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62 lines
1.7 KiB
62 lines
1.7 KiB
/* |
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* Copyright 2013 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 "Benchmark.h" |
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#include "SkCanvas.h" |
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#include "SkPaint.h" |
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#include "SkRandom.h" |
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/** |
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* Draws full screen opaque rectangles. It is designed to test any optimizations in the GPU backend |
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* to turn such draws into clears. |
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*/ |
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class FSRectBench : public Benchmark { |
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public: |
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FSRectBench() : fInit(false) { } |
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protected: |
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const char* onGetName() override { return "fullscreen_rects"; } |
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void onDelayedSetup() override { |
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if (!fInit) { |
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SkRandom rand; |
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static const SkScalar kMinOffset = 0; |
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static const SkScalar kMaxOffset = 100 * SK_Scalar1; |
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static const SkScalar kOffsetRange = kMaxOffset - kMinOffset; |
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for (int i = 0; i < N; ++i) { |
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fRects[i].fLeft = -kMinOffset - rand.nextUScalar1() * kOffsetRange; |
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fRects[i].fTop = -kMinOffset - rand.nextUScalar1() * kOffsetRange; |
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fRects[i].fRight = W + kMinOffset + rand.nextUScalar1() * kOffsetRange; |
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fRects[i].fBottom = H + kMinOffset + rand.nextUScalar1() * kOffsetRange; |
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fColors[i] = rand.nextU() | 0xFF000000; |
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} |
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fInit = true; |
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} |
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} |
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void onDraw(int loops, SkCanvas* canvas) override { |
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SkPaint paint; |
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for (int i = 0; i < loops; ++i) { |
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paint.setColor(fColors[i % N]); |
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canvas->drawRect(fRects[i % N], paint); |
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} |
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} |
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private: |
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enum { |
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W = 640, |
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H = 480, |
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N = 300, |
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}; |
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SkRect fRects[N]; |
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SkColor fColors[N]; |
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bool fInit; |
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typedef Benchmark INHERITED; |
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}; |
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DEF_BENCH(return new FSRectBench();)
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