diff options
Diffstat (limited to 'src/jogl/classes/javax/media/opengl/GLProfile.java')
-rw-r--r-- | src/jogl/classes/javax/media/opengl/GLProfile.java | 108 |
1 files changed, 77 insertions, 31 deletions
diff --git a/src/jogl/classes/javax/media/opengl/GLProfile.java b/src/jogl/classes/javax/media/opengl/GLProfile.java index 287e7a5a9..be5968409 100644 --- a/src/jogl/classes/javax/media/opengl/GLProfile.java +++ b/src/jogl/classes/javax/media/opengl/GLProfile.java @@ -37,7 +37,9 @@ package javax.media.opengl; +import com.jogamp.common.jvm.JVMUtil; import com.jogamp.common.util.ReflectionUtil; +import com.jogamp.opengl.util.VersionInfo; import com.jogamp.opengl.impl.Debug; import com.jogamp.opengl.impl.GLDrawableFactoryImpl; import com.jogamp.opengl.impl.GLDynamicLookupHelper; @@ -281,6 +283,7 @@ public class GLProfile { * @see #GL_PROFILE_LIST_ALL */ public static final GLProfile getDefault() { + validateInitialization(); if(null==defaultGLProfile) { throw new GLException("No default profile available"); // should never be reached } @@ -349,6 +352,7 @@ public class GLProfile { public static final GLProfile get(String profile) throws GLException { + validateInitialization(); if(null==profile || profile.equals("GL")) return getDefault(); GLProfile glProfile = (GLProfile) mappedProfiles.get(profile); if(null==glProfile) { @@ -366,6 +370,7 @@ public class GLProfile { public static final GLProfile get(String[] profiles) throws GLException { + validateInitialization(); for(int i=0; i<profiles.length; i++) { String profile = profiles[i]; GLProfile glProfile = (GLProfile) mappedProfiles.get(profile); @@ -851,9 +856,9 @@ public class GLProfile { * Tries the profiles implementation and native libraries. * Throws an GLException if no profile could be found at all. */ - private static void initProfiles() { + private static void initProfiles(boolean firstUIActionOnProcess) { - NativeWindowFactory.initSingleton(); + NativeWindowFactory.initSingleton(firstUIActionOnProcess); ClassLoader classloader = GLProfile.class.getClassLoader(); @@ -898,13 +903,15 @@ public class GLProfile { t=le; } catch (RuntimeException re) { t=re; + } catch (Throwable tt) { + t=tt; } if(DEBUG) { if(null!=t) { t.printStackTrace(); } if(!hasNativeOSFactory) { - System.err.println("GLProfile.static - Native platform GLDrawable factory not available"); + System.err.println("Info: GLProfile.init - Native platform GLDrawable factory not available"); } } @@ -969,41 +976,80 @@ public class GLProfile { mappedProfiles = computeProfileMap(); if (DEBUG) { - System.err.println("GLProfile.static isAWTAvailable "+isAWTAvailable); - System.err.println("GLProfile.static hasNativeOSFactory "+hasNativeOSFactory); - System.err.println("GLProfile.static hasDesktopGL "+hasDesktopGL); - System.err.println("GLProfile.static hasDesktopGLES12 "+hasDesktopGLES12); - System.err.println("GLProfile.static hasGL234Impl "+hasGL234Impl); - System.err.println("GLProfile.static "+glAvailabilityToString()); + System.err.println(VersionInfo.getPackageInfo(null, "GLProfile.init", "javax.media.opengl", "GL")); + System.err.println(VersionInfo.getPlatformInfo(null, "GLProfile.init")); + System.err.println("GLProfile.init firstUIActionOnProcess "+firstUIActionOnProcess); + System.err.println("GLProfile.init isAWTAvailable "+isAWTAvailable); + System.err.println("GLProfile.init hasNativeOSFactory "+hasNativeOSFactory); + System.err.println("GLProfile.init hasDesktopGL "+hasDesktopGL); + System.err.println("GLProfile.init hasDesktopGLES12 "+hasDesktopGLES12); + System.err.println("GLProfile.init hasGL234Impl "+hasGL234Impl); + System.err.println("GLProfile.init "+glAvailabilityToString()); } + } + static { + JVMUtil.initSingleton(); } + static boolean initialized = false; + /** - * Initializes available profiles eagerly. + * Static one time initialization of JOGL. + * <p> + * Applications shall call this methods <b>ASAP</b>, before any other UI invocation.