diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java')
| -rw-r--r-- | src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java b/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java index b1bc8828b..7b5e6b8f1 100644 --- a/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java +++ b/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java @@ -363,8 +363,40 @@ public class GLRendererQuirks { */ public static final int NoPBufferWithAccum = 19; + /** + * Need GL objects (VBO, ..) to be synchronized when utilized + * concurrently from multiple threads via a shared GL context, + * otherwise driver crashes the VM. + * <p> + * Usually synchronization should not be required, if the shared GL objects + * are created and immutable before concurrent usage.<br> + * However, using drivers exposing this issue always require the user to + * synchronize access of shared GL objects. + * </p> + * <p> + * Synchronization can be avoided if accessing the shared GL objects + * exclusively via a queue or {@link com.jogamp.common.util.Ringbuffer Ringbuffer}, see GLMediaPlayerImpl as an example. + * </p> + * <p> + * Appears on: + * <ul> + * <li>Platform OSX + * <ul> + * <li>detected on OSX 10.9.5 first</li> + * <li>any driver</li> + * <li>enabled for all OSX versions</li> + * </ul> + * </li> + * </ul> + * </p> + * <p> + * See Bug 1088 - https://jogamp.org/bugzilla/show_bug.cgi?id=1088 + * </p> + */ + public static final int NeedSharedObjectSync = 20; + /** Return the number of known quirks. */ - public static final int getCount() { return 20; } + public static final int getCount() { return 21; } private static final String[] _names = new String[] { "NoDoubleBufferedPBuffer", "NoDoubleBufferedBitmap", "NoSetSwapInterval", "NoOffscreenBitmap", "NoSetSwapIntervalPostRetarget", "GLSLBuggyDiscard", @@ -372,7 +404,8 @@ public class GLRendererQuirks { "NeedCurrCtx4ARBPixFmtQueries", "NeedCurrCtx4ARBCreateContext", "NoFullFBOSupport", "GLSLNonCompliant", "GL4NeedsGL3Request", "GLSharedContextBuggy", "GLES3ViaEGLES2Config", "SingletonEGLDisplayOnly", - "NoMultiSamplingBuffers", "BuggyColorRenderbuffer", "NoPBufferWithAccum" + "NoMultiSamplingBuffers", "BuggyColorRenderbuffer", "NoPBufferWithAccum", + "NeedSharedObjectSync" }; private static final IdentityHashMap<String, GLRendererQuirks> stickyDeviceQuirks = new IdentityHashMap<String, GLRendererQuirks>(); |