/**
* Discard all resources held by this class, notably the EGL context.
*/
public void Release()
{
if (mEGL != null)
{
if (mEGL.EglGetCurrentContext().Equals(mEGLContext))
{
// Clear the current context and surface to ensure they are discarded immediately.
mEGL.EglMakeCurrent(mEGLDisplay, EGL10.EglNoSurface, EGL10.EglNoSurface,
EGL10.EglNoContext);
}
mEGL.EglDestroySurface(mEGLDisplay, mEGLSurface);
mEGL.EglDestroyContext(mEGLDisplay, mEGLContext);
//mEGL.eglTerminate(mEGLDisplay);
}
_surface.Release();
// this causes a bunch of warnings that appear harmless but might confuse someone:
// W BufferQueue: [unnamed-3997-2] cancelBuffer: BufferQueue has been abandoned!
//mSurfaceTexture.release();
// null everything out so future attempts to use this object will cause an NPE
mEGLDisplay = null;
mEGLContext = null;
mEGLSurface = null;
mEGL = null;
_textureRender = null;
_surface = null;
_surfaceTexture = null;
}
/**
* Creates instances of TextureRender and SurfaceTexture, and a Surface associated
* with the SurfaceTexture.
*/
private void setup()
{
_textureRender = new TextureRender();
_textureRender.SurfaceCreated();
// Even if we don't access the SurfaceTexture after the constructor returns, we
// still need to keep a reference to it. The Surface doesn't retain a reference
// at the Java level, so if we don't either then the object can get GCed, which
// causes the native finalizer to run.
_surfaceTexture = new SurfaceTexture(_textureRender.TextureId);
// This doesn't work if OutputSurface is created on the thread that CTS started for
// these test cases.
//
// The CTS-created thread has a Looper, and the SurfaceTexture constructor will
// create a Handler that uses it. The "frame available" message is delivered
// there, but since we're not a Looper-based thread we'll never see it. For
// this to do anything useful, OutputSurface must be created on a thread without
// a Looper, so that SurfaceTexture uses the main application Looper instead.
//
// Java language note: passing "this" out of a constructor is generally unwise,
// but we should be able to get away with it here.
//_surfaceTexture.SetOnFrameAvailableListener(this);
_surfaceTexture.FrameAvailable += FrameAvailable;
_surface = new Surface(_surfaceTexture);
}
/**
* Creates instances of TextureRender and SurfaceTexture, and a Surface associated
* with the SurfaceTexture.
*/
private void setup()
{
_textureRender = new TextureRender();
_textureRender.SurfaceCreated();
_surfaceTexture = new SurfaceTexture(_textureRender.TextureId);
Parent.WeakSurfaceTexture.FrameAvailable += FrameAvailable;
_surface = new Surface(Parent.WeakSurfaceTexture);
}