gfx/thebes/nsSurfaceTexture.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/thebes/nsSurfaceTexture.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,70 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +// vim:set ts=2 sts=2 sw=2 et cin:
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +#ifndef nsSurfaceTexture_h__
    1.11 +#define nsSurfaceTexture_h__
    1.12 +#ifdef MOZ_WIDGET_ANDROID
    1.13 +
    1.14 +#include <jni.h>
    1.15 +#include "nsIRunnable.h"
    1.16 +#include "gfxPlatform.h"
    1.17 +#include "GLDefs.h"
    1.18 +
    1.19 +namespace mozilla {
    1.20 +namespace gfx {
    1.21 +class Matrix4x4;
    1.22 +}
    1.23 +}
    1.24 +
    1.25 +/**
    1.26 + * This class is a wrapper around Android's SurfaceTexture class.
    1.27 + * Usage is pretty much exactly like the Java class, so see
    1.28 + * the Android documentation for details.
    1.29 + */
    1.30 +class nsSurfaceTexture MOZ_FINAL {
    1.31 +  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsSurfaceTexture)
    1.32 +
    1.33 +public:
    1.34 +  static nsSurfaceTexture* Create(GLuint aTexture);
    1.35 +  static nsSurfaceTexture* Find(int id);
    1.36 +
    1.37 +  // Returns with reasonable certainty whether or not we'll
    1.38 +  // be able to create and use a SurfaceTexture
    1.39 +  static bool Check();
    1.40 +
    1.41 +  // This is an ANativeWindow. Use AndroidBridge::LockWindow and
    1.42 +  // friends for manipulating it.
    1.43 +  void* GetNativeWindow();
    1.44 +
    1.45 +  // This attaches the updated data to the TEXTURE_EXTERNAL target
    1.46 +  void UpdateTexImage();
    1.47 +
    1.48 +  bool GetTransformMatrix(mozilla::gfx::Matrix4x4& aMatrix);
    1.49 +  int ID() { return mID; }
    1.50 +
    1.51 +  // The callback is guaranteed to be called on the main thread even
    1.52 +  // if the upstream callback is received on a different thread
    1.53 +  void SetFrameAvailableCallback(nsIRunnable* aRunnable);
    1.54 +
    1.55 +  // Only should be called by AndroidJNI when we get a
    1.56 +  // callback from the underlying SurfaceTexture instance
    1.57 +  void NotifyFrameAvailable();
    1.58 +private:
    1.59 +  nsSurfaceTexture();
    1.60 +
    1.61 +  // Private destructor, to discourage deletion outside of Release():
    1.62 +  ~nsSurfaceTexture();
    1.63 +
    1.64 +  bool Init(GLuint aTexture);
    1.65 +
    1.66 +  jobject mSurfaceTexture;
    1.67 +  void* mNativeWindow;
    1.68 +  int mID;
    1.69 +  nsRefPtr<nsIRunnable> mFrameAvailableCallback;
    1.70 +};
    1.71 +
    1.72 +#endif
    1.73 +#endif

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