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- /*
- * 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/GrContextOptions.h"
- #include "include/gpu/GrTypes.h"
- class GrBaseContextPriv;
- class GrCaps;
- class GrContext;
- class GrImageContext;
- class GrRecordingContext;
- class GrSkSLFPFactoryCache;
- class SK_API GrContext_Base : public SkRefCnt {
- public:
- virtual ~GrContext_Base();
- /*
- * The 3D API backing this context
- */
- GrBackendApi backend() const { return fBackend; }
- // 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(GrBackendApi backend, const GrContextOptions& options, uint32_t contextID);
- virtual bool init(sk_sp<const GrCaps>, sk_sp<GrSkSLFPFactoryCache>);
- /**
- * 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 { return fContextID; }
- bool matches(GrContext_Base* candidate) const {
- return candidate->contextID() == this->contextID();
- }
- /*
- * The options in effect for this context
- */
- const GrContextOptions& options() const { return fOptions; }
- const GrCaps* caps() const;
- sk_sp<const GrCaps> refCaps() const;
- sk_sp<GrSkSLFPFactoryCache> fpFactoryCache();
- virtual GrImageContext* asImageContext() { return nullptr; }
- virtual GrRecordingContext* asRecordingContext() { return nullptr; }
- virtual GrContext* asDirectContext() { return nullptr; }
- private:
- const GrBackendApi fBackend;
- const GrContextOptions fOptions;
- const uint32_t fContextID;
- sk_sp<const GrCaps> fCaps;
- sk_sp<GrSkSLFPFactoryCache> fFPFactoryCache;
- typedef SkRefCnt INHERITED;
- };
- #endif
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