d416a5b10f
Improves the GPU measuring accuracy of nanobench by using fence syncs. Fence syncs are very widely supported and available on almost every platform. NO_MERGE_BUILDS BUG=skia: Review URL: https://codereview.chromium.org/1194783003
61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "nanobenchAndroid.h"
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#include "AnimationContext.h"
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#include "IContextFactory.h"
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#include "SkiaCanvasProxy.h"
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#include "android/rect.h"
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#include "android/native_window.h"
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#include "renderthread/TimeLord.h"
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/* These functions are only compiled in the Android Framework. */
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HWUITarget::HWUITarget(const Config& c, Benchmark* bench) : Target(c) { }
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void HWUITarget::setup() {
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this->renderer.proxy->fence();
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}
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SkCanvas* HWUITarget::beginTiming(SkCanvas* canvas) {
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SkCanvas* targetCanvas = this->renderer.prepareToDraw();
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if (targetCanvas) {
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this->fc.reset(targetCanvas);
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canvas = &this->fc;
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// This might minimally distort timing, but canvas isn't valid outside the timer.
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canvas->clear(SK_ColorWHITE);
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}
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return canvas;
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}
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void HWUITarget::endTiming() {
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this->renderer.finishDrawing();
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}
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void HWUITarget::fence() {
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this->renderer.proxy->fence();
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}
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bool HWUITarget::needsFrameTiming(int* frameLag) const {
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extern int FLAGS_gpuFrameLag;
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*frameLag = FLAGS_gpuFrameLag;
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return true;
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}
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bool HWUITarget::init(SkImageInfo info, Benchmark* bench) {
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this->renderer.initialize({bench->getSize().x(), bench->getSize().y()});
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return true;
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}
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bool HWUITarget::capturePixels(SkBitmap* bmp) {
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return this->renderer.capturePixels(bmp);
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}
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