text: /*
   *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
   *
   *  Use of this source code is governed by a BSD-style license
   *  that can be found in the LICENSE file in the root of the source
   *  tree. An additional intellectual property rights grant can be found
   *  in the file PATENTS. All contributing project authors may
   *  be found in the AUTHORS file in the root of the source tree.
   */
  
  #include <stdlib.h>
  
  #include "../unit_test/unit_test.h"
  #include "libyuv/cpu_id.h"
  #include "libyuv/rotate_argb.h"
  
  namespace libyuv {
  
  void TestRotateBpp(int src_width,
                     int src_height,
                     int dst_width,
                     int dst_height,
                     libyuv::RotationMode mode,
                     int benchmark_iterations,
                     int disable_cpu_flags,
                     int benchmark_cpu_info,
                     const int kBpp) {
    if (src_width < 1) {
      src_width = 1;
    }
    if (src_height < 1) {
      src_height = 1;
    }
    if (dst_width < 1) {
      dst_width = 1;
    }
    if (dst_height < 1) {
      dst_height = 1;
    }
    int src_stride_argb = src_width * kBpp;
    int src_argb_plane_size = src_stride_argb * abs(src_height);
    align_buffer_page_end(src_argb, src_argb_plane_size);
    for (int i = 0; i < src_argb_plane_size; ++i) {
      src_argb[i] = fastrand() & 0xff;
    }
  
    int dst_stride_argb = dst_width * kBpp;
    int dst_argb_plane_size = dst_stride_argb * dst_height;
    align_buffer_page_end(dst_argb_c, dst_argb_plane_size);
    align_buffer_page_end(dst_argb_opt, dst_argb_plane_size);
    memset(dst_argb_c, 2, dst_argb_plane_size);
    memset(dst_argb_opt, 3, dst_argb_plane_size);
  
    if (kBpp == 1) {
      MaskCpuFlags(disable_cpu_flags);  // Disable all CPU optimization.
      RotatePlane(src_argb, src_stride_argb, dst_argb_c, dst_stride_argb,
                  src_width, src_height, mode);
  
      MaskCpuFlags(benchmark_cpu_info);  // Enable all CPU optimization.
      for (int i = 0; i < benchmark_iterations; ++i) {
        RotatePlane(src_argb, src_stride_argb, dst_argb_opt, dst_stride_argb,
                    src_width, src_height, mode);
      }
    } else if (kBpp == 4) {
      MaskCpuFlags(disable_cpu_flags);  // Disable all CPU optimization.
      ARGBRotate(src_argb, src_stride_argb, dst_argb_c, dst_stride_argb,
                 src_width, src_height, mode);
  
      MaskCpuFlags(benchmark_cpu_info);  // Enable all CPU optimization.
      for (int i = 0; i < benchmark_iterations; ++i) {
        ARGBRotate(src_argb, src_stride_argb, dst_argb_opt, dst_stride_argb,
                   src_width, src_height, mode);
      }
    }
  
    // Rotation should be exact.
    for (int i = 0; i < dst_argb_plane_size; ++i) {
      EXPECT_EQ(dst_argb_c[i], dst_argb_opt[i]);
    }
  
    free_aligned_buffer_page_end(dst_argb_c);
    free_aligned_buffer_page_end(dst_argb_opt);
    free_aligned_buffer_page_end(src_argb);
  }
  
  static void ARGBTestRotate(int src_width,
                             int src_height,
                             int dst_width,
                             int dst_height,
                             libyuv::RotationMode mode,
                             int benchmark_iterations,
                             int disable_cpu_flags,
                             int benchmark_cpu_info) {
    TestRotateBpp(src_width, src_height, dst_width, dst_height, mode,
                  benchmark_iterations, disable_cpu_flags, benchmark_cpu_info, 4);
  }
  
  TEST_F(LibYUVRotateTest, ARGBRotate0_Opt) {
    ARGBTestRotate(benchmark_width_, benchmark_height_, benchmark_width_,
                   benchmark_height_, kRotate0, benchmark_iterations_,
                   disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, ARGBRotate90_Opt) {
    ARGBTestRotate(benchmark_width_, benchmark_height_, benchmark_height_,
                   benchmark_width_, kRotate90, benchmark_iterations_,
                   disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, ARGBRotate180_Opt) {
    ARGBTestRotate(benchmark_width_, benchmark_height_, benchmark_width_,
                   benchmark_height_, kRotate180, benchmark_iterations_,
                   disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, ARGBRotate270_Opt) {
    ARGBTestRotate(benchmark_width_, benchmark_height_, benchmark_height_,
                   benchmark_width_, kRotate270, benchmark_iterations_,
                   disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  static void TestRotatePlane(int src_width,
                              int src_height,
                              int dst_width,
                              int dst_height,
                              libyuv::RotationMode mode,
                              int benchmark_iterations,
                              int disable_cpu_flags,
                              int benchmark_cpu_info) {
    TestRotateBpp(src_width, src_height, dst_width, dst_height, mode,
                  benchmark_iterations, disable_cpu_flags, benchmark_cpu_info, 1);
  }
  
  TEST_F(LibYUVRotateTest, RotatePlane0_Opt) {
    TestRotatePlane(benchmark_width_, benchmark_height_, benchmark_width_,
                    benchmark_height_, kRotate0, benchmark_iterations_,
                    disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, RotatePlane90_Opt) {
    TestRotatePlane(benchmark_width_, benchmark_height_, benchmark_height_,
                    benchmark_width_, kRotate90, benchmark_iterations_,
                    disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, RotatePlane180_Opt) {
    TestRotatePlane(benchmark_width_, benchmark_height_, benchmark_width_,
                    benchmark_height_, kRotate180, benchmark_iterations_,
                    disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, RotatePlane270_Opt) {
    TestRotatePlane(benchmark_width_, benchmark_height_, benchmark_height_,
                    benchmark_width_, kRotate270, benchmark_iterations_,
                    disable_cpu_flags_, benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, DISABLED_RotatePlane0_Odd) {
    TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
                    benchmark_width_ - 3, benchmark_height_ - 1, kRotate0,
                    benchmark_iterations_, disable_cpu_flags_,
                    benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, DISABLED_RotatePlane90_Odd) {
    TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
                    benchmark_height_ - 1, benchmark_width_ - 3, kRotate90,
                    benchmark_iterations_, disable_cpu_flags_,
                    benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, DISABLED_RotatePlane180_Odd) {
    TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
                    benchmark_width_ - 3, benchmark_height_ - 1, kRotate180,
                    benchmark_iterations_, disable_cpu_flags_,
                    benchmark_cpu_info_);
  }
  
  TEST_F(LibYUVRotateTest, DISABLED_RotatePlane270_Odd) {
    TestRotatePlane(benchmark_width_ - 3, benchmark_height_ - 1,
                    benchmark_height_ - 1, benchmark_width_ - 3, kRotate270,
                    benchmark_iterations_, disable_cpu_flags_,
                    benchmark_cpu_info_);
  }
  
  }  // namespace libyuv
  