6200036929
This relies on https://skia-review.googlesource.com/c/skia/+/102101 (Add SkSurface_Gpu::MakeWrappedRenderTarget method) landing first TBR=bsalomon@google.com Change-Id: I4d2d66af5800407f638ef32d7b19ce49084bd4e4 Reviewed-on: https://skia-review.googlesource.com/102263 Commit-Queue: Robert Phillips <robertphillips@google.com> Reviewed-by: Greg Daniel <egdaniel@google.com>
72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
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* Copyright 2018 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 GrSurfaceProxyRef_DEFINED
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#define GrSurfaceProxyRef_DEFINED
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#include "GrTypesPriv.h"
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class GrSurfaceProxy;
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class GrSurfaceProxyRef : SkNoncopyable {
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public:
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virtual ~GrSurfaceProxyRef();
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GrSurfaceProxy* get() const { return fProxy; }
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/** Does this object own a pending read or write on the resource it is wrapping. */
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bool ownsPendingIO() const { return fPendingIO; }
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/** What type of IO does this represent? This is independent of whether a normal ref or a
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pending IO is currently held. */
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GrIOType ioType() const { return fIOType; }
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/** Shortcut for calling setProxy() with NULL. It cannot be called after markingPendingIO
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is called. */
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void reset();
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protected:
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GrSurfaceProxyRef();
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/** ioType expresses what type of IO operations will be marked as
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pending on the resource when markPendingIO is called. */
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GrSurfaceProxyRef(sk_sp<GrSurfaceProxy>, GrIOType);
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/** ioType expresses what type of IO operations will be marked as
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pending on the resource when markPendingIO is called. */
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void setProxy(sk_sp<GrSurfaceProxy>, GrIOType);
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private:
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/** Called by owning GrProgramElement when the program element is first scheduled for
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execution. It can only be called once. */
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void markPendingIO() const;
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/** Called when the program element/draw state is no longer owned by GrOpList-client code.
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This lets the cache know that the drawing code will no longer schedule additional reads or
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writes to the resource using the program element or draw state. It can only be called once.
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*/
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void removeRef() const;
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/** Called to indicate that the previous pending IO is complete. Useful when the owning object
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still has refs, so it is not about to destroy this GrGpuResourceRef, but its previously
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pending executions have been complete. Can only be called if removeRef() was not previously
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called. */
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void pendingIOComplete() const;
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friend class GrResourceIOProcessor;
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friend class GrOpList; // for setProxy
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GrSurfaceProxy* fProxy;
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mutable bool fOwnRef;
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mutable bool fPendingIO;
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GrIOType fIOType;
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typedef SkNoncopyable INHERITED;
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};
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#endif
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