зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
1.9 KiB
C++
72 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_X11TEXTUREHOST__H
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#define MOZILLA_GFX_X11TEXTUREHOST__H
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#include "mozilla/layers/TextureHost.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "mozilla/gfx/Types.h"
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#include "gfxXlibSurface.h"
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namespace mozilla {
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namespace layers {
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class X11TextureSource : public TextureSource
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{
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public:
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// Called when the underlying X surface has been changed.
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// Useful for determining whether to rebind a GLXPixmap to a texture.
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virtual void Updated() = 0;
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virtual const char* Name() const override { return "X11TextureSource"; }
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};
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// TextureHost for Xlib-backed TextureSources.
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class X11TextureHost : public TextureHost
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{
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public:
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X11TextureHost(TextureFlags aFlags,
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const SurfaceDescriptorX11& aDescriptor);
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virtual void SetTextureSourceProvider(TextureSourceProvider* aProvider) override;
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virtual bool Lock() override;
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virtual gfx::SurfaceFormat GetFormat() const override;
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virtual gfx::IntSize GetSize() const override;
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virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override
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{
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aTexture = mTextureSource;
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return !!aTexture;
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}
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virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override;
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#ifdef MOZ_LAYERS_HAVE_LOG
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virtual const char* Name() override { return "X11TextureHost"; }
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#endif
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protected:
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virtual void UpdatedInternal(const nsIntRegion*) override
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{
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if (mTextureSource)
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mTextureSource->Updated();
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}
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RefPtr<Compositor> mCompositor;
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RefPtr<X11TextureSource> mTextureSource;
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RefPtr<gfxXlibSurface> mSurface;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // MOZILLA_GFX_X11TEXTUREHOST__H
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