diff options
Diffstat (limited to 'src/jogl')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java | 350 |
1 files changed, 235 insertions, 115 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java index a080a7045..0320c63ae 100644 --- a/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java +++ b/src/jogl/classes/com/jogamp/opengl/swt/GLCanvas.java @@ -29,10 +29,16 @@ package com.jogamp.opengl.swt; import java.util.List; +import javax.media.nativewindow.AbstractGraphicsConfiguration; import javax.media.nativewindow.AbstractGraphicsDevice; +import javax.media.nativewindow.AbstractGraphicsScreen; +import javax.media.nativewindow.GraphicsConfigurationFactory; import javax.media.nativewindow.NativeSurface; +import javax.media.nativewindow.NativeWindowException; import javax.media.nativewindow.ProxySurface; import javax.media.nativewindow.UpstreamSurfaceHook; +import javax.media.nativewindow.VisualIDHolder; +import javax.media.nativewindow.VisualIDHolder.VIDType; import javax.media.opengl.GL; import javax.media.opengl.GLAnimatorControl; import javax.media.opengl.GLAutoDrawable; @@ -48,23 +54,20 @@ import javax.media.opengl.GLProfile; import javax.media.opengl.GLRunnable; import javax.media.opengl.Threading; +import jogamp.nativewindow.x11.X11Util; import jogamp.opengl.Debug; import jogamp.opengl.GLContextImpl; import jogamp.opengl.GLDrawableHelper; import jogamp.opengl.GLDrawableImpl; import org.eclipse.swt.SWT; -import org.eclipse.swt.events.ControlEvent; -import org.eclipse.swt.events.ControlListener; -import org.eclipse.swt.events.DisposeEvent; -import org.eclipse.swt.events.DisposeListener; -import org.eclipse.swt.events.PaintEvent; -import org.eclipse.swt.events.PaintListener; import org.eclipse.swt.graphics.Rectangle; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Canvas; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; +import org.eclipse.swt.widgets.Event; +import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import com.jogamp.common.GlueGenVersion; @@ -73,13 +76,14 @@ import com.jogamp.common.util.VersionUtil; import com.jogamp.common.util.locks.LockFactory; import com.jogamp.common.util.locks.RecursiveLock; import com.jogamp.nativewindow.swt.SWTAccessor; +import com.jogamp.nativewindow.x11.X11GraphicsDevice; import com.jogamp.opengl.JoglVersion; /** * Native SWT Canvas implementing GLAutoDrawable - * - * <p>Note: To employ custom GLCapabilities, NewtCanvasSWT shall be used instead.</p> - * + * <p> + * Implementation allows use of custom {@link GLCapabilities}. + * </p> */ public class GLCanvas extends Canvas implements GLAutoDrawable { private static final boolean DEBUG = Debug.debug("GLCanvas"); @@ -103,11 +107,15 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { private final GLCapabilitiesImmutable capsRequested; private final GLCapabilitiesChooser capsChooser; + private volatile Rectangle clientArea; private volatile GLDrawableImpl drawable; // volatile: avoid locking for read-only access - private GLContextImpl context; + private volatile GLContextImpl context; /* Native window surface */ - private AbstractGraphicsDevice device; + private final boolean useX11GTK; + private volatile long gdkWindow; // either GDK child window .. + private volatile long x11Window; // .. or X11 child window (for GL rendering) + private final AbstractGraphicsScreen screen; /* Construction parameters stored for GLAutoDrawable accessor methods */ private int additionalCtxCreationFlags = 0; @@ -135,7 +143,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { @Override public void run() { if (sendReshape) { - helper.reshape(GLCanvas.this, 0, 0, getWidth(), getHeight()); + helper.reshape(GLCanvas.this, 0, 