shithub: libvpx

Download patch

ref: 27beada6d033f15726807f1353ee181ddf0f02e2
parent: 67ac68e399f892e50455281215f28c042422f38e
parent: c167345ffb4ff1ad0d999b235eecc35a16dc1a70
author: Linfeng Zhang <linfengz@google.com>
date: Mon May 22 16:58:17 EDT 2017

Merge "Add vpx_highbd_idct{4x4,8x8,16x16}_1_add_sse2"

--- a/test/partial_idct_test.cc
+++ b/test/partial_idct_test.cc
@@ -650,6 +650,15 @@
   make_tuple(
       &vpx_highbd_fdct16x16_c, &highbd_wrapper<vpx_highbd_idct16x16_10_add_c>,
       &highbd_wrapper<vpx_highbd_idct16x16_10_add_sse2>, TX_16X16, 10, 12, 2),
+  make_tuple(
+      &vpx_highbd_fdct16x16_c, &highbd_wrapper<vpx_highbd_idct16x16_1_add_c>,
+      &highbd_wrapper<vpx_highbd_idct16x16_1_add_sse2>, TX_16X16, 1, 8, 2),
+  make_tuple(
+      &vpx_highbd_fdct16x16_c, &highbd_wrapper<vpx_highbd_idct16x16_1_add_c>,
+      &highbd_wrapper<vpx_highbd_idct16x16_1_add_sse2>, TX_16X16, 1, 10, 2),
+  make_tuple(
+      &vpx_highbd_fdct16x16_c, &highbd_wrapper<vpx_highbd_idct16x16_1_add_c>,
+      &highbd_wrapper<vpx_highbd_idct16x16_1_add_sse2>, TX_16X16, 1, 12, 2),
   make_tuple(&vpx_highbd_fdct8x8_c,
              &highbd_wrapper<vpx_highbd_idct8x8_64_add_c>,
              &highbd_wrapper<vpx_highbd_idct8x8_64_add_sse2>, TX_8X8, 64, 8, 2),
@@ -668,6 +677,12 @@
   make_tuple(
       &vpx_highbd_fdct8x8_c, &highbd_wrapper<vpx_highbd_idct8x8_12_add_c>,
       &highbd_wrapper<vpx_highbd_idct8x8_12_add_sse2>, TX_8X8, 12, 12, 2),
+  make_tuple(&vpx_highbd_fdct8x8_c, &highbd_wrapper<vpx_highbd_idct8x8_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct8x8_1_add_sse2>, TX_8X8, 1, 8, 2),
+  make_tuple(&vpx_highbd_fdct8x8_c, &highbd_wrapper<vpx_highbd_idct8x8_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct8x8_1_add_sse2>, TX_8X8, 1, 10, 2),
+  make_tuple(&vpx_highbd_fdct8x8_c, &highbd_wrapper<vpx_highbd_idct8x8_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct8x8_1_add_sse2>, TX_8X8, 1, 12, 2),
   make_tuple(&vpx_highbd_fdct4x4_c,
              &highbd_wrapper<vpx_highbd_idct4x4_16_add_c>,
              &highbd_wrapper<vpx_highbd_idct4x4_16_add_sse2>, TX_4X4, 16, 8, 2),
@@ -677,6 +692,12 @@
   make_tuple(
       &vpx_highbd_fdct4x4_c, &highbd_wrapper<vpx_highbd_idct4x4_16_add_c>,
       &highbd_wrapper<vpx_highbd_idct4x4_16_add_sse2>, TX_4X4, 16, 12, 2),
+  make_tuple(&vpx_highbd_fdct4x4_c, &highbd_wrapper<vpx_highbd_idct4x4_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct4x4_1_add_sse2>, TX_4X4, 1, 8, 2),
+  make_tuple(&vpx_highbd_fdct4x4_c, &highbd_wrapper<vpx_highbd_idct4x4_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct4x4_1_add_sse2>, TX_4X4, 1, 10, 2),
+  make_tuple(&vpx_highbd_fdct4x4_c, &highbd_wrapper<vpx_highbd_idct4x4_1_add_c>,
+             &highbd_wrapper<vpx_highbd_idct4x4_1_add_sse2>, TX_4X4, 1, 12, 2),
 #endif  // CONFIG_VP9_HIGHBITDEPTH
   make_tuple(&vpx_fdct32x32_c, &wrapper<vpx_idct32x32_1024_add_c>,
              &wrapper<vpx_idct32x32_1024_add_sse2>, TX_32X32, 1024, 8, 1),
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -629,18 +629,18 @@
 
