Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/test/vp9_subtract_test.cc

Index: third_party/libvpx/source/libvpx/test/vp9_subtract_test.cc
diff --git a/third_party/libvpx/source/libvpx/test/vp9_subtract_test.cc b/third_party/libvpx/source/libvpx/test/vp9_subtract_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fabb43824751988fcd08b623b5dda062ad77de06
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/test/vp9_subtract_test.cc
@@ -0,0 +1,103 @@
+/*
+ *  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 "./vp9_rtcd.h"
+#include "vp9/common/vp9_blockd.h"
+#include "vpx_mem/vpx_mem.h"
+
+typedef void (*SubtractFunc)(int rows, int cols,
+                             int16_t *diff_ptr, ptrdiff_t diff_stride,
+                             const uint8_t *src_ptr, ptrdiff_t src_stride,
+                             const uint8_t *pred_ptr, ptrdiff_t pred_stride);
+
+namespace vp9 {
+
+class VP9SubtractBlockTest : public ::testing::TestWithParam<SubtractFunc> {
+ public:
+  virtual void TearDown() {
+    libvpx_test::ClearSystemState();
+  }
+};
+
+using libvpx_test::ACMRandom;
+
+TEST_P(VP9SubtractBlockTest, SimpleSubtract) {
+  ACMRandom rnd(ACMRandom::DeterministicSeed());
+
+  // FIXME(rbultje) split in its own file
+  for (BLOCK_SIZE bsize = BLOCK_4X4; bsize < BLOCK_SIZES;
+       bsize = static_cast<BLOCK_SIZE>(static_cast<int>(bsize) + 1)) {
+    const int block_width = 4 * num_4x4_blocks_wide_lookup[bsize];
+    const int block_height = 4 * num_4x4_blocks_high_lookup[bsize];
+    int16_t *diff = reinterpret_cast<int16_t *>(
+        vpx_memalign(16, sizeof(*diff) * block_width * block_height * 2));
+    uint8_t *pred = reinterpret_cast<uint8_t *>(
+        vpx_memalign(16, block_width * block_height * 2));
+    uint8_t *src  = reinterpret_cast<uint8_t *>(
+        vpx_memalign(16, block_width * block_height * 2));
+
+    for (int n = 0; n < 100; n++) {
+      for (int r = 0; r < block_height; ++r) {
+        for (int c = 0; c < block_width * 2; ++c) {
+          src[r * block_width * 2 + c] = rnd.Rand8();
+          pred[r * block_width * 2 + c] = rnd.Rand8();
+        }
+      }
+
+      GetParam()(block_height, block_width, diff, block_width,
+                 src, block_width, pred, block_width);
+
+      for (int r = 0; r < block_height; ++r) {
+        for (int c = 0; c < block_width; ++c) {
+          EXPECT_EQ(diff[r * block_width + c],
+                    (src[r * block_width + c] -
+                     pred[r * block_width + c])) << "r = " << r
+                                                 << ", c = " << c
+                                                 << ", bs = " << bsize;
+        }
+      }
+
+      GetParam()(block_height, block_width, diff, block_width * 2,
+                 src, block_width * 2, pred, block_width * 2);
+
+      for (int r = 0; r < block_height; ++r) {
+        for (int c = 0; c < block_width; ++c) {
+          EXPECT_EQ(diff[r * block_width * 2 + c],
+                    (src[r * block_width * 2 + c] -
+                     pred[r * block_width * 2 + c])) << "r = " << r
+                                                     << ", c = " << c
+                                                     << ", bs = " << bsize;
+        }
+      }
+    }
+    vpx_free(diff);
+    vpx_free(pred);
+    vpx_free(src);
+  }
+}
+
+INSTANTIATE_TEST_CASE_P(C, VP9SubtractBlockTest,
+                        ::testing::Values(vp9_subtract_block_c));
+
+#if HAVE_SSE2 && CONFIG_USE_X86INC
+INSTANTIATE_TEST_CASE_P(SSE2, VP9SubtractBlockTest,
+                        ::testing::Values(vp9_subtract_block_sse2));
+#endif
+#if HAVE_NEON
+INSTANTIATE_TEST_CASE_P(NEON, VP9SubtractBlockTest,
+                        ::testing::Values(vp9_subtract_block_neon));
+#endif
+
+}  // namespace vp9