/* * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. * Copyright (c) 2010 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: * * - Redistribution of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution 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. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed or intended for use * in the design, construction, operation or maintenance of any nuclear * facility. * * Sun gratefully acknowledges that this software was originally authored * and developed by Kenneth Bradley Russell and Christopher John Kline. */ package jogamp.opengl; import java.lang.reflect.Method; import java.nio.ByteBuffer; import java.nio.IntBuffer; import java.security.AccessController; import java.security.PrivilegedAction; import java.util.HashMap; import java.util.Map; import com.jogamp.common.os.DynamicLookupHelper; import com.jogamp.common.os.Platform; import com.jogamp.common.util.ReflectionUtil; import com.jogamp.common.util.VersionNumber; import com.jogamp.common.util.VersionNumberString; import com.jogamp.common.util.locks.RecursiveLock; import com.jogamp.gluegen.runtime.FunctionAddressResolver; import com.jogamp.gluegen.runtime.ProcAddressTable; import com.jogamp.gluegen.runtime.opengl.GLNameResolver; import com.jogamp.gluegen.runtime.opengl.GLProcAddressResolver; import com.jogamp.opengl.GLExtensions; import com.jogamp.opengl.GLRendererQuirks; import javax.media.nativewindow.AbstractGraphicsConfiguration; import javax.media.nativewindow.AbstractGraphicsDevice; import javax.media.nativewindow.NativeSurface; import javax.media.nativewindow.NativeWindowFactory; import javax.media.opengl.GL; import javax.media.opengl.GL2ES2; import javax.media.opengl.GL2GL3; import javax.media.opengl.GL3ES3; import javax.media.opengl.GLCapabilitiesImmutable; import javax.media.opengl.GLContext; import javax.media.opengl.GLDebugListener; import javax.media.opengl.GLDebugMessage; import javax.media.opengl.GLDrawable; import javax.media.opengl.GLException; import javax.media.opengl.GLPipelineFactory; import javax.media.opengl.GLProfile; public abstract class GLContextImpl extends GLContext { /** * Context full qualified name: display_type + display_connection + major + minor + ctp. * This is the key for all cached GL ProcAddressTables, etc, to support multi display/device setups. */ private String contextFQN; private int additionalCtxCreationFlags; // Cache of the functions that are available to be called at the current // moment in time protected ExtensionAvailabilityCache extensionAvailability; // Table that holds the addresses of the native C-language entry points for // OpenGL functions. private ProcAddressTable glProcAddressTable; private String glVendor; private String glRenderer; private String glRendererLowerCase; private String glVersion; // Tracks creation and initialization of buffer objects to avoid // repeated glGet calls upon glMapBuffer operations private GLBufferSizeTracker bufferSizeTracker; // Singleton - Set by GLContextShareSet private final GLBufferStateTracker bufferStateTracker = new GLBufferStateTracker(); private final GLStateTracker glStateTracker = new GLStateTracker(); private GLDebugMessageHandler glDebugHandler = null; private final int[] boundFBOTarget = new int[] { 0, 0 }; // { draw, read } private int defaultVAO = 0; protected GLDrawableImpl drawable; protected GLDrawableImpl drawableRead; private volatile boolean pixelDataEvaluated; private int /* pixelDataInternalFormat, */ pixelDataFormat, pixelDataType; protected GL gl; protected static final Object mappedContextTypeObjectLock; protected static final HashMap mappedExtensionAvailabilityCache; protected static final HashMap mappedGLProcAddress; protected static final HashMap mappedGLXProcAddress; static { mappedContextTypeObjectLock = new Object(); mappedExtensionAvailabilityCache = new HashMap(); mappedGLProcAddress = new HashMap(); mappedGLXProcAddress = new HashMap(); } public static void shutdownImpl() { mappedExtensionAvailabilityCache.clear(); mappedGLProcAddress.clear(); mappedGLXProcAddress.clear(); } public GLContextImpl(GLDrawableImpl drawable, GLContext shareWith) { super(); if (shareWith != null) { GLContextShareSet.registerSharing(this, shareWith); } GLContextShareSet.synchronizeBufferObjectSharing(shareWith, this); this.drawable = drawable; this.drawableRead = drawable; this.glDebugHandler = new GLDebugMessageHandler(this); } private final void clearStates() { // Because we don't know how many other contexts we might be // sharing with (and it seems too complicated to implement the // GLObjectTracker's ref/unref scheme for the buffer-related // optimizations), simply clear the cache of known buffers' sizes // when we destroy contexts if (bufferSizeTracker != null) { bufferSizeTracker.clearCachedBufferSizes(); } bufferStateTracker.clearBufferObjectState(); glStateTracker.setEnabled(false); glStateTracker.clearStates(); } @Override protected void resetStates(boolean isInit) { if( !isInit ) { clearStates(); } extensionAvailability = null; glProcAddressTable = null; gl = null; contextFQN = null; additionalCtxCreationFlags = 0; glVendor = ""; glRenderer = glVendor; glRendererLowerCase = glRenderer; glVersion = glVendor; if (boundFBOTarget != null) { // boundFBOTarget[0] = 0; // draw boundFBOTarget[1] = 0; // read } pixelDataEvaluated = false; super.resetStates(isInit); } @Override public final GLDrawable setGLReadDrawable(GLDrawable read) { if(!isGLReadDrawableAvailable()) { throw new GLException("Setting read drawable feature not available"); } final boolean lockHeld = lock.isOwner(Thread.currentThread()); if(lockHeld) { release(); } else if(lock.isLockedByOtherThread()) { // still could glitch .. throw new GLException("GLContext current by other thread ("+lock.getOwner()+"), operation not allowed."); } final GLDrawable old = drawableRead; drawableRead = ( null != read ) ? (GLDrawableImpl) read : drawable; if(lockHeld) { makeCurrent(); } return old; } @Override public final GLDrawable getGLReadDrawable() { return drawableRead; } @Override public final GLDrawable setGLDrawable(GLDrawable readWrite, boolean setWriteOnly) { if( drawable == readWrite && ( setWriteOnly || drawableRead == readWrite ) ) { return drawable; // no change. } final Thread currentThread = Thread.currentThread(); if( lock.isLockedByOtherThread() ) { throw new GLException("GLContext current by other thread "+lock.getOwner().getName()+", operation not allowed on this thread "+currentThread.getName()); } final boolean lockHeld = lock.isOwner(currentThread); if( lockHeld && lock.getHoldCount() > 1 ) { // would need to makeCurrent * holdCount throw new GLException("GLContext is recursively locked - unsupported for setGLDrawable(..)"); } final GLDrawableImpl old = drawable; if( isCreated() && null != old && old.isRealized() ) { if(!lockHeld) { makeCurrent(); } associateDrawable(false); if(!lockHeld) { release(); } } if(lockHeld) { release(); } if( !setWriteOnly || drawableRead == drawable ) { // if !setWriteOnly || !explicitReadDrawable drawableRead = (GLDrawableImpl) readWrite; } drawableRetargeted |= null != drawable && readWrite != drawable; drawable = (GLDrawableImpl) readWrite ; if( isCreated() && null != drawable && drawable.isRealized() ) { makeCurrent(true); // implicit: associateDrawable(true) if( !lockHeld ) { release(); } } return old; } @Override public final GLDrawable getGLDrawable() { return drawable; } public final GLDrawableImpl getDrawableImpl() { return (GLDrawableImpl) getGLDrawable(); } @Override public final GL getRootGL() { GL _gl = gl; GL _parent = _gl.getDownstreamGL(); while ( null != _parent ) { _gl = _parent; _parent = _gl.getDownstreamGL(); } return _gl; } @Override public final GL getGL() { return gl; } @Override public GL setGL(GL gl) { if( DEBUG ) { final String sgl1 = (null!=this.gl)?this.gl.getClass().getSimpleName()+", "+this.gl.toString():""; final String sgl2 = (null!=gl)?gl.getClass().getSimpleName()+", "+gl.toString():""; System.err.println("Info: setGL (OpenGL "+getGLVersion()+"): "+getThreadName()+", "+sgl1+" -> "+sgl2); Thread.dumpStack(); } this.gl = gl; return gl; } @Override public final int getDefaultVAO() { return defaultVAO; } /** * Call this method to notify the OpenGL context * that the drawable has changed (size or position). * *

* This is currently being used and overridden by Mac OSX, * which issues the {@link jogamp.opengl.macosx.cgl.CGL#updateContext(long) NSOpenGLContext update()} call. *

