/* * Copyright 2019 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef GrContext_Base_DEFINED #define GrContext_Base_DEFINED #include "include/core/SkRefCnt.h" #include "include/gpu/GrBackendSurface.h" #include "include/gpu/GrContextOptions.h" #include "include/gpu/GrTypes.h" class GrBaseContextPriv; class GrCaps; class GrContextThreadSafeProxy; class GrDirectContext; class GrImageContext; class GrRecordingContext; class GrContext_Base : public SkRefCnt { public: virtual ~GrContext_Base(); /* * Safely downcast to a GrDirectContext. */ virtual GrDirectContext* asDirectContext() { return nullptr; } /* * The 3D API backing this context */ SK_API GrBackendApi backend() const; /* * Retrieve the default GrBackendFormat for a given SkColorType and renderability. * It is guaranteed that this backend format will be the one used by the GrContext * SkColorType and SkSurfaceCharacterization-based createBackendTexture methods. * * The caller should check that the returned format is valid. */ SK_API GrBackendFormat defaultBackendFormat(SkColorType, GrRenderable) const; SK_API GrBackendFormat compressedBackendFormat(SkImage::CompressionType) const; // TODO: When the public version is gone, rename to refThreadSafeProxy and add raw ptr ver. sk_sp threadSafeProxy(); // Provides access to functions that aren't part of the public API. GrBaseContextPriv priv(); const GrBaseContextPriv priv() const; protected: friend class GrBaseContextPriv; // for hidden functions GrContext_Base(sk_sp); virtual bool init(); /** * An identifier for this context. The id is used by all compatible contexts. For example, * if SkImages are created on one thread using an image creation context, then fed into a * DDL Recorder on second thread (which has a recording context) and finally replayed on * a third thread with a direct context, then all three contexts will report the same id. * It is an error for an image to be used with contexts that report different ids. */ uint32_t contextID() const; bool matches(GrContext_Base* candidate) const { return candidate && candidate->contextID() == this->contextID(); } /* * The options in effect for this context */ const GrContextOptions& options() const; const GrCaps* caps() const; sk_sp refCaps() const; virtual GrImageContext* asImageContext() { return nullptr; } virtual GrRecordingContext* asRecordingContext() { return nullptr; } sk_sp fThreadSafeProxy; private: typedef SkRefCnt INHERITED; }; #endif