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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package sun.java2d.opengl;
import java.awt.AWTException;
import java.awt.BufferCapabilities;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.ImageCapabilities;
import java.awt.Transparency;
import java.awt.color.ColorSpace;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DirectColorModel;
import java.awt.image.VolatileImage;
import sun.awt.Win32GraphicsConfig;
import sun.awt.Win32GraphicsDevice;
import sun.awt.image.SunVolatileImage;
import sun.awt.image.SurfaceManager;
import sun.awt.windows.WComponentPeer;
import sun.java2d.Disposer;
import sun.java2d.DisposerRecord;
import sun.java2d.SunGraphics2D;
import sun.java2d.Surface;
import sun.java2d.SurfaceData;
import sun.java2d.opengl.OGLContext.OGLContextCaps;
import sun.java2d.pipe.hw.AccelSurface;
import sun.java2d.pipe.hw.AccelTypedVolatileImage;
import sun.java2d.pipe.hw.ContextCapabilities;
import sun.java2d.windows.GDIWindowSurfaceData;
import static sun.java2d.opengl.OGLContext.OGLContextCaps.CAPS_DOUBLEBUFFERED;
import static sun.java2d.opengl.OGLContext.OGLContextCaps.CAPS_EXT_FBOBJECT;
import static sun.java2d.opengl.WGLSurfaceData.FBOBJECT;
import static sun.java2d.opengl.WGLSurfaceData.TEXTURE;
import static sun.java2d.opengl.WGLSurfaceData.WGLVSyncOffScreenSurfaceData;
public final class WGLGraphicsConfig
extends Win32GraphicsConfig
implements OGLGraphicsConfig
{
protected static boolean wglAvailable;
private static ImageCapabilities imageCaps = new WGLImageCaps();
private BufferCapabilities bufferCaps;
private long pConfigInfo;
private ContextCapabilities oglCaps;
private final OGLContext context;
private Object disposerReferent = new Object();
public static native int getDefaultPixFmt(int screennum);
private static native boolean initWGL();
private static native long getWGLConfigInfo(int screennum, int visualnum);
private static native int getOGLCapabilities(long configInfo);
static {
wglAvailable = initWGL();
}
@SuppressWarnings("deprecation")
protected WGLGraphicsConfig(Win32GraphicsDevice device, int visualnum,
long configInfo, ContextCapabilities oglCaps)
{
super(device, visualnum);
this.pConfigInfo = configInfo;
this.oglCaps = oglCaps;
context = new OGLContext(OGLRenderQueue.getInstance());
// add a record to the Disposer so that we destroy the native
// WGLGraphicsConfigInfo data when this object goes away
Disposer.addRecord(disposerReferent,
new WGLGCDisposerRecord(pConfigInfo));
}
@Override
public Object getProxyKey() {
return this;
}
@Override
public SurfaceData createManagedSurface(int w, int h, int transparency) {
return WGLSurfaceData.createData(this, w, h,
getColorModel(transparency),
null,
OGLSurfaceData.TEXTURE);
}
public static WGLGraphicsConfig getConfig(Win32GraphicsDevice device,
int pixfmt)
{
if (!wglAvailable) {
return null;
}
long cfginfo = 0;
final String[] ids = new String[1];
OGLRenderQueue rq = OGLRenderQueue.getInstance();
rq.lock();
try {
// getWGLConfigInfo() creates and destroys temporary
// surfaces/contexts, so we should first invalidate the current
// Java-level context and flush the queue...
OGLContext.invalidateCurrentContext();
WGLGetConfigInfo action =
new WGLGetConfigInfo(device.getScreen(), pixfmt);
rq.flushAndInvokeNow(action);
cfginfo = action.getConfigInfo();
if (cfginfo != 0L) {
OGLContext.setScratchSurface(cfginfo);
rq.flushAndInvokeNow(new Runnable() {
@Override
public void run() {
ids[0] = OGLContext.getOGLIdString();
}
});
}
} finally {
rq.unlock();
}
if (cfginfo == 0) {
return null;
}
int oglCaps = getOGLCapabilities(cfginfo);
ContextCapabilities caps = new OGLContextCaps(oglCaps, ids[0]);
return new WGLGraphicsConfig(device, pixfmt, cfginfo, caps);
}
/**
* This is a small helper class that allows us to execute
* getWGLConfigInfo() on the queue flushing thread.
*/
private static class WGLGetConfigInfo implements Runnable {
private int screen;
private int pixfmt;
private long cfginfo;
private WGLGetConfigInfo(int screen, int pixfmt) {
this.screen = screen;
this.pixfmt = pixfmt;
}
@Override
public void run() {
cfginfo = getWGLConfigInfo(screen, pixfmt);
}
public long getConfigInfo() {
return cfginfo;
}
}
public static boolean isWGLAvailable() {
return wglAvailable;
}
/**
* Returns true if the provided capability bit is present for this config.
* See OGLContext.java for a list of supported capabilities.