   add_proto qw/void vpx_highbd_idct4x4_16_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct4x4_1_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
-  specialize qw/vpx_highbd_idct4x4_1_add neon/;
+  specialize qw/vpx_highbd_idct4x4_1_add neon sse2/;
 
   add_proto qw/void vpx_highbd_idct8x8_64_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct8x8_12_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct8x8_1_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
-  specialize qw/vpx_highbd_idct8x8_1_add neon/;
+  specialize qw/vpx_highbd_idct8x8_1_add neon sse2/;
 
   add_proto qw/void vpx_highbd_idct16x16_256_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct16x16_38_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct16x16_10_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct16x16_1_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
-  specialize qw/vpx_highbd_idct16x16_1_add neon/;
+  specialize qw/vpx_highbd_idct16x16_1_add neon sse2/;
 
   add_proto qw/void vpx_highbd_idct32x32_1024_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
   add_proto qw/void vpx_highbd_idct32x32_135_add/, "const tran_low_t *input, uint16_t *dest, int stride, int bd";
--- a/vpx_dsp/x86/highbd_idct16x16_add_sse2.c
+++ b/vpx_dsp/x86/highbd_idct16x16_add_sse2.c
@@ -242,3 +242,8 @@
     }
   }
 }
+
+void vpx_highbd_idct16x16_1_add_sse2(const tran_low_t *input, uint16_t *dest,
+                                     int stride, int bd) {
+  highbd_idct_1_add_kernel(input, dest, stride, bd, 16);
+}
--- a/vpx_dsp/x86/highbd_idct32x32_add_sse2.c
+++ b/vpx_dsp/x86/highbd_idct32x32_add_sse2.c
@@ -9,6 +9,7 @@
  */
 
 #include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h"
 #include "vpx_dsp/x86/inv_txfm_sse2.h"
 #include "vpx_dsp/x86/transpose_sse2.h"
 #include "vpx_dsp/x86/txfm_common_sse2.h"
@@ -15,27 +16,5 @@
 
