fc6c37b981
Turns out function declarations don't end in semicolons... BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2720 No public API changes. TBR=reed@google.com Change-Id: I72b56d52e1ff7fa6e89c295b0de8c46599791ebb Reviewed-on: https://skia-review.googlesource.com/2720 Reviewed-by: Mike Klein <mtklein@chromium.org> Commit-Queue: Mike Klein <mtklein@chromium.org>
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* Copyright 2012 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 GrFakeRefObj_DEFINED
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#define GrFakeRefObj_DEFINED
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#include "SkTypes.h"
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#include "gl/GrGLInterface.h"
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////////////////////////////////////////////////////////////////////////////////
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// This object is used to track the OpenGL objects. We don't use real
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// reference counting (i.e., we don't free the objects when their ref count
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// goes to 0) so that we can detect invalid memory accesses. The refs we
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// are tracking in this class are actually OpenGL's references to the objects
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// not "ours"
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// Each object also gets a unique globally identifying ID
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class GrFakeRefObj : SkNoncopyable {
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public:
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GrFakeRefObj()
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: fRef(0)
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, fMarkedForDeletion(false)
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, fDeleted(false) {
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// source for globally unique IDs - 0 is reserved!
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static int fNextID = 0;
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fID = ++fNextID;
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}
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virtual ~GrFakeRefObj() {}
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void ref() {
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fRef++;
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}
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void unref() {
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fRef--;
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GrAlwaysAssert(fRef >= 0);
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// often in OpenGL a given object may still be in use when the
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// delete call is made. In these cases the object is marked
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// for deletion and then freed when it is no longer in use
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if (0 == fRef && fMarkedForDeletion) {
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this->deleteAction();
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}
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}
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int getRefCount() const { return fRef; }
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GrGLuint getID() const { return fID; }
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void setMarkedForDeletion() { fMarkedForDeletion = true; }
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bool getMarkedForDeletion() const { return fMarkedForDeletion; }
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bool getDeleted() const { return fDeleted; }
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// The deleteAction fires if the object has been marked for deletion but
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// couldn't be deleted earlier due to refs
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virtual void deleteAction() {
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this->setDeleted();
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}
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protected:
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private:
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int fRef; // ref count
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GrGLuint fID; // globally unique ID
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bool fMarkedForDeletion;
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// The deleted flag is only set when OpenGL thinks the object is deleted
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// It is obviously still allocated w/in this framework
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bool fDeleted;
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// setDeleted should only ever appear in the deleteAction method!
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void setDeleted() { fDeleted = true; }
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};
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////////////////////////////////////////////////////////////////////////////////
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// Each class derived from GrFakeRefObj should use this macro to add a
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// factory creation entry point. This entry point is used by the GrGLDebug
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// object to instantiate the various objects
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// all globally unique IDs
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#define GR_DEFINE_CREATOR(className) \
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public: \
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static GrFakeRefObj *create##className() { return new className; }
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#endif // GrFakeRefObj_DEFINED
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