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