* * @throws GLException */ protected void drawableUpdatedNotify() throws GLException { } public abstract Object getPlatformGLExtensions(); // Note: the surface is locked within [makeCurrent .. swap .. release] @Override public void release() throws GLException { release(false); } private void release(boolean inDestruction) throws GLException { if( TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[release.0]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+", inDestruction: "+inDestruction+", "+lock); } if ( !lock.isOwner(Thread.currentThread()) ) { final String msg = getThreadName() +": Context not current on thread, obj " + toHexString(hashCode())+", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+", inDestruction: "+inDestruction+", "+lock; if( DEBUG_TRACE_SWITCH ) { System.err.println(msg); if( null != lastCtxReleaseStack ) { System.err.print("Last release call: "); lastCtxReleaseStack.printStackTrace(); } else { System.err.println("Last release call: NONE"); } } throw new GLException(msg); } Throwable drawableContextMadeCurrentException = null; final boolean actualRelease = ( inDestruction || lock.getHoldCount() == 1 ) && 0 != contextHandle; try { if( actualRelease ) { if( !inDestruction ) { try { contextMadeCurrent(false); } catch (Throwable t) { drawableContextMadeCurrentException = t; } } releaseImpl(); } } finally { // exception prone .. if( actualRelease ) { setCurrent(null); } drawable.unlockSurface(); lock.unlock(); if( DEBUG_TRACE_SWITCH ) { final String msg = getThreadName() +": GLContext.ContextSwitch[release.X]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+" - "+(actualRelease?"switch":"keep ")+" - "+lock; lastCtxReleaseStack = new Throwable(msg); if( TRACE_SWITCH ) { System.err.println(msg); // Thread.dumpStack(); } } } if(null != drawableContextMadeCurrentException) { throw new GLException("GLContext.release(false) during GLDrawableImpl.contextMadeCurrent(this, false)", drawableContextMadeCurrentException); } } private Throwable lastCtxReleaseStack = null; protected abstract void releaseImpl() throws GLException; @Override public final void destroy() { if ( DEBUG_TRACE_SWITCH ) { final long drawH = null != drawable ? drawable.getHandle() : 0; System.err.println(getThreadName() + ": GLContextImpl.destroy.0: obj " + toHexString(hashCode()) + ", ctx " + toHexString(contextHandle) + ", surf "+toHexString(drawH)+", isShared "+GLContextShareSet.isShared(this)+" - "+lock); } if ( 0 != contextHandle ) { // isCreated() ? if ( null == drawable ) { throw new GLException("GLContext created but drawable is null: "+toString()); } final int lockRes = drawable.lockSurface(); if ( NativeSurface.LOCK_SURFACE_NOT_READY >= lockRes ) { // this would be odd .. throw new GLException("Surface not ready to lock: "+drawable); } Throwable associateDrawableException = null; try { if ( !drawable.isRealized() ) { throw new GLException("GLContext created but drawable not realized: "+toString()); } // Must hold the lock around the destroy operation to make sure we // don't destroy the context while another thread renders to it. lock.lock(); // holdCount++ -> 1 - n (1: not locked, 2-n: destroy while rendering) if ( lock.getHoldCount() > 2 ) { final String msg = getThreadName() + ": GLContextImpl.destroy: obj " + toHexString(hashCode()) + ", ctx " + toHexString(contextHandle); if ( DEBUG_TRACE_SWITCH ) { System.err.println(msg+" - Lock was hold more than once - makeCurrent/release imbalance: "+lock); Thread.dumpStack(); } } try { // if not current, makeCurrent(), to call associateDrawable(..) and to disable debug handler if ( lock.getHoldCount() == 1 ) { if ( GLContext.CONTEXT_NOT_CURRENT == makeCurrent() ) { throw new GLException("GLContext.makeCurrent() failed: "+toString()); } } try { associateDrawable(false); } catch (Throwable t) { associateDrawableException = t; } if ( 0 != defaultVAO ) { final int[] tmp = new int[] { defaultVAO }; final GL3ES3 gl3es3 = gl.getRootGL().getGL3ES3(); gl3es3.glBindVertexArray(0); gl3es3.glDeleteVertexArrays(1, tmp, 0); defaultVAO = 0; } glDebugHandler.enable(false); if(lock.getHoldCount() > 1) { // pending release() after makeCurrent() release(true); } destroyImpl(); contextHandle = 0; glDebugHandler = null; // this maybe impl. in a platform specific way to release remaining shared ctx. if( GLContextShareSet.contextDestroyed(this) && !GLContextShareSet.hasCreatedSharedLeft(this) ) { GLContextShareSet.unregisterSharing(this); } resetStates(false); } finally { lock.unlock(); if ( DEBUG_TRACE_SWITCH ) { System.err.println(getThreadName() + ": GLContextImpl.destroy.X: obj " + toHexString(hashCode()) + ", ctx " + toHexString(contextHandle) + ", isShared "+GLContextShareSet.isShared(this)+" - "+lock); } } } finally { drawable.unlockSurface(); } if( null != associateDrawableException ) { throw new GLException("Exception @ destroy's associateDrawable(false)", associateDrawableException); } } else { resetStates(false); } } protected abstract void destroyImpl() throws GLException; @Override public final void copy(GLContext source, int mask) throws GLException { if (source.getHandle() == 0) { throw new GLException("Source OpenGL context has not been created"); } if (getHandle() == 0) { throw new GLException("Destination OpenGL context has not been created"); } final int lockRes = drawable.lockSurface(); if (NativeSurface.LOCK_SURFACE_NOT_READY >= lockRes) { // this would be odd .. throw new GLException("Surface not ready to lock"); } try { copyImpl(source, mask); } finally { drawable.unlockSurface(); } } protected abstract void copyImpl(GLContext source, int mask) throws GLException; //---------------------------------------------------------------------- // /** * {@inheritDoc} *

* MakeCurrent functionality, which also issues the creation of the actual OpenGL context. *

* The complete callgraph for general OpenGL context creation is:
*
    *
  • {@link #makeCurrent} GLContextImpl
  • *
  • {@link #makeCurrentImpl} Platform Implementation
  • *
  • {@link #create} Platform Implementation
  • *
  • If ARB_create_context is supported: *
      *
    • {@link #createContextARB} GLContextImpl
    • *
    • {@link #createContextARBImpl} Platform Implementation
    • *
  • *

* * Once at startup, ie triggered by the singleton constructor of a {@link GLDrawableFactoryImpl} specialization, * calling {@link #createContextARB} will query all available OpenGL versions:
*
    *
  • FOR ALL GL* DO: *
      *
    • {@link #createContextARBMapVersionsAvailable} *
        *
      • {@link #createContextARBVersions}
      • *
    • *
    • {@link #mapVersionAvailable}
    • *
  • *