<br> + * You may issue the call in your main function.<br> + * In case applications are able to initialize JOGL before any other UI action,<br> + * they shall invoke this method with <code>firstUIActionOnProcess=true</code> and benefit from fast native multithreading support on all platforms if possible.</P> + * <P> + * RCP Application (Applet's, Webstart, Netbeans, ..) using JOGL may not be able to initialize JOGL + * before the first UI action.<br> + * In such case you shall invoke this method with <code>firstUIActionOnProcess=false</code>.<br> + * On some platforms, notably X11 with AWT usage, JOGL will utilize special locking mechanisms which may slow down your + * application.</P> + * <P> + * Remark: NEWT is currently not affected by this behavior, ie always uses native multithreading.</P> + * <P> + * However, in case this method is not invoked, hence GLProfile is not initialized explicitly by the user,<br> + * the first call to {@link #getDefault()}, {@link #get(java.lang.String)}, etc, will initialize with <code>firstUIActionOnProcess=false</code>,<br> + * hence without the possibility to enable native multithreading.<br> + * This is not the recommended way, since it may has a performance impact, but it allows you to run code without explicit initialization.</P> + * <P> + * In case no explicit initialization was invoked and the implicit initialization didn't happen,<br> + * you may encounter the following exception: + * <pre> + * javax.media.opengl.GLException: No default profile available + * </pre></P> + * + * @param firstUIActionOnProcess Should be <code>true</code> if called before the first UI action of the running program, + * otherwise <code>false</code>. */ - static { - // run the whole static initialization privileged to speed up, - // since this skips checking further access - AccessController.doPrivileged(new PrivilegedAction() { - public Object run() { - initProfiles(); - return null; - } - }); + public static synchronized void initSingleton(final boolean firstUIActionOnProcess) { + if(!initialized) { + initialized = true; + // run the whole static initialization privileged to speed up, + // since this skips checking further access + AccessController.doPrivileged(new PrivilegedAction() { + public Object run() { + initProfiles(firstUIActionOnProcess); + return null; + } + }); - if(null==defaultGLProfile) { - throw new GLException("No profile available: "+array2String(GL_PROFILE_LIST_ALL)+", "+glAvailabilityToString()); + if(null==defaultGLProfile) { + throw new GLException("No profile available: "+array2String(GL_PROFILE_LIST_ALL)+", "+glAvailabilityToString()); + } } } - /** - * It is mandatory to call this methods ASAP, before anything else.<br> - * You may issue the call in your main class static initializer block, or in the static main function.<br> - * This will kick off JOGL's static initialization.<br> - * It is essential to do this at the very beginning, so JOGL has a chance to initialize multithreading support.<br> - */ - public static void initSingleton() { + private static void validateInitialization() { + if(!initialized) { + synchronized(GLProfile.class) { + if(!initialized) { + initSingleton(false); + } + } + } } private static final String array2String(String[] list) { @@ -1028,17 +1074,17 @@ public class GLProfile { GLProfile glProfile = new GLProfile(profile, profileImpl); _mappedProfiles.put(profile, glProfile); if (DEBUG) { - System.err.println("GLProfile.static map "+glProfile); + System.err.println("GLProfile.init map "+glProfile); } if(null==defaultGLProfile) { defaultGLProfile=glProfile; if (DEBUG) { - System.err.println("GLProfile.static default "+glProfile); + System.err.println("GLProfile.init default "+glProfile); } } } else { if (DEBUG) { - System.err.println("GLProfile.static map *** no mapping for "+profile); + System.err.println("GLProfile.init map *** no mapping for "+profile); } } } |