*/
@Override
public final boolean isCapPresent(int cap) {
return ((oglCaps.getCaps() & cap) != 0);
}
@Override
public final long getNativeConfigInfo() {
return pConfigInfo;
}
@Override
public final OGLContext getContext() {
return context;
}
private static class WGLGCDisposerRecord implements DisposerRecord {
private long pCfgInfo;
public WGLGCDisposerRecord(long pCfgInfo) {
this.pCfgInfo = pCfgInfo;
}
@Override
public void dispose() {
if (pCfgInfo != 0) {
OGLRenderQueue.disposeGraphicsConfig(pCfgInfo);
pCfgInfo = 0;
}
}
}
@Override
public synchronized void displayChanged() {
super.displayChanged();
// the context could hold a reference to a WGLSurfaceData, which in
// turn has a reference back to this WGLGraphicsConfig, so in order
// for this instance to be disposed we need to break the connection
OGLRenderQueue rq = OGLRenderQueue.getInstance();
rq.lock();
try {
OGLContext.invalidateCurrentContext();
} finally {
rq.unlock();
}
}
@Override
public ColorModel getColorModel(int transparency) {
switch (transparency) {
case Transparency.OPAQUE:
// REMIND: once the ColorModel spec is changed, this should be
// an opaque premultiplied DCM...
return new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
case Transparency.BITMASK:
return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000);
case Transparency.TRANSLUCENT:
ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
return new DirectColorModel(cs, 32,
0xff0000, 0xff00, 0xff, 0xff000000,
true, DataBuffer.TYPE_INT);
default:
return null;
}
}
@Override
public String toString() {
return ("WGLGraphicsConfig[dev="+getDevice()+",pixfmt="+visual+"]");
}
/**
* The following methods are invoked from WComponentPeer.java rather
* than having the Win32-dependent implementations hardcoded in that
* class. This way the appropriate actions are taken based on the peer's
* GraphicsConfig, whether it is a Win32GraphicsConfig or a
* WGLGraphicsConfig.
*/
/**
* Creates a new SurfaceData that will be associated with the given
* WComponentPeer.
*/
@Override
public SurfaceData createSurfaceData(WComponentPeer peer,
int numBackBuffers)
{
SurfaceData sd = WGLSurfaceData.createData(peer);
if (sd == null) {
sd = GDIWindowSurfaceData.createData(peer);
}
return sd;
}
/**
* The following methods correspond to the multibuffering methods in
* WComponentPeer.java...
*/
/**
* Checks that the requested configuration is natively supported; if not,
* an AWTException is thrown.
*/
@Override
public void assertOperationSupported(Component target,
int numBuffers,
BufferCapabilities caps)
throws AWTException
{
if (numBuffers > 2) {
throw new AWTException(
"Only double or single buffering is supported");
}
BufferCapabilities configCaps = getBufferCapabilities();
if (!configCaps.isPageFlipping()) {
throw new AWTException("Page flipping is not supported");
}
if (caps.getFlipContents() == BufferCapabilities.FlipContents.PRIOR) {
throw new AWTException("FlipContents.PRIOR is not supported");
}
}
/**
* Creates a WGL-based backbuffer for the given peer and returns the
* image wrapper.
*/
@Override
public VolatileImage createBackBuffer(WComponentPeer peer) {
Component target = (Component)peer.getTarget();
// it is possible for the component to have size 0x0, adjust it to
// be at least 1x1 to avoid IAE
int w = Math.max(1, target.getWidth());
int h = Math.max(1, target.getHeight());
return new SunVolatileImage(target,
w, h,
Boolean.TRUE);
}
/**
* Performs the native WGL flip operation for the given target Component.
*/
@Override
public void flip(WComponentPeer peer,
Component target, VolatileImage backBuffer,
int x1, int y1, int x2, int y2,
BufferCapabilities.FlipContents flipAction)
{
if (flipAction == BufferCapabilities.FlipContents.COPIED) {
SurfaceManager vsm = SurfaceManager.getManager(backBuffer);
SurfaceData sd = vsm.getPrimarySurfaceData();
if (sd instanceof WGLVSyncOffScreenSurfaceData) {
WGLVSyncOffScreenSurfaceData vsd =
(WGLVSyncOffScreenSurfaceData)sd;
SurfaceData bbsd = vsd.getFlipSurface();
Graphics2D bbg =
new SunGraphics2D(bbsd, Color.black, Color.white, null);
try {
bbg.drawImage(backBuffer, 0, 0, null);
} finally {
bbg.dispose();
}
} else {
Graphics g = peer.getGraphics();
try {
g.drawImage(backBuffer,
x1, y1, x2, y2,
x1, y1, x2, y2,
null);
} finally {
g.dispose();
}
return;
}
} else if (flipAction == BufferCapabilities.FlipContents.PRIOR) {
// not supported by WGL...
return;
}
OGLSurfaceData.swapBuffers(peer.getData());
if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) {
Graphics g = backBuffer.getGraphics();
try {
g.setColor(target.getBackground());
g.fillRect(0, 0,
backBuffer.getWidth(),
backBuffer.getHeight());
} finally {
g.dispose();
}
}
}
private static class WGLBufferCaps extends BufferCapabilities {
public WGLBufferCaps(boolean dblBuf) {
super(imageCaps, imageCaps,
dblBuf ? FlipContents.UNDEFINED : null);
}
}
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