1 files changed, 134 insertions, 0 deletions
diff --git a/third_party/aom/test/filterintra_test.cc b/third_party/aom/test/filterintra_test.cc
new file mode 100644
index 0000000000..5971349406
--- /dev/null
+++ b/third_party/aom/test/filterintra_test.cc
@@ -0,0 +1,134 @@
+/*
+ * 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 "third_party/googletest/src/googletest/include/gtest/gtest.h"
+
+#include "config/av1_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/enums.h"
+
+namespace {
+
+using ::testing::tuple;
+using libaom_test::ACMRandom;
+
+typedef void (*Predictor)(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
+                          const uint8_t *above, const uint8_t *left, int mode);
+
+// Note:
+//  Test parameter list:
+//  Reference predictor, optimized predictor, prediction mode, tx size
+//
+typedef tuple<Predictor, Predictor, int> PredFuncMode;
+typedef tuple<PredFuncMode, TX_SIZE> PredParams;
+
+const int MaxTxSize = 32;
+
+const int MaxTestNum = 100;
+
+class AV1FilterIntraPredTest : public ::testing::TestWithParam<PredParams> {
+ public:
+  virtual ~AV1FilterIntraPredTest() {}
+  virtual void SetUp() {
+    PredFuncMode funcMode = GET_PARAM(0);
+    predFuncRef_ = ::testing::get<0>(funcMode);
+    predFunc_ = ::testing::get<1>(funcMode);
+    mode_ = ::testing::get<2>(funcMode);
+    txSize_ = GET_PARAM(1);
+
+    alloc_ = new uint8_t[2 * MaxTxSize + 1];
+    predRef_ = new uint8_t[MaxTxSize * MaxTxSize];
+    pred_ = new uint8_t[MaxTxSize * MaxTxSize];
+  }
+
+  virtual void TearDown() {
+    delete[] alloc_;
+    delete[] predRef_;
+    delete[] pred_;
+    libaom_test::ClearSystemState();
+  }
+
+ protected:
+  void RunTest() const {
+    int tstIndex = 0;
+    int stride = tx_size_wide[txSize_];
+    uint8_t *left = alloc_;
+    uint8_t *above = alloc_ + MaxTxSize;
+    while (tstIndex < MaxTestNum) {
+      PrepareBuffer();
+      predFuncRef_(predRef_, stride, txSize_, &above[1], left, mode_);
+      ASM_REGISTER_STATE_CHECK(
+          predFunc_(pred_, stride, txSize_, &above[1], left, mode_));
+      DiffPred(tstIndex);
+      tstIndex += 1;
+    }
+  }
+
+ private:
+  void PrepareBuffer() const {
+    ACMRandom rnd(ACMRandom::DeterministicSeed());
+    int i = 0;
+    while (i < (2 * MaxTxSize + 1)) {
+      alloc_[i] = rnd.Rand8();
+      i++;
+    }
+  }
+
+  void DiffPred(int testNum) const {
+    int i = 0;
+    while (i < tx_size_wide[txSize_] * tx_size_high[txSize_]) {
+      EXPECT_EQ(predRef_[i], pred_[i]) << "Error at position: " << i << " "
+                                       << "Tx size: " << tx_size_wide[txSize_]
+                                       << "x" << tx_size_high[txSize_] << " "
+                                       << "Test number: " << testNum;
+      i++;
+    }
+  }
+
+  Predictor predFunc_;
+  Predictor predFuncRef_;
+  int mode_;
+  TX_SIZE txSize_;
+  uint8_t *alloc_;
+  uint8_t *pred_;
+  uint8_t *predRef_;
+};
+
+TEST_P(AV1FilterIntraPredTest, BitExactCheck) { RunTest(); }
+
+using ::testing::make_tuple;
+
+const PredFuncMode kPredFuncMdArray[] = {
+  make_tuple(&av1_filter_intra_predictor_c, &av1_filter_intra_predictor_sse4_1,
+             FILTER_DC_PRED),
+  make_tuple(&av1_filter_intra_predictor_c, &av1_filter_intra_predictor_sse4_1,
+             FILTER_V_PRED),
+  make_tuple(&av1_filter_intra_predictor_c, &av1_filter_intra_predictor_sse4_1,
+             FILTER_H_PRED),
+  make_tuple(&av1_filter_intra_predictor_c, &av1_filter_intra_predictor_sse4_1,
+             FILTER_D157_PRED),
+  make_tuple(&av1_filter_intra_predictor_c, &av1_filter_intra_predictor_sse4_1,
+             FILTER_PAETH_PRED),
+};
+
+const TX_SIZE kTxSize[] = { TX_4X4,  TX_8X8,  TX_16X16, TX_32X32, TX_4X8,
+                            TX_8X4,  TX_8X16, TX_16X8,  TX_16X32, TX_32X16,
+                            TX_4X16, TX_16X4, TX_8X32,  TX_32X8 };
+
+INSTANTIATE_TEST_CASE_P(
+    SSE4_1, AV1FilterIntraPredTest,
+    ::testing::Combine(::testing::ValuesIn(kPredFuncMdArray),
+                       ::testing::ValuesIn(kTxSize)));
+}  // namespace