skia2/include/gpu/SkGrPixelRef.h
mtklein 2766c00fc0 remove SkInstCnt
It's been outclassed by Valgrind and leak sanitizer,
and it seems to be causing problems for external folks building Skia.

I'm not sure why our own builds seem unaffected.

Latest thread:
https://groups.google.com/forum/#!topic/skia-discuss/oj9FsQwwSF0

BUG=skia:

Review URL: https://codereview.chromium.org/1217573002
2015-06-26 11:45:03 -07:00

63 lines
1.5 KiB
C++

/*
* Copyright 2010 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkGrPixelRef_DEFINED
#define SkGrPixelRef_DEFINED
#include "SkBitmap.h"
#include "SkPixelRef.h"
#include "GrTexture.h"
#include "GrRenderTarget.h"
/**
* Common baseclass that implements onLockPixels() by calling onReadPixels().
* Since it has a copy, it always returns false for onLockPixelsAreWritable().
*/
class SK_API SkROLockPixelsPixelRef : public SkPixelRef {
public:
SkROLockPixelsPixelRef(const SkImageInfo&);
virtual ~SkROLockPixelsPixelRef();
protected:
bool onNewLockPixels(LockRec*) override;
void onUnlockPixels() override;
bool onLockPixelsAreWritable() const override; // return false;
private:
SkBitmap fBitmap;
typedef SkPixelRef INHERITED;
};
/**
* PixelRef that wraps a GrSurface
*/
class SK_API SkGrPixelRef : public SkROLockPixelsPixelRef {
public:
/**
* Constructs a pixel ref around a GrSurface.
*/
SkGrPixelRef(const SkImageInfo&, GrSurface*);
virtual ~SkGrPixelRef();
// override from SkPixelRef
GrTexture* getTexture() override;
protected:
// overrides from SkPixelRef
bool onReadPixels(SkBitmap* dst, const SkIRect* subset) override;
SkPixelRef* deepCopy(SkColorType, SkColorProfileType,
const SkIRect* subset) override;
void onNotifyPixelsChanged() override;
private:
GrSurface* fSurface;
typedef SkROLockPixelsPixelRef INHERITED;
};
#endif