From 649e0451708b72d467e3a0ea4a71720699330c12 Mon Sep 17 00:00:00 2001 From: mtklein Date: Fri, 3 Apr 2015 13:25:13 -0700 Subject: Add a bench to measure SkPictureRecorder constant overhead. BUG=chromium:470553 Review URL: https://codereview.chromium.org/1061633002 --- bench/PictureOverheadBench.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 bench/PictureOverheadBench.cpp (limited to 'bench/PictureOverheadBench.cpp') diff --git a/bench/PictureOverheadBench.cpp b/bench/PictureOverheadBench.cpp new file mode 100644 index 0000000000..884b005ee7 --- /dev/null +++ b/bench/PictureOverheadBench.cpp @@ -0,0 +1,29 @@ +/* + * Copyright 2015 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +// A benchmark designed to isolate the constant overheads of picture recording. +// We record a very tiny (one op) picture; one op is better than none, as it forces +// us to allocate memory to store that op... we can't just cheat by holding onto NULLs. + +#include "Benchmark.h" +#include "SkCanvas.h" +#include "SkPictureRecorder.h" + +struct PictureOverheadBench : public Benchmark { + const char* onGetName() override { return "picture_overhead"; } + bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; } + + void onDraw(const int loops, SkCanvas*) override { + SkPictureRecorder rec; + for (int i = 0; i < loops; i++) { + SkCanvas* c = rec.beginRecording(SkRect::MakeWH(2000,3000)); + c->drawRect(SkRect::MakeXYWH(10, 10, 1000, 1000), SkPaint()); + SkAutoTUnref pic(rec.endRecordingAsPicture()); + } + } +}; +DEF_BENCH(return new PictureOverheadBench;) -- cgit v1.2.3