGL w/ Java probably don't want to set this.
String nopixfmt = (String)java.security.AccessController.doPrivileged(
new sun.security.action.GetPropertyAction("sun.awt.nopixfmt"));
pfDisabled = (nopixfmt != null);
initIDs();
}
private static native void initIDs();
/**
* Acceleration can be disabled due to capabilities of the display
* device discovered during ddraw initialization. This is not the
* same as isDirectDrawEnabled(), which returns false when ddraw
* had problems initializing.
*/
public boolean isOffscreenAccelerationEnabled() {
return offscreenAccelerationEnabled;
}
public static boolean isDirectDrawEnabled() {
if (ddDisabled) {
return false;
}
if (!ddInitialized) {
ddUsed = isDirectDrawUsed();
ddInitialized = true;
}
return ddUsed;
}
private static native boolean isDirectDrawUsed();
native void initDevice(int screen);
private native boolean isDDEnabledOnDeviceNative(int screen);
public Win32GraphicsDevice(int screennum) {
this.screen = screennum;
initDevice(screennum);
}
/**
* Returns the type of the graphics device.
* @see #TYPE_RASTER_SCREEN
* @see #TYPE_PRINTER
* @see #TYPE_IMAGE_BUFFER
*/
public int getType() {
return TYPE_RASTER_SCREEN;
}
/**
* Returns the Win32 screen of the device.
*/
public int getScreen() {
return screen;
}
/**
* Returns the identification string associated with this graphics
* device.
*/
public String getIDstring() {
return "\\Display"+screen;
}
/**
* Returns all of the graphics
* configurations associated with this graphics device.
*/
public GraphicsConfiguration[] getConfigurations() {
if (configs==null) {
int max = getMaxConfigs(screen);
int defaultPixID = getDefaultPixID(screen);
Vector v = new Vector( max );
if (defaultPixID == 0) {
//Workaround for failing GDI calls, or if DirectDraw is disabled
defaultConfig = Win32GraphicsConfig.getConfig(this,
defaultPixID);
v.addElement(defaultConfig);
}
else {
for (int i = 1; i <= max; i++) {
if (isPixFmtSupported(i, screen)) {
if (i == defaultPixID) {
defaultConfig = Win32GraphicsConfig.getConfig(
this, i);
v.addElement(defaultConfig);
}
else {
v.addElement(Win32GraphicsConfig.getConfig(
this, i));
}
}
}
}
configs = new GraphicsConfiguration[v.size()];
v.copyInto(configs);
}
return configs;
}
/**
* Returns the maximum number of graphics configurations available, or 1
* if PixelFormat calls fail or are disabled.
* This number is less than or equal to the number of graphics
* configurations supported.
*/
protected int getMaxConfigs(int screen) {
if (pfDisabled) {
return 1;
} else {
return getMaxConfigsImpl(screen);
}
}
private native int getMaxConfigsImpl(int screen);
/**
* Returns whether or not the PixelFormat indicated by index is
* supported. Supported PixelFormats support drawing to a Window
* (PFD_DRAW_TO_WINDOW), support GDI (PFD_SUPPORT_GDI), and in the
* case of an 8-bit format (cColorBits <= 8) uses indexed colors
* (iPixelType == PFD_TYPE_COLORINDEX).
* We use the index 0 to indicate that PixelFormat calls don't work, or
* are disabled. Do not call this function with an index of 0.
* @param index a PixelFormat index
*/
protected native boolean isPixFmtSupported(int index, int screen);
/**
* Returns the PixelFormatID of the default graphics configuration
* associated with this graphics device, or 0 if PixelFormats calls fail or
* are disabled.
*/
protected int getDefaultPixID(int screen) {
if (pfDisabled) {
return 0;
} else {
return getDefaultPixIDImpl(screen);
}
}
/**
* Returns the default PixelFormat ID from GDI. Do not call if PixelFormats
* are disabled.
*/
private native int getDefaultPixIDImpl(int screen);
/**
* Returns the default graphics configuration
* associated with this graphics device.
*/
public GraphicsConfiguration getDefaultConfiguration() {
if (defaultConfig == null) {
// Fix for 4669614. Most apps are not concerned with PixelFormats,
// yet we ALWAYS used them for determining ColorModels and such.
// By passing in 0 as the PixelFormatID here, we signal that
// PixelFormats should not be used, thus avoid loading the opengl
// library. Apps concerned with PixelFormats can still use
// GraphicsConfiguration.getConfigurations().
// Note that calling native pixel format functions tends to cause
// problems between those functions (which are OpenGL-related)
// and our use of DirectX. For example, some Matrox boards will
// crash or hang calling these functions when any app is running
// in DirectX fullscreen mode. So avoiding these calls unless
// absolutely necessary is preferable.
defaultConfig = Win32GraphicsConfig.getConfig(this, 0);
}
return defaultConfig;
}
public String toString() {
return ("Win32GraphicsDevice[screen=" + screen + "]");
}
public boolean isFullScreenSupported() {
return (screen == 0 || isDDEnabledOnDevice());
}
public synchronized void setFullScreenWindow(Window w) {
Window old = getFullScreenWindow();
if (w == old) {
return;
}
boolean flag = isDDEnabledOnDevice();
if (flag && old != null) {
// Enter windowed mode.
