| /* | 
 |  * Copyright (c) 2016, Alliance for Open Media. All rights reserved | 
 |  * | 
 |  * This source code is subject to the terms of the BSD 2 Clause License and | 
 |  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | 
 |  * was not distributed with this source code in the LICENSE file, you can | 
 |  * obtain it at www.aomedia.org/license/software. If the Alliance for Open | 
 |  * Media Patent License 1.0 was not distributed with this source code in the | 
 |  * PATENTS file, you can obtain it at www.aomedia.org/license/patent. | 
 |  */ | 
 |  | 
 | #include <string> | 
 |  | 
 | #include "third_party/googletest/src/googletest/include/gtest/gtest.h" | 
 |  | 
 | #include "config/aom_config.h" | 
 | #include "config/aom_dsp_rtcd.h" | 
 |  | 
 | #include "test/acm_random.h" | 
 | #include "test/clear_system_state.h" | 
 | #include "test/register_state_check.h" | 
 | #include "test/util.h" | 
 | #include "av1/common/blockd.h" | 
 | #include "av1/common/common.h" | 
 | #include "av1/common/pred_common.h" | 
 | #include "aom_mem/aom_mem.h" | 
 |  | 
 | namespace { | 
 |  | 
 | using libaom_test::ACMRandom; | 
 |  | 
 | const int count_test_block = 100000; | 
 |  | 
 | typedef void (*HighbdIntraPred)(uint16_t *dst, ptrdiff_t stride, | 
 |                                 const uint16_t *above, const uint16_t *left, | 
 |                                 int bps); | 
 | typedef void (*IntraPred)(uint8_t *dst, ptrdiff_t stride, const uint8_t *above, | 
 |                           const uint8_t *left); | 
 |  | 
 | }  // namespace | 
 |  | 
 | // NOTE: Under gcc version 7.3.0 (Debian 7.3.0-5), if this template is in the | 
 | // anonymous namespace, then we get a strange compiler warning in | 
 | // the begin() and end() methods of the ParamGenerator template class in | 
 | // gtest/internal/gtest-param-util.h: | 
 | //   warning: ‘<anonymous>’ is used uninitialized in this function | 
 | // As a workaround, put this template outside the anonymous namespace. | 
 | // See bug aomedia:2003. | 
 | template <typename FuncType> | 
 | struct IntraPredFunc { | 
 |   IntraPredFunc(FuncType pred = NULL, FuncType ref = NULL, | 
 |                 int block_width_value = 0, int block_height_value = 0, | 
 |                 int bit_depth_value = 0) | 
 |       : pred_fn(pred), ref_fn(ref), block_width(block_width_value), | 
 |         block_height(block_height_value), bit_depth(bit_depth_value) {} | 
 |  | 
 |   FuncType pred_fn; | 
 |   FuncType ref_fn; | 
 |   int block_width; | 
 |   int block_height; | 
 |   int bit_depth; | 
 | }; | 
 |  | 
 | namespace { | 
 |  | 
 | template <typename FuncType, typename Pixel> | 
 | class AV1IntraPredTest | 
 |     : public ::testing::TestWithParam<IntraPredFunc<FuncType> > { | 
 |  public: | 
 |   void RunTest(Pixel *left_col, Pixel *above_data, Pixel *dst, Pixel *ref_dst) { | 
 |     ACMRandom rnd(ACMRandom::DeterministicSeed()); | 
 |     const int block_width = params_.block_width; | 
 |     const int block_height = params_.block_height; | 
 |     above_row_ = above_data + 16; | 
 |     left_col_ = left_col; | 
 |     dst_ = dst; | 
 |     ref_dst_ = ref_dst; | 
 |     int error_count = 0; | 
 |     for (int i = 0; i < count_test_block; ++i) { | 
 |       // Fill edges with random data, try first with saturated values. | 
 |       for (int x = -1; x <= block_width * 2; x++) { | 
 |         if (i == 0) { | 
 |           above_row_[x] = mask_; | 
 |         } else { | 
 |           above_row_[x] = rnd.Rand16() & mask_; | 
 |         } | 
 |       } | 
 |       for (int y = 0; y < block_height; y++) { | 
 |         if (i == 0) { | 
 |           left_col_[y] = mask_; | 
 |         } else { | 
 |           left_col_[y] = rnd.Rand16() & mask_; | 
