5ec22387ff
Change-Id: I08b4a7bc088705b93a0aa680f6733d09c7ad23dd Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354221 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Mike Reed <reed@google.com>
131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
/*
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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 "bench/Benchmark.h"
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#include "include/core/SkBitmap.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkShader.h"
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#include "include/core/SkString.h"
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static void create_gradient(SkBitmap* bm) {
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SkASSERT(1 == bm->width());
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const int height = bm->height();
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float deltaB = 255.0f / height;
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float blue = 255.0f;
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for (int y = 0; y < height; y++) {
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*bm->getAddr32(0, y) = SkColorSetRGB(0, 0, (U8CPU) blue);
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blue -= deltaB;
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}
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}
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// Test out the special case of a tiled 1xN texture. Test out opacity,
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// filtering and the different tiling modes
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class ConstXTileBench : public Benchmark {
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SkPaint fPaint;
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SkString fName;
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bool fDoTrans;
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bool fDoScale;
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static const int kWidth = 1;
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static const int kHeight = 300;
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public:
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ConstXTileBench(SkTileMode xTile,
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SkTileMode yTile,
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SkFilterMode fm,
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bool doTrans,
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bool doScale)
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: fDoTrans(doTrans)
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, fDoScale(doScale) {
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SkBitmap bm;
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bm.allocN32Pixels(kWidth, kHeight, true);
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bm.eraseColor(SK_ColorWHITE);
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create_gradient(&bm);
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fPaint.setShader(bm.makeShader(xTile, yTile, SkSamplingOptions(fm)));
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fName.printf("constXTile_");
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static const char* gTileModeStr[kSkTileModeCount] = { "C", "R", "M", "D" };
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fName.append(gTileModeStr[(unsigned)xTile]);
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fName.append(gTileModeStr[(unsigned)yTile]);
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if (fm != SkFilterMode::kNearest) {
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fName.append("_filter");
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}
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if (doTrans) {
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fName.append("_trans");
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}
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if (doScale) {
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fName.append("_scale");
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}
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}
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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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SkPaint paint(fPaint);
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this->setupPaint(&paint);
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if (fDoTrans) {
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paint.setColor(SkColorSetARGB(0x80, 0xFF, 0xFF, 0xFF));
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}
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SkRect r;
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if (fDoScale) {
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r = SkRect::MakeWH(SkIntToScalar(2 * 640), SkIntToScalar(2 * 480));
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canvas->scale(SK_ScalarHalf, SK_ScalarHalf);
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} else {
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r = SkRect::MakeWH(SkIntToScalar(640), SkIntToScalar(480));
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}
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SkPaint bgPaint;
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bgPaint.setColor(SK_ColorWHITE);
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for (int i = 0; i < loops; i++) {
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if (fDoTrans) {
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canvas->drawRect(r, bgPaint);
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}
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canvas->drawRect(r, paint);
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}
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}
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private:
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using INHERITED = Benchmark;
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};
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// Scaled benches are trending towards free. Seems like caching.
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// TODO(mtklein, reed): fix and reenable
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constexpr SkFilterMode gNN = SkFilterMode::kNearest;
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constexpr SkFilterMode gLI = SkFilterMode::kLinear;
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, false, false, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, gNN, false, false))
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, false, false, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, gLI, false, false))
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, true, false, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, gLI, false, false))
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, false, true, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, gNN, true, false))
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, false, true, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kRepeat, SkTileMode::kRepeat, gLI, true, false))
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//DEF_BENCH(return new ConstXTileBench(SkTileMode::kClamp, SkTileMode::kClamp, true, true, true))
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DEF_BENCH(return new ConstXTileBench(SkTileMode::kMirror, SkTileMode::kMirror, gLI, true, false))
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