WWindowPeer peer = (WWindowPeer)old.getPeer();
if (peer != null) {
synchronized(peer) {
peer.destroyBuffers();
exitFullScreenExclusive(screen, peer);
}
}
}
super.setFullScreenWindow(w);
if (flag && w != null) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
if (fullScreenExclusivePermission == null) {
fullScreenExclusivePermission =
new AWTPermission("fullScreenExclusive");
}
security.checkPermission(fullScreenExclusivePermission);
}
// Enter full screen exclusive mode.
WWindowPeer peer = (WWindowPeer)w.getPeer();
synchronized(peer) {
enterFullScreenExclusive(screen, peer);
// Note: removed replaceSurfaceData() call because
// changing the window size or making it visible
// will cause this anyway, and both of these events happen
// as part of switching into fullscreen mode.
}
}
}
// Entering and exiting full-screen mode are done within a
// tree-lock and should never lock on any resources which are
// required by other threads which may have them and may require
// the tree-lock.
// These functions should only be called if DirectDraw is enabled.
private native void enterFullScreenExclusive(int screen, WindowPeer w);
private native void exitFullScreenExclusive(int screen, WindowPeer w);
public boolean isDisplayChangeSupported() {
return (isFullScreenSupported() && getFullScreenWindow() != null);
}
public synchronized void setDisplayMode(DisplayMode dm) {
if (!isDisplayChangeSupported()) {
super.setDisplayMode(dm);
return;
}
if (dm == null && !isDisplayModeAvailable(dm)) {
throw new IllegalArgumentException(
"Invalid display mode");
}
Window w = getFullScreenWindow();
if (w != null) {
WWindowPeer peer = (WWindowPeer)w.getPeer();
configDisplayMode(screen, peer, dm.getWidth(), dm.getHeight(),
dm.getBitDepth(), dm.getRefreshRate());
// Note: no call to replaceSurfaceData is required here since
// replacement will be caused by an upcoming display change event
} else {
throw new IllegalStateException("Must be in fullscreen mode " +
"in order to set display mode");
}
}
private native DisplayMode getCurrentDisplayMode(int screen);
private native void configDisplayMode(int screen, WindowPeer w, int width,
int height, int bitDepth,
int refreshRate);
private native void enumDisplayModes(int screen, ArrayList modes);
// This function is only available if DirectDraw is enabled, otherwise we
// have to do the work the hard way (enumerating all of the display modes
// and checking each one)
private native boolean isDisplayModeAvailable(int screen, int width, int height,
int bitDepth, int refreshRate);
public synchronized DisplayMode getDisplayMode() {
return getCurrentDisplayMode(screen);
}
public synchronized DisplayMode[] getDisplayModes() {
ArrayList modes = new ArrayList();
enumDisplayModes(screen, modes);
int listSize = modes.size();
DisplayMode[] retArray = new DisplayMode[listSize];
for (int i = 0; i < listSize; i++) {
retArray[i] = (DisplayMode)modes.get(i);
}
return retArray;
}
public synchronized boolean isDisplayModeAvailable(DisplayMode dm) {
if (!isDisplayChangeSupported()) {
return false;
}
if (isDDEnabledOnDevice()) {
return isDisplayModeAvailable(screen, dm.getWidth(), dm.getHeight(),
dm.getBitDepth(), dm.getRefreshRate());
} else {
// The function isDisplayModeAvailable is only available if
// DirectDraw is enabled, otherwise we have to do the work the
// hard way (enumerating all of the display modes
// and checking each one)
DisplayMode[] modes = getDisplayModes();
for (int i = 0; i < modes.length; i++) {
if (dm.equals(modes[i])) {
return true;
}
}
return false;
}
}
/*
* From the DisplayChangeListener interface.
* Called from Win32GraphicsEnvironment when the display settings have
* changed.
*/
public void displayChanged() {
dynamicColorModel = null;
defaultConfig = null;
configs = null;
// pass on to all top-level windows on this display
topLevels.notifyListeners();
}
/**
* Part of the DisplayChangedListener interface: devices
* do not need to react to this event
*/
public void paletteChanged() {
}
public boolean isDDEnabledOnDevice() {
return isDirectDrawEnabled() && isDDEnabledOnDeviceNative(screen);
}
/*
* Add a DisplayChangeListener to be notified when the display settings
* are changed. Typically, only top-level containers need to be added
* to Win32GraphicsDevice.
*/
public void addDisplayChangedListener(DisplayChangedListener client) {
topLevels.add(client);
}
/*
* Remove a DisplayChangeListener from this Win32GraphicsDevice
*/
public void removeDisplayChangedListener(DisplayChangedListener client) {
topLevels.remove(client);
}
/**
* Creates and returns the color model associated with this device
*/
private native ColorModel makeColorModel (int screen,
boolean dynamic);
/**
* Returns a dynamic ColorModel which is updated when there
* are any changes (e.g., palette changes) in the device
*/
public ColorModel getDynamicColorModel() {
if (dynamicColorModel == null) {
dynamicColorModel = makeColorModel(screen, true);
}
return dynamicColorModel;
}
/**
* Returns the non-dynamic ColorModel associated with this device
*/
public ColorModel getColorModel() {
if (colorModel == null) {
colorModel = makeColorModel(screen, false);
}
return colorModel;
}
private native int getDeviceMemoryNative(int screen);
/**
* Returns number of bytes available in VRAM on this device.
*/
public int getAvailableAcceleratedMemory() {
return getDeviceMemoryNative(screen);
}
}