ultrawidify/src/ext/lib/aard/AardTimers.ts

113 lines
3.7 KiB
TypeScript

export interface AardPerformanceData {
start: number;
draw: number;
getImage: number;
fastBlackLevel: number;
guardLine: number; // actually times both guard line and image line checks
edgeScan: number; // includes validation step
gradient: number;
scanResults: number;
}
export class AardTimer {
private currentIndex: number = -1;
private aardPerformanceDataBuffer: AardPerformanceData[];
current: AardPerformanceData;
previous: AardPerformanceData;
average: AardPerformanceData;
lastChange: AardPerformanceData;
constructor() {
// we need to deep clone, otherwise all buffer objects will point to the same object
// (this makes calculating averages impossible)
this.aardPerformanceDataBuffer = JSON.parse(JSON.stringify(new Array<AardPerformanceData>(64).fill(this.getEmptyMeasurement())));
this.current = this.aardPerformanceDataBuffer[0];
this.previous = undefined;
this.lastChange = this.getEmptyMeasurement();
this.average = this.getEmptyMeasurement();
}
private getEmptyMeasurement(): AardPerformanceData {
return {
start: -1,
draw: -1,
getImage: -1,
fastBlackLevel: -1,
guardLine: -1,
edgeScan: -1,
gradient: -1,
scanResults: -1
}
};
private clearMeasurement(index: number) {
this.aardPerformanceDataBuffer[index].draw = -1;
this.aardPerformanceDataBuffer[index].getImage = -1;
this.aardPerformanceDataBuffer[index].fastBlackLevel = -1;
this.aardPerformanceDataBuffer[index].guardLine = -1;
this.aardPerformanceDataBuffer[index].edgeScan = -1;
this.aardPerformanceDataBuffer[index].gradient = -1;
this.aardPerformanceDataBuffer[index].scanResults = -1;
}
next() {
// go to next buffer position;
this.currentIndex = (this.currentIndex + 1) % this.aardPerformanceDataBuffer.length;
this.previous = this.current;
this.clearMeasurement(this.currentIndex);
// TODO: reset values
this.current = this.aardPerformanceDataBuffer[this.currentIndex];
}
arChanged() { // copy numbers over
this.lastChange.draw = this.current.draw;
this.lastChange.getImage = this.current.getImage;
this.lastChange.fastBlackLevel = this.current.fastBlackLevel;
this.lastChange.guardLine = this.current.guardLine;
this.lastChange.edgeScan = this.current.edgeScan;
this.lastChange.gradient = this.current.gradient;
this.lastChange.scanResults = this.current.scanResults;
}
getAverage() {
for (let i = 0; i < this.aardPerformanceDataBuffer.length; i++) {
const sample = this.aardPerformanceDataBuffer[i];
if (sample.draw !== -1) {
this.average.draw += sample.draw;
}
if (sample.getImage !== -1) {
this.average.getImage += sample.getImage;
}
if (sample.fastBlackLevel !== -1) {
this.average.fastBlackLevel += sample.fastBlackLevel;
}
if (sample.guardLine !== -1) {
this.average.guardLine += sample.guardLine;
}
if (sample.edgeScan !== -1) {
this.average.edgeScan += sample.edgeScan;
}
if (sample.gradient !== -1) {
this.average.gradient += sample.gradient;
}
if (sample.scanResults !== -1) {
this.average.scanResults += sample.scanResults;
}
}
this.average.draw /= this.aardPerformanceDataBuffer.length;
this.average.getImage /= this.aardPerformanceDataBuffer.length;
this.average.fastBlackLevel /= this.aardPerformanceDataBuffer.length;
this.average.guardLine /= this.aardPerformanceDataBuffer.length;
this.average.edgeScan /= this.aardPerformanceDataBuffer.length;
this.average.gradient /= this.aardPerformanceDataBuffer.length;
this.average.scanResults /= this.aardPerformanceDataBuffer.length;
}
}