* * @see #makeCurrentImpl * @see #create * @see #createContextARB * @see #createContextARBImpl * @see #mapVersionAvailable * @see #destroyContextARBImpl */ @Override public final int makeCurrent() throws GLException { return makeCurrent(false); } protected final int makeCurrent(boolean forceDrawableAssociation) throws GLException { if( TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[makeCurrent.0]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+" - "+lock); } // Note: the surface is locked within [makeCurrent .. swap .. release] final int lockRes = drawable.lockSurface(); if (NativeSurface.LOCK_SURFACE_NOT_READY >= lockRes) { if( DEBUG_TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[makeCurrent.X1]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+" - Surface Not Ready - CONTEXT_NOT_CURRENT - "+lock); } return CONTEXT_NOT_CURRENT; } boolean unlockResources = true; // Must be cleared if successful, otherwise finally block will release context and/or surface! int res = CONTEXT_NOT_CURRENT; try { if ( drawable.isRealized() ) { if ( 0 == drawable.getHandle() ) { throw new GLException("drawable has invalid handle: "+drawable); } lock.lock(); try { // One context can only be current by one thread, // and one thread can only have one context current! final GLContext current = getCurrent(); if (current != null) { if (current == this) { // implicit recursive locking! // Assume we don't need to make this context current again // For Mac OS X, however, we need to update the context to track resizes drawableUpdatedNotify(); unlockResources = false; // success if( TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[makeCurrent.X2]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+" - keep - CONTEXT_CURRENT - "+lock); } return CONTEXT_CURRENT; } else { current.release(); } } res = makeCurrentWithinLock(lockRes); unlockResources = CONTEXT_NOT_CURRENT == res; // success ? /** * FIXME: refactor dependence on Java 2D / JOGL bridge if ( tracker != null && res == CONTEXT_CURRENT_NEW ) { // Increase reference count of GLObjectTracker tracker.ref(); } */ } catch (RuntimeException e) { unlockResources = true; throw e; } finally { if (unlockResources) { if( DEBUG_TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[makeCurrent.1]: Context lock.unlock() due to error, res "+makeCurrentResultToString(res)+", "+lock); } lock.unlock(); } } } /* if ( drawable.isRealized() ) */ } catch (RuntimeException e) { unlockResources = true; throw e; } finally { if (unlockResources) { drawable.unlockSurface(); } } if (res != CONTEXT_NOT_CURRENT) { setCurrent(this); if(res == CONTEXT_CURRENT_NEW) { // check if the drawable's and the GL's GLProfile are equal // throws an GLException if not getGLDrawable().getGLProfile().verifyEquality(gl.getGLProfile()); glDebugHandler.init( isGL2GL3() && isGLDebugEnabled() ); if(DEBUG_GL) { setGL( GLPipelineFactory.create("javax.media.opengl.Debug", null, gl, null) ); if(glDebugHandler.isEnabled()) { glDebugHandler.addListener(new GLDebugMessageHandler.StdErrGLDebugListener(true)); } } if(TRACE_GL) { setGL( GLPipelineFactory.create("javax.media.opengl.Trace", null, gl, new Object[] { System.err } ) ); } forceDrawableAssociation = true; } if( forceDrawableAssociation ) { associateDrawable(true); } contextMadeCurrent(true); /* FIXME: refactor dependence on Java 2D / JOGL bridge // Try cleaning up any stale server-side OpenGL objects // FIXME: not sure what to do here if this throws if (deletedObjectTracker != null) { deletedObjectTracker.clean(getGL()); } */ } if( TRACE_SWITCH ) { System.err.println(getThreadName() +": GLContext.ContextSwitch[makeCurrent.X3]: obj " + toHexString(hashCode()) + ", ctx "+toHexString(contextHandle)+", surf "+toHexString(drawable.getHandle())+" - switch - "+makeCurrentResultToString(res)+" - stateTracker.on "+glStateTracker.isEnabled()+" - "+lock); } return res; } private final int makeCurrentWithinLock(int surfaceLockRes) throws GLException { if (!isCreated()) { if( 0 >= drawable.getWidth() || 0 >= drawable.getHeight() ) { if ( DEBUG_TRACE_SWITCH ) { System.err.println(getThreadName() + ": Create GL context REJECTED (zero surface size) obj " + toHexString(hashCode()) + ", surf "+toHexString(drawable.getHandle())+" for " + getClass().getName()); System.err.println(drawable.toString()); } return CONTEXT_NOT_CURRENT; } if(DEBUG_GL) { // only impacts w/ createContextARB(..) additionalCtxCreationFlags |= GLContext.CTX_OPTION_DEBUG ; } final GLContextImpl shareWith = (GLContextImpl) GLContextShareSet.getCreatedShare(this); if (null != shareWith) { shareWith.getDrawableImpl().lockSurface(); // FIXME: // Contemplate whether we shall 'fail' creating this context // if 0==shareWith.getHandle(), since at this point // both context are locked and current values are available. } final boolean created; try { created = createImpl(shareWith); // may throws exception if fails! if( created && hasNoDefaultVAO() ) { final int[] tmp = new int[1]; final GL3ES3 gl3es3 = gl.getRootGL().getGL3ES3(); gl3es3.glGenVertexArrays(1, tmp, 0); defaultVAO = tmp[0]; gl3es3.glBindVertexArray(defaultVAO); } } finally { if (null != shareWith) { shareWith.getDrawableImpl().unlockSurface(); } } if ( DEBUG_TRACE_SWITCH ) { if(created) { System.err.println(getThreadName() + ": Create GL context OK: obj " + toHexString(hashCode()) + ", ctx " + toHexString(contextHandle) + ", surf "+toHexString(drawable.getHandle())+" for " + getClass().getName()+" - "+getGLVersion()); // Thread.dumpStack(); } else { System.err.println(getThreadName() + ": Create GL context FAILED obj " + toHexString(hashCode()) + ", surf "+toHexString(drawable.getHandle())+" for " + getClass().getName()); } } if(!created) { return CONTEXT_NOT_CURRENT; } // finalize mapping the available GLVersions, in case it's not done yet { final AbstractGraphicsConfiguration config = drawable.getNativeSurface().getGraphicsConfiguration(); final AbstractGraphicsDevice device = config.getScreen().getDevice(); // Non ARB desktop profiles may not have been registered if( !GLContext.getAvailableGLVersionsSet(device) ) { // not yet set if( 0 == ( ctxOptions & GLContext.CTX_PROFILE_ES) ) { // not ES profile final int reqMajor; final int reqProfile; if( ctxVersion.compareTo(Version300) <= 0 ) { reqMajor = 2; } else { reqMajor = ctxVersion.getMajor(); } if( 0 != ( ctxOptions & GLContext.CTX_PROFILE_CORE) ) { reqProfile = GLContext.CTX_PROFILE_CORE; } else { reqProfile = GLContext.CTX_PROFILE_COMPAT; } GLContext.mapAvailableGLVersion(device, reqMajor, reqProfile, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); GLContext.setAvailableGLVersionsSet(device); if (DEBUG) { System.err.println(getThreadName() + ": createContextOLD-MapVersionsAvailable HAVE: " + device+" -> "+reqMajor+"."+reqProfile+ " -> "+getGLVersion()); } } } } GLContextShareSet.contextCreated(this); return CONTEXT_CURRENT_NEW; } makeCurrentImpl(); return CONTEXT_CURRENT; } protected abstract void makeCurrentImpl() throws GLException; /** * Calls {@link GLDrawableImpl#associateContext(GLContext, boolean)} */ protected void associateDrawable(boolean bound) { drawable.associateContext(this, bound); } /** * Calls {@link GLDrawableImpl#contextMadeCurrent(GLContext, boolean)} */ protected void contextMadeCurrent(boolean current) { drawable.contextMadeCurrent(this, current); } /** * Platform dependent entry point for context creation.
* * This method is called from {@link #makeCurrentWithinLock()} .. {@link #makeCurrent()} .
* * The implementation shall verify this context with a * MakeContextCurrent call.
* * The implementation must leave the context current.
* * @param share the shared context or null * @return the valid and current context if successful, or null * @throws GLException */ protected abstract boolean createImpl(GLContextImpl sharedWith) throws GLException ; /** * Platform dependent but harmonized implementation of the ARB_create_context * mechanism to create a context.
* * This method is called from {@link #createContextARB}, {@link #createImpl(GLContextImpl)} .. {@link #makeCurrent()} .
* * The implementation shall verify this context with a * MakeContextCurrent call.
* * The implementation must leave the context current.
* * @param share the shared context or null * @param direct flag if direct is requested * @param ctxOptionFlags ARB_create_context related, see references below * @param major major number * @param minor minor number * @return the valid and current context if successful, or null * * @see #makeCurrent * @see #CTX_PROFILE_COMPAT * @see #CTX_OPTION_FORWARD * @see #CTX_OPTION_DEBUG * @see #makeCurrentImpl * @see #create * @see #createContextARB * @see #createContextARBImpl * @see #destroyContextARBImpl */ protected abstract long createContextARBImpl(long share, boolean direct, int ctxOptionFlags, int major, int minor); /** * Destroy the context created by {@link #createContextARBImpl}. * * @see #makeCurrent * @see #makeCurrentImpl * @see #create * @see #createContextARB * @see #createContextARBImpl * @see #destroyContextARBImpl */ protected abstract void destroyContextARBImpl(long context); /** * Platform independent part of using the ARB_create_context * mechanism to create a context.
* * The implementation of {@link #create} shall use this protocol in case the platform supports ARB_create_context.
* * This method may call {@link #createContextARBImpl} and {@link #destroyContextARBImpl}.
* * This method will also query all available native OpenGL context when first called,
* usually the first call should happen with the shared GLContext of the DrawableFactory.
* * The implementation makes the context current, if successful
