skia2/tools/viewer/Viewer.h
Brian Osman 1df161ab8a Improve viewer stats collection and display
Measure the time taken for animation and flush. Exclude UI and stats logic
from the timing. Use stacked bars to visualize the breakdown of time
within a frame.

BUG=skia:

Change-Id: I7ef84442a68147f02f65b6aa4452768fd3314de2
Reviewed-on: https://skia-review.googlesource.com/8227
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2017-02-09 17:26:09 +00:00

85 lines
2.3 KiB
C++

/*
* 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 Viewer_DEFINED
#define Viewer_DEFINED
#include "sk_app/Application.h"
#include "sk_app/CommandSet.h"
#include "sk_app/Window.h"
#include "gm.h"
#include "SkAnimTimer.h"
#include "SkTouchGesture.h"
#include "Slide.h"
class SkCanvas;
class Viewer : public sk_app::Application {
public:
Viewer(int argc, char** argv, void* platformData);
~Viewer() override;
void onPaint(SkCanvas* canvas);
void onIdle() override;
bool onTouch(intptr_t owner, sk_app::Window::InputState state, float x, float y);
void onUIStateChanged(const SkString& stateName, const SkString& stateValue);
private:
void initSlides();
void updateTitle();
void setColorMode(SkColorType, sk_sp<SkColorSpace>);
void setupCurrentSlide(int previousSlide);
void updateUIState();
void drawSlide(SkCanvas* canvs);
void drawStats(SkCanvas* canvas);
void changeZoomLevel(float delta);
SkMatrix computeMatrix();
sk_app::Window* fWindow;
static const int kMeasurementCount = 64; // should be power of 2 for fast mod
double fPaintTimes[kMeasurementCount];
double fFlushTimes[kMeasurementCount];
double fAnimateTimes[kMeasurementCount];
int fCurrentMeasurement;
SkAnimTimer fAnimTimer;
SkTArray<sk_sp<Slide>> fSlides;
int fCurrentSlide;
bool fDisplayStats;
bool fRefresh; // whether to continuously refresh for measuring render time
sk_app::Window::BackendType fBackendType;
// Color properties for slide rendering
SkColorType fColorType;
sk_sp<SkColorSpace> fColorSpace;
// transform data
SkScalar fZoomCenterX;
SkScalar fZoomCenterY;
SkScalar fZoomLevel;
SkScalar fZoomScale;
sk_app::CommandSet fCommands;
SkTouchGesture fGesture;
// identity unless the window initially scales the content to fit the screen.
SkMatrix fDefaultMatrix;
SkMatrix fDefaultMatrixInv;
Json::Value fAllSlideNames; // cache all slide names for fast updateUIState
};
#endif