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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef PictureRenderer_DEFINED
#define PictureRenderer_DEFINED
#include "SkMath.h"
#include "SkPicture.h"
#include "SkTypes.h"
#include "SkTDArray.h"
#include "SkRect.h"
#include "SkRefCnt.h"
#include "SkString.h"
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#include "GrContext.h"
#endif
class SkBitmap;
class SkCanvas;
class SkGLContext;
namespace sk_tools {
class PictureRenderer : public SkRefCnt {
public:
enum SkDeviceTypes {
kBitmap_DeviceType,
#if SK_SUPPORT_GPU
kGPU_DeviceType
#endif
};
virtual void init(SkPicture* pict);
/**
* Perform any setup that should done prior to each iteration of render() which should not be
* timed.
*/
virtual void setup() {}
/**
* Perform work that is to be timed. Typically this is rendering, but is also used for recording
* and preparing picture for playback by the subclasses which do those.
* @param doExtraWorkToDrawToBaseCanvas Perform extra work to draw to fCanvas. Some subclasses
* will automatically draw to fCanvas, but in the tiled
* case, for example, true needs to be passed so that
* the tiles will be stitched together on fCanvas.
*/
virtual void render(bool doExtraWorkToDrawToBaseCanvas) = 0;
virtual void end();
void resetState();
void setDeviceType(SkDeviceTypes deviceType) {
fDeviceType = deviceType;
}
bool isUsingBitmapDevice() {
return kBitmap_DeviceType == fDeviceType;
}
virtual SkString getPerIterTimeFormat() { return SkString("%.2f"); }
virtual SkString getNormalTimeFormat() { return SkString("%6.2f"); }
#if SK_SUPPORT_GPU
bool isUsingGpuDevice() {
return kGPU_DeviceType == fDeviceType;
}
SkGLContext* getGLContext() {
if (this->isUsingGpuDevice()) {
return fGrContextFactory.getGLContext(GrContextFactory::kNative_GLContextType);
} else {
return NULL;
}
}
GrContext* getGrContext() {
return fGrContext;
}
#endif
PictureRenderer()
: fPicture(NULL)
, fDeviceType(kBitmap_DeviceType)
#if SK_SUPPORT_GPU
, fGrContext(fGrContextFactory.get(GrContextFactory::kNative_GLContextType))
#endif
{}
bool write(const SkString& path) const;
protected:
SkCanvas* setupCanvas();
SkCanvas* setupCanvas(int width, int height);
SkAutoTUnref<SkCanvas> fCanvas;
SkPicture* fPicture;
SkDeviceTypes fDeviceType;
#if SK_SUPPORT_GPU
GrContextFactory fGrContextFactory;
GrContext* fGrContext;
#endif
private:
typedef SkRefCnt INHERITED;
};
/**
* This class does not do any rendering, but its render function executes recording, which we want
* to time.
*/
class RecordPictureRenderer : public PictureRenderer {
virtual void render(bool doExtraWorkToDrawToBaseCanvas) SK_OVERRIDE;
virtual SkString getPerIterTimeFormat() SK_OVERRIDE { return SkString("%.4f"); }
virtual SkString getNormalTimeFormat() SK_OVERRIDE { return SkString("%6.4f"); }
};
class PipePictureRenderer : public PictureRenderer {
public:
virtual void render(bool doExtraWorkToDrawToBaseCanvas) SK_OVERRIDE;
private:
typedef PictureRenderer INHERITED;
};
class SimplePictureRenderer : public PictureRenderer {
public:
virtual void render(bool doExtraWorkToDrawToBaseCanvas) SK_OVERRIDE;
private:
typedef PictureRenderer INHERITED;
};
class TiledPictureRenderer : public PictureRenderer {
public:
TiledPictureRenderer();
virtual void init(SkPicture* pict) SK_OVERRIDE;
virtual void render(bool doExtraWorkToDrawToBaseCanvas) SK_OVERRIDE;
virtual void end() SK_OVERRIDE;
void setTileWidth(int width) {
fTileWidth = width;
}
int getTileWidth() const {
return fTileWidth;
}
void setTileHeight(int height) {
fTileHeight = height;
}
int getTileHeight() const {
return fTileHeight;
}
void setTileWidthPercentage(double percentage) {
fTileWidthPercentage = percentage;
}
double getTileWidthPercentage() const {
return fTileWidthPercentage;
}
void setTileHeightPercentage(double percentage) {
fTileHeightPercentage = percentage;
}
double getTileHeightPercentage() const {
return fTileHeightPercentage;
}
void setTileMinPowerOf2Width(int width) {
SkASSERT(SkIsPow2(width) && width > 0);
if (!SkIsPow2(width) || width <= 0) {
return;
}
fTileMinPowerOf2Width = width;
}
int getTileMinPowerOf2Width() const {
return fTileMinPowerOf2Width;
}
void setMultiThreaded(bool multi) {
fMultiThreaded = multi;
}
void setUsePipe(bool usePipe) {
fUsePipe = usePipe;
}
~TiledPictureRenderer();
private:
bool fMultiThreaded;
bool fUsePipe;
int fTileWidth;
int fTileHeight;
double fTileWidthPercentage;
double fTileHeightPercentage;
int fTileMinPowerOf2Width;
SkTDArray<SkRect> fTileRects;
void setupTiles();
void setupPowerOf2Tiles();
void deleteTiles();
typedef PictureRenderer INHERITED;
};
/**
* This class does not do any rendering, but its render function executes turning an SkPictureRecord
* into an SkPicturePlayback, which we want to time.
*/
class PlaybackCreationRenderer : public PictureRenderer {
public:
virtual void setup() SK_OVERRIDE;
virtual void render(bool doExtraWorkToDrawToBaseCanvas) SK_OVERRIDE;
virtual SkString getPerIterTimeFormat() SK_OVERRIDE { return SkString("%.4f"); }
virtual SkString getNormalTimeFormat() SK_OVERRIDE { return SkString("%6.4f"); }
private:
SkPicture fReplayer;
typedef PictureRenderer INHERITED;
};
}
#endif // PictureRenderer_DEFINED
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