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Unified Diff: source/libvpx/vp9/common/arm/neon/vp9_loopfilter_4_neon.c

Issue 812033011: libvpx: Pull from upstream (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/libvpx/
Patch Set: Created 5 years, 11 months ago
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Index: source/libvpx/vp9/common/arm/neon/vp9_loopfilter_4_neon.c
===================================================================
--- source/libvpx/vp9/common/arm/neon/vp9_loopfilter_4_neon.c (revision 0)
+++ source/libvpx/vp9/common/arm/neon/vp9_loopfilter_4_neon.c (working copy)
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2014 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 <arm_neon.h>
+
+#include "./vpx_config.h"
+
+static INLINE void vp9_loop_filter_neon(
+ uint8x8_t dblimit, // flimit
+ uint8x8_t dlimit, // limit
+ uint8x8_t dthresh, // thresh
+ uint8x8_t d3u8, // p3
+ uint8x8_t d4u8, // p2
+ uint8x8_t d5u8, // p1
+ uint8x8_t d6u8, // p0
+ uint8x8_t d7u8, // q0
+ uint8x8_t d16u8, // q1
+ uint8x8_t d17u8, // q2
+ uint8x8_t d18u8, // q3
+ uint8x8_t *d4ru8, // p1
+ uint8x8_t *d5ru8, // p0
+ uint8x8_t *d6ru8, // q0
+ uint8x8_t *d7ru8) { // q1
+ uint8x8_t d19u8, d20u8, d21u8, d22u8, d23u8, d27u8, d28u8;
+ int16x8_t q12s16;
+ int8x8_t d19s8, d20s8, d21s8, d26s8, d27s8, d28s8;
+
+ d19u8 = vabd_u8(d3u8, d4u8);
+ d20u8 = vabd_u8(d4u8, d5u8);
+ d21u8 = vabd_u8(d5u8, d6u8);
+ d22u8 = vabd_u8(d16u8, d7u8);
+ d3u8 = vabd_u8(d17u8, d16u8);
+ d4u8 = vabd_u8(d18u8, d17u8);
+
+ d19u8 = vmax_u8(d19u8, d20u8);
+ d20u8 = vmax_u8(d21u8, d22u8);
+ d3u8 = vmax_u8(d3u8, d4u8);
+ d23u8 = vmax_u8(d19u8, d20u8);
+
+ d17u8 = vabd_u8(d6u8, d7u8);
+
+ d21u8 = vcgt_u8(d21u8, dthresh);
+ d22u8 = vcgt_u8(d22u8, dthresh);
+ d23u8 = vmax_u8(d23u8, d3u8);
+
+ d28u8 = vabd_u8(d5u8, d16u8);
+ d17u8 = vqadd_u8(d17u8, d17u8);
+
+ d23u8 = vcge_u8(dlimit, d23u8);
+
+ d18u8 = vdup_n_u8(0x80);
+ d5u8 = veor_u8(d5u8, d18u8);
+ d6u8 = veor_u8(d6u8, d18u8);
+ d7u8 = veor_u8(d7u8, d18u8);
+ d16u8 = veor_u8(d16u8, d18u8);
+
+ d28u8 = vshr_n_u8(d28u8, 1);
+ d17u8 = vqadd_u8(d17u8, d28u8);
+
+ d19u8 = vdup_n_u8(3);
+
+ d28s8 = vsub_s8(vreinterpret_s8_u8(d7u8),
+ vreinterpret_s8_u8(d6u8));
+
+ d17u8 = vcge_u8(dblimit, d17u8);
+
+ d27s8 = vqsub_s8(vreinterpret_s8_u8(d5u8),