* * @see #makeCurrentImpl * @see #create * @see #createContextARB * @see #createContextARBImpl * @see #destroyContextARBImpl */ protected final long createContextARB(final long share, final boolean direct) { final AbstractGraphicsConfiguration config = drawable.getNativeSurface().getGraphicsConfiguration(); final AbstractGraphicsDevice device = config.getScreen().getDevice(); if (DEBUG) { System.err.println(getThreadName() + ": createContextARB: mappedVersionsAvailableSet("+device.getConnection()+"): "+ GLContext.getAvailableGLVersionsSet(device)); } if ( !GLContext.getAvailableGLVersionsSet(device) ) { if(!mapGLVersions(device)) { // none of the ARB context creation calls was successful, bail out return 0; } } final GLCapabilitiesImmutable glCaps = (GLCapabilitiesImmutable) config.getChosenCapabilities(); final int[] reqMajorCTP = new int[] { 0, 0 }; GLContext.getRequestMajorAndCompat(glCaps.getGLProfile(), reqMajorCTP); if(DEBUG) { System.err.println(getThreadName() + ": createContextARB: Requested "+GLContext.getGLVersion(reqMajorCTP[0], 0, reqMajorCTP[0], null)); } int _major[] = { 0 }; int _minor[] = { 0 }; int _ctp[] = { 0 }; long _ctx = 0; if( GLContext.getAvailableGLVersion(device, reqMajorCTP[0], reqMajorCTP[1], _major, _minor, _ctp)) { _ctp[0] |= additionalCtxCreationFlags; if(DEBUG) { System.err.println(getThreadName() + ": createContextARB: Mapped "+GLContext.getGLVersion(_major[0], _minor[0], _ctp[0], null)); } _ctx = createContextARBImpl(share, direct, _ctp[0], _major[0], _minor[0]); if(0!=_ctx) { if( !setGLFunctionAvailability(true, _major[0], _minor[0], _ctp[0], false /* strictMatch */, false /* withinGLVersionsMapping */) ) { throw new InternalError("setGLFunctionAvailability !strictMatch failed"); } } } return _ctx; } private final boolean mapGLVersions(AbstractGraphicsDevice device) { synchronized (GLContext.deviceVersionAvailable) { final long t0 = ( DEBUG ) ? System.nanoTime() : 0; boolean success = false; // Following GLProfile.GL_PROFILE_LIST_ALL order of profile detection { GL4bc, GL3bc, GL2, GL4, GL3, GL2GL3, GLES2, GL2ES2, GLES1, GL2ES1 } boolean hasGL4bc = false; boolean hasGL3bc = false; boolean hasGL2 = false; boolean hasGL4 = false; boolean hasGL3 = false; // Even w/ PROFILE_ALIASING, try to use true core GL profiles // ensuring proper user behavior across platforms due to different feature sets! // if( Platform.OSType.MACOS == Platform.getOSType() && Platform.getOSVersionNumber().compareTo(Platform.OSXVersion.Mavericks) >= 0 ) { /** * OSX 10.9 GLRendererQuirks.GL4NeedsGL3Request, quirk is added as usual @ setRendererQuirks(..) */ if( !hasGL4 && !hasGL3 ) { hasGL3 = createContextARBMapVersionsAvailable(3, CTX_PROFILE_CORE); // GL3 success |= hasGL3; if( hasGL3 ) { final boolean isHWAccel = 0 == ( CTX_IMPL_ACCEL_SOFT & ctxOptions ); if( isHWAccel && ctxVersion.getMajor() >= 4 ) { // Gotcha: Creating a '3.2' ctx delivers a >= 4 ctx. GLContext.mapAvailableGLVersion(device, 4, CTX_PROFILE_CORE, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); hasGL4 = true; if(DEBUG) { System.err.println("Quirk Triggerd: "+GLRendererQuirks.toString(GLRendererQuirks.GL4NeedsGL3Request)+": cause: OS "+Platform.getOSType()+", OS Version "+Platform.getOSVersionNumber()); } } resetStates(false); // clean this context states, since creation was temporary } } } if( !hasGL4 ) { hasGL4 = createContextARBMapVersionsAvailable(4, CTX_PROFILE_CORE); // GL4 success |= hasGL4; if( hasGL4 ) { if( 0 == ( CTX_IMPL_ACCEL_SOFT & ctxOptions ) ) { // Map hw-accel GL4 to all lower core profiles: GL3 GLContext.mapAvailableGLVersion(device, 3, CTX_PROFILE_CORE, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); if( PROFILE_ALIASING ) { hasGL3 = true; } } resetStates(false); // clean context states, since creation was temporary } } if( !hasGL3 ) { hasGL3 = createContextARBMapVersionsAvailable(3, CTX_PROFILE_CORE); // GL3 success |= hasGL3; if( hasGL3 ) { resetStates(false); // clean this context states, since creation was temporary } } if( !hasGL4bc ) { hasGL4bc = createContextARBMapVersionsAvailable(4, CTX_PROFILE_COMPAT); // GL4bc success |= hasGL4bc; if( hasGL4bc ) { if( !hasGL4 ) { // last chance .. ignore hw-accel GLContext.mapAvailableGLVersion(device, 4, CTX_PROFILE_CORE, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); hasGL4 = true; } if( !hasGL3 ) { // last chance .. ignore hw-accel GLContext.mapAvailableGLVersion(device, 3, CTX_PROFILE_CORE, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); hasGL3 = true; } if( 0 == ( CTX_IMPL_ACCEL_SOFT & ctxOptions ) ) { // Map hw-accel GL4bc to all lower compatible profiles: GL3bc, GL2 GLContext.mapAvailableGLVersion(device, 3, CTX_PROFILE_COMPAT, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); GLContext.mapAvailableGLVersion(device, 2, CTX_PROFILE_COMPAT, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); if(PROFILE_ALIASING) { hasGL3bc = true; hasGL2 = true; } } resetStates(false); // clean this context states, since creation was temporary } } if( !hasGL3bc ) { hasGL3bc = createContextARBMapVersionsAvailable(3, CTX_PROFILE_COMPAT); // GL3bc success |= hasGL3bc; if( hasGL3bc ) { if(!hasGL3) { // last chance .. ignore hw-accel GLContext.mapAvailableGLVersion(device, 3, CTX_PROFILE_CORE, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); hasGL3 = true; } if( 0 == ( CTX_IMPL_ACCEL_SOFT & ctxOptions ) ) { // Map hw-accel GL3bc to all lower compatible profiles: GL2 GLContext.mapAvailableGLVersion(device, 2, CTX_PROFILE_COMPAT, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); if(PROFILE_ALIASING) { hasGL2 = true; } } resetStates(false); // clean this context states, since creation was temporary } } if( !hasGL2 ) { hasGL2 = createContextARBMapVersionsAvailable(2, CTX_PROFILE_COMPAT); // GL2 success |= hasGL2; if( hasGL2 ) { resetStates(false); // clean this context states, since creation was temporary } } if(success) { // only claim GL versions set [and hence detected] if ARB context creation was successful GLContext.setAvailableGLVersionsSet(device); if(DEBUG) { final long t1 = System.nanoTime(); System.err.println("GLContextImpl.mapGLVersions: "+device+", profileAliasing: "+PROFILE_ALIASING+", total "+(t1-t0)/1e6 +"ms"); System.err.println(GLContext.dumpAvailableGLVersions(null).toString()); } } else if (DEBUG) { System.err.println(getThreadName() + ": createContextARB-MapVersions NONE for :"+device); } return success; } } /** * Note: Since context creation is temporary, caller need to issue {@link #resetStates(boolean)}, if creation was successful, i.e. returns true. * This method does not reset the states, allowing the caller to utilize the state variables. **/ private final boolean createContextARBMapVersionsAvailable(int reqMajor, int reqProfile) { long _context; int ctp = CTX_IS_ARB_CREATED | reqProfile; // To ensure GL profile compatibility within the JOGL application // we always try to map against the highest GL version, // so the user can always cast to the highest available one. int majorMax, minorMax; int majorMin, minorMin; int major[] = new int[1]; int minor[] = new int[1]; if( 4 == reqMajor ) { majorMax=4; minorMax=GLContext.getMaxMinor(ctp, majorMax); majorMin=4; minorMin=0; } else if( 3 == reqMajor ) { majorMax=3; minorMax=GLContext.getMaxMinor(ctp, majorMax); majorMin=3; minorMin=1; } else /* if( glp.isGL2() ) */ { // our minimum desktop OpenGL runtime requirements are 1.1, // nevertheless we restrict ARB context creation to 2.0 to spare us futile attempts majorMax=3; minorMax=0; majorMin=2; minorMin=0; } _context = createContextARBVersions(0, true, ctp, /* max */ majorMax, minorMax, /* min */ majorMin, minorMin, /* res */ major, minor); if( 0 == _context && CTX_PROFILE_CORE == reqProfile && !PROFILE_ALIASING ) { // try w/ FORWARD instead of CORE ctp &= ~CTX_PROFILE_CORE ; ctp |= CTX_OPTION_FORWARD ; _context = createContextARBVersions(0, true, ctp, /* max */ majorMax, minorMax, /* min */ majorMin, minorMin, /* res */ major, minor); if( 0 == _context ) { // Try a compatible one .. even though not requested .. last resort ctp &= ~CTX_PROFILE_CORE ; ctp &= ~CTX_OPTION_FORWARD ; ctp |= CTX_PROFILE_COMPAT ; _context = createContextARBVersions(0, true, ctp, /* max */ majorMax, minorMax, /* min */ majorMin, minorMin, /* res */ major, minor); } } final boolean res; if( 0 != _context ) { AbstractGraphicsDevice device = drawable.getNativeSurface().getGraphicsConfiguration().getScreen().getDevice(); // ctxMajorVersion, ctxMinorVersion, ctxOptions is being set by // createContextARBVersions(..) -> setGLFunctionAvailbility(..) -> setContextVersion(..) GLContext.mapAvailableGLVersion(device, reqMajor, reqProfile, ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions); destroyContextARBImpl(_context); if (DEBUG) { System.err.println(getThreadName() + ": createContextARB-MapVersionsAvailable HAVE: " +reqMajor+"."+reqProfile+ " -> "+getGLVersion()); } res = true; } else { if (DEBUG) { System.err.println(getThreadName() + ": createContextARB-MapVersionsAvailable NOPE: "+reqMajor+"."+reqProfile); } res = false; } return res; } private final long createContextARBVersions(long share, boolean direct, int ctxOptionFlags, int majorMax, int minorMax, int majorMin, int minorMin, int major[], int minor[]) { major[0]=majorMax; minor[0]=minorMax; long _context=0; int i=0; do { if (DEBUG) { i++; System.err.println(getThreadName() + ": createContextARBVersions."+i+": share "+share+", direct "+direct+ ", version "+major[0]+"."+minor[0]+", major["+majorMin+".."+majorMax+"], minor["+minorMin+".."+minorMax+"]"); } _context = createContextARBImpl(share, direct, ctxOptionFlags, major[0], minor[0]); if(0 != _context) { if( setGLFunctionAvailability(true, major[0], minor[0], ctxOptionFlags, true /* strictMatch */, true /* withinGLVersionsMapping */) ) { break; } else { destroyContextARBImpl(_context); _context = 0; } } } while ( ( major[0]>majorMin || major[0]==majorMin && minor[0] >minorMin ) && // #1 check whether version is above lower limit GLContext.decrementGLVersion(ctxOptionFlags, major, minor) // #2 decrement version ); if (DEBUG) { System.err.println(getThreadName() + ": createContextARBVersions.X: ctx "+toHexString(_context)+", share "+share+", direct "+direct+ ", version "+major[0]+"."+minor[0]+", major["+majorMin+".."+majorMax+"], minor["+minorMin+".."+minorMax+"]"); } return _context; } //---------------------------------------------------------------------- // Managing the actual OpenGL version, usually figured at creation time. // As a last resort, the GL_VERSION string may be used .. // /** * If major > 0 || minor > 0 : Use passed values, determined at creation time * Otherwise .. don't touch .. */ private final void setContextVersion(int major, int minor, int ctp, VersionNumberString glVendorVersion, boolean useGL) { if ( 0 == ctp ) { throw new GLException("Invalid GL Version "+major+"."+minor+", ctp "+toHexString(ctp)); } ctxVersion = new VersionNumber(major, minor, 0); ctxVersionString = getGLVersion(major, minor, ctp, glVersion); ctxVendorVersion = glVendorVersion; ctxOptions = ctp; if(useGL) { ctxGLSLVersion = VersionNumber.zeroVersion; if( hasGLSL() ) { // >= ES2 || GL2.0 final String glslVersion = isGLES() ? null : gl.glGetString(GL2ES2.GL_SHADING_LANGUAGE_VERSION) ; // Use static GLSL version for ES to be safe! if( null != glslVersion ) { ctxGLSLVersion = new VersionNumber(glslVersion); if( ctxGLSLVersion.getMajor() < 1 ) { ctxGLSLVersion = VersionNumber.zeroVersion; // failed .. } } if( ctxGLSLVersion.isZero() ) { ctxGLSLVersion = getStaticGLSLVersionNumber(major, minor, ctxOptions); } } } } //---------------------------------------------------------------------- // Helpers for various context implementations // private Object createInstance(GLProfile glp, String suffix, Class[] cstrArgTypes, Object[] cstrArgs) { return ReflectionUtil.createInstance(glp.getGLImplBaseClassName()+suffix, cstrArgTypes, cstrArgs, getClass().getClassLoader()); } private boolean verifyInstance(GLProfile glp, String suffix, Object instance) { return ReflectionUtil.instanceOf(instance, glp.getGLImplBaseClassName()+suffix); } /** Create the GL for this context. */ protected GL createGL(GLProfile glp) { final GL gl = (GL) createInstance(glp, "Impl", new Class[] { GLProfile.class, GLContextImpl.class }, new Object[] { glp, this } ); /* FIXME: refactor dependence on Java 2D / JOGL bridge if (tracker != null) { gl.setObjectTracker(tracker); } */ return gl; } /** * Finalizes GL instance initialization after this context has been initialized. *

