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- /*
- * Copyright 2016 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 "include/core/SkString.h"
- #include "include/effects/SkTileImageFilter.h"
- #define WIDTH 512
- #define HEIGHT 512
- // This bench exercises SkTileImageFilter drawn from a 50x50 source to
- // a 512x512 destination. It is drawn using a single rect, or "tiled"
- // rendering (using 32x32, 64x64 tiles). Tiled rendering is currently an order
- // of magnitude slower, since SkTileImageFilter does not clip the
- // source or destination rects.
- class TileImageFilterBench : public Benchmark {
- public:
- TileImageFilterBench(int tileSize) : fTileSize(tileSize) {
- if (tileSize > 0) {
- fName.printf("tile_image_filter_tiled_%d", tileSize);
- } else {
- fName.printf("tile_image_filter");
- }
- }
- protected:
- const char* onGetName() override {
- return fName.c_str();
- }
- void onDraw(int loops, SkCanvas* canvas) override {
- SkPaint paint;
- paint.setImageFilter(SkTileImageFilter::Make(SkRect::MakeWH(50, 50),
- SkRect::MakeWH(WIDTH, HEIGHT),
- nullptr));
- for (int i = 0; i < loops; i++) {
- if (fTileSize > 0) {
- for (int y = 0; y < HEIGHT; y += fTileSize) {
- for (int x = 0; x < WIDTH; x += fTileSize) {
- canvas->save();
- SkIRect clipIRect = SkIRect::MakeXYWH(x, y, fTileSize, fTileSize);
- canvas->clipRect(SkRect::Make(clipIRect));
- canvas->drawRect(SkRect::MakeWH(WIDTH, HEIGHT), paint);
- canvas->restore();
- }
- }
- } else {
- canvas->drawRect(SkRect::MakeWH(WIDTH, HEIGHT), paint);
- }
- }
- }
- private:
- SkString fName;
- // Note: this is the tile size used for tiled rendering, not for the size
- // of the SkTileImageFilter source rect.
- int fTileSize;
- typedef Benchmark INHERITED;
- };
- DEF_BENCH(return new TileImageFilterBench(0);)
- DEF_BENCH(return new TileImageFilterBench(32);)
- DEF_BENCH(return new TileImageFilterBench(64);)
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