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-rw-r--r--gfx/gl/SharedSurfaceANGLE.h101
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diff --git a/gfx/gl/SharedSurfaceANGLE.h b/gfx/gl/SharedSurfaceANGLE.h
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+++ b/gfx/gl/SharedSurfaceANGLE.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_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_ */