gecko-dev/gfx/layers/composite/X11TextureHost.h

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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_X11TEXTUREHOST__H
#define MOZILLA_GFX_X11TEXTUREHOST__H
#include "mozilla/layers/TextureHost.h"
#include "mozilla/layers/LayersSurfaces.h"
#include "mozilla/gfx/Types.h"
#include "gfxXlibSurface.h"
namespace mozilla {
namespace layers {
class X11TextureSource : public TextureSource
{
public:
// Called when the underlying X surface has been changed.
// Useful for determining whether to rebind a GLXPixmap to a texture.
virtual void Updated() = 0;
virtual const char* Name() const override { return "X11TextureSource"; }
};
// TextureHost for Xlib-backed TextureSources.
class X11TextureHost : public TextureHost
{
public:
X11TextureHost(TextureFlags aFlags,
const SurfaceDescriptorX11& aDescriptor);
virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
virtual bool Lock() override;
virtual gfx::SurfaceFormat GetFormat() const override;
virtual gfx::IntSize GetSize() const override;
virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override
{
aTexture = mTextureSource;
return !!aTexture;
}
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override;
#ifdef MOZ_LAYERS_HAVE_LOG
virtual const char* Name() override { return "X11TextureHost"; }
#endif
protected:
virtual void UpdatedInternal(const nsIntRegion*) override
{
if (mTextureSource)
mTextureSource->Updated();
}
RefPtr<Compositor> mCompositor;
RefPtr<X11TextureSource> mTextureSource;
RefPtr<gfxXlibSurface> mSurface;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_GFX_X11TEXTUREHOST__H