avx2 interpolate use 8 bit

unit_test/planar_test.cc

 /*
  *  Copyright 2011 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.
  */
 
@@ skipping 922 matching lines @@
   EXPECT_EQ(8u, interpolate_pixels[0][1]);
   EXPECT_EQ(16u, interpolate_pixels[0][2]);
   EXPECT_EQ(32u, interpolate_pixels[0][3]);
 
   for (int i = 0; i < benchmark_pixels_div1280_; ++i) {
     ARGBInterpolate(&orig_pixels_0[0][0], 0, &orig_pixels_1[0][0], 0,
                     &interpolate_pixels[0][0], 0, 1280, 1, 128);
   }
 }
 
-
 TEST_F(LibYUVPlanarTest, TestInterpolatePlane) {
   SIMD_ALIGNED(uint8 orig_pixels_0[1280]);
   SIMD_ALIGNED(uint8 orig_pixels_1[1280]);
   SIMD_ALIGNED(uint8 interpolate_pixels[1280]);
   memset(orig_pixels_0, 0, sizeof(orig_pixels_0));
   memset(orig_pixels_1, 0, sizeof(orig_pixels_1));
 
   orig_pixels_0[0] = 16u;
   orig_pixels_0[1] = 32u;
   orig_pixels_0[2] = 64u;
@@ skipping 63 matching lines @@
   EXPECT_EQ(32u, interpolate_pixels[3]);
 
   for (int i = 0; i < benchmark_pixels_div1280_; ++i) {
     InterpolatePlane(&orig_pixels_0[0], 0, &orig_pixels_1[0], 0,
                      &interpolate_pixels[0], 0, 1280, 1, 123);
   }
 }
 
 #define TESTTERP(FMT_A, BPP_A, STRIDE_A,                                       \
                  FMT_B, BPP_B, STRIDE_B,                                       \
-                 W1280, TERP, DIFF, N, NEG, OFF)                               \
+                 W1280, TERP, N, NEG, OFF)                               \
 TEST_F(LibYUVPlanarTest, ARGBInterpolate##TERP##N) {                           \
   const int kWidth = ((W1280) > 0) ? (W1280) : 1;                              \
   const int kHeight = benchmark_height_;                                       \
   const int kStrideA = (kWidth * BPP_A + STRIDE_A - 1) / STRIDE_A * STRIDE_A;  \
   const int kStrideB = (kWidth * BPP_B + STRIDE_B - 1) / STRIDE_B * STRIDE_B;  \
   align_buffer_64(src_argb_a, kStrideA * kHeight + OFF);                       \
   align_buffer_64(src_argb_b, kStrideA * kHeight + OFF);                       \
   align_buffer_64(dst_argb_c, kStrideB * kHeight);                             \
   align_buffer_64(dst_argb_opt, kStrideB * kHeight);                           \
   for (int i = 0; i < kStrideA * kHeight; ++i) {                               \
     src_argb_a[i + OFF] = (fastrand() & 0xff);                                 \
     src_argb_b[i + OFF] = (fastrand() & 0xff);                                 \
   }                                                                            \
   MaskCpuFlags(disable_cpu_flags_);                                            \
   ARGBInterpolate(src_argb_a + OFF, kStrideA,                                  \
                   src_argb_b + OFF, kStrideA,                                  \
                   dst_argb_c, kStrideB,                                        \
                   kWidth, NEG kHeight, TERP);                                  \
   MaskCpuFlags(benchmark_cpu_info_);                                           \
   for (int i = 0; i < benchmark_iterations_; ++i) {                            \
     ARGBInterpolate(src_argb_a + OFF, kStrideA,                                \
                     src_argb_b + OFF, kStrideA,                                \
                     dst_argb_opt, kStrideB,                                    \
                     kWidth, NEG kHeight, TERP);                                \
   }                                                                            \
-  int max_diff = 0;                                                            \
   for (int i = 0; i < kStrideB * kHeight; ++i) {                               \
-    int abs_diff =                                                             \
-        abs(static_cast<int>(dst_argb_c[i]) -                                  \
-            static_cast<int>(dst_argb_opt[i]));                                \
-    if (abs_diff > max_diff) {                                                 \
-      max_diff = abs_diff;                                                     \
-    }                                                                          \
+    EXPECT_EQ(dst_argb_c[i], dst_argb_opt[i]);                                 \
   }                                                                            \
-  EXPECT_LE(max_diff, DIFF);                                                   \
   free_aligned_buffer_64(src_argb_a);                                          \
   free_aligned_buffer_64(src_argb_b);                                          \
   free_aligned_buffer_64(dst_argb_c);                                          \
   free_aligned_buffer_64(dst_argb_opt);                                        \
 }
 
 #define TESTINTERPOLATE(TERP)                                                  \
-    TESTTERP(ARGB, 4, 1, ARGB, 4, 1,                                           \
-             benchmark_width_ - 1, TERP, 1, _Any, +, 0)                        \
-    TESTTERP(ARGB, 4, 1, ARGB, 4, 1,                                           \
-             benchmark_width_, TERP, 1, _Unaligned, +, 1)                      \
-    TESTTERP(ARGB, 4, 1, ARGB, 4, 1,                                           \
-             benchmark_width_, TERP, 1, _Invert, -, 0)                         \
-    TESTTERP(ARGB, 4, 1, ARGB, 4, 1,                                           \
-             benchmark_width_, TERP, 1, _Opt, +, 0)                            \
-    TESTTERP(ARGB, 4, 1, ARGB, 4, 1,                                           \
-             benchmark_width_ - 1, TERP, 1, _Any_Invert, -, 0)
+    TESTTERP(ARGB, 4, 1, ARGB, 4, 1, benchmark_width_ - 1, TERP, _Any, +, 0)   \
+    TESTTERP(ARGB, 4, 1, ARGB, 4, 1, benchmark_width_, TERP, _Unaligned, +, 1) \
+    TESTTERP(ARGB, 4, 1, ARGB, 4, 1, benchmark_width_, TERP, _Invert, -, 0)    \
+    TESTTERP(ARGB, 4, 1, ARGB, 4, 1, benchmark_width_, TERP, _Opt, +, 0)
 
 TESTINTERPOLATE(0)
 TESTINTERPOLATE(64)
 TESTINTERPOLATE(128)
 TESTINTERPOLATE(192)
 TESTINTERPOLATE(255)
 
 static int TestBlend(int width, int height, int benchmark_iterations,
                      int disable_cpu_flags, int benchmark_cpu_info,
                      int invert, int off) {
@@ skipping 1550 matching lines @@
 
 TEST_F(LibYUVPlanarTest, SetPlane_Opt) {
   int max_diff = TestARGBRect(benchmark_width_, benchmark_height_,
                               benchmark_iterations_,
                               disable_cpu_flags_, benchmark_cpu_info_,
                               +1, 0, 1);
   EXPECT_EQ(0, max_diff);
 }
 
 }  // namespace libyuv