* Method calls 'void finalizeInit()' of instance 'gl' as retrieved by reflection, if exist. *

*/ private void finalizeInit(GL gl) { Method finalizeInit = null; try { finalizeInit = ReflectionUtil.getMethod(gl.getClass(), "finalizeInit", new Class[]{ }); } catch ( Throwable t ) { if(DEBUG) { System.err.println("Catched "+t.getClass().getName()+": "+t.getMessage()); t.printStackTrace(); } } if( null != finalizeInit ) { ReflectionUtil.callMethod(gl, finalizeInit, new Object[]{ }); } } public final ProcAddressTable getGLProcAddressTable() { return glProcAddressTable; } /** * Shall return the platform extension ProcAddressTable, * ie for GLXExt, EGLExt, .. */ public abstract ProcAddressTable getPlatformExtProcAddressTable(); /** * Part of GL_NV_vertex_array_range. *

* Provides platform-independent access to the wglAllocateMemoryNV / * glXAllocateMemoryNV. *

*/ public abstract ByteBuffer glAllocateMemoryNV(int size, float readFrequency, float writeFrequency, float priority); /** * Part of GL_NV_vertex_array_range. *

* Provides platform-independent access to the wglFreeMemoryNV / * glXFreeMemoryNV. *

*/ public abstract void glFreeMemoryNV(ByteBuffer pointer); /** Maps the given "platform-independent" function name to a real function name. Currently this is only used to map "glAllocateMemoryNV" and associated routines to wglAllocateMemoryNV / glXAllocateMemoryNV. */ protected final String mapToRealGLFunctionName(String glFunctionName) { Map map = getFunctionNameMap(); String lookup = ( null != map ) ? map.get(glFunctionName) : null; if (lookup != null) { return lookup; } return glFunctionName; } protected abstract Map getFunctionNameMap() ; /** Maps the given "platform-independent" extension name to a real function name. Currently this is only used to map "GL_ARB_pbuffer" to "WGL_ARB_pbuffer/GLX_SGIX_pbuffer" and "GL_ARB_pixel_format" to "WGL_ARB_pixel_format/n.a." */ protected final String mapToRealGLExtensionName(String glExtensionName) { Map map = getExtensionNameMap(); String lookup = ( null != map ) ? map.get(glExtensionName) : null; if (lookup != null) { return lookup; } return glExtensionName; } protected abstract Map getExtensionNameMap() ; /** Helper routine which resets a ProcAddressTable generated by the GLEmitter by looking up anew all of its function pointers. */ protected final void resetProcAddressTable(final ProcAddressTable table) { AccessController.doPrivileged(new PrivilegedAction() { @Override public Object run() { table.reset(getDrawableImpl().getGLDynamicLookupHelper() ); return null; } } ); } private final boolean initGLRendererAndGLVersionStrings() { final GLDynamicLookupHelper glDynLookupHelper = getDrawableImpl().getGLDynamicLookupHelper(); final long _glGetString = glDynLookupHelper.dynamicLookupFunction("glGetString"); if(0 == _glGetString) { System.err.println("Error: Entry point to 'glGetString' is NULL."); if(DEBUG) { Thread.dumpStack(); } return false; } else { final String _glVendor = glGetStringInt(GL.GL_VENDOR, _glGetString); if(null == _glVendor) { if(DEBUG) { System.err.println("Warning: GL_VENDOR is NULL."); Thread.dumpStack(); } return false; } glVendor = _glVendor; final String _glRenderer = glGetStringInt(GL.GL_RENDERER, _glGetString); if(null == _glRenderer) { if(DEBUG) { System.err.println("Warning: GL_RENDERER is NULL."); Thread.dumpStack(); } return false; } glRenderer = _glRenderer; glRendererLowerCase = glRenderer.toLowerCase(); final String _glVersion = glGetStringInt(GL.GL_VERSION, _glGetString); if(null == _glVersion) { // FIXME if(DEBUG) { System.err.println("Warning: GL_VERSION is NULL."); Thread.dumpStack(); } return false; } glVersion = _glVersion; return true; } } /** * Returns null if version string is invalid, otherwise a valid instance. *

* Note: Non ARB ctx is limited to GL 3.0. *

*/ private static final VersionNumber getGLVersionNumber(int ctp, String glVersionStr) { if( null != glVersionStr ) { final GLVersionNumber version = GLVersionNumber.create(glVersionStr); if ( version.isValid() ) { int[] major = new int[] { version.getMajor() }; int[] minor = new int[] { version.getMinor() }; if ( GLContext.isValidGLVersion(ctp, major[0], minor[0]) ) { return new VersionNumber(major[0], minor[0], 0); } } } return null; } /** * Returns false if glGetIntegerv is inaccessible, otherwise queries major.minor * version for given arrays. *