 void vpx_highbd_idct32x32_1_add_sse2(const tran_low_t *input, uint16_t *dest,
                                      int stride, int bd) {
-  __m128i dc_value, d;
-  const __m128i zero = _mm_setzero_si128();
-  const __m128i one = _mm_set1_epi16(1);
-  const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one);
-  int a, i, j;
-  tran_low_t out;
-
-  out = HIGHBD_WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), bd);
-  out = HIGHBD_WRAPLOW(dct_const_round_shift(out * cospi_16_64), bd);
-  a = ROUND_POWER_OF_TWO(out, 6);
-
-  d = _mm_set1_epi32(a);
-  dc_value = _mm_packs_epi32(d, d);
-  for (i = 0; i < 32; ++i) {
-    for (j = 0; j < 4; ++j) {
-      d = _mm_loadu_si128((const __m128i *)(&dest[j * 8]));
-      d = _mm_adds_epi16(d, dc_value);
-      d = _mm_max_epi16(d, zero);
-      d = _mm_min_epi16(d, max);
-      _mm_storeu_si128((__m128i *)(&dest[j * 8]), d);
-    }
-    dest += stride;
-  }
+  highbd_idct_1_add_kernel(input, dest, stride, bd, 32);
 }
--- a/vpx_dsp/x86/highbd_idct4x4_add_sse2.c
+++ b/vpx_dsp/x86/highbd_idct4x4_add_sse2.c
@@ -127,3 +127,26 @@
     }
   }
 }
+
+void vpx_highbd_idct4x4_1_add_sse2(const tran_low_t *input, uint16_t *dest,
+                                   int stride, int bd) {
+  const __m128i zero = _mm_setzero_si128();
+  // Faster than _mm_set1_epi16((1 << bd) - 1).
+  const __m128i one = _mm_set1_epi16(1);
+  const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one);
+  int a1, i;
+  tran_low_t out;
+  __m128i dc, d;
+
+  out = HIGHBD_WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), bd);
+  out = HIGHBD_WRAPLOW(dct_const_round_shift(out * cospi_16_64), bd);
+  a1 = ROUND_POWER_OF_TWO(out, 4);
+  dc = _mm_set1_epi16(a1);
+
+  for (i = 0; i < 4; ++i) {
+    d = _mm_loadl_epi64((const __m128i *)dest);
+    d = add_dc_clamp(&zero, &max, &dc, &d);
+    _mm_storel_epi64((__m128i *)dest, d);
+    dest += stride;
+  }
+}
--- a/vpx_dsp/x86/highbd_idct8x8_add_sse2.c
+++ b/vpx_dsp/x86/highbd_idct8x8_add_sse2.c
@@ -214,3 +214,8 @@
     }
   }
 }
+
+void vpx_highbd_idct8x8_1_add_sse2(const tran_low_t *input, uint16_t *dest,
+                                   int stride, int bd) {
+  highbd_idct_1_add_kernel(input, dest, stride, bd, 8);
+}
--- a/vpx_dsp/x86/highbd_inv_txfm_sse2.h
+++ b/vpx_dsp/x86/highbd_inv_txfm_sse2.h
@@ -17,6 +17,43 @@
 #include "vpx_dsp/inv_txfm.h"
 #include "vpx_dsp/x86/txfm_common_sse2.h"
 
+static INLINE __m128i add_dc_clamp(const __m128i *const min,
+                                   const __m128i *const max,
+                                   const __m128i *const dc,
+                                   const __m128i *const in) {
+  __m128i out;
+  out = _mm_adds_epi16(*in, *dc);
+  out = _mm_max_epi16(out, *min);
+  out = _mm_min_epi16(out, *max);
+  return out;
+}
+
+static INLINE void highbd_idct_1_add_kernel(const tran_low_t *input,
+                                            uint16_t *dest, int stride, int bd,
+                                            const int size) {
+  const __m128i zero = _mm_setzero_si128();
+  // Faster than _mm_set1_epi16((1 << bd) - 1).
+  const __m128i one = _mm_set1_epi16(1);
+  const __m128i max = _mm_sub_epi16(_mm_slli_epi16(one, bd), one);
+  int a1, i, j;
+  tran_low_t out;
+  __m128i dc, d;
+
+  out = HIGHBD_WRAPLOW(dct_const_round_shift(input[0] * cospi_16_64), bd);
+  out = HIGHBD_WRAPLOW(dct_const_round_shift(out * cospi_16_64), bd);
+  a1 = ROUND_POWER_OF_TWO(out, (size == 8) ? 5 : 6);
+  dc = _mm_set1_epi16(a1);
+
+  for (i = 0; i < size; ++i) {
+    for (j = 0; j < (size >> 3); ++j) {
+      d = _mm_load_si128((const __m128i *)(&dest[j * 8]));
+      d = add_dc_clamp(&zero, &max, &dc, &d);
+      _mm_store_si128((__m128i *)(&dest[j * 8]), d);
+    }
+    dest += stride;
+  }
+}
+
 static INLINE __m128i clamp_high_sse2(__m128i value, int bd) {
   __m128i ubounded, retval;
   const __m128i zero = _mm_set1_epi16(0);