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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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gfx/layers/client/TextureClientSharedSurface.h Normal file
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H
#define MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H
#include <cstddef> // for size_t
#include <stdint.h> // for uint32_t, uint8_t, uint64_t
#include "GLContextTypes.h" // for GLContext (ptr only), etc
#include "TextureClient.h"
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/RefPtr.h" // for RefPtr, RefCounted
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/gfx/Types.h" // for SurfaceFormat
#include "mozilla/layers/CompositorTypes.h" // for TextureFlags, etc
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
namespace mozilla {
namespace gl {
class GLContext;
class SharedSurface;
class SurfaceFactory;
} // namespace gl
namespace layers {
class SharedSurfaceTextureClient;
class SharedSurfaceTextureData : public TextureData
{
protected:
const UniquePtr<gl::SharedSurface> mSurf;
friend class SharedSurfaceTextureClient;
explicit SharedSurfaceTextureData(UniquePtr<gl::SharedSurface> surf);
public:
~SharedSurfaceTextureData();
virtual bool Lock(OpenMode) override { return false; }
virtual void Unlock() override {}
virtual void FillInfo(TextureData::Info& aInfo) const override;
virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
virtual void Deallocate(LayersIPCChannel*) override;
gl::SharedSurface* Surf() const { return mSurf.get(); }
};
class SharedSurfaceTextureClient : public TextureClient
{
public:
SharedSurfaceTextureClient(SharedSurfaceTextureData* aData,
TextureFlags aFlags,
LayersIPCChannel* aAllocator);
~SharedSurfaceTextureClient();
static already_AddRefed<SharedSurfaceTextureClient>
Create(UniquePtr<gl::SharedSurface> surf, gl::SurfaceFactory* factory,
LayersIPCChannel* aAllocator, TextureFlags aFlags);
gl::SharedSurface* Surf() const {
return static_cast<const SharedSurfaceTextureData*>(GetInternalData())->Surf();
}
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_TEXTURECLIENT_SHAREDSURFACE_H