* If the GL query fails, major will be zero. *

*

* Note: Non ARB ctx is limited to GL 3.0. *

*/ private final boolean getGLIntVersion(int[] glIntMajor, int[] glIntMinor, int ctp) { glIntMajor[0] = 0; // clear final GLDynamicLookupHelper glDynLookupHelper = getDrawableImpl().getGLDynamicLookupHelper(); final long _glGetIntegerv = glDynLookupHelper.dynamicLookupFunction("glGetIntegerv"); if( 0 == _glGetIntegerv ) { System.err.println("Error: Entry point to 'glGetIntegerv' is NULL."); if(DEBUG) { Thread.dumpStack(); } return false; } else { glGetIntegervInt(GL2GL3.GL_MAJOR_VERSION, glIntMajor, 0, _glGetIntegerv); glGetIntegervInt(GL2GL3.GL_MINOR_VERSION, glIntMinor, 0, _glGetIntegerv); return true; } } protected final int getCtxOptions() { return ctxOptions; } /** * Sets the OpenGL implementation class and * the cache of which GL functions are available for calling through this * context. See {@link #isFunctionAvailable(String)} for more information on * the definition of "available". *
* All ProcaddressTables are being determined and cached, the GL version is being set * and the extension cache is determined as well. * * @param force force the setting, even if is already being set. * This might be useful if you change the OpenGL implementation. * @param major OpenGL major version * @param minor OpenGL minor version * @param ctxProfileBits OpenGL context profile and option bits, see {@link javax.media.opengl.GLContext#CTX_OPTION_ANY} * @param strictMatch if true the ctx must *
    *
  • be greater or equal than the requested major.minor version, and
  • *
  • match the ctxProfileBits
  • *
  • match ES major versions
  • *
, otherwise method aborts and returns false.
* if false no version check is performed. * @param withinGLVersionsMapping if true GL version mapping is in process, i.e. quering avail versions. * Otherwise normal user context creation. * @return returns true if successful, otherwise false.
* If strictMatch is false method shall always return true or throw an exception. * If false is returned, no data has been cached or mapped, i.e. ProcAddressTable, Extensions, Version, etc. * @see #setContextVersion * @see javax.media.opengl.GLContext#CTX_OPTION_ANY * @see javax.media.opengl.GLContext#CTX_PROFILE_COMPAT * @see javax.media.opengl.GLContext#CTX_IMPL_ES2_COMPAT */ protected final boolean setGLFunctionAvailability(boolean force, int major, int minor, int ctxProfileBits, boolean strictMatch, boolean withinGLVersionsMapping) { if(null!=this.gl && null!=glProcAddressTable && !force) { return true; // already done and not forced } if ( 0 < major && !GLContext.isValidGLVersion(ctxProfileBits, major, minor) ) { throw new GLException("Invalid GL Version Request "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)); } if(null==this.gl || !verifyInstance(gl.getGLProfile(), "Impl", this.gl)) { setGL( createGL( getGLDrawable().getGLProfile() ) ); } updateGLXProcAddressTable(); final AbstractGraphicsConfiguration aconfig = drawable.getNativeSurface().getGraphicsConfiguration(); final AbstractGraphicsDevice adevice = aconfig.getScreen().getDevice(); final int reqCtxProfileBits = ctxProfileBits; final VersionNumber reqGLVersion = new VersionNumber(major, minor, 0); { final boolean initGLRendererAndGLVersionStringsOK = initGLRendererAndGLVersionStrings(); if( !initGLRendererAndGLVersionStringsOK ) { final String errMsg = "Intialization of GL renderer strings failed. "+adevice+" - "+GLContext.getGLVersion(major, minor, ctxProfileBits, null); if( strictMatch ) { // query mode .. simply fail if(DEBUG) { System.err.println("Warning: setGLFunctionAvailability: "+errMsg); } return false; } else { // unusable GL context - non query mode - hard fail! throw new GLException(errMsg); } } else if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail: Given "+adevice+" - "+GLContext.getGLVersion(major, minor, ctxProfileBits, glVersion)); } } final boolean isES = 0 != ( CTX_PROFILE_ES & ctxProfileBits ); // // Validate GL version either by GL-Integer or GL-String // if (DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail: Pre version verification - expected "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)+", strictMatch "+strictMatch+", glVersionsMapping " +withinGLVersionsMapping); } boolean versionValidated = false; boolean versionGL3IntFailed = false; { // Validate the requested version w/ the GL-version from an integer query. final VersionNumber hasGLVersionByInt; { final int[] glIntMajor = new int[] { 0 }, glIntMinor = new int[] { 0 }; final boolean getGLIntVersionOK = getGLIntVersion(glIntMajor, glIntMinor, ctxProfileBits); if( !getGLIntVersionOK ) { final String errMsg = "Fetching GL Integer Version failed. "+adevice+" - "+GLContext.getGLVersion(major, minor, ctxProfileBits, null); if( strictMatch ) { // query mode .. simply fail if(DEBUG) { System.err.println("Warning: setGLFunctionAvailability: "+errMsg); } return false; } else { // unusable GL context - non query mode - hard fail! throw new GLException(errMsg); } } hasGLVersionByInt = new VersionNumber(glIntMajor[0], glIntMinor[0], 0); } if (DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail: Version verification (Int): "+glVersion+", "+hasGLVersionByInt); } // Only validate if a valid int version was fetched, otherwise cont. w/ version-string method -> 3.0 > Version || Version > MAX! if ( GLContext.isValidGLVersion(ctxProfileBits, hasGLVersionByInt.getMajor(), hasGLVersionByInt.getMinor()) ) { // Strict Match (GLVersionMapping): // Relaxed match for versions ( !isES && major < 3 ) requests, last resort! // Otherwise: // - fail if hasVersion < reqVersion // - fail if ES major-version mismatch // if( strictMatch && ( ( ( isES || major >= 3 ) && hasGLVersionByInt.compareTo(reqGLVersion) < 0 ) || ( isES && major != hasGLVersionByInt.getMajor() ) ) ) { if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: FAIL, GL version mismatch (Int): "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)+" -> "+glVersion+", "+hasGLVersionByInt); } return false; } // Use returned GL version! major = hasGLVersionByInt.getMajor(); minor = hasGLVersionByInt.getMinor(); versionValidated = true; } else { versionGL3IntFailed = true; } } if( !versionValidated ) { // Validate the requested version w/ the GL-version from the version string. final VersionNumber hasGLVersionByString = getGLVersionNumber(ctxProfileBits, glVersion); if (DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail: Version verification (String): "+glVersion+", "+hasGLVersionByString); } // Only validate if a valid string version was fetched -> MIN > Version || Version > MAX! if( null != hasGLVersionByString ) { // Strict Match (GLVersionMapping): // Relaxed match for versions ( !isES && major < 3 ) requests, last resort! // Otherwise: // - fail if hasVersion < reqVersion // - fail if ES major-version mismatch // if( strictMatch && ( ( ( isES || major >= 3 ) && hasGLVersionByString.compareTo(reqGLVersion) < 0 ) || ( isES && major != hasGLVersionByString.getMajor() ) ) ) { if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: FAIL, GL version mismatch (String): "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)+" -> "+glVersion+", "+hasGLVersionByString); } return false; } if( strictMatch && versionGL3IntFailed && major >= 3 ) { if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: FAIL, GL3/ES3 version Int failed, String: "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)+" -> "+glVersion+", "+hasGLVersionByString); } return false; } // Use returned GL version! major = hasGLVersionByString.getMajor(); minor = hasGLVersionByString.getMinor(); versionValidated = true; } } if( strictMatch && !versionValidated ) { if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: FAIL, No GL version validation possible: "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)+" -> "+glVersion); } return false; } if (DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail: Post version verification req "+ GLContext.getGLVersion(reqGLVersion.getMajor(), reqGLVersion.getMinor(), reqCtxProfileBits, null)+" -> has "+ GLContext.getGLVersion(major, minor, ctxProfileBits, null)+ ", strictMatch "+strictMatch+", versionValidated "+versionValidated+", versionGL3IntFailed "+versionGL3IntFailed); } if( major < 2 ) { // there is no ES2/3-compat for a profile w/ major < 2 ctxProfileBits &= ~ ( GLContext.CTX_IMPL_ES2_COMPAT | GLContext.CTX_IMPL_ES3_COMPAT ) ; } final VersionNumberString vendorVersion = GLVersionNumber.createVendorVersion(glVersion); setRendererQuirks(adevice, reqGLVersion.getMajor(), reqGLVersion.getMinor(), reqCtxProfileBits, major, minor, ctxProfileBits, vendorVersion, withinGLVersionsMapping); if( strictMatch && glRendererQuirks.exist(GLRendererQuirks.GLNonCompliant) ) { if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: FAIL, GL is not compliant: "+GLContext.getGLVersion(major, minor, ctxProfileBits, glVersion)+", "+glRenderer); } return false; } if(!isCurrentContextHardwareRasterizer()) { ctxProfileBits |= GLContext.CTX_IMPL_ACCEL_SOFT; } contextFQN = getContextFQN(adevice, major, minor, ctxProfileBits); if (DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.0 validated FQN: "+contextFQN+" - "+GLContext.getGLVersion(major, minor, ctxProfileBits, glVersion)); } // // UpdateGLProcAddressTable functionality // ProcAddressTable table = null; synchronized(mappedContextTypeObjectLock) { table = mappedGLProcAddress.get( contextFQN ); if(null != table && !verifyInstance(gl.getGLProfile(), "ProcAddressTable", table)) { throw new InternalError("GLContext GL ProcAddressTable mapped key("+contextFQN+" - " + GLContext.getGLVersion(major, minor, ctxProfileBits, null)+ ") -> "+ table.getClass().getName()+" not matching "+gl.getGLProfile().getGLImplBaseClassName()); } } if(null != table) { glProcAddressTable = table; if(DEBUG) { System.err.println(getThreadName() + ": GLContext GL ProcAddressTable reusing key("+contextFQN+") -> "+toHexString(table.hashCode())); } } else { glProcAddressTable = (ProcAddressTable) createInstance(gl.getGLProfile(), "ProcAddressTable", new Class[] { FunctionAddressResolver.class } , new Object[] { new GLProcAddressResolver() } ); resetProcAddressTable(getGLProcAddressTable()); synchronized(mappedContextTypeObjectLock) { mappedGLProcAddress.put(contextFQN, getGLProcAddressTable()); if(DEBUG) { System.err.println(getThreadName() + ": GLContext GL ProcAddressTable mapping key("+contextFQN+") -> "+toHexString(getGLProcAddressTable().hashCode())); } } } // // Update ExtensionAvailabilityCache // ExtensionAvailabilityCache eCache; synchronized(mappedContextTypeObjectLock) { eCache = mappedExtensionAvailabilityCache.get( contextFQN ); } if(null != eCache) { extensionAvailability = eCache; if(DEBUG) { System.err.println(getThreadName() + ": GLContext GL ExtensionAvailabilityCache reusing key("+contextFQN+") -> "+toHexString(eCache.hashCode()) + " - entries: "+eCache.getTotalExtensionCount()); } } else { extensionAvailability = new ExtensionAvailabilityCache(); setContextVersion(major, minor, ctxProfileBits, vendorVersion, false); // pre-set of GL version, required for extension cache usage extensionAvailability.reset(this); synchronized(mappedContextTypeObjectLock) { mappedExtensionAvailabilityCache.put(contextFQN, extensionAvailability); if(DEBUG) { System.err.println(getThreadName() + ": GLContext GL ExtensionAvailabilityCache mapping key("+contextFQN+") -> "+toHexString(extensionAvailability.hashCode()) + " - entries: "+extensionAvailability.getTotalExtensionCount()); } } } if( isES ) { if( major >= 3 ) { ctxProfileBits |= CTX_IMPL_ES3_COMPAT | CTX_IMPL_ES2_COMPAT ; ctxProfileBits |= CTX_IMPL_FBO; } else if( major >= 2 ) { ctxProfileBits |= CTX_IMPL_ES2_COMPAT; ctxProfileBits |= CTX_IMPL_FBO; } } else if( ( major > 4 || major == 4 && minor >= 3 ) || ( ( major > 3 || major == 3 && minor >= 1 ) && isExtensionAvailable( GLExtensions.ARB_ES3_compatibility ) ) ) { // See GLContext.isGLES3CompatibleAvailable(..)/isGLES3Compatible() // Includes [ GL ≥ 4.3, GL ≥ 3.1 w/ GL_ARB_ES3_compatibility and GLES3 ] ctxProfileBits |= CTX_IMPL_ES3_COMPAT | CTX_IMPL_ES2_COMPAT ; ctxProfileBits |= CTX_IMPL_FBO; } else if( isExtensionAvailable( GLExtensions.ARB_ES2_compatibility ) ) { ctxProfileBits |= CTX_IMPL_ES2_COMPAT; ctxProfileBits |= CTX_IMPL_FBO; } else if( hasFBOImpl(major, ctxProfileBits, extensionAvailability) ) { ctxProfileBits |= CTX_IMPL_FBO; } if( ( isES && major == 1 ) || isExtensionAvailable(GLExtensions.OES_single_precision) ) { ctxProfileBits |= CTX_IMPL_FP32_COMPAT_API; } if(FORCE_NO_FBO_SUPPORT) { ctxProfileBits &= ~CTX_IMPL_FBO ; } // // Set GL Version (complete w/ version string) // setContextVersion(major, minor, ctxProfileBits, vendorVersion, true); finalizeInit(gl); setDefaultSwapInterval(); final int glErrX = gl.glGetError(); // clear GL error, maybe caused by above operations if(DEBUG) { System.err.println(getThreadName() + ": GLContext.setGLFuncAvail.X: OK "+contextFQN+" - "+GLContext.getGLVersion(ctxVersion.getMajor(), ctxVersion.getMinor(), ctxOptions, null)+" - glErr "+toHexString(glErrX)); } return true; } private final void setRendererQuirks(final AbstractGraphicsDevice adevice, int reqMajor, int reqMinor, int reqCTP, int major, int minor, int ctp, final VersionNumberString vendorVersion, boolean withinGLVersionsMapping) { int[] quirks = new int[GLRendererQuirks.COUNT + 1]; // + 1 ( NoFullFBOSupport ) int i = 0; final String MesaSP = "Mesa "; // final String MesaRendererAMDsp = " AMD "; // final String MesaRendererIntelsp = "Intel(R)"; final boolean hwAccel = 0 == ( ctp & GLContext.CTX_IMPL_ACCEL_SOFT ); final boolean compatCtx = 0 != ( ctp & GLContext.CTX_PROFILE_COMPAT ); final boolean isDriverMesa = glRenderer.contains(MesaSP) || glRenderer.contains("Gallium "); final boolean isDriverATICatalyst = !isDriverMesa && ( glVendor.contains("ATI Technologies") || glRenderer.startsWith("ATI ") ); final boolean isDriverNVIDIAGeForce = !isDriverMesa && ( glVendor.contains("NVIDIA Corporation") || glRenderer.contains("NVIDIA ") ); // // OS related quirks // if( Platform.getOSType() == Platform.OSType.MACOS ) { // // OSX // { final int quirk = GLRendererQuirks.NoOffscreenBitmap; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()); } quirks[i++] = quirk; } if( Platform.getOSVersionNumber().compareTo(Platform.OSXVersion.Mavericks) >= 0 && 3==reqMajor && 4==major ) { final int quirk = GLRendererQuirks.GL4NeedsGL3Request; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()+", OS Version "+Platform.getOSVersionNumber()+", req "+reqMajor+"."