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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPictureAnalyzer_DEFINED
#define SkPictureAnalyzer_DEFINED
#include "SkCanvas.h"
#include "SkRefCnt.h"
#include "SkRegion.h"
#include "SkTypes.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
class SkPath;
class SkPicture;
/** \class SkPictureGpuAnalyzer
Gathers GPU-related statistics for one or more SkPictures.
*/
class SK_API SkPictureGpuAnalyzer final : public SkNoncopyable {
public:
explicit SkPictureGpuAnalyzer(sk_sp<GrContextThreadSafeProxy> = nullptr);
explicit SkPictureGpuAnalyzer(const sk_sp<SkPicture>& picture,
sk_sp<GrContextThreadSafeProxy> = nullptr);
/**
* Process the given picture and accumulate its stats.
*/
void analyzePicture(const SkPicture*);
/**
* Process an explicit clipPath op.
*/
void analyzeClipPath(const SkPath&, SkCanvas::ClipOp, bool doAntiAlias);
/**
* Reset all accumulated stats.
*/
void reset();
/**
* Returns true if the analyzed pictures are suitable for rendering on the GPU.
*/
bool suitableForGpuRasterization(const char** whyNot = nullptr) const;
/**
* Returns the number of commands which are slow to draw on the GPU, capped at the predicate
* max.
*/
uint32_t numSlowGpuCommands() { return fNumSlowPaths; }
private:
uint32_t fNumSlowPaths;
typedef SkNoncopyable INHERITED;
};
#endif // SK_SUPPORT_GPU
#endif // SkPictureAnalyzer_DEFINED
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