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-rw-r--r--third_party/aom/av1/common/x86/av1_highbd_convolve_sse4.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/av1_highbd_convolve_sse4.c b/third_party/aom/av1/common/x86/av1_highbd_convolve_sse4.c
new file mode 100644
index 0000000000..212d3bd723
--- /dev/null
+++ b/third_party/aom/av1/common/x86/av1_highbd_convolve_sse4.c
@@ -0,0 +1,205 @@
+/*
+ * 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 <smmintrin.h>
+
+#include "config/av1_rtcd.h"
+
+#include "av1/common/filter.h"
+
+typedef void (*TransposeSave)(int width, int pixelsNum, uint32_t *src,
+ int src_stride, uint16_t *dst, int dst_stride,
+ int bd);
+
+// pixelsNum 0: write all 4 pixels
+// 1/2/3: residual pixels 1/2/3
+static void writePixel(__m128i *u, int width, int pixelsNum, uint16_t *dst,
+ int dst_stride) {
+ if (2 == width) {
+ if (0 == pixelsNum) {
+ *(int *)dst = _mm_cvtsi128_si32(u[0]);
+ *(int *)(dst + dst_stride) = _mm_cvtsi128_si32(u[1]);
+ *(int *)(dst + 2 * dst_stride) = _mm_cvtsi128_si32(u[2]);
+ *(int *)(dst + 3 * dst_stride) = _mm_cvtsi128_si32(u[3]);
+ } else if (1 == pixelsNum) {
+ *(int *)dst = _mm_cvtsi128_si32(u[0]);
+ } else if (2 == pixelsNum) {
+ *(int *)dst = _mm_cvtsi128_si32(u[0]);
+ *(int *)(dst + dst_stride) = _mm_cvtsi128_si32(u[1]);
+ } else if (3 == pixelsNum) {
+ *(int *)dst = _mm_cvtsi128_si32(u[0]);
+ *(int *)(dst + dst_stride) = _mm_cvtsi128_si32(u[1]);
+ *(int *)(dst + 2 * dst_stride) = _mm_cvtsi128_si32(u[2]);
+ }
+ } else {
+ if (0 == pixelsNum) {
+ _mm_storel_epi64((__m128i *)dst, u[0]);
+ _mm_storel_epi64((__m128i *)(dst + dst_stride), u[1]);
+ _mm_storel_epi64((__m128i *)(dst + 2 * dst_stride), u[2]);
+ _mm_storel_epi64((__m128i *)(dst + 3 * dst_stride), u[3]);
+ } else if (1 == pixelsNum) {
+ _mm_storel_epi64((__m128i *)dst, u[0]);
+ } else if (2 == pixelsNum) {
+ _mm_storel_epi64((__m128i *)dst, u[0]);
+ _mm_storel_epi64((__m128i *)(dst + dst_stride), u[1]);
+ } else if (3 == pixelsNum) {
+ _mm_storel_epi64((__m128i *)dst, u[0]);
+ _mm_storel_epi64((__m128i *)(dst + dst_stride), u[1]);
+ _mm_storel_epi64((__m128i *)(dst + 2 * dst_stride), u[2]);
+ }
+ }
+}
+
+// 16-bit pixels clip with bd (10/12)
+static void highbd_clip(__m128i *p, int numVecs, int bd) {
+ 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);
+ __m128i clamped, mask;
+ int i;
+
+ for (i = 0; i < numVecs; i++) {
+ mask = _mm_cmpgt_epi16(p[i], max);
+ clamped = _mm_andnot_si128(mask, p[i]);
+ mask = _mm_and_si128(mask, max);
+ clamped = _mm_or_si128(mask, clamped);
+ mask = _mm_cmpgt_epi16(clamped, zero);
+ p[i] = _mm_and_si128(clamped, mask);
+ }
+}
+
+static void transClipPixel(uint32_t *src, int src_stride, __m128i *u, int bd) {
+ __m128i v0, v1;
+ __m128i rnd = _mm_set1_epi32(1 << (FILTER_BITS - 1));
+
+ u[0] = _mm_loadu_si128((__m128i const *)src);
+ u[1] = _mm_loadu_si128((__m128i const *)(src + src_stride));
+ u[2] = _mm_loadu_si128((__m128i const *)(src + 2 * src_stride));
+ u[3] = _mm_loadu_si128((__m128i const *)(src + 3 * src_stride));
+
+ u[0] = _mm_add_epi32(u[0], rnd);
+ u[1] = _mm_add_epi32(u[1], rnd);
+ u[2] = _mm_add_epi32(u[2], rnd);
+ u[3] = _mm_add_epi32(u[3], rnd);
+
+ u[0] = _mm_srai_epi32(u[0], FILTER_BITS);
+ u[1] = _mm_srai_epi32(u[1], FILTER_BITS);
+ u[2] = _mm_srai_epi32(u[2], FILTER_BITS);
+ u[3] = _mm_srai_epi32(u[3], FILTER_BITS);
+
+ u[0] = _mm_packus_epi32(u[0], u[1]);
+ u[1] = _mm_packus_epi32(u[2], u[3]);
+
+ highbd_clip(u, 2, bd);
+
+ v0 = _mm_unpacklo_epi16(u[0], u[1]);
+ v1 = _mm_unpackhi_epi16(u[0], u[1]);
+
+ u[0] = _mm_unpacklo_epi16(v0, v1);
+ u[2] = _mm_unpackhi_epi16(v0, v1);
+
+ u[1] = _mm_srli_si128(u[0], 8);
+ u[3] = _mm_srli_si128(u[2], 8);
+}
+
+// pixelsNum = 0 : all 4 rows of pixels will be saved.
