gecko-dev/gfx/layers/opengl/MacIOSurfaceTextureClientOGL.h

57 lines
1.7 KiB
C++

/* -*- 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_MACIOSURFACETEXTURECLIENTOGL_H
#define MOZILLA_GFX_MACIOSURFACETEXTURECLIENTOGL_H
#include "mozilla/layers/TextureClientOGL.h"
class MacIOSurface;
namespace mozilla {
namespace layers {
class MacIOSurfaceTextureClientOGL : public TextureClient
{
public:
explicit MacIOSurfaceTextureClientOGL(ISurfaceAllocator* aAllcator,
TextureFlags aFlags);
virtual ~MacIOSurfaceTextureClientOGL();
void InitWith(MacIOSurface* aSurface);
virtual bool Lock(OpenMode aMode) MOZ_OVERRIDE;
virtual void Unlock() MOZ_OVERRIDE;
virtual bool IsLocked() const MOZ_OVERRIDE;
virtual bool IsAllocated() const MOZ_OVERRIDE { return !!mSurface; }
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE;
virtual gfx::IntSize GetSize() const MOZ_OVERRIDE;
virtual bool HasInternalBuffer() const MOZ_OVERRIDE { return false; }
virtual TemporaryRef<gfx::DataSourceSurface> GetAsSurface() MOZ_OVERRIDE;
// This TextureClient should not be used in a context where we use CreateSimilar
// (ex. component alpha) because the underlying texture data is always created by
// an external producer.
virtual TemporaryRef<TextureClient>
CreateSimilar(TextureFlags, TextureAllocationFlags) const MOZ_OVERRIDE { return nullptr; }
protected:
RefPtr<MacIOSurface> mSurface;
bool mIsLocked;
};
}
}
#endif // MOZILLA_GFX_MACIOSURFACETEXTURECLIENTOGL_H