1 files changed, 101 insertions, 0 deletions
diff --git a/gfx/gl/SharedSurfaceANGLE.h b/gfx/gl/SharedSurfaceANGLE.h
new file mode 100644
index 000000000..5e7fe32f3
--- /dev/null
+++ b/gfx/gl/SharedSurfaceANGLE.h
@@ -0,0 +1,101 @@
+/* -*- 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_ANGLE_H_
+#define SHARED_SURFACE_ANGLE_H_
+
+#include <windows.h>
+#include "SharedSurface.h"
+
+struct IDXGIKeyedMutex;
+struct ID3D11Texture2D;
+
+namespace mozilla {
+namespace gl {
+
+class GLContext;
+class GLLibraryEGL;
+
+class SharedSurface_ANGLEShareHandle
+    : public SharedSurface
+{
+public:
+    static UniquePtr<SharedSurface_ANGLEShareHandle> Create(GLContext* gl,
+                                                            EGLConfig config,
+                                                            const gfx::IntSize& size,
+                                                            bool hasAlpha);
+
+    static SharedSurface_ANGLEShareHandle* Cast(SharedSurface* surf) {
+        MOZ_ASSERT(surf->mType == SharedSurfaceType::EGLSurfaceANGLE);
+
+        return (SharedSurface_ANGLEShareHandle*)surf;
+    }
+
+protected:
+    GLLibraryEGL* const mEGL;
+    const EGLSurface mPBuffer;
+public:
+    const HANDLE mShareHandle;
+protected:
+    RefPtr<IDXGIKeyedMutex> mKeyedMutex;
+
+    SharedSurface_ANGLEShareHandle(GLContext* gl,
+                                   GLLibraryEGL* egl,
+                                   const gfx::IntSize& size,
+                                   bool hasAlpha,
+                                   EGLSurface pbuffer,
+                                   HANDLE shareHandle,
+                                   const RefPtr<IDXGIKeyedMutex>& keyedMutex);
+
+    EGLDisplay Display();
+
+public:
+    virtual ~SharedSurface_ANGLEShareHandle();
+
+    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 bool ToSurfaceDescriptor(layers::SurfaceDescriptor* const out_descriptor) override;
+
+    virtual bool ReadbackBySharedHandle(gfx::DataSourceSurface* out_surface) override;
+};
+
+
+
+class SurfaceFactory_ANGLEShareHandle
+    : public SurfaceFactory
+{
+protected:
+    GLContext* const mProdGL;
+    GLLibraryEGL* const mEGL;
+    const EGLConfig mConfig;
+
+public:
+    static UniquePtr<SurfaceFactory_ANGLEShareHandle> Create(GLContext* gl,
+                                                             const SurfaceCaps& caps,
+                                                             const RefPtr<layers::LayersIPCChannel>& allocator,
+                                                             const layers::TextureFlags& flags);
+
+protected:
+    SurfaceFactory_ANGLEShareHandle(GLContext* gl, const SurfaceCaps& caps,
+                                    const RefPtr<layers::LayersIPCChannel>& allocator,
+                                    const layers::TextureFlags& flags, GLLibraryEGL* egl,
+                                    EGLConfig config);
+
+    virtual UniquePtr<SharedSurface> CreateShared(const gfx::IntSize& size) override {
+        bool hasAlpha = mReadCaps.alpha;
+        return SharedSurface_ANGLEShareHandle::Create(mProdGL, mConfig, size, hasAlpha);
+    }
+};
+
+} /* namespace gfx */
+} /* namespace mozilla */
+
+#endif /* SHARED_SURFACE_ANGLE_H_ */