gecko-dev/gfx/layers/basic/X11BasicCompositor.h

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2.1 KiB
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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_X11BASICCOMPOSITOR_H
#define MOZILLA_GFX_X11BASICCOMPOSITOR_H
#include "mozilla/layers/BasicCompositor.h"
#include "mozilla/layers/X11TextureSourceBasic.h"
#include "mozilla/layers/TextureHostBasic.h"
#include "gfxXlibSurface.h"
#include "mozilla/gfx/2D.h"
namespace mozilla {
namespace layers {
// TextureSource for Image-backed surfaces.
class X11DataTextureSourceBasic : public DataTextureSource
, public TextureSourceBasic
{
public:
X11DataTextureSourceBasic() {};
virtual const char* Name() const override { return "X11DataTextureSourceBasic"; }
virtual bool Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion = nullptr,
gfx::IntPoint* aSrcOffset = nullptr) override;
virtual TextureSourceBasic* AsSourceBasic() override;
virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) override;
virtual void DeallocateDeviceData() override;
virtual gfx::IntSize GetSize() const override;
virtual gfx::SurfaceFormat GetFormat() const override;
private:
// We are going to buffer layer content on this xlib draw target
RefPtr<mozilla::gfx::DrawTarget> mBufferDrawTarget;
};
class X11BasicCompositor : public BasicCompositor
{
public:
explicit X11BasicCompositor(CompositorBridgeParent* aParent, widget::CompositorWidget* aWidget)
: BasicCompositor(aParent, aWidget)
{}
virtual already_AddRefed<DataTextureSource>
CreateDataTextureSource(TextureFlags aFlags = TextureFlags::NO_FLAGS) override;
virtual already_AddRefed<DataTextureSource>
CreateDataTextureSourceAround(gfx::DataSourceSurface* aSurface) override { return nullptr; }
virtual void EndFrame() override;
};
} // namespace layers
} // namespace mozilla
#endif /* MOZILLA_GFX_X11BASICCOMPOSITOR_H */