d6d3cabb49
Change-Id: I7d98b2dff9fbb29bb9709c72679551473078fe0f Reviewed-on: https://skia-review.googlesource.com/c/skia/+/513877 Reviewed-by: Greg Daniel <egdaniel@google.com> Commit-Queue: Robert Phillips <robertphillips@google.com>
100 lines
3.1 KiB
C++
100 lines
3.1 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 GrContext_Base_DEFINED
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#define GrContext_Base_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/gpu/GrBackendSurface.h"
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#include "include/gpu/GrContextOptions.h"
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#include "include/gpu/GrTypes.h"
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class GrBaseContextPriv;
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class GrCaps;
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class GrContextThreadSafeProxy;
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class GrDirectContext;
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class GrImageContext;
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class GrRecordingContext;
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class GrContext_Base : public SkRefCnt {
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public:
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~GrContext_Base() override;
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/*
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* Safely downcast to a GrDirectContext.
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*/
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virtual GrDirectContext* asDirectContext() { return nullptr; }
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/*
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* The 3D API backing this context
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*/
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SK_API GrBackendApi backend() const;
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/*
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* Retrieve the default GrBackendFormat for a given SkColorType and renderability.
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* It is guaranteed that this backend format will be the one used by the GrContext
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* SkColorType and SkSurfaceCharacterization-based createBackendTexture methods.
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*
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* The caller should check that the returned format is valid.
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*/
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SK_API GrBackendFormat defaultBackendFormat(SkColorType, GrRenderable) const;
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SK_API GrBackendFormat compressedBackendFormat(SkImage::CompressionType) const;
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/**
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* Gets the maximum supported sample count for a color type. 1 is returned if only non-MSAA
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* rendering is supported for the color type. 0 is returned if rendering to this color type
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* is not supported at all.
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*/
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SK_API int maxSurfaceSampleCountForColorType(SkColorType colorType) const;
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// TODO: When the public version is gone, rename to refThreadSafeProxy and add raw ptr ver.
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sk_sp<GrContextThreadSafeProxy> threadSafeProxy();
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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; // NOLINT(readability-const-return-type)
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protected:
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friend class GrBaseContextPriv; // for hidden functions
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GrContext_Base(sk_sp<GrContextThreadSafeProxy>);
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virtual bool init();
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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;
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bool matches(GrContext_Base* candidate) const {
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return candidate && candidate->contextID() == this->contextID();
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}
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/*
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* The options in effect for this context
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*/
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const GrContextOptions& options() const;
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const GrCaps* caps() const;
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sk_sp<const GrCaps> refCaps() const;
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virtual GrImageContext* asImageContext() { return nullptr; }
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virtual GrRecordingContext* asRecordingContext() { return nullptr; }
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sk_sp<GrContextThreadSafeProxy> fThreadSafeProxy;
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private:
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using INHERITED = SkRefCnt;
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};
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#endif
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