+// pixelsNum = 1/2/3 : residual 1/2/4 rows of pixels will be saved.
+void trans_save_4x4(int width, int pixelsNum, uint32_t *src, int src_stride,
+ uint16_t *dst, int dst_stride, int bd) {
+ __m128i u[4];
+ transClipPixel(src, src_stride, u, bd);
+ writePixel(u, width, pixelsNum, dst, dst_stride);
+}
+
+void trans_accum_save_4x4(int width, int pixelsNum, uint32_t *src,
+ int src_stride, uint16_t *dst, int dst_stride,
+ int bd) {
+ __m128i u[4], v[4];
+ const __m128i ones = _mm_set1_epi16(1);
+
+ transClipPixel(src, src_stride, u, bd);
+
+ v[0] = _mm_loadl_epi64((__m128i const *)dst);
+ v[1] = _mm_loadl_epi64((__m128i const *)(dst + dst_stride));
+ v[2] = _mm_loadl_epi64((__m128i const *)(dst + 2 * dst_stride));
+ v[3] = _mm_loadl_epi64((__m128i const *)(dst + 3 * dst_stride));
+
+ u[0] = _mm_add_epi16(u[0], v[0]);
+ u[1] = _mm_add_epi16(u[1], v[1]);
+ u[2] = _mm_add_epi16(u[2], v[2]);
+ u[3] = _mm_add_epi16(u[3], v[3]);
+
+ u[0] = _mm_add_epi16(u[0], ones);
+ u[1] = _mm_add_epi16(u[1], ones);
+ u[2] = _mm_add_epi16(u[2], ones);
+ u[3] = _mm_add_epi16(u[3], ones);
+
+ u[0] = _mm_srai_epi16(u[0], 1);
+ u[1] = _mm_srai_epi16(u[1], 1);
+ u[2] = _mm_srai_epi16(u[2], 1);
+ u[3] = _mm_srai_epi16(u[3], 1);
+
+ writePixel(u, width, pixelsNum, dst, dst_stride);
+}
+
+// Vertical convolutional filter
+
+typedef void (*WritePixels)(__m128i *u, int bd, uint16_t *dst);
+
+static void highbdRndingPacks(__m128i *u) {
+ __m128i rnd = _mm_set1_epi32(1 << (FILTER_BITS - 1));
+ u[0] = _mm_add_epi32(u[0], rnd);
+ u[0] = _mm_srai_epi32(u[0], FILTER_BITS);
+ u[0] = _mm_packus_epi32(u[0], u[0]);
+}
+
+static void write2pixelsOnly(__m128i *u, int bd, uint16_t *dst) {
+ highbdRndingPacks(u);
+ highbd_clip(u, 1, bd);
+ *(uint32_t *)dst = _mm_cvtsi128_si32(u[0]);
+}
+
+static void write2pixelsAccum(__m128i *u, int bd, uint16_t *dst) {
+ __m128i v = _mm_loadl_epi64((__m128i const *)dst);
+ const __m128i ones = _mm_set1_epi16(1);
+
+ highbdRndingPacks(u);
+ highbd_clip(u, 1, bd);
+
+ v = _mm_add_epi16(v, u[0]);
+ v = _mm_add_epi16(v, ones);
+ v = _mm_srai_epi16(v, 1);
+ *(uint32_t *)dst = _mm_cvtsi128_si32(v);
+}
+
+WritePixels write2pixelsTab[2] = { write2pixelsOnly, write2pixelsAccum };
+
+static void write4pixelsOnly(__m128i *u, int bd, uint16_t *dst) {
+ highbdRndingPacks(u);
+ highbd_clip(u, 1, bd);
+ _mm_storel_epi64((__m128i *)dst, u[0]);
+}
+
+static void write4pixelsAccum(__m128i *u, int bd, uint16_t *dst) {
+ __m128i v = _mm_loadl_epi64((__m128i const *)dst);
+ const __m128i ones = _mm_set1_epi16(1);
+
+ highbdRndingPacks(u);
+ highbd_clip(u, 1, bd);
+
+ v = _mm_add_epi16(v, u[0]);
+ v = _mm_add_epi16(v, ones);
+ v = _mm_srai_epi16(v, 1);
+ _mm_storel_epi64((__m128i *)dst, v);
+}
+
+WritePixels write4pixelsTab[2] = { write4pixelsOnly, write4pixelsAccum };