+reqMinor); } quirks[i++] = quirk; if( withinGLVersionsMapping ) { // Thread safe due to single threaded initialization! GLRendererQuirks.addStickyDeviceQuirks(adevice, quirks, i-1, 1); } } if( isDriverNVIDIAGeForce ) { final VersionNumber osxVersionNVFlushClean = new VersionNumber(10,7,3); // < OSX 10.7.3 w/ NV needs glFlush if( Platform.getOSVersionNumber().compareTo(osxVersionNVFlushClean) < 0 ) { final int quirk = GLRendererQuirks.GLFlushBeforeRelease; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()+", OS Version "+Platform.getOSVersionNumber()+", Renderer "+glRenderer); } quirks[i++] = quirk; } if( Platform.getOSVersionNumber().compareTo(Platform.OSXVersion.Lion) < 0 ) { // < OSX 10.7.0 w/ NV has unstable GLSL final int quirk = GLRendererQuirks.GLSLNonCompliant; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()+", OS Version "+Platform.getOSVersionNumber()+", Renderer "+glRenderer); } quirks[i++] = quirk; } } } else if( Platform.getOSType() == Platform.OSType.WINDOWS ) { // // WINDOWS // { final int quirk = GLRendererQuirks.NoDoubleBufferedBitmap; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()); } quirks[i++] = quirk; } if( isDriverATICatalyst ) { final VersionNumber winXPVersionNumber = new VersionNumber ( 5, 1, 0); final VersionNumber amdSafeMobilityVersion = new VersionNumber(12, 102, 3); if ( vendorVersion.compareTo(amdSafeMobilityVersion) < 0 ) { // includes: vendorVersion.isZero() final int quirk = GLRendererQuirks.NeedCurrCtx4ARBCreateContext; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType()+", [Vendor "+glVendor+" or Renderer "+glRenderer+"], driverVersion "+vendorVersion); } quirks[i++] = quirk; } if( Platform.getOSVersionNumber().compareTo(winXPVersionNumber) <= 0 ) { final int quirk = GLRendererQuirks.NeedCurrCtx4ARBPixFmtQueries; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS-Version "+Platform.getOSType()+" "+Platform.getOSVersionNumber()+", [Vendor "+glVendor+" or Renderer "+glRenderer+"]"); } quirks[i++] = quirk; } } } else if( Platform.OSType.ANDROID == Platform.getOSType() ) { // // ANDROID // // Renderer related quirks, may also involve OS if( glRenderer.contains("PowerVR") ) { final int quirk = GLRendererQuirks.NoSetSwapInterval; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType() + " / Renderer " + glRenderer); } quirks[i++] = quirk; } } // // Windowing Toolkit related quirks // if( NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(true) ) { // // X11 // { // // Quirk: DontCloseX11Display // final int quirk = GLRendererQuirks.DontCloseX11Display; if( glRenderer.contains(MesaSP) ) { if ( glRenderer.contains("X11") && vendorVersion.compareTo(Version800) < 0 ) { if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: X11 Renderer=" + glRenderer + ", Version=[vendor " + vendorVersion + ", GL " + glVersion+"]"); } quirks[i++] = quirk; } } else if( isDriverATICatalyst ) { { if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: X11 Renderer=" + glRenderer); } quirks[i++] = quirk; } } else if( jogamp.nativewindow.x11.X11Util.getMarkAllDisplaysUnclosable() ) { { if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: X11Util Downstream"); } quirks[i++] = quirk; } } } } // // RENDERER related quirks // if( isDriverMesa ) { { final int quirk = GLRendererQuirks.NoSetSwapIntervalPostRetarget; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: Renderer " + glRenderer); } quirks[i++] = quirk; } if( hwAccel /* glRenderer.contains( MesaRendererIntelsp ) || glRenderer.contains( MesaRendererAMDsp ) */ ) { final int quirk = GLRendererQuirks.NoDoubleBufferedPBuffer; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: Renderer " + glRenderer); } quirks[i++] = quirk; } if (compatCtx && (major > 3 || (major == 3 && minor >= 1))) { // FIXME: Apply vendor version constraints! final int quirk = GLRendererQuirks.GLNonCompliant; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: Renderer " + glRenderer); } quirks[i++] = quirk; } if( Platform.getOSType() == Platform.OSType.WINDOWS && glRenderer.contains("SVGA3D") ) { final VersionNumber mesaSafeFBOVersion = new VersionNumber(8, 0, 0); if ( vendorVersion.compareTo(mesaSafeFBOVersion) < 0 ) { // includes: vendorVersion.isZero() final int quirk = GLRendererQuirks.NoFullFBOSupport; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: OS "+Platform.getOSType() + " / Renderer " + glRenderer + " / Mesa-Version "+vendorVersion); } quirks[i++] = quirk; } } } // // Property related quirks // if( FORCE_MIN_FBO_SUPPORT ) { final int quirk = GLRendererQuirks.NoFullFBOSupport; if(DEBUG) { System.err.println("Quirk: "+GLRendererQuirks.toString(quirk)+": cause: property"); } quirks[i++] = quirk; } glRendererQuirks = new GLRendererQuirks(quirks, 0, i); GLRendererQuirks.pushStickyDeviceQuirks(adevice, glRendererQuirks); // Thread safe due to single threaded initialization! if(DEBUG) { System.err.println("Quirks local: "+glRendererQuirks); System.err.println("Quirks sticky on "+adevice+": "+GLRendererQuirks.getStickyDeviceQuirks(adevice)); } } private static final boolean hasFBOImpl(int major, int ctp, ExtensionAvailabilityCache extCache) { return ( 0 != (ctp & CTX_PROFILE_ES) && major >= 2 ) || // ES >= 2.0 major >= 3 || // any >= 3.0 GL ctx ( null != extCache && extCache.isExtensionAvailable(GLExtensions.ARB_ES2_compatibility) || // ES 2.0 compatible extCache.isExtensionAvailable(GLExtensions.ARB_framebuffer_object) || // ARB_framebuffer_object extCache.isExtensionAvailable(GLExtensions.EXT_framebuffer_object) || // EXT_framebuffer_object extCache.isExtensionAvailable(GLExtensions.OES_framebuffer_object) ) ; // OES_framebuffer_object excluded } private final void removeCachedVersion(int major, int minor, int ctxProfileBits) { if(!isCurrentContextHardwareRasterizer()) { ctxProfileBits |= GLContext.CTX_IMPL_ACCEL_SOFT; } final AbstractGraphicsConfiguration aconfig = drawable.getNativeSurface().getGraphicsConfiguration(); final AbstractGraphicsDevice adevice = aconfig.getScreen().getDevice(); contextFQN = getContextFQN(adevice, major, minor, ctxProfileBits); if (DEBUG) { System.err.println(getThreadName() + ": RM Context FQN: "+contextFQN+" - "+GLContext.getGLVersion(major, minor, ctxProfileBits, null)); } synchronized(mappedContextTypeObjectLock) { final ProcAddressTable table = mappedGLProcAddress.remove( contextFQN ); if(DEBUG) { final int hc = null != table ? table.hashCode() : 0; System.err.println(getThreadName() + ": RM GLContext GL ProcAddressTable mapping key("+contextFQN+") -> "+toHexString(hc)); } } synchronized(mappedContextTypeObjectLock) { final ExtensionAvailabilityCache eCache = mappedExtensionAvailabilityCache.remove( contextFQN ); if(DEBUG) { final int hc = null != eCache ? eCache.hashCode() : 0; System.err.println(getThreadName() + ": RM GLContext GL ExtensionAvailabilityCache mapping key("+contextFQN+") -> "+toHexString(hc)); } } } private final boolean isCurrentContextHardwareRasterizer() { boolean isHardwareRasterizer = true; if(!drawable.getChosenGLCapabilities().getHardwareAccelerated()) { isHardwareRasterizer = false; } else { isHardwareRasterizer = ! ( glRendererLowerCase.contains("software") /* Mesa3D, Apple */ || glRendererLowerCase.contains("mesa x11") /* Mesa3D */ || glRendererLowerCase.contains("softpipe") /* Gallium */ || glRendererLowerCase.contains("llvmpipe") /* Gallium */ ); } return isHardwareRasterizer; } /** * Updates the platform's 'GLX' function cache */ protected abstract void updateGLXProcAddressTable(); protected abstract StringBuilder getPlatformExtensionsStringImpl(); @Override public final boolean isFunctionAvailable(String glFunctionName) { // Check GL 1st (cached) if(null!=glProcAddressTable) { // null if this context wasn't not created try { if( glProcAddressTable.isFunctionAvailable( glFunctionName ) ) { return true; } } catch (Exception e) {} } // Check platform extensions 2nd (cached) - context had to be enabled once final ProcAddressTable pTable = getPlatformExtProcAddressTable(); if(null!=pTable) { try { if( pTable.isFunctionAvailable( glFunctionName ) ) { return true; } } catch (Exception e) {} } // dynamic function lookup at last incl name aliasing (not cached) final DynamicLookupHelper dynLookup = getDrawableImpl().getGLDynamicLookupHelper(); final String tmpBase = GLNameResolver.normalizeVEN(GLNameResolver.normalizeARB(glFunctionName, true), true); boolean res = false; int variants = GLNameResolver.getFuncNamePermutationNumber(tmpBase); for(int i = 0; !res && i < variants; i++) { final String tmp = GLNameResolver.getFuncNamePermutation(tmpBase, i); try { res = dynLookup.isFunctionAvailable(tmp); } catch (Exception e) { } } return res; } @Override public final boolean isExtensionAvailable(String glExtensionName) { if(null!=extensionAvailability) { return extensionAvailability.isExtensionAvailable(mapToRealGLExtensionName(glExtensionName)); } return false; } @Override public final int getPlatformExtensionCount() { return null != extensionAvailability ? extensionAvailability.getPlatformExtensionCount() : 0; } @Override public final String getPlatformExtensionsString() { if(null!=extensionAvailability) { return extensionAvailability.getPlatformExtensionsString(); } return null; } @Override public final int getGLExtensionCount() { return null != extensionAvailability ? extensionAvailability.getGLExtensionCount() : 0; } @Override public final String getGLExtensionsString() { if(null!=extensionAvailability) { return extensionAvailability.getGLExtensionsString(); } return null; } public final boolean isExtensionCacheInitialized() { if(null!=extensionAvailability) { return extensionAvailability.isInitialized(); } return false; } protected static String getContextFQN(AbstractGraphicsDevice device, int major, int minor, int ctxProfileBits) { // remove non-key values ctxProfileBits &= CTX_IMPL_CACHE_MASK; return device.getUniqueID() + "-" + toHexString(composeBits(major, minor, ctxProfileBits)); } protected final String getContextFQN() { return contextFQN; } /** Indicates which floating-point pbuffer implementation is in use. Returns one of GLPbuffer.APPLE_FLOAT, GLPbuffer.ATI_FLOAT, or GLPbuffer.NV_FLOAT. */ public int getFloatingPointMode() throws GLException { throw new GLException("Not supported on non-pbuffer contexts"); } @Override public int getDefaultPixelDataType() { evalPixelDataType(); return pixelDataType; } @Override public int getDefaultPixelDataFormat() { evalPixelDataType(); return pixelDataFormat; } private final void evalPixelDataType() { if(!pixelDataEvaluated) { synchronized(this) { if(!pixelDataEvaluated) { boolean ok = false; /* if(isGL2GL3() && 3 == components) { pixelDataInternalFormat=GL.GL_RGB; pixelDataFormat=GL.GL_RGB; pixelDataType = GL.GL_UNSIGNED_BYTE; ok = true; } else */ if( isGLES2Compatible() || isExtensionAvailable(GLExtensions.OES_read_format) ) { final int[] glImplColorReadVals = new int[] { 0, 0 }; gl.glGetIntegerv(GL.GL_IMPLEMENTATION_COLOR_READ_FORMAT, glImplColorReadVals, 0); gl.glGetIntegerv(GL.GL_IMPLEMENTATION_COLOR_READ_TYPE, glImplColorReadVals, 1); // pixelDataInternalFormat = (4 == components) ? GL.GL_RGBA : GL.GL_RGB; pixelDataFormat = glImplColorReadVals[0]; pixelDataType = glImplColorReadVals[1]; ok = 0 != pixelDataFormat && 0 != pixelDataType; } if( !ok ) { // RGBA read is safe for all GL profiles // pixelDataInternalFormat = (4 == components) ? GL.GL_RGBA : GL.GL_RGB; pixelDataFormat=GL.GL_RGBA; pixelDataType = GL.GL_UNSIGNED_BYTE; } // TODO: Consider: // return gl.isGL2GL3()?GL2GL3.GL_UNSIGNED_INT_8_8_8_8_REV:GL.GL_UNSIGNED_SHORT_5_5_5_1; pixelDataEvaluated = true; } } } } //---------------------------------------------------------------------- // Helpers for buffer object optimizations public final void setBufferSizeTracker(GLBufferSizeTracker bufferSizeTracker) { this.bufferSizeTracker = bufferSizeTracker; } public final GLBufferSizeTracker getBufferSizeTracker() { return bufferSizeTracker; } public final GLBufferStateTracker getBufferStateTracker() { return bufferStateTracker; } public final GLStateTracker getGLStateTracker() { return glStateTracker; } //--------------------------------------------------------------------------- // Helpers for context optimization where the last context is left // current on the OpenGL worker thread // /** * Returns true if the given thread is owner, otherwise false. *

