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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef AndroidSurfaceTexture_h__
#define AndroidSurfaceTexture_h__
#ifdef MOZ_WIDGET_ANDROID
#include <jni.h>
#include <android/native_window.h>
#include "nsIRunnable.h"
#include "gfxPlatform.h"
#include "GLDefs.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/MatrixFwd.h"
#include "mozilla/Monitor.h"
#include "GeneratedJNIWrappers.h"
#include "SurfaceTexture.h"
namespace mozilla {
namespace gl {
class GLContext;
/**
* This class is a wrapper around Android's SurfaceTexture class.
* Usage is pretty much exactly like the Java class, so see
* the Android documentation for details.
*/
class AndroidSurfaceTexture {
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(AndroidSurfaceTexture)
public:
// The SurfaceTexture is created in an attached state. This method requires
// Android Ice Cream Sandwich.
static already_AddRefed<AndroidSurfaceTexture> Create(GLContext* aGLContext, GLuint aTexture);
// Here the SurfaceTexture will be created in a detached state. You must call
// Attach() with the GLContext you wish to composite with. It must be done
// on the thread where that GLContext is current. This method requires
// Android Jelly Bean.
static already_AddRefed<AndroidSurfaceTexture> Create();
// If we are on Jelly Bean, the SurfaceTexture can be detached and reattached
// to allow consumption from different GLContexts. It is recommended to only
// attach while you are consuming in order to allow this.
//
// Only one GLContext may be attached at any given time. If another is already
// attached, we try to wait for it to become detached.
nsresult Attach(GLContext* aContext, PRIntervalTime aTiemout = PR_INTERVAL_NO_TIMEOUT);
nsresult Detach();
// Ability to detach is based on API version (16+), and we also block PowerVR
// since it has some type of fencing problem. Bug 1100126.
bool CanDetach() const;
GLContext* AttachedContext() const { return mAttachedContext; }
ANativeWindow* NativeWindow() const {
return mNativeWindow;
}
// This attaches the updated data to the TEXTURE_EXTERNAL target
void UpdateTexImage();
void GetTransformMatrix(mozilla::gfx::Matrix4x4& aMatrix) const;
void SetDefaultSize(mozilla::gfx::IntSize size);
// The callback is guaranteed to be called on the main thread even
// if the upstream callback is received on a different thread
void SetFrameAvailableCallback(nsIRunnable* aRunnable);
GLuint Texture() const { return mTexture; }
const java::sdk::Surface::Ref& JavaSurface() const { return mSurface; }
private:
class Listener;
AndroidSurfaceTexture();
~AndroidSurfaceTexture();
bool Init(GLContext* aContext, GLuint aTexture);
GLuint mTexture;
java::sdk::SurfaceTexture::GlobalRef mSurfaceTexture;
java::sdk::Surface::GlobalRef mSurface;
java::SurfaceTextureListener::GlobalRef mListener;
GLContext* mAttachedContext;
ANativeWindow* mNativeWindow;
Monitor mMonitor;
};
}
}
#endif
#endif
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