| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "bench/Benchmark.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkPaint.h" |
| #include "src/base/SkRandom.h" |
| |
| /** |
| * Draws full screen opaque rectangles. It is designed to test any optimizations in the GPU backend |
| * to turn such draws into clears. |
| */ |
| class FSRectBench : public Benchmark { |
| public: |
| FSRectBench() : fInit(false) { } |
| |
| protected: |
| const char* onGetName() override { return "fullscreen_rects"; } |
| |
| void onDelayedSetup() override { |
| if (!fInit) { |
| SkRandom rand; |
| static const SkScalar kMinOffset = 0; |
| static const SkScalar kMaxOffset = 100 * SK_Scalar1; |
| static const SkScalar kOffsetRange = kMaxOffset - kMinOffset; |
| for (int i = 0; i < N; ++i) { |
| fRects[i].fLeft = -kMinOffset - rand.nextUScalar1() * kOffsetRange; |
| fRects[i].fTop = -kMinOffset - rand.nextUScalar1() * kOffsetRange; |
| fRects[i].fRight = W + kMinOffset + rand.nextUScalar1() * kOffsetRange; |
| fRects[i].fBottom = H + kMinOffset + rand.nextUScalar1() * kOffsetRange; |
| fColors[i] = rand.nextU() | 0xFF000000; |
| } |
| fInit = true; |
| } |
| } |
| |
| void onDraw(int loops, SkCanvas* canvas) override { |
| SkPaint paint; |
| for (int i = 0; i < loops; ++i) { |
| paint.setColor(fColors[i % N]); |
| canvas->drawRect(fRects[i % N], paint); |
| } |
| } |
| |
| private: |
| enum { |
| W = 640, |
| H = 480, |
| N = 300, |
| }; |
| SkRect fRects[N]; |
| SkColor fColors[N]; |
| bool fInit; |
| |
| using INHERITED = Benchmark; |
| }; |
| |
| DEF_BENCH(return new FSRectBench();) |