* Method exists merely for code validation of {@link #isCurrent()}. *

*/ public final boolean isOwner(Thread thread) { return lock.isOwner(thread); } /** * Returns true if there are other threads waiting for this GLContext to {@link #makeCurrent()}, otherwise false. *

* Since method does not perform any synchronization, accurate result are returned if lock is hold - only. *

*/ public final boolean hasWaiters() { return lock.getQueueLength()>0; } /** * Returns the number of hold locks. See {@link RecursiveLock#getHoldCount()} for semantics. *

* Since method does not perform any synchronization, accurate result are returned if lock is hold - only. *

*/ public final int getLockCount() { return lock.getHoldCount(); } //--------------------------------------------------------------------------- // Special FBO hook // /** * Tracks {@link GL#GL_FRAMEBUFFER}, {@link GL2GL3#GL_DRAW_FRAMEBUFFER} and {@link GL2GL3#GL_READ_FRAMEBUFFER} * to be returned via {@link #getBoundFramebuffer(int)}. * *

Invoked by {@link GL#glBindFramebuffer(int, int)}.

* *

Assumes valid framebufferName range of [0..{@link Integer#MAX_VALUE}]

* *

Does not throw an exception if target is unknown or framebufferName invalid.

*/ public final void setBoundFramebuffer(int target, int framebufferName) { if(0 > framebufferName) { return; // ignore invalid name } switch(target) { case GL.GL_FRAMEBUFFER: boundFBOTarget[0] = framebufferName; // draw boundFBOTarget[1] = framebufferName; // read break; case GL2GL3.GL_DRAW_FRAMEBUFFER: boundFBOTarget[0] = framebufferName; // draw break; case GL2GL3.GL_READ_FRAMEBUFFER: boundFBOTarget[1] = framebufferName; // read break; default: // ignore untracked target } } @Override public final int getBoundFramebuffer(int target) { switch(target) { case GL.GL_FRAMEBUFFER: case GL2GL3.GL_DRAW_FRAMEBUFFER: return boundFBOTarget[0]; // draw case GL2GL3.GL_READ_FRAMEBUFFER: return boundFBOTarget[1]; // read default: throw new InternalError("Invalid FBO target name: "+toHexString(target)); } } @Override public final int getDefaultDrawFramebuffer() { return drawable.getDefaultDrawFramebuffer(); } @Override public final int getDefaultReadFramebuffer() { return drawable.getDefaultReadFramebuffer(); } @Override public final int getDefaultReadBuffer() { return drawable.getDefaultReadBuffer(gl); } //--------------------------------------------------------------------------- // GL_ARB_debug_output, GL_AMD_debug_output helpers // @Override public final String getGLDebugMessageExtension() { return glDebugHandler.getExtension(); } @Override public final boolean isGLDebugMessageEnabled() { return glDebugHandler.isEnabled(); } @Override public final int getContextCreationFlags() { return additionalCtxCreationFlags; } @Override public final void setContextCreationFlags(int flags) { if(!isCreated()) { additionalCtxCreationFlags = flags & GLContext.CTX_OPTION_DEBUG; } } @Override public final boolean isGLDebugSynchronous() { return glDebugHandler.isSynchronous(); } @Override public final void setGLDebugSynchronous(boolean synchronous) { glDebugHandler.setSynchronous(synchronous); } @Override public final void enableGLDebugMessage(boolean enable) throws GLException { if(!isCreated()) { if(enable) { additionalCtxCreationFlags |= GLContext.CTX_OPTION_DEBUG; } else { additionalCtxCreationFlags &= ~GLContext.CTX_OPTION_DEBUG; } } else if(0 != (additionalCtxCreationFlags & GLContext.CTX_OPTION_DEBUG) && null != getGLDebugMessageExtension()) { glDebugHandler.enable(enable); } } @Override public final void addGLDebugListener(GLDebugListener listener) { glDebugHandler.addListener(listener); } @Override public final void removeGLDebugListener(GLDebugListener listener) { glDebugHandler.removeListener(listener); } @Override public final void glDebugMessageControl(int source, int type, int severity, int count, IntBuffer ids, boolean enabled) { if(glDebugHandler.isExtensionARB()) { gl.getGL2GL3().glDebugMessageControl(source, type, severity, count, ids, enabled); } else if(glDebugHandler.isExtensionAMD()) { gl.getGL2GL3().glDebugMessageEnableAMD(GLDebugMessage.translateARB2AMDCategory(source, type), severity, count, ids, enabled); } } @Override public final void glDebugMessageControl(int source, int type, int severity, int count, int[] ids, int ids_offset, boolean enabled) { if(glDebugHandler.isExtensionARB()) { gl.getGL2GL3().glDebugMessageControl(source, type, severity, count, ids, ids_offset, enabled); } else if(glDebugHandler.isExtensionAMD()) { gl.getGL2GL3().glDebugMessageEnableAMD(GLDebugMessage.translateARB2AMDCategory(source, type), severity, count, ids, ids_offset, enabled); } } @Override public final void glDebugMessageInsert(int source, int type, int id, int severity, String buf) { final int len = (null != buf) ? buf.length() : 0; if(glDebugHandler.isExtensionARB()) { gl.getGL2GL3().glDebugMessageInsert(source, type, id, severity, len, buf); } else if(glDebugHandler.isExtensionAMD()) { gl.getGL2GL3().glDebugMessageInsertAMD(GLDebugMessage.translateARB2AMDCategory(source, type), severity, id, len, buf); } } /** Internal bootstraping glGetString(GL_RENDERER) */ private static native String glGetStringInt(int name, long procAddress); /** Internal bootstraping glGetIntegerv(..) for version */ private static native void glGetIntegervInt(int pname, int[] params, int params_offset, long procAddress); }