зеркало из https://github.com/mozilla/gecko-dev.git
92 строки
3.0 KiB
C++
92 строки
3.0 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_MACIOSURFACETEXTUREHOSTOGL_H
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#define MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
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#include "mozilla/layers/CompositorOGL.h"
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#include "mozilla/layers/TextureHostOGL.h"
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#include "mozilla/gfx/2D.h"
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#include "MacIOSurfaceHelpers.h"
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class MacIOSurface;
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namespace mozilla {
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namespace layers {
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/**
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* A TextureHost for shared MacIOSurface
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*
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* Most of the logic actually happens in MacIOSurfaceTextureSourceOGL.
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*/
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class MacIOSurfaceTextureHostOGL : public TextureHost
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{
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public:
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MacIOSurfaceTextureHostOGL(TextureFlags aFlags,
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const SurfaceDescriptorMacIOSurface& aDescriptor);
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virtual ~MacIOSurfaceTextureHostOGL();
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// MacIOSurfaceTextureSourceOGL doesn't own any GL texture
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virtual void DeallocateDeviceData() override {}
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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::SurfaceFormat GetReadFormat() 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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{
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RefPtr<gfx::SourceSurface> surf = CreateSourceSurfaceFromMacIOSurface(GetMacIOSurface());
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return surf->GetDataSurface();
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}
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gl::GLContext* gl() const;
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virtual gfx::IntSize GetSize() const override;
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#ifdef MOZ_LAYERS_HAVE_LOG
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virtual const char* Name() override { return "MacIOSurfaceTextureHostOGL"; }
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#endif
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virtual MacIOSurfaceTextureHostOGL* AsMacIOSurfaceTextureHost() override { return this; }
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virtual MacIOSurface* GetMacIOSurface() override { return mSurface; }
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virtual void CreateRenderTexture(const wr::ExternalImageId& aExternalImageId) override;
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virtual uint32_t NumSubTextures() const override;
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virtual void PushResourceUpdates(wr::TransactionBuilder& aResources,
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ResourceUpdateOp aOp,
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const Range<wr::ImageKey>& aImageKeys,
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const wr::ExternalImageId& aExtID) override;
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virtual void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
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const wr::LayoutRect& aBounds,
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const wr::LayoutRect& aClip,
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wr::ImageRendering aFilter,
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const Range<wr::ImageKey>& aImageKeys) override;
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protected:
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GLTextureSource* CreateTextureSourceForPlane(size_t aPlane);
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RefPtr<GLTextureSource> mTextureSource;
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RefPtr<MacIOSurface> mSurface;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // MOZILLA_GFX_MACIOSURFACETEXTUREHOSTOGL_H
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