/**
* Initializes the appropriate OpenGL offscreen surface based on the value of the type parameter.
* If the surface creation fails for any reason, an OutOfMemoryError will be thrown.
*/
protected void initSurface(final int width, final int height) {
OGLRenderQueue rq = OGLRenderQueue.getInstance();
rq.lock();
try {
switch (type) {
case TEXTURE:
case PBUFFER:
case FBOBJECT:
// need to make sure the context is current before
// creating the texture (or pbuffer, or fbobject)
OGLContext.setScratchSurface(graphicsConfig);
break;
default:
break;
}
rq.flushAndInvokeNow(
new Runnable() {
public void run() {
initSurfaceNow(width, height);
}
});
} finally {
rq.unlock();
}
}
/**
* Disposes the native resources associated with the given OGLSurfaceData (referenced by the pData
* parameter). This method is invoked from the native Dispose() method from the Disposer thread
* when the Java-level OGLSurfaceData object is about to go away. Note that we also pass a
* reference to the native GLX/WGLGraphicsConfigInfo (pConfigInfo) for the purposes of making a
* context current.
*/
static void dispose(long pData, long pConfigInfo) {
OGLRenderQueue rq = OGLRenderQueue.getInstance();
rq.lock();
try {
// make sure we have a current context before
// disposing the native resources (e.g. texture object)
OGLContext.setScratchSurface(pConfigInfo);
RenderBuffer buf = rq.getBuffer();
rq.ensureCapacityAndAlignment(12, 4);
buf.putInt(DISPOSE_SURFACE);
buf.putLong(pData);
// this call is expected to complete synchronously, so flush now
rq.flushNow();
} finally {
rq.unlock();
}
}
public void flush() {
invalidate();
OGLRenderQueue rq = OGLRenderQueue.getInstance();
rq.lock();
try {
// make sure we have a current context before
// disposing the native resources (e.g. texture object)
OGLContext.setScratchSurface(graphicsConfig);
RenderBuffer buf = rq.getBuffer();
rq.ensureCapacityAndAlignment(12, 4);
buf.putInt(FLUSH_SURFACE);
buf.putLong(getNativeOps());
// this call is expected to complete synchronously, so flush now
rq.flushNow();
} finally {
rq.unlock();
}
}