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diff --git a/gfx/gl/SharedSurfaceEGL.h b/gfx/gl/SharedSurfaceEGL.h
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+/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
+/* 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 SHARED_SURFACE_EGL_H_
+#define SHARED_SURFACE_EGL_H_
+
+#include "mozilla/Attributes.h"
+#include "mozilla/Mutex.h"
+#include "SharedSurface.h"
+
+namespace mozilla {
+namespace gl {
+
+class GLContext;
+class GLLibraryEGL;
+class TextureGarbageBin;
+
+class SharedSurface_EGLImage
+ : public SharedSurface
+{
+public:
+ static UniquePtr<SharedSurface_EGLImage> Create(GLContext* prodGL,
+ const GLFormats& formats,
+ const gfx::IntSize& size,
+ bool hasAlpha,
+ EGLContext context);
+
+ static SharedSurface_EGLImage* Cast(SharedSurface* surf) {
+ MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLImageShare);
+
+ return (SharedSurface_EGLImage*)surf;
+ }
+
+ static bool HasExtensions(GLLibraryEGL* egl, GLContext* gl);
+
+protected:
+ mutable Mutex mMutex;
+ GLLibraryEGL* const mEGL;
+ const GLFormats mFormats;
+ GLuint mProdTex;
+public:
+ const EGLImage mImage;
+protected:
+ EGLSync mSync;
+
+ SharedSurface_EGLImage(GLContext* gl,
+ GLLibraryEGL* egl,
+ const gfx::IntSize& size,
+ bool hasAlpha,
+ const GLFormats& formats,
+ GLuint prodTex,
+ EGLImage image);
+
+ EGLDisplay Display() const;
+ void UpdateProdTexture(const MutexAutoLock& curAutoLock);
+
+public:
+ virtual ~SharedSurface_EGLImage();
+
+ virtual layers::TextureFlags GetTextureFlags() const override;
+
+ virtual void LockProdImpl() override {}
+ virtual void UnlockProdImpl() override {}
+
+ virtual void ProducerAcquireImpl() override {}
+ virtual void ProducerReleaseImpl() override;
+
+ virtual void ProducerReadAcquireImpl() override;
+ virtual void ProducerReadReleaseImpl() override {};
+
+ virtual GLuint ProdTexture() override {
+ return mProdTex;
+ }
+
+ // Implementation-specific functions below:
+ // Returns texture and target
+ virtual bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
+
+ virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
+};
+
+
+
+class SurfaceFactory_EGLImage
+ : public SurfaceFactory
+{
+public:
+ // Fallible:
+ static UniquePtr<SurfaceFactory_EGLImage> Create(GLContext* prodGL,
+ const SurfaceCaps& caps,
+ const RefPtr<layers::LayersIPCChannel>& allocator,
+ const layers::TextureFlags& flags);
+
+protected:
+ const EGLContext mContext;
+
+ SurfaceFactory_EGLImage(GLContext* prodGL, const SurfaceCaps& caps,
+ const RefPtr<layers::LayersIPCChannel>& allocator,
+ const layers::TextureFlags& flags,
+ EGLContext context)
+ : SurfaceFactory(SharedSurfaceType::EGLImageShare, prodGL, caps, allocator, flags)
+ , mContext(context)
+ { }
+
+public:
+ virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
+ bool hasAlpha = mReadCaps.alpha;
+ return SharedSurface_EGLImage::Create(mGL, mFormats, size, hasAlpha, mContext);
+ }
+};
+
+} // namespace gl
+
+} /* namespace mozilla */
+
+#endif /* SHARED_SURFACE_EGL_H_ */