diff options
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/GLContextImpl.java')
| -rw-r--r-- | src/jogl/classes/jogamp/opengl/GLContextImpl.java | 200 |
1 files changed, 103 insertions, 97 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLContextImpl.java b/src/jogl/classes/jogamp/opengl/GLContextImpl.java index c5a125a1e..e278afc92 100644 --- a/src/jogl/classes/jogamp/opengl/GLContextImpl.java +++ b/src/jogl/classes/jogamp/opengl/GLContextImpl.java @@ -108,10 +108,17 @@ public abstract class GLContextImpl extends GLContext { private final int[] boundFBOTarget = new int[] { 0, 0 }; // { draw, read } private int defaultVAO = 0; + /** + * <ul> + * <li>[GLAutoDrawable.upstreamLock].lock()</li> + * <li>drawable.surface.lock()</li> + * <li>contextLock.lock()</li> + * </ul> + */ protected GLDrawableImpl drawable; protected GLDrawableImpl drawableRead; - private volatile boolean pixelDataEvaluated; + private boolean pixelDataEvaluated; private int /* pixelDataInternalFormat, */ pixelDataFormat, pixelDataType; protected GL gl; @@ -192,28 +199,28 @@ public abstract class GLContextImpl extends GLContext { @Override public final GLDrawable setGLReadDrawable(final GLDrawable read) { - // Validate constraints first! - if(!isGLReadDrawableAvailable()) { - throw new GLException("Setting read drawable feature not available"); - } - final Thread currentThread = Thread.currentThread(); - if( contextLock.isLockedByOtherThread() ) { - throw new GLException("GLContext current by other thread "+contextLock.getOwner().getName()+", operation not allowed on this thread "+currentThread.getName()); - } - final boolean lockHeld = contextLock.isOwner(currentThread); - if( lockHeld && contextLock.getHoldCount() > 1 ) { - // would need to makeCurrent * holdCount - throw new GLException("GLContext is recursively locked - unsupported for setGLDrawable(..)"); - } - if(lockHeld) { - release(false); - } - final GLDrawable old = drawableRead; - drawableRead = ( null != read ) ? (GLDrawableImpl) read : drawable; - if(lockHeld) { - makeCurrent(); - } - return old; + // Validate constraints first! + if(!isGLReadDrawableAvailable()) { + throw new GLException("Setting read drawable feature not available"); + } + final Thread currentThread = Thread.currentThread(); + if( contextLock.isLockedByOtherThread() ) { + throw new GLException("GLContext current by other thread "+contextLock.getOwner().getName()+", operation not allowed on this thread "+currentThread.getName()); + } + final boolean lockHeld = contextLock.isOwner(currentThread); + if( lockHeld && contextLock.getHoldCount() > 1 ) { + // would need to makeCurrent * holdCount + throw new GLException("GLContext is recursively locked - unsupported for setGLDrawable(..)"); + } + if(lockHeld) { + release(false); + } + final GLDrawable old = drawableRead; + drawableRead = ( null != read ) ? (GLDrawableImpl) read : drawable; + if(lockHeld) { + makeCurrent(); + } + return old; } @Override @@ -223,46 +230,46 @@ public abstract class GLContextImpl extends GLContext { @Override public final GLDrawable setGLDrawable(final GLDrawable readWrite, final boolean setWriteOnly) { - // Validate constraints first! - final Thread currentThread = Thread.currentThread(); - if( contextLock.isLockedByOtherThread() ) { - throw new GLException("GLContext current by other thread "+contextLock.getOwner().getName()+", operation not allowed on this thread "+currentThread.getName()); - } - final boolean lockHeld = contextLock.isOwner(currentThread); - if( lockHeld && contextLock.getHoldCount() > 1 ) { - // would need to makeCurrent * holdCount - throw new GLException("GLContext is recursively locked - unsupported for setGLDrawable(..)"); - } - if( drawable == readWrite && ( setWriteOnly || drawableRead == readWrite ) ) { - return drawable; // no change. - } - final GLDrawableImpl old = drawable; - if( isCreated() && null != old && old.isRealized() ) { - if(!lockHeld) { - makeCurrent(); - } - // sync GL ctx w/ drawable's framebuffer before de-association - gl.glFinish(); - associateDrawable(false); - if(!lockHeld) { - release(false); - } - } - if(lockHeld) { - release(false); - } - 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(false); - } - } - return old; + // Validate constraints first! + final Thread currentThread = Thread.currentThread(); + if( contextLock.isLockedByOtherThread() ) { + throw new GLException("GLContext current by other thread "+contextLock.getOwner().getName()+", operation not allowed on this thread "+currentThread.getName()); + } + final boolean lockHeld = contextLock.isOwner(currentThread); + if( lockHeld && contextLock.getHoldCount() > 1 ) { + // would need to makeCurrent * holdCount + throw new GLException("GLContext is recursively locked - unsupported for setGLDrawable(..)"); + } + if( drawable == readWrite && ( setWriteOnly || drawableRead == readWrite ) ) { + return drawable; // no change. + } + final GLDrawableImpl old = drawable; + if( isCreated() && null != old && old.isRealized() ) { + if(!lockHeld) { + makeCurrent(); + } + // sync GL ctx w/ drawable's framebuffer before de-association + gl.glFinish(); + associateDrawable(false); + if(!lockHeld) { + release(false); + } + } + if(lockHeld) { + release(false); + } + 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(false); + } + } + return old; } @Override @@ -365,8 +372,8 @@ public abstract class GLContextImpl extends GLContext { if( actualRelease ) { setCurrent(null); } - drawable.unlockSurface(); contextLock.unlock(); + drawable.unlockSurface(); 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 ")+" - "+contextLock; lastCtxReleaseStack = new Throwable(msg); @@ -544,6 +551,7 @@ public abstract class GLContextImpl extends GLContext { } return CONTEXT_NOT_CURRENT; } + // Note: the surface is locked within [makeCurrent .. swap .. release] final int lockRes = drawable.lockSurface(); if (NativeSurface.LOCK_SURFACE_NOT_READY >= lockRes) { @@ -670,7 +678,9 @@ public abstract class GLContextImpl extends GLContext { final GLContextImpl shareWith = (GLContextImpl) GLContextShareSet.getCreatedShare(this); final long shareWithHandle; if (null != shareWith) { - shareWith.getDrawableImpl().lockSurface(); + if ( NativeSurface.LOCK_SURFACE_NOT_READY >= shareWith.drawable.lockSurface() ) { + throw new GLException("GLContextShareSet could not lock surface: "+shareWith.drawable); + } shareWithHandle = shareWith.getHandle(); if (0 == shareWithHandle) { throw new GLException("GLContextShareSet returned an invalid OpenGL context: "+this); @@ -693,7 +703,7 @@ public abstract class GLContextImpl extends GLContext { } } finally { if (null != shareWith) { - shareWith.getDrawableImpl().unlockSurface(); + shareWith.drawable.unlockSurface(); } } if ( DEBUG_TRACE_SWITCH ) { @@ -789,8 +799,8 @@ public abstract class GLContextImpl extends GLContext { * * The implementation <b>must</b> leave the context current.<br> * - * @param share the shared context or null - * @return the valid and current context if successful, or null + * @param sharedWithHandle the shared context handle or 0 + * @return true if successful, or false * @throws GLException */ protected abstract boolean createImpl(long sharedWithHandle) throws GLException ; @@ -2151,35 +2161,31 @@ public abstract class GLContextImpl extends GLContext { } 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; - } - } + if(!pixelDataEvaluated) { // only valid while context is made current + 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; } } |