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      1 /*
      2  * Copyright 2016 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "Benchmark.h"
      9 #include "SkOpts.h"
     10 
     11 class SwizzleBench : public Benchmark {
     12 public:
     13 
     14     SwizzleBench(const char* name, SkOpts::Swizzle_8888_u32 fn) : fName(name), fFn_u32(fn) {}
     15     SwizzleBench(const char* name, SkOpts::Swizzle_8888_u8  fn) : fName(name), fFn_u8 (fn) {}
     16 
     17     bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
     18     const char* onGetName() override { return fName; }
     19     void onDraw(int loops, SkCanvas*) override {
     20         static const int K = 1023; // Arbitrary, but nice to be a non-power-of-two to trip up SIMD.
     21         uint32_t dst[K], src[K];
     22         while (loops --> 0) {
     23             if (fFn_u32) { fFn_u32(dst,                 src, K); }
     24             if (fFn_u8)  { fFn_u8 (dst, (const uint8_t*)src, K); }
     25         }
     26     }
     27 private:
     28     const char* fName;
     29     SkOpts::Swizzle_8888_u32 fFn_u32 = nullptr;
     30     SkOpts::Swizzle_8888_u8  fFn_u8  = nullptr;
     31 };
     32 
     33 
     34 DEF_BENCH(return new SwizzleBench("SkOpts::RGBA_to_rgbA", SkOpts::RGBA_to_rgbA));
     35 DEF_BENCH(return new SwizzleBench("SkOpts::RGBA_to_bgrA", SkOpts::RGBA_to_bgrA));
     36 DEF_BENCH(return new SwizzleBench("SkOpts::RGBA_to_BGRA", SkOpts::RGBA_to_BGRA));
     37 DEF_BENCH(return new SwizzleBench("SkOpts::RGB_to_RGB1",  SkOpts::RGB_to_RGB1));
     38 DEF_BENCH(return new SwizzleBench("SkOpts::RGB_to_BGR1",  SkOpts::RGB_to_BGR1));
     39 DEF_BENCH(return new SwizzleBench("SkOpts::gray_to_RGB1", SkOpts::gray_to_RGB1));
     40 DEF_BENCH(return new SwizzleBench("SkOpts::grayA_to_RGBA", SkOpts::grayA_to_RGBA));
     41 DEF_BENCH(return new SwizzleBench("SkOpts::grayA_to_rgbA", SkOpts::grayA_to_rgbA));
     42 DEF_BENCH(return new SwizzleBench("SkOpts::inverted_CMYK_to_RGB1", SkOpts::inverted_CMYK_to_RGB1));
     43 DEF_BENCH(return new SwizzleBench("SkOpts::inverted_CMYK_to_BGR1", SkOpts::inverted_CMYK_to_BGR1));
     44