aeee6c4413
We need this for Graphite enforcing single owner on the cache. Bug: skia:12754 Change-Id: Ib26167bce5ee5db6ffe60d3c49091ac14e05f32a Reviewed-on: https://skia-review.googlesource.com/c/skia/+/496604 Reviewed-by: Robert Phillips <robertphillips@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* Copyright 2019 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrImageContext_DEFINED
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#define GrImageContext_DEFINED
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#include "include/private/GrContext_Base.h"
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#include "include/private/SingleOwner.h"
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class GrImageContextPriv;
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// This is now just a view on a ThreadSafeProxy, that SkImages can attempt to
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// downcast to a GrDirectContext as a backdoor to some operations. Once we remove the backdoors,
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// this goes away and SkImages just hold ThreadSafeProxies.
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class GrImageContext : public GrContext_Base {
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public:
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~GrImageContext() override;
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// Provides access to functions that aren't part of the public API.
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GrImageContextPriv priv();
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const GrImageContextPriv priv() const; // NOLINT(readability-const-return-type)
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protected:
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friend class GrImageContextPriv; // for hidden functions
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GrImageContext(sk_sp<GrContextThreadSafeProxy>);
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SK_API virtual void abandonContext();
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SK_API virtual bool abandoned();
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/** This is only useful for debug purposes */
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skgpu::SingleOwner* singleOwner() const { return &fSingleOwner; }
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GrImageContext* asImageContext() override { return this; }
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private:
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// When making promise images, we currently need a placeholder GrImageContext instance to give
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// to the SkImage that has no real power, just a wrapper around the ThreadSafeProxy.
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// TODO: De-power SkImage to ThreadSafeProxy or at least figure out a way to share one instance.
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static sk_sp<GrImageContext> MakeForPromiseImage(sk_sp<GrContextThreadSafeProxy>);
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// In debug builds we guard against improper thread handling
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// This guard is passed to the GrDrawingManager and, from there to all the
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// GrSurfaceDrawContexts. It is also passed to the GrResourceProvider and SkGpuDevice.
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// TODO: Move this down to GrRecordingContext.
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mutable skgpu::SingleOwner fSingleOwner;
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using INHERITED = GrContext_Base;
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};
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#endif
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