+ vreinterpret_s8_u8(d16u8));
+
+ d22u8 = vorr_u8(d21u8, d22u8);
+
+ q12s16 = vmull_s8(d28s8, vreinterpret_s8_u8(d19u8));
+
+ d27u8 = vand_u8(vreinterpret_u8_s8(d27s8), d22u8);
+ d23u8 = vand_u8(d23u8, d17u8);
+
+ q12s16 = vaddw_s8(q12s16, vreinterpret_s8_u8(d27u8));
+
+ d17u8 = vdup_n_u8(4);
+
+ d27s8 = vqmovn_s16(q12s16);
+ d27u8 = vand_u8(vreinterpret_u8_s8(d27s8), d23u8);
+ d27s8 = vreinterpret_s8_u8(d27u8);
+
+ d28s8 = vqadd_s8(d27s8, vreinterpret_s8_u8(d19u8));
+ d27s8 = vqadd_s8(d27s8, vreinterpret_s8_u8(d17u8));
+ d28s8 = vshr_n_s8(d28s8, 3);
+ d27s8 = vshr_n_s8(d27s8, 3);
+
+ d19s8 = vqadd_s8(vreinterpret_s8_u8(d6u8), d28s8);
+ d26s8 = vqsub_s8(vreinterpret_s8_u8(d7u8), d27s8);
+
+ d27s8 = vrshr_n_s8(d27s8, 1);
+ d27s8 = vbic_s8(d27s8, vreinterpret_s8_u8(d22u8));
+
+ d21s8 = vqadd_s8(vreinterpret_s8_u8(d5u8), d27s8);
+ d20s8 = vqsub_s8(vreinterpret_s8_u8(d16u8), d27s8);
+
+ *d4ru8 = veor_u8(vreinterpret_u8_s8(d21s8), d18u8);
+ *d5ru8 = veor_u8(vreinterpret_u8_s8(d19s8), d18u8);
+ *d6ru8 = veor_u8(vreinterpret_u8_s8(d26s8), d18u8);
+ *d7ru8 = veor_u8(vreinterpret_u8_s8(d20s8), d18u8);
+ return;
+}
+
+void vp9_lpf_horizontal_4_neon(
+ unsigned char *src,
+ int pitch,
+ unsigned char *blimit,
+ unsigned char *limit,
+ unsigned char *thresh,
+ int count) {
+ int i;
+ uint8_t *s, *psrc;
+ uint8x8_t dblimit, dlimit, dthresh;
+ uint8x8_t d3u8, d4u8, d5u8, d6u8, d7u8, d16u8, d17u8, d18u8;
+
+ if (count == 0) // end_vp9_lf_h_edge
+ return;
+
+ dblimit = vld1_u8(blimit);
+ dlimit = vld1_u8(limit);
+ dthresh = vld1_u8(thresh);
+
+ psrc = src - (pitch << 2);
+ for (i = 0; i < count; i++) {
+ s = psrc + i * 8;
+
+ d3u8 = vld1_u8(s);
+ s += pitch;
+ d4u8 = vld1_u8(s);
+ s += pitch;
+ d5u8 = vld1_u8(s);
+ s += pitch;
+ d6u8 = vld1_u8(s);
+ s += pitch;
+ d7u8 = vld1_u8(s);
+ s += pitch;
+ d16u8 = vld1_u8(s);
+ s += pitch;
+ d17u8 = vld1_u8(s);
+ s += pitch;
+ d18u8 = vld1_u8(s);
+
+ vp9_loop_filter_neon(dblimit, dlimit, dthresh,
+ d3u8, d4u8, d5u8, d6u8, d7u8, d16u8, d17u8, d18u8,
+ &d4u8, &d5u8, &d6u8, &d7u8);
+
+ s -= (pitch * 5);
+ vst1_u8(s, d4u8);
+ s += pitch;
+ vst1_u8(s, d5u8);
+ s += pitch;
+ vst1_u8(s, d6u8);
+ s += pitch;
+ vst1_u8(s, d7u8);
+ }
+ return;
+}
+
+void vp9_lpf_vertical_4_neon(
+ unsigned char *src,
+ int pitch,
