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-rw-r--r--third_party/aom/aom_dsp/x86/obmc_sad_sse4.c268
1 files changed, 268 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/obmc_sad_sse4.c b/third_party/aom/aom_dsp/x86/obmc_sad_sse4.c
new file mode 100644
index 0000000000..0338a8c777
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/obmc_sad_sse4.c
@@ -0,0 +1,268 @@
+/*
+ * 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 <assert.h>
+#include <immintrin.h>
+
+#include "config/aom_config.h"
+
+#include "aom_ports/mem.h"
+#include "aom/aom_integer.h"
+
+#include "aom_dsp/aom_dsp_common.h"
+#include "aom_dsp/x86/obmc_intrinsic_ssse3.h"
+#include "aom_dsp/x86/synonyms.h"
+
+////////////////////////////////////////////////////////////////////////////////
+// 8 bit
+////////////////////////////////////////////////////////////////////////////////
+
+static AOM_FORCE_INLINE unsigned int obmc_sad_w4(const uint8_t *pre,
+ const int pre_stride,
+ const int32_t *wsrc,
+ const int32_t *mask,
+ const int height) {
+ const int pre_step = pre_stride - 4;
+ int n = 0;
+ __m128i v_sad_d = _mm_setzero_si128();
+
+ do {
+ const __m128i v_p_b = xx_loadl_32(pre + n);
+ const __m128i v_m_d = xx_load_128(mask + n);
+ const __m128i v_w_d = xx_load_128(wsrc + n);
+
+ const __m128i v_p_d = _mm_cvtepu8_epi32(v_p_b);
+
+ // Values in both pre and mask fit in 15 bits, and are packed at 32 bit
+ // boundaries. We use pmaddwd, as it has lower latency on Haswell
+ // than pmulld but produces the same result with these inputs.
+ const __m128i v_pm_d = _mm_madd_epi16(v_p_d, v_m_d);
+
+ const __m128i v_diff_d = _mm_sub_epi32(v_w_d, v_pm_d);
+ const __m128i v_absdiff_d = _mm_abs_epi32(v_diff_d);
+
+ // Rounded absolute difference
+ const __m128i v_rad_d = xx_roundn_epu32(v_absdiff_d, 12);
+
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad_d);
+
+ n += 4;
+
+ if (n % 4 == 0) pre += pre_step;
+ } while (n < 4 * height);
+
+ return xx_hsum_epi32_si32(v_sad_d);
+}
+
+static AOM_FORCE_INLINE unsigned int obmc_sad_w8n(
+ const uint8_t *pre, const int pre_stride, const int32_t *wsrc,
+ const int32_t *mask, const int width, const int height) {
+ const int pre_step = pre_stride - width;
+ int n = 0;
+ __m128i v_sad_d = _mm_setzero_si128();
+
+ assert(width >= 8);
+ assert(IS_POWER_OF_TWO(width));
+
+ do {
+ const __m128i v_p1_b = xx_loadl_32(pre + n + 4);
+ const __m128i v_m1_d = xx_load_128(mask + n + 4);
+ const __m128i v_w1_d = xx_load_128(wsrc + n + 4);
+ const __m128i v_p0_b = xx_loadl_32(pre + n);
+ const __m128i v_m0_d = xx_load_128(mask + n);
+ const __m128i v_w0_d = xx_load_128(wsrc + n);
+
+ const __m128i v_p0_d = _mm_cvtepu8_epi32(v_p0_b);
+ const __m128i v_p1_d = _mm_cvtepu8_epi32(v_p1_b);
+
+ // Values in both pre and mask fit in 15 bits, and are packed at 32 bit
+ // boundaries. We use pmaddwd, as it has lower latency on Haswell
+ // than pmulld but produces the same result with these inputs.