 |         } | 
 |       } | 
 |       Predict(); | 
 |       CheckPrediction(i, &error_count); | 
 |     } | 
 |     ASSERT_EQ(0, error_count); | 
 |   } | 
 |  | 
 |  protected: | 
 |   virtual void SetUp() { | 
 |     params_ = this->GetParam(); | 
 |     stride_ = params_.block_width * 3; | 
 |     mask_ = (1 << params_.bit_depth) - 1; | 
 |   } | 
 |  | 
 |   virtual void Predict() = 0; | 
 |  | 
 |   void CheckPrediction(int test_case_number, int *error_count) const { | 
 |     // For each pixel ensure that the calculated value is the same as reference. | 
 |     const int block_width = params_.block_width; | 
 |     const int block_height = params_.block_height; | 
 |     for (int y = 0; y < block_height; y++) { | 
 |       for (int x = 0; x < block_width; x++) { | 
 |         *error_count += ref_dst_[x + y * stride_] != dst_[x + y * stride_]; | 
 |         if (*error_count == 1) { | 
 |           ASSERT_EQ(ref_dst_[x + y * stride_], dst_[x + y * stride_]) | 
 |               << " Failed on Test Case Number " << test_case_number | 
 |               << " location: x = " << x << " y = " << y; | 
 |         } | 
 |       } | 
 |     } | 
 |   } | 
 |  | 
 |   Pixel *above_row_; | 
 |   Pixel *left_col_; | 
 |   Pixel *dst_; | 
 |   Pixel *ref_dst_; | 
 |   ptrdiff_t stride_; | 
 |   int mask_; | 
 |  | 
 |   IntraPredFunc<FuncType> params_; | 
 | }; | 
 |  | 
 | class HighbdIntraPredTest : public AV1IntraPredTest<HighbdIntraPred, uint16_t> { | 
 |  protected: | 
 |   void Predict() { | 
 |     const int bit_depth = params_.bit_depth; | 
 |     params_.ref_fn(ref_dst_, stride_, above_row_, left_col_, bit_depth); | 
 |     ASM_REGISTER_STATE_CHECK( | 
 |         params_.pred_fn(dst_, stride_, above_row_, left_col_, bit_depth)); | 
 |   } | 
 | }; | 
 |  | 
 | class LowbdIntraPredTest : public AV1IntraPredTest<IntraPred, uint8_t> { | 
 |  protected: | 
 |   void Predict() { | 
 |     params_.ref_fn(ref_dst_, stride_, above_row_, left_col_); | 
 |     ASM_REGISTER_STATE_CHECK( | 
 |         params_.pred_fn(dst_, stride_, above_row_, left_col_)); | 
 |   } | 
 | }; | 
 |  | 
 | // Suppress an unitialized warning. Once there are implementations to test then | 
 | // this can be restored. | 
 | TEST_P(HighbdIntraPredTest, Bitexact) { | 
 |   // max block size is 64 | 
 |   DECLARE_ALIGNED(16, uint16_t, left_col[2 * 64]); | 
 |   DECLARE_ALIGNED(16, uint16_t, above_data[2 * 64 + 64]); | 
 |   DECLARE_ALIGNED(16, uint16_t, dst[3 * 64 * 64]); | 
 |   DECLARE_ALIGNED(16, uint16_t, ref_dst[3 * 64 * 64]); | 
 |   av1_zero(left_col); | 
 |   av1_zero(above_data); | 
 |   RunTest(left_col, above_data, dst, ref_dst); | 
 | } | 
 |  | 
 | // Same issue as above but for arm. | 
 | #if !HAVE_NEON | 
 | TEST_P(LowbdIntraPredTest, Bitexact) { | 
 |   // max block size is 32 | 
 |   DECLARE_ALIGNED(16, uint8_t, left_col[2 * 32]); | 
 |   DECLARE_ALIGNED(16, uint8_t, above_data[2 * 32 + 32]); | 
 |   DECLARE_ALIGNED(16, uint8_t, dst[3 * 32 * 32]); | 
 |   DECLARE_ALIGNED(16, uint8_t, ref_dst[3 * 32 * 32]); | 
 |   av1_zero(left_col); | 
 |   av1_zero(above_data); | 
 |   RunTest(left_col, above_data, dst, ref_dst); | 
 | } | 
 | #endif  // !HAVE_NEON | 
 |  | 
 | // ----------------------------------------------------------------------------- | 
 | // High Bit Depth Tests | 
 | #define highbd_entry(type, width, height, opt, bd)                          \ | 
 |   IntraPredFunc<HighbdIntraPred>(                                           \ | 
 |       &aom_highbd_##type##_predictor_##width##x##height##_##opt,            \ | 
 |       &aom_highbd_##type##_predictor_##width##x##height##_c, width, height, \ | 
 |       bd) | 
 |  | 
 | #if 0 | 
 | #define highbd_intrapred(type, opt, bd)                                       \ | 
