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59 lines
1.7 KiB
59 lines
1.7 KiB
/*
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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 GrContext_Base_DEFINED
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#define GrContext_Base_DEFINED
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#include "SkRefCnt.h"
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#include "GrTypes.h"
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class GrBaseContextPriv;
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class GrContext;
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class GrImageContext;
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class GrRecordingContext;
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class SK_API GrContext_Base : public SkRefCnt {
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public:
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virtual ~GrContext_Base();
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/*
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* The 3D API backing this context
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*/
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GrBackendApi backend() const { return fBackend; }
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// Provides access to functions that aren't part of the public API.
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GrBaseContextPriv priv();
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const GrBaseContextPriv priv() const;
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protected:
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friend class GrBaseContextPriv; // for hidden functions
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GrContext_Base(GrBackendApi backend, uint32_t uniqueID);
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/**
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* An identifier for this context. The id is used by all compatible contexts. For example,
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* if SkImages are created on one thread using an image creation context, then fed into a
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* DDL Recorder on second thread (which has a recording context) and finally replayed on
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* a third thread with a direct context, then all three contexts will report the same id.
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* It is an error for an image to be used with contexts that report different ids.
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*/
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uint32_t contextID() const { return fContextID; }
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GrContext_Base* asBaseContext() { return this; }
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virtual GrImageContext* asImageContext() { return nullptr; }
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virtual GrRecordingContext* asRecordingContext() { return nullptr; }
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virtual GrContext* asDirectContext() { return nullptr; }
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private:
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const GrBackendApi fBackend;
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const uint32_t fContextID;
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typedef SkRefCnt INHERITED;
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};
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#endif
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