+ const __m128i v_pm0_d = _mm_madd_epi16(v_p0_d, v_m0_d);
+ const __m128i v_pm1_d = _mm_madd_epi16(v_p1_d, v_m1_d);
+
+ const __m128i v_diff0_d = _mm_sub_epi32(v_w0_d, v_pm0_d);
+ const __m128i v_diff1_d = _mm_sub_epi32(v_w1_d, v_pm1_d);
+ const __m128i v_absdiff0_d = _mm_abs_epi32(v_diff0_d);
+ const __m128i v_absdiff1_d = _mm_abs_epi32(v_diff1_d);
+
+ // Rounded absolute difference
+ const __m128i v_rad0_d = xx_roundn_epu32(v_absdiff0_d, 12);
+ const __m128i v_rad1_d = xx_roundn_epu32(v_absdiff1_d, 12);
+
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad0_d);
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad1_d);
+
+ n += 8;
+
+ if (n % width == 0) pre += pre_step;
+ } while (n < width * height);
+
+ return xx_hsum_epi32_si32(v_sad_d);
+}
+
+#define OBMCSADWXH(w, h) \
+ unsigned int aom_obmc_sad##w##x##h##_sse4_1( \
+ const uint8_t *pre, int pre_stride, const int32_t *wsrc, \
+ const int32_t *msk) { \
+ if (w == 4) { \
+ return obmc_sad_w4(pre, pre_stride, wsrc, msk, h); \
+ } else { \
+ return obmc_sad_w8n(pre, pre_stride, wsrc, msk, w, h); \
+ } \
+ }
+
+OBMCSADWXH(128, 128)
+OBMCSADWXH(128, 64)
+OBMCSADWXH(64, 128)
+OBMCSADWXH(64, 64)
+OBMCSADWXH(64, 32)
+OBMCSADWXH(32, 64)
+OBMCSADWXH(32, 32)
+OBMCSADWXH(32, 16)
+OBMCSADWXH(16, 32)
+OBMCSADWXH(16, 16)
+OBMCSADWXH(16, 8)
+OBMCSADWXH(8, 16)
+OBMCSADWXH(8, 8)
+OBMCSADWXH(8, 4)
+OBMCSADWXH(4, 8)
+OBMCSADWXH(4, 4)
+OBMCSADWXH(4, 16)
+OBMCSADWXH(16, 4)
+OBMCSADWXH(8, 32)
+OBMCSADWXH(32, 8)
+OBMCSADWXH(16, 64)
+OBMCSADWXH(64, 16)
+
+////////////////////////////////////////////////////////////////////////////////
+// High bit-depth
+////////////////////////////////////////////////////////////////////////////////
+
+static AOM_FORCE_INLINE unsigned int hbd_obmc_sad_w4(const uint8_t *pre8,
+ const int pre_stride,
+ const int32_t *wsrc,
+ const int32_t *mask,
+ const int height) {
+ const uint16_t *pre = CONVERT_TO_SHORTPTR(pre8);
+ const int pre_step = pre_stride - 4;
+ int n = 0;
+ __m128i v_sad_d = _mm_setzero_si128();
+
+ do {
+ const __m128i v_p_w = xx_loadl_64(pre + n);
+ const __m128i v_m_d = xx_load_128(mask + n);
+ const __m128i v_w_d = xx_load_128(wsrc + n);
+
+ const __m128i v_p_d = _mm_cvtepu16_epi32(v_p_w);
+
+ // Values in both pre and mask fit in 15 bits, and are packed at 32 bit
+ // boundaries. We use pmaddwd, as it has lower latency on Haswell
+ // than pmulld but produces the same result with these inputs.
