diff options
Diffstat (limited to 'src')
4 files changed, 131 insertions, 39 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java index 6bc93bf36..e4b5eae5c 100644 --- a/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java +++ b/src/jogl/classes/jogamp/opengl/GLDrawableHelper.java @@ -76,6 +76,8 @@ public class GLDrawableHelper { } protected static final boolean DEBUG = GLDrawableImpl.DEBUG; + private static final boolean DEBUG_SETCLEAR = GLContext.DEBUG_GL || DEBUG; + private final Object listenersLock = new Object(); private final ArrayList<GLEventListener> listeners = new ArrayList<GLEventListener>(); private final HashSet<GLEventListener> listenersToBeInit = new HashSet<GLEventListener>(); @@ -638,10 +640,10 @@ public class GLDrawableHelper { } } - private final void init(final GLEventListener l, final GLAutoDrawable drawable, final boolean sendReshape, final boolean setViewport) { + private final void init(final GLEventListener l, final GLAutoDrawable drawable, final boolean sendReshape) { l.init(drawable); if(sendReshape) { - reshape(l, drawable, 0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight(), setViewport, false /* checkInit */); + l.reshape(drawable, 0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight()); } } @@ -650,6 +652,7 @@ public class GLDrawableHelper { * @param sendReshape set to true if the subsequent display call won't reshape, otherwise false to avoid double reshape. **/ public final void init(final GLAutoDrawable drawable, final boolean sendReshape) { + setViewportAndClear(drawable, 0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight()); synchronized(listenersLock) { final ArrayList<GLEventListener> _listeners = listeners; final int listenerCount = _listeners.size(); @@ -661,11 +664,8 @@ public class GLDrawableHelper { // This may happen not just for initial setup, but for ctx recreation due to resource change (drawable/window), // hence it must be called unconditional, always. listenersToBeInit.remove(listener); // remove if exist, avoiding dbl init - init( listener, drawable, sendReshape, 0==i /* setViewport */); + init(listener, drawable, sendReshape); } - } else { - // Expose same GL initialization if not using any GLEventListener - drawable.getGL().glViewport(0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight()); } } } @@ -687,7 +687,7 @@ public class GLDrawableHelper { // GLEventListener may need to be init, // in case this one is added after the realization of the GLAutoDrawable if( listenersToBeInit.remove(listener) ) { - init( listener, drawable, true /* sendReshape */, listenersToBeInit.size() + 1 == listenerCount /* setViewport if 1st init */ ); + init( listener, drawable, true /* sendReshape */ ); } listener.display(drawable); } @@ -712,41 +712,43 @@ public class GLDrawableHelper { // GLEventListener may need to be init, // in case this one is added after the realization of the GLAutoDrawable if( listenersToBeInit.remove(listener) ) { - init( listener, drawable, true /* sendReshape */, listenersToBeInit.size() + 1 == listenerCount /* setViewport if 1st init */ ); + init( listener, drawable, true /* sendReshape */ ); } action.run(drawable, listener); } } } - private final void reshape(final GLEventListener listener, final GLAutoDrawable drawable, - final int x, final int y, final int width, final int height, final boolean setViewport, final boolean checkInit) { - if(checkInit) { - // GLEventListener may need to be init, - // in case this one is added after the realization of the GLAutoDrawable - synchronized(listenersLock) { - if( listenersToBeInit.remove(listener) ) { - listener.init(drawable); - } - } - } - if(setViewport) { - if( GLContext.DEBUG_GL || DEBUG ) { - final int glerr0 = drawable.getGL().glGetError(); - if( GL.GL_NO_ERROR != glerr0 ) { - System.err.println("Info: GLDrawableHelper.reshape: pre-exisiting GL error 0x"+Integer.toHexString(glerr0)); - ExceptionUtils.dumpStack(System.err); - } - } - drawable.getGL().glViewport(x, y, width, height); - } - listener.reshape(drawable, x, y, width, height); + /** + * Bug 1206: Security: Clear exposed framebuffer after creation and before visibility + * - Clear framebuffer after setting viewport + * - Since we only attempt to help against leaking un-initialized framebuffer content + * not against user-app faults, we do not clear a 2nd-buffer (double-buffering). + */ + private final void setViewportAndClear(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { + final GL gl = drawable.getGL(); + if( DEBUG_SETCLEAR ) { + final int glerr0 = gl.glGetError(); + if( GL.GL_NO_ERROR != glerr0 ) { + System.err.println("Info: GLDrawableHelper.reshape: pre-exisiting GL error 0x"+Integer.toHexString(glerr0)); + ExceptionUtils.dumpStack(System.err); + } + } + gl.glViewport(x, y, width, height); + gl.glClear(GL.GL_COLOR_BUFFER_BIT); } public final void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { + setViewportAndClear(drawable, x, y, width, height); synchronized(listenersLock) { for (int i=0; i < listeners.size(); i++) { - reshape(listeners.get(i), drawable, x, y, width, height, 0==i /* setViewport */, true /* checkInit */); + final GLEventListener l = listeners.get(i); + // GLEventListener may need to be init, + // in case this one is added after the realization of the GLAutoDrawable + if( listenersToBeInit.remove(l) ) { + l.init(drawable); + } + l.reshape(drawable, x, y, width, height); } } } diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/GLClearOnInitReshape.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/GLClearOnInitReshape.java new file mode 100644 index 000000000..46be7ef0a --- /dev/null +++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/GLClearOnInitReshape.java @@ -0,0 +1,64 @@ +/** + * Copyright 2015 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package com.jogamp.opengl.test.junit.jogl.demos; + +import com.jogamp.opengl.GL; +import com.jogamp.opengl.GLAutoDrawable; +import com.jogamp.opengl.GLEventListener; + +public class GLClearOnInitReshape implements GLEventListener { + int lastWidth, lastHeight; + boolean doClear; + + @Override + public void init(final GLAutoDrawable drawable) { + lastWidth = drawable.getSurfaceWidth(); + lastHeight = drawable.getSurfaceHeight(); + doClear = true; + } + + @Override + public void dispose(final GLAutoDrawable drawable) { } + + @Override + public void display(final GLAutoDrawable drawable) { + if( doClear ) { + drawable.getGL().glClear(GL.GL_COLOR_BUFFER_BIT); + doClear = false; + } + } + + @Override + public void reshape(final GLAutoDrawable drawable, final int x, final int y, final int width, final int height) { + if( lastHeight != height || lastWidth != width ) { + doClear = true; + lastWidth = width; + lastHeight = height; + } + } +} diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2GLJPanelAWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2GLJPanelAWT.java index 0312604d7..a41e4b9e7 100644 --- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2GLJPanelAWT.java +++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/awt/TestGearsES2GLJPanelAWT.java @@ -65,6 +65,7 @@ import com.jogamp.newt.event.TraceKeyAdapter; import com.jogamp.newt.event.TraceWindowAdapter; import com.jogamp.newt.event.awt.AWTKeyAdapter; import com.jogamp.newt.event.awt.AWTWindowAdapter; +import com.jogamp.opengl.test.junit.jogl.demos.GLClearOnInitReshape; import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2; import com.jogamp.opengl.test.junit.jogl.demos.gl2.Gears; import