Rename GrProgramResource to GrGpuResourceRef

include/gpu/GrProgramResource.h

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrProgramResource_DEFINED
-#define GrProgramResource_DEFINED
-
-#include "SkRefCnt.h"
-
-class GrGpuResource;
-
-/**
- * Class that wraps a resource referenced by a GrProgramElement or GrDrawState. It manages
- * converting refs to pending io operations. Like SkAutoTUnref, its constructor and setter adopt
- * a ref from their caller. This class is intended only for internal use in core Gr code.
- */
-class GrProgramResource : SkNoncopyable {
-public:
-    SK_DECLARE_INST_COUNT_ROOT(GrProgramResource);
-
-    enum IOType {
-        kRead_IOType,
-        kWrite_IOType,
-        kRW_IOType,
-
-        kNone_IOType, // For internal use only, don't specify to constructor or setResource().
-    };
-
-    ~GrProgramResource();
-
-    GrGpuResource* getResource() const { return fResource; }
-
-    /** Does this object own a pending read or write on the resource it is wrapping. */
-    bool ownsPendingIO() const { return fPendingIO; }
-
-    /** Shortcut for calling setResource() with NULL. It cannot be called after markingPendingIO
-        is called. */
-    void reset();
-
-protected:
-    GrProgramResource();
-
-    /** Adopts a ref from the caller. ioType expresses what type of IO operations will be marked as
-        pending on the resource when markPendingIO is called. */
-    GrProgramResource(GrGpuResource*, IOType);
-
-    /** Adopts a ref from the caller. ioType expresses what type of IO operations will be marked as
-        pending on the resource when markPendingIO is called. */
-    void setResource(GrGpuResource*, IOType);
-
-private:
-    /** Called by owning GrProgramElement when the program element is first scheduled for
-        execution. */
-    void markPendingIO() const;
-
-    /** Called when the program element/draw state is no longer owned by GrDrawTarget-client code.
-        This lets the cache know that the drawing code will no longer schedule additional reads or
-        writes to the resource using the program element or draw state. */
-    void removeRef() const;
-
-    /** Called to indicate that the previous pending IO is complete. Useful when the owning object
-        still has refs, so it is not about to destroy this GrProgramResource, but its previously
-        pending executions have been complete.
-     */
-    void pendingIOComplete() const;
-
-    friend class GrRODrawState;
-    friend class GrProgramElement;
-
-    GrGpuResource*      fResource;
-    mutable bool        fOwnRef;
-    mutable bool        fPendingIO;
-    IOType              fIOType;
-
-    typedef SkNoncopyable INHERITED;
-};
-
-template <typename T> class GrProgramTResource : public GrProgramResource {
-public:
-    GrProgramTResource() {}
-
-    /** Adopts a ref from the caller. ioType expresses what type of IO operations will be marked as
-        pending on the resource when markPendingIO is called. */
-    GrProgramTResource(T* resource, IOType ioType) : GrProgramResource(resource, ioType) {}
-
-    T* get() const { return static_cast<T*>(this->getResource()); }
-
-    /** Adopts a ref from the caller. ioType expresses what type of IO operations will be marked as
-        pending on the resource when markPendingIO is called. */
-    void set(T* resource, IOType ioType) { this->setResource(resource, ioType); }
-};
-
-
-#endif