 |   highbd_entry(type, 4, 4, opt, bd), highbd_entry(type, 4, 8, opt, bd),       \ | 
 |       highbd_entry(type, 8, 4, opt, bd), highbd_entry(type, 8, 8, opt, bd),   \ | 
 |       highbd_entry(type, 8, 16, opt, bd), highbd_entry(type, 16, 8, opt, bd), \ | 
 |       highbd_entry(type, 16, 16, opt, bd),                                    \ | 
 |       highbd_entry(type, 16, 32, opt, bd),                                    \ | 
 |       highbd_entry(type, 32, 16, opt, bd), highbd_entry(type, 32, 32, opt, bd) | 
 | #endif | 
 |  | 
 |   // --------------------------------------------------------------------------- | 
 |   // Low Bit Depth Tests | 
 |  | 
 | #define lowbd_entry(type, width, height, opt)                                  \ | 
 |   IntraPredFunc<IntraPred>(&aom_##type##_predictor_##width##x##height##_##opt, \ | 
 |                            &aom_##type##_predictor_##width##x##height##_c,     \ | 
 |                            width, height, 8) | 
 |  | 
 | #define lowbd_intrapred(type, opt)                                    \ | 
 |   lowbd_entry(type, 4, 4, opt), lowbd_entry(type, 4, 8, opt),         \ | 
 |       lowbd_entry(type, 8, 4, opt), lowbd_entry(type, 8, 8, opt),     \ | 
 |       lowbd_entry(type, 8, 16, opt), lowbd_entry(type, 16, 8, opt),   \ | 
 |       lowbd_entry(type, 16, 16, opt), lowbd_entry(type, 16, 32, opt), \ | 
 |       lowbd_entry(type, 32, 16, opt), lowbd_entry(type, 32, 32, opt) | 
 |  | 
 | #if HAVE_SSE2 | 
 | const IntraPredFunc<IntraPred> LowbdIntraPredTestVector[] = { | 
 |   lowbd_intrapred(dc, sse2),      lowbd_intrapred(dc_top, sse2), | 
 |   lowbd_intrapred(dc_left, sse2), lowbd_intrapred(dc_128, sse2), | 
 |   lowbd_intrapred(v, sse2),       lowbd_intrapred(h, sse2), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(SSE2, LowbdIntraPredTest, | 
 |                         ::testing::ValuesIn(LowbdIntraPredTestVector)); | 
 |  | 
 | #endif  // HAVE_SSE2 | 
 |  | 
 | #if HAVE_SSSE3 | 
 | const IntraPredFunc<IntraPred> LowbdIntraPredTestVectorSsse3[] = { | 
 |   lowbd_intrapred(paeth, ssse3), | 
 |   lowbd_intrapred(smooth, ssse3), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(SSSE3, LowbdIntraPredTest, | 
 |                         ::testing::ValuesIn(LowbdIntraPredTestVectorSsse3)); | 
 |  | 
 | #endif  // HAVE_SSSE3 | 
 |  | 
 | #if HAVE_AVX2 | 
 | const IntraPredFunc<IntraPred> LowbdIntraPredTestVectorAvx2[] = { | 
 |   lowbd_entry(dc, 32, 32, avx2),      lowbd_entry(dc_top, 32, 32, avx2), | 
 |   lowbd_entry(dc_left, 32, 32, avx2), lowbd_entry(dc_128, 32, 32, avx2), | 
 |   lowbd_entry(v, 32, 32, avx2),       lowbd_entry(h, 32, 32, avx2), | 
 |   lowbd_entry(dc, 32, 16, avx2),      lowbd_entry(dc_top, 32, 16, avx2), | 
 |   lowbd_entry(dc_left, 32, 16, avx2), lowbd_entry(dc_128, 32, 16, avx2), | 
 |   lowbd_entry(v, 32, 16, avx2),       lowbd_entry(paeth, 16, 8, avx2), | 
 |   lowbd_entry(paeth, 16, 16, avx2),   lowbd_entry(paeth, 16, 32, avx2), | 
 |   lowbd_entry(paeth, 32, 16, avx2),   lowbd_entry(paeth, 32, 32, avx2), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(AVX2, LowbdIntraPredTest, | 
 |                         ::testing::ValuesIn(LowbdIntraPredTestVectorAvx2)); | 
 |  | 
 | #endif  // HAVE_AVX2 | 
 |  | 
 | #if HAVE_NEON | 
 | const IntraPredFunc<HighbdIntraPred> HighbdIntraPredTestVectorNeon[] = { | 
 |   highbd_entry(dc, 4, 4, neon, 8),   highbd_entry(dc, 8, 8, neon, 8), | 
 |   highbd_entry(dc, 16, 16, neon, 8), highbd_entry(dc, 32, 32, neon, 8), | 
 |   highbd_entry(dc, 64, 64, neon, 8), | 
 | }; | 
 |  | 
 | INSTANTIATE_TEST_CASE_P(NEON, HighbdIntraPredTest, | 
 |                         ::testing::ValuesIn(HighbdIntraPredTestVectorNeon)); | 
 |  | 
 | #endif  // HAVE_NEON | 
 | }  // namespace |