0, clientArea.width, clientArea.height); sendReshape = false; } helper.display(GLCanvas.this); @@ -143,7 +151,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { }; /* Action to make specified context current prior to running displayAction */ - private final Runnable makeCurrentAndDisplayOnEDTAction = new Runnable() { + private final Runnable makeCurrentAndDisplayOnGLAction = new Runnable() { @Override public void run() { final RecursiveLock _lock = lock; @@ -159,13 +167,14 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { }; /* Swaps buffers, assuming the GLContext is current */ - private final Runnable swapBuffersOnEDTAction = new Runnable() { + private final Runnable swapBuffersOnGLAction = new Runnable() { @Override public void run() { final RecursiveLock _lock = lock; _lock.lock(); try { - if(null != drawable && !GLCanvas.this.isDisposed() ) { + final boolean drawableOK = null != drawable && drawable.isRealized(); + if( drawableOK && !GLCanvas.this.isDisposed() ) { drawable.swapBuffers(); } } finally { @@ -212,10 +221,14 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { drawable.setRealized(false); drawable = null; } - if (null != device) { - device.close(); - device = null; + if( 0 != x11Window) { + SWTAccessor.destroyX11Window(screen.getDevice(), x11Window); + x11Window = 0; + } else if( 0 != gdkWindow) { + SWTAccessor.destroyGDKWindow(gdkWindow); + gdkWindow = 0; } + screen.getDevice().close(); if (animatorPaused) { animator.resume(); @@ -249,11 +262,6 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { } }; - /** - * Storage for the client area rectangle so that it may be accessed from outside of the SWT thread. - */ - private volatile Rectangle clientArea; - /** * Creates an instance using {@link #GLCanvas(Composite, int, GLCapabilitiesImmutable, GLCapabilitiesChooser, GLContext)} * on the SWT thread. @@ -293,72 +301,80 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { * @param style * Optional SWT style bit-field. The {@link SWT#NO_BACKGROUND} bit is set before passing this up to the * Canvas constructor, so OpenGL handles the background. - * @param caps + * @param capsReqUser * Optional GLCapabilities. If not provided, the default capabilities for the default GLProfile for the * graphics device determined by the parent Composite are used. Note that the GLCapabilities that are * actually used may differ based on the capabilities of the graphics device. - * @param chooser + * @param capsChooser * Optional GLCapabilitiesChooser to customize the selection of the used GLCapabilities based on the * requested GLCapabilities, and the available capabilities of the graphics device. * @param shareWith * Optional GLContext to share state (textures, vbos, shaders, etc.) with. */ - public GLCanvas(final Composite parent, final int style, GLCapabilitiesImmutable caps, - final GLCapabilitiesChooser chooser, final GLContext shareWith) { + public GLCanvas(final Composite parent, final int style, GLCapabilitiesImmutable capsReqUser, + final GLCapabilitiesChooser capsChooser, final GLContext shareWith) { /* NO_BACKGROUND required to avoid clearing bg in native SWT widget (we do this in the GL display) */ super(parent, style | SWT.NO_BACKGROUND); GLProfile.initSingleton(); // ensure JOGL is completly initialized SWTAccessor.setRealized(this, true); - + clientArea = GLCanvas.this.getClientArea(); /* Get the nativewindow-Graphics Device associated with this control (which is determined by the parent Composite). * Note: SWT is owner of the native handle, hence closing operation will be a NOP. */ - device = SWTAccessor.getDevice(this); + final AbstractGraphicsDevice swtDevice = SWTAccessor.getDevice(this); + + useX11GTK = SWTAccessor.useX11GTK(); + if(useX11GTK) { + // Decoupled X11 Device/Screen allowing X11 display lock-free off-thread rendering + final long x11DeviceHandle = X11Util.openDisplay(swtDevice.getConnection()); + if( 0 == x11DeviceHandle ) { + throw new RuntimeException("Error creating display(EDT): "+swtDevice.getConnection()); + } + final AbstractGraphicsDevice x11Device = new X11GraphicsDevice(x11DeviceHandle, AbstractGraphicsDevice.DEFAULT_UNIT, true /* owner */); + screen = SWTAccessor.getScreen(x11Device, -1 /* default */); + } else { + screen = SWTAccessor.getScreen(swtDevice, -1 /* default */); + } /* Select default GLCapabilities if none was provided, otherwise clone provided caps to ensure safety */ - if(null == caps) { - caps = new GLCapabilities(GLProfile.getDefault(device)); + if(null == capsReqUser) { + capsReqUser = new GLCapabilities(GLProfile.getDefault(screen.getDevice())); } - this.capsRequested = caps; - this.capsChooser = chooser; + + this.capsRequested = capsReqUser; + this.capsChooser = capsChooser; this.shareWith = shareWith; // post create .. when ready + gdkWindow = 0; + x11Window = 0; drawable = null; context = null; - /* Register SWT listeners (e.g. PaintListener) to render/resize GL surface. */ - /* TODO: verify that these do not need to be manually de-registered when destroying the SWT component */ - addPaintListener(new PaintListener() { - @Override - public void paintControl(final PaintEvent arg0) { - if ( !helper.isAnimatorAnimatingOnOtherThread() ) { - display(); // checks: null != drawable - } - } - }); - - addControlListener(new ControlListener() { - @Override - public void controlMoved(ControlEvent e) { - } - - @Override - public void controlResized(final ControlEvent arg0) { - updateSizeCheck(); - } - }); - - addDisposeListener(new DisposeListener() { - @Override - public void widgetDisposed(DisposeEvent e) { - GLCanvas.this.dispose(); - } - }); + final Listener listener = new Listener () { + @Override + public void handleEvent (Event event) { + switch (event.type) { + case SWT.Paint: + displayIfNoAnimatorNoCheck(); + break; + case SWT.Resize: + updateSizeCheck(); + break; + case SWT.Dispose: + GLCanvas.this.dispose(); + break; + } + } + }; + addListener (SWT.Resize, listener); + addListener (SWT.Paint, listener); + addListener (SWT.Dispose, listener); } + private final UpstreamSurfaceHook swtCanvasUpStreamHook = new UpstreamSurfaceHook() { @Override public final void create(ProxySurface s) { /* nop */ } @@ -390,11 +406,13 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { ) { clientArea = nClientArea; // write back new value - GLDrawableImpl _drawable = drawable; - if( null != _drawable ) { - if(DEBUG) { - System.err.println("GLCanvas.sizeChanged: ("+Thread.currentThread().getName()+"): "+nClientArea.width+"x"+nClientArea.height+" - surfaceHandle 0x"+Long.toHexString(getNativeSurface().getSurfaceHandle())); - } + final GLDrawableImpl _drawable = drawable; + final boolean drawableOK = null != _drawable && _drawable.isRealized(); + if(DEBUG) { + final long dh = drawableOK ? _drawable.getHandle() : 0; + System.err.println("GLCanvas.sizeChanged: ("+Thread.currentThread().getName()+"): "+nClientArea.x+"/"+nClientArea.y+" "+nClientArea.width+"x"+nClientArea.height+" - drawableHandle 0x"+Long.toHexString(dh)); + } + if( drawableOK ) { if( ! _drawable.getChosenGLCapabilities().isOnscreen() ) { final RecursiveLock _lock = lock; _lock.lock(); @@ -407,66 +425,154 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { } finally { _lock.unlock(); } - } - sendReshape = true; // async if display() doesn't get called below, but avoiding deadlock - } + } + } + if(0 != x11Window) { + SWTAccessor.resizeX11Window(screen.getDevice(), clientArea, x11Window); + } else if(0 != gdkWindow) { + SWTAccessor.resizeGDKWindow(clientArea, gdkWindow); + } + sendReshape = true; // async if display() doesn't get called below, but avoiding deadlock } } - @Override - public void display() { - if( null != drawable || validateDrawableAndContext() ) { - runInGLThread(makeCurrentAndDisplayOnEDTAction); - } + private boolean isValidAndVisibleOnEDTActionResult; + private final Runnable isValidAndVisibleOnEDTAction = new Runnable() { + @Override + public void run() { + isValidAndVisibleOnEDTActionResult = !GLCanvas.this.isDisposed() && GLCanvas.this.isVisible(); + } }; + + private final boolean isValidAndVisibleOnEDT() { + synchronized(isValidAndVisibleOnEDTAction) { + runOnEDTIfAvail(true, isValidAndVisibleOnEDTAction); + return isValidAndVisibleOnEDTActionResult; + } } - - /** assumes drawable == null ! */ - protected final boolean validateDrawableAndContext() { - if( isDisposed() || !isVisible() ) { + /** assumes drawable == null || !drawable.isRealized() ! Checks of !isDispose() and isVisible() */ + protected final boolean validateDrawableAndContextWithCheck() { + if( !isValidAndVisibleOnEDT() ) { return false; } + return validateDrawableAndContextPostCheck(); + } + + /** assumes drawable == null || !drawable.isRealized() ! No check of !isDispose() and isVisible() */ + protected final boolean validateDrawableAndContextPostCheck() { final Rectangle nClientArea = clientArea; if(0 >= nClientArea.width || 0 >= nClientArea.height) { return false; } + final boolean res; final RecursiveLock _lock = lock; _lock.lock(); try { - final GLDrawableFactory glFactory = GLDrawableFactory.getFactory(capsRequested.getGLProfile()); - - /* Native handle for the control, used to associate with GLContext */ - final long nativeWindowHandle = SWTAccessor.getWindowHandle(this); - - /* Create a NativeWindow proxy for the SWT canvas */ - ProxySurface proxySurface = null; - try { - proxySurface = glFactory.createProxySurface(device, 0 /* screenIdx */, nativeWindowHandle, - capsRequested, capsChooser, swtCanvasUpStreamHook); - } catch (GLException gle) { - // not ready yet .. - if(DEBUG) { System.err.println(gle.getMessage()); } + if(null == drawable) { + createDrawableAndContext(); } - - if(null != proxySurface) { - /* Associate a GL surface with the proxy */ - drawable = (GLDrawableImpl) glFactory.createGLDrawable(proxySurface); + if(null != drawable) { drawable.setRealized(true); - - context = (GLContextImpl) drawable.createContext(shareWith); + res = drawable.isRealized(); + } else { + res = false; } } finally { _lock.unlock(); + } + + if(res) { + sendReshape = true; + if(DEBUG) { + System.err.println("SWT GLCanvas realized! "+this+", "+drawable); + // Thread.dumpStack(); + } } - final boolean res = null != drawable; - if(DEBUG && res) { - System.err.println("SWT GLCanvas realized! "+this+", "+drawable); - Thread.dumpStack(); - } - return res; + return res; + } + + private final void createDrawableAndContext() { + final AbstractGraphicsDevice device = screen.getDevice(); + device.open(); + + final long nativeWindowHandle; + if( useX11GTK ) { + final GraphicsConfigurationFactory factory = GraphicsConfigurationFactory.getFactory(device, capsRequested); + final AbstractGraphicsConfiguration cfg = factory.chooseGraphicsConfiguration( + capsRequested, capsRequested, capsChooser, screen, VisualIDHolder.VID_UNDEFINED); + if(DEBUG) { + System.err.println("SWT.GLCanvas.X11 factory: "+factory+", chosen config: "+cfg); + } + if (null == cfg) { + throw new NativeWindowException("Error choosing GraphicsConfiguration creating window: "+this); + } + final int visualID = cfg.getVisualID(VIDType.NATIVE); + if( VisualIDHolder.VID_UNDEFINED != visualID ) { + // gdkWindow = SWTAccessor.createCompatibleGDKChildWindow(this, visualID, clientArea.width, clientArea.height); + // nativeWindowHandle = SWTAccessor.gdk_window_get_xwindow(gdkWindow); + x11Window = SWTAccessor.createCompatibleX11ChildWindow(screen, this, visualID, clientArea.width, clientArea.height); + nativeWindowHandle = x11Window; + } else { + throw new GLException("Could not choose valid visualID: 0x"+Integer.toHexString(visualID)+", "+this); + } + } else { + nativeWindowHandle = SWTAccessor.getWindowHandle(this); + } + final GLDrawableFactory glFactory = GLDrawableFactory.getFactory(capsRequested.getGLProfile()); + + // Create a NativeWindow proxy for the SWT canvas + ProxySurface proxySurface = glFactory.createProxySurface(device, screen.getIndex(), nativeWindowHandle, + capsRequested, capsChooser, swtCanvasUpStreamHook); + // Associate a GL surface with the proxy + drawable = (GLDrawableImpl) glFactory.createGLDrawable(proxySurface); + context = (GLContextImpl) drawable.createContext(shareWith); + context.setContextCreationFlags(additionalCtxCreationFlags); + } + + @Override + public void update() { + // don't paint background etc .. nop avoids flickering + // super.update(); + } + + /** + @Override + public boolean forceFocus() { + final boolean r = super.forceFocus(); + if(r && 0 != gdkWindow) { + SWTGTKUtil.focusGDKWindow(gdkWindow); + } + return r; + } */ + + @Override + public void dispose() { + runInGLThread(disposeOnEDTGLAction); + super.dispose(); + } + + private final void displayIfNoAnimatorNoCheck() { + if ( !helper.isAnimatorAnimatingOnOtherThread() ) { + final boolean drawableOK = null != drawable && drawable.isRealized(); + if( drawableOK || validateDrawableAndContextPostCheck() ) { + runInGLThread(makeCurrentAndDisplayOnGLAction); + } + } } + // + // GL[Auto]Drawable + // + + @Override + public void display() { + final boolean drawableOK = null != drawable && drawable.isRealized(); + if( drawableOK || validateDrawableAndContextWithCheck() ) { + runInGLThread(makeCurrentAndDisplayOnGLAction); + } + } + @Override public final Object getUpstreamWidget() { return this; @@ -692,18 +798,7 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { @Override public void swapBuffers() throws GLException { - runInGLThread(swapBuffersOnEDTAction); - } - - @Override - public void update() { - // don't paint background etc .. nop avoids flickering - } - - @Override - public void dispose() { - runInGLThread(disposeOnEDTGLAction); - super.dispose(); + runInGLThread(swapBuffersOnGLAction); } /** @@ -746,7 +841,32 @@ public class GLCanvas extends Canvas implements GLAutoDrawable { } */ action.run(); } + + private void runOnEDTIfAvail(boolean wait, final Runnable action) { + final Display d = isDisposed() ? null : getDisplay(); + if( null == d || d.isDisposed() || d.getThread() == Thread.currentThread() ) { + action.run(); + } else if(wait) { + d.syncExec(action); + } else { + d.asyncExec(action); + } + } + + @Override + public String toString() { + final GLDrawable _drawable = drawable; + final int dw = (null!=_drawable) ? _drawable.getWidth() : -1; + final int dh = (null!=_drawable) ? _drawable.getHeight() : -1; + return "SWT-GLCanvas[Realized "+isRealized()+ + ",\n\t"+((null!=_drawable)?_drawable.getClass().getName():"null-drawable")+ + ",\n\tFactory "+getFactory()+ + ",\n\thandle 0x"+Long.toHexString(getHandle())+ + ",\n\tDrawable size "+dw+"x"+dh+ + ",\n\tSWT size "+getWidth()+"x"+getHeight()+"]"; + } + public static void main(final String[] args) { System.err.println(VersionUtil.getPlatformInfo()); System.err.println(GlueGenVersion.getInstance()); |