AuroraMiddleware/skia2
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Add high resolution WallTimer to SampleApp

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Gives better than 1 ms results when timing framerate.

Review URL: https://codereview.chromium.org/1288473002
This commit is contained in:
jvanverth 2015-08-11 11:07:07 -07:00 committed by Commit bot
parent 8ee06f21a2
commit 4d0d81aec2
3 changed files with 11 additions and 8 deletions
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2
gyp/SampleApp.gyp
View File

@ -22,6 +22,7 @@
'../samplecode', # To pull SampleApp.h and SampleCode.h
'../src/pipe/utils', # For TiledPipeController
'../src/utils/debugger',
'../tools',
],
'includes': [
'gmslides.gypi',
@ -154,6 +155,7 @@
'skia_lib.gyp:skia_lib',
'tools.gyp:resources',
'tools.gyp:sk_tool_utils',
'tools.gyp:timer',
'views.gyp:views',
'views_animated.gyp:views_animated',
'xml.gyp:xml',

12
samplecode/SampleApp.cpp
View File

@ -1313,8 +1313,9 @@ void SampleWindow::afterChildren(SkCanvas* orig) {
}
// Do this after presentGL and other finishing, rather than in afterChild
if (fMeasureFPS && fMeasureFPS_StartTime) {
fMeasureFPS_Time += SkTime::GetMSecs() - fMeasureFPS_StartTime;
if (fMeasureFPS) {
fTimer.end();
fMeasureFPS_Time += fTimer.fWall;
}
}
@ -1351,9 +1352,8 @@ void SampleWindow::beforeChild(SkView* child, SkCanvas* canvas) {
}
if (fMeasureFPS) {
if (SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT)) {
fMeasureFPS_StartTime = SkTime::GetMSecs();
}
(void)SampleView::SetRepeatDraw(child, FPS_REPEAT_COUNT);
fTimer.start();
} else {
(void)SampleView::SetRepeatDraw(child, 1);
}
@ -1935,7 +1935,7 @@ void SampleWindow::updateTitle() {
}
if (fMeasureFPS) {
title.appendf(" %8.3f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT);
title.appendf(" %8.4f ms", fMeasureFPS_Time / (float)FPS_REPEAT_COUNT);
}
SkView* view = curr_view(this);

5
samplecode/SampleApp.h
View File

@ -16,6 +16,7 @@
#include "SkTDArray.h"
#include "SkTouchGesture.h"
#include "SkWindow.h"
#include "timer/Timer.h"
class GrContext;
class GrRenderTarget;
@ -183,8 +184,8 @@ private:
bool fPerspAnim;
bool fRequestGrabImage;
bool fMeasureFPS;
SkMSec fMeasureFPS_Time;
SkMSec fMeasureFPS_StartTime;
WallTimer fTimer;
double fMeasureFPS_Time;
bool fMagnify;
int fTilingMode;