skia2/include/gpu/SkGrPixelRef.h
commit-bot@chromium.org eeef0cc49b Revert of Revert ""Revert of eliminate config param -- it was always self's config (https://codereview.chromi… (https://codereview.chromium.org/291163005/)
Reason for revert:
broke 6 webgl/canvas tests in blink (don't know why yet)

https://storage.googleapis.com/chromium-layout-test-archives/WebKit_Mac10_7/27348/layout-test-results/results.html


Original issue's description:
> Revert ""Revert of eliminate config param -- it was always self's config (https://codereview.chromium.org/246513002/)"""
>
> This reverts commit 3dbceb4f8283b2fb1728d0daf010d036099a2eae.
>
> BUG=skia:
>
> Committed: http://code.google.com/p/skia/source/detail?r=14806

R=bsalomon@google.com, robertphillips@google.com
TBR=bsalomon@google.com, robertphillips@google.com
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: reed@google.com

Review URL: https://codereview.chromium.org/295093003

git-svn-id: http://skia.googlecode.com/svn/trunk@14826 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-05-21 15:58:00 +00:00

69 lines
1.9 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:
SK_DECLARE_INST_COUNT(SkROLockPixelsPixelRef)
SkROLockPixelsPixelRef(const SkImageInfo&);
virtual ~SkROLockPixelsPixelRef();
protected:
virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE;
virtual void onUnlockPixels() SK_OVERRIDE;
virtual bool onLockPixelsAreWritable() const SK_OVERRIDE; // return false;
private:
SkBitmap fBitmap;
typedef SkPixelRef INHERITED;
};
/**
* PixelRef that wraps a GrSurface
*/
class SK_API SkGrPixelRef : public SkROLockPixelsPixelRef {
public:
SK_DECLARE_INST_COUNT(SkGrPixelRef)
/**
* Constructs a pixel ref around a GrSurface. If the caller has locked the GrSurface in the
* cache and would like the pixel ref to unlock it in its destructor then transferCacheLock
* should be set to true.
*/
SkGrPixelRef(const SkImageInfo&, GrSurface*, bool transferCacheLock = false);
virtual ~SkGrPixelRef();
// override from SkPixelRef
virtual GrTexture* getTexture() SK_OVERRIDE;
SK_DECLARE_UNFLATTENABLE_OBJECT()
protected:
// overrides from SkPixelRef
virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset) SK_OVERRIDE;
virtual SkPixelRef* deepCopy(SkBitmap::Config dstConfig, const SkIRect* subset) SK_OVERRIDE;
private:
GrSurface* fSurface;
bool fUnlock; // if true the pixel ref owns a texture cache lock on fSurface
typedef SkROLockPixelsPixelRef INHERITED;
};
#endif