com.jogamp.opengl.test.junit.util.AWTRobotUtil; @@ -80,6 +81,7 @@ public class TestGearsES2GLJPanelAWT extends UITestCase { static boolean forceES3 = false; static boolean forceGL3 = false; static boolean forceGLFFP = false; + static int demoType = 1; static boolean shallUsePBuffer = false; static boolean shallUseBitmap = false; static boolean useMSAA = false; @@ -132,6 +134,26 @@ public class TestGearsES2GLJPanelAWT extends UITestCase { hasSurfacePixelScale[0]+"x"+hasSurfacePixelScale[1]+"]"); } + protected GLEventListener createDemo(final GLCapabilities caps) { + final GLEventListener demo; + if( 1 == demoType ) { + if( caps.isBitmap() || caps.getGLProfile().isGL2() ) { + final Gears gears = new Gears(swapInterval); + gears.setFlipVerticalInGLOrientation(skipGLOrientationVerticalFlip); + demo = gears; + } else { + final GearsES2 gears = new GearsES2(swapInterval); + gears.setFlipVerticalInGLOrientation(skipGLOrientationVerticalFlip); + demo = gears; + } + } else if( 0 == demoType ) { + demo = new GLClearOnInitReshape(); + } else { + demo = null; + } + return demo; + } + protected GLJPanel newGLJPanel(final JFrame frame, final GLCapabilities caps, final FPSAnimator animator, final SnapshotGLEventListener snap) throws AWTException, InterruptedException, InvocationTargetException { @@ -142,14 +164,11 @@ public class TestGearsES2GLJPanelAWT extends UITestCase { glJPanel.setPreferredSize(wsize); glJPanel.setSize(wsize); glJPanel.setSurfaceScale(reqSurfacePixelScale); - if( caps.isBitmap() || caps.getGLProfile().isGL2() ) { - final Gears gears = new Gears(swapInterval); - gears.setFlipVerticalInGLOrientation(skipGLOrientationVerticalFlip); - glJPanel.addGLEventListener(gears); - } else { - final GearsES2 gears = new GearsES2(swapInterval); - gears.setFlipVerticalInGLOrientation(skipGLOrientationVerticalFlip); - glJPanel.addGLEventListener(gears); + { + final GLEventListener demo = createDemo(caps); + if( null != demo ) { + glJPanel.addGLEventListener(demo); + } } if( null != snap ) { glJPanel.addGLEventListener(snap); @@ -644,6 +663,9 @@ public class TestGearsES2GLJPanelAWT extends UITestCase { shallUseBitmap = true; } else if(args[i].equals("-manual")) { manualTest = true; + } else if(args[i].equals("-demo")) { + i++; + demoType = MiscUtils.atoi(args[i], 0); } } wsize = new Dimension(w, h); @@ -663,6 +685,7 @@ public class TestGearsES2GLJPanelAWT extends UITestCase { System.err.println("shallUsePBuffer "+shallUsePBuffer); System.err.println("shallUseBitmap "+shallUseBitmap); System.err.println("manualTest "+manualTest); + System.err.println("demoType "+demoType); org.junit.runner.JUnitCore.main(TestGearsES2GLJPanelAWT.class.getName()); } diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/newt/TestGearsES2NEWT.java b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/newt/TestGearsES2NEWT.java index 9098c3ea8..c821111a4 100644 --- a/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/newt/TestGearsES2NEWT.java +++ b/src/test/com/jogamp/opengl/test/junit/jogl/demos/es2/newt/TestGearsES2NEWT.java @@ -48,6 +48,7 @@ import com.jogamp.opengl.test.junit.util.MiscUtils; import com.jogamp.opengl.test.junit.util.UITestCase; import com.jogamp.opengl.util.Animator; import com.jogamp.opengl.util.AnimatorBase; +import com.jogamp.opengl.test.junit.jogl.demos.GLClearOnInitReshape; import com.jogamp.opengl.test.junit.jogl.demos.es2.GearsES2; import com.jogamp.opengl.test.junit.jogl.demos.es2.LineSquareXDemoES2; import com.jogamp.nativewindow.NativeWindowFactory; @@ -152,6 +153,8 @@ public class TestGearsES2NEWT extends UITestCase { gearsES2.setUseMappedBuffers(useMappedBuffers); gearsES2.setValidateBuffers(true); demo = gearsES2; + } else if( 0 == demoType ) { + demo = new GLClearOnInitReshape(); } else { demo = null; } |