+ const __m128i v_pm_d = _mm_madd_epi16(v_p_d, v_m_d);
+
+ const __m128i v_diff_d = _mm_sub_epi32(v_w_d, v_pm_d);
+ const __m128i v_absdiff_d = _mm_abs_epi32(v_diff_d);
+
+ // Rounded absolute difference
+ const __m128i v_rad_d = xx_roundn_epu32(v_absdiff_d, 12);
+
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad_d);
+
+ n += 4;
+
+ if (n % 4 == 0) pre += pre_step;
+ } while (n < 4 * height);
+
+ return xx_hsum_epi32_si32(v_sad_d);
+}
+
+static AOM_FORCE_INLINE unsigned int hbd_obmc_sad_w8n(
+ const uint8_t *pre8, const int pre_stride, const int32_t *wsrc,
+ const int32_t *mask, const int width, const int height) {
+ const uint16_t *pre = CONVERT_TO_SHORTPTR(pre8);
+ const int pre_step = pre_stride - width;
+ int n = 0;
+ __m128i v_sad_d = _mm_setzero_si128();
+
+ assert(width >= 8);
+ assert(IS_POWER_OF_TWO(width));
+
+ do {
+ const __m128i v_p1_w = xx_loadl_64(pre + n + 4);
+ const __m128i v_m1_d = xx_load_128(mask + n + 4);
+ const __m128i v_w1_d = xx_load_128(wsrc + n + 4);
+ const __m128i v_p0_w = xx_loadl_64(pre + n);
+ const __m128i v_m0_d = xx_load_128(mask + n);
+ const __m128i v_w0_d = xx_load_128(wsrc + n);
+
+ const __m128i v_p0_d = _mm_cvtepu16_epi32(v_p0_w);
+ const __m128i v_p1_d = _mm_cvtepu16_epi32(v_p1_w);
+
+ // Values in both pre and mask fit in 15 bits, and are packed at 32 bit
+ // boundaries. We use pmaddwd, as it has lower latency on Haswell
+ // than pmulld but produces the same result with these inputs.
+ const __m128i v_pm0_d = _mm_madd_epi16(v_p0_d, v_m0_d);
+ const __m128i v_pm1_d = _mm_madd_epi16(v_p1_d, v_m1_d);
+
+ const __m128i v_diff0_d = _mm_sub_epi32(v_w0_d, v_pm0_d);
+ const __m128i v_diff1_d = _mm_sub_epi32(v_w1_d, v_pm1_d);
+ const __m128i v_absdiff0_d = _mm_abs_epi32(v_diff0_d);
+ const __m128i v_absdiff1_d = _mm_abs_epi32(v_diff1_d);
+
+ // Rounded absolute difference
+ const __m128i v_rad0_d = xx_roundn_epu32(v_absdiff0_d, 12);
+ const __m128i v_rad1_d = xx_roundn_epu32(v_absdiff1_d, 12);
+
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad0_d);
+ v_sad_d = _mm_add_epi32(v_sad_d, v_rad1_d);
+
+ n += 8;
+
+ if (n % width == 0) pre += pre_step;
+ } while (n < width * height);
+
+ return xx_hsum_epi32_si32(v_sad_d);
+}
+
+#define HBD_OBMCSADWXH(w, h) \
+ unsigned int aom_highbd_obmc_sad##w##x##h##_sse4_1( \
+ const uint8_t *pre, int pre_stride, const int32_t *wsrc, \
+ const int32_t *mask) { \
+ if (w == 4) { \
+ return hbd_obmc_sad_w4(pre, pre_stride, wsrc, mask, h); \
+ } else { \
+ return hbd_obmc_sad_w8n(pre, pre_stride, wsrc, mask, w, h); \
+ } \
+ }
+
+HBD_OBMCSADWXH(128, 128)
+HBD_OBMCSADWXH(128, 64)
+HBD_OBMCSADWXH(64, 128)
+HBD_OBMCSADWXH(64, 64)
+HBD_OBMCSADWXH(64, 32)
+HBD_OBMCSADWXH(32, 64)
+HBD_OBMCSADWXH(32, 32)
+HBD_OBMCSADWXH(32, 16)
+HBD_OBMCSADWXH(16, 32)
+HBD_OBMCSADWXH(16, 16)
+HBD_OBMCSADWXH(16, 8)
+HBD_OBMCSADWXH(8, 16)
+HBD_OBMCSADWXH(8, 8)
+HBD_OBMCSADWXH(8, 4)
+HBD_OBMCSADWXH(4, 8)
+HBD_OBMCSADWXH(4, 4)
+HBD_OBMCSADWXH(4, 16)
+HBD_OBMCSADWXH(16, 4)
+HBD_OBMCSADWXH(8, 32)
+HBD_OBMCSADWXH(32, 8)
+HBD_OBMCSADWXH(16, 64)
+HBD_OBMCSADWXH(64, 16)