Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/test/subtract_test.cc

Index: third_party/libvpx/source/libvpx/test/subtract_test.cc
diff --git a/third_party/libvpx/source/libvpx/test/subtract_test.cc b/third_party/libvpx/source/libvpx/test/subtract_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ff42725f03539799b6b30b86532b55af1740764c
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/test/subtract_test.cc
@@ -0,0 +1,123 @@
+/*
+ *  Copyright (c) 2012 The WebM 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 "third_party/googletest/src/include/gtest/gtest.h"
+#include "test/acm_random.h"
+#include "test/clear_system_state.h"
+#include "test/register_state_check.h"
+#include "./vpx_config.h"
+#include "./vp8_rtcd.h"
+#include "vp8/common/blockd.h"
+#include "vp8/encoder/block.h"
+#include "vpx_mem/vpx_mem.h"
+
+typedef void (*SubtractBlockFunc)(BLOCK *be, BLOCKD *bd, int pitch);
+
+namespace {
+
+class SubtractBlockTest : public ::testing::TestWithParam<SubtractBlockFunc> {
+ public:
+  virtual void TearDown() {
+    libvpx_test::ClearSystemState();
+  }
+};
+
+using libvpx_test::ACMRandom;
+
+TEST_P(SubtractBlockTest, SimpleSubtract) {
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+  BLOCK be;
+  BLOCKD bd;
+  // in libvpx, this stride is always 16
+  const int kDiffPredStride = 16;
+  const int kSrcStride[] = {32, 16, 8, 4, 0};
+  const int kBlockWidth = 4;
+  const int kBlockHeight = 4;
+
+  // Allocate... align to 16 for mmx/sse tests
+  uint8_t *source = reinterpret_cast<uint8_t*>(
+      vpx_memalign(16, kBlockHeight * kSrcStride[0] * sizeof(*source)));
+  be.src_diff = reinterpret_cast<int16_t*>(
+      vpx_memalign(16, kBlockHeight * kDiffPredStride * sizeof(*be.src_diff)));
+  bd.predictor = reinterpret_cast<unsigned char*>(
+      vpx_memalign(16, kBlockHeight * kDiffPredStride * sizeof(*bd.predictor)));
+
+  for (int i = 0; kSrcStride[i] > 0; ++i) {
+    // start at block0
+    be.src = 0;
+    be.base_src = &source;
+    be.src_stride = kSrcStride[i];
+
+    // set difference
+    int16_t *src_diff = be.src_diff;
+    for (int r = 0; r < kBlockHeight; ++r) {
+      for (int c = 0; c < kBlockWidth; ++c) {
+        src_diff[c] = static_cast<int16_t>(0xa5a5u);
+      }
+      src_diff += kDiffPredStride;
+    }
+
+    // set destination
+    uint8_t *base_src = *be.base_src;
+    for (int r = 0; r < kBlockHeight; ++r) {
+      for (int c = 0; c < kBlockWidth; ++c) {
+        base_src[c] = rnd.Rand8();
+      }
+      base_src += be.src_stride;
+    }
+
+    // set predictor
+    uint8_t *predictor = bd.predictor;
+    for (int r = 0; r < kBlockHeight; ++r) {
+      for (int c = 0; c < kBlockWidth; ++c) {
+        predictor[c] = rnd.Rand8();
+      }
+      predictor += kDiffPredStride;
+    }
+
+    ASM_REGISTER_STATE_CHECK(GetParam()(&be, &bd, kDiffPredStride));
+
+    base_src = *be.base_src;
+    src_diff = be.src_diff;
+    predictor = bd.predictor;
+    for (int r = 0; r < kBlockHeight; ++r) {
+      for (int c = 0; c < kBlockWidth; ++c) {
+        EXPECT_EQ(base_src[c], (src_diff[c] + predictor[c])) << "r = " << r
+                                                             << ", c = " << c;
+      }
+      src_diff += kDiffPredStride;
+      predictor += kDiffPredStride;
+      base_src += be.src_stride;
+    }
+  }
+  vpx_free(be.src_diff);
+  vpx_free(source);
+  vpx_free(bd.predictor);
+}
+
+INSTANTIATE_TEST_CASE_P(C, SubtractBlockTest,
+                        ::testing::Values(vp8_subtract_b_c));
+
+#if HAVE_NEON
+INSTANTIATE_TEST_CASE_P(NEON, SubtractBlockTest,
+                        ::testing::Values(vp8_subtract_b_neon));
+#endif
+
+#if HAVE_MMX
+INSTANTIATE_TEST_CASE_P(MMX, SubtractBlockTest,
+                        ::testing::Values(vp8_subtract_b_mmx));
+#endif
+
+#if HAVE_SSE2
+INSTANTIATE_TEST_CASE_P(SSE2, SubtractBlockTest,
+                        ::testing::Values(vp8_subtract_b_sse2));
+#endif
+
+}  // namespace