playcanvas/build/playcanvas.dbg/src/platform/graphics/webgpu/webgpu-gpu-profiler.js

PlayCanvas WebGL game engine

import { GpuProfiler } from '../gpu-profiler.js';
import { WebgpuQuerySet } from './webgpu-query-set.js';

class WebgpuGpuProfiler extends GpuProfiler {
    destroy() {
        var _this_timestampQueriesSet;
        (_this_timestampQueriesSet = this.timestampQueriesSet) == null ? void 0 : _this_timestampQueriesSet.destroy();
        this.timestampQueriesSet = null;
    }
    frameStart() {
        this.processEnableRequest();
    }
    frameEnd() {
        if (this._enabled) {
            var // schedule command buffer where timestamps are copied to CPU
            _this_timestampQueriesSet;
            (_this_timestampQueriesSet = this.timestampQueriesSet) == null ? void 0 : _this_timestampQueriesSet.resolve(this.slotCount * 2);
        }
    }
    request() {
        if (this._enabled) {
            var _this_timestampQueriesSet;
            // request results
            var renderVersion = this.device.renderVersion;
            (_this_timestampQueriesSet = this.timestampQueriesSet) == null ? void 0 : _this_timestampQueriesSet.request(this.slotCount, renderVersion).then((results)=>{
                this.report(results.renderVersion, results.timings);
            });
            super.request(renderVersion);
        }
    }
    constructor(device){
        super();
        this.device = device;
        // gpu timing queries
        this.timestampQueriesSet = device.supportsTimestampQuery ? new WebgpuQuerySet(device, true, 512) : null;
    }
}

export { WebgpuGpuProfiler };