+ unsigned char *blimit,
+ unsigned char *limit,
+ unsigned char *thresh,
+ int count) {
+ int i, pitch8;
+ uint8_t *s;
+ uint8x8_t dblimit, dlimit, dthresh;
+ uint8x8_t d3u8, d4u8, d5u8, d6u8, d7u8, d16u8, d17u8, d18u8;
+ uint32x2x2_t d2tmp0, d2tmp1, d2tmp2, d2tmp3;
+ uint16x4x2_t d2tmp4, d2tmp5, d2tmp6, d2tmp7;
+ uint8x8x2_t d2tmp8, d2tmp9, d2tmp10, d2tmp11;
+ uint8x8x4_t d4Result;
+
+ if (count == 0) // end_vp9_lf_h_edge
+ return;
+
+ dblimit = vld1_u8(blimit);
+ dlimit = vld1_u8(limit);
+ dthresh = vld1_u8(thresh);
+
+ pitch8 = pitch * 8;
+ for (i = 0; i < count; i++, src += pitch8) {
+ s = src - (i + 1) * 4;
+
+ d3u8 = vld1_u8(s);
+ s += pitch;
+ d4u8 = vld1_u8(s);
+ s += pitch;
+ d5u8 = vld1_u8(s);
+ s += pitch;
+ d6u8 = vld1_u8(s);
+ s += pitch;
+ d7u8 = vld1_u8(s);
+ s += pitch;
+ d16u8 = vld1_u8(s);
+ s += pitch;
+ d17u8 = vld1_u8(s);
+ s += pitch;
+ d18u8 = vld1_u8(s);
+
+ d2tmp0 = vtrn_u32(vreinterpret_u32_u8(d3u8),
+ vreinterpret_u32_u8(d7u8));
+ d2tmp1 = vtrn_u32(vreinterpret_u32_u8(d4u8),
+ vreinterpret_u32_u8(d16u8));
+ d2tmp2 = vtrn_u32(vreinterpret_u32_u8(d5u8),
+ vreinterpret_u32_u8(d17u8));
+ d2tmp3 = vtrn_u32(vreinterpret_u32_u8(d6u8),
+ vreinterpret_u32_u8(d18u8));
+
+ d2tmp4 = vtrn_u16(vreinterpret_u16_u32(d2tmp0.val[0]),
+ vreinterpret_u16_u32(d2tmp2.val[0]));
+ d2tmp5 = vtrn_u16(vreinterpret_u16_u32(d2tmp1.val[0]),
+ vreinterpret_u16_u32(d2tmp3.val[0]));
+ d2tmp6 = vtrn_u16(vreinterpret_u16_u32(d2tmp0.val[1]),
+ vreinterpret_u16_u32(d2tmp2.val[1]));
+ d2tmp7 = vtrn_u16(vreinterpret_u16_u32(d2tmp1.val[1]),
+ vreinterpret_u16_u32(d2tmp3.val[1]));
+
+ d2tmp8 = vtrn_u8(vreinterpret_u8_u16(d2tmp4.val[0]),
+ vreinterpret_u8_u16(d2tmp5.val[0]));
+ d2tmp9 = vtrn_u8(vreinterpret_u8_u16(d2tmp4.val[1]),
+ vreinterpret_u8_u16(d2tmp5.val[1]));
+ d2tmp10 = vtrn_u8(vreinterpret_u8_u16(d2tmp6.val[0]),
+ vreinterpret_u8_u16(d2tmp7.val[0]));
+ d2tmp11 = vtrn_u8(vreinterpret_u8_u16(d2tmp6.val[1]),
+ vreinterpret_u8_u16(d2tmp7.val[1]));
+
+ d3u8 = d2tmp8.val[0];
+ d4u8 = d2tmp8.val[1];
+ d5u8 = d2tmp9.val[0];
+ d6u8 = d2tmp9.val[1];
+ d7u8 = d2tmp10.val[0];
+ d16u8 = d2tmp10.val[1];
+ d17u8 = d2tmp11.val[0];
+ d18u8 = d2tmp11.val[1];
+
+ vp9_loop_filter_neon(dblimit, dlimit, dthresh,
+ d3u8, d4u8, d5u8, d6u8, d7u8, d16u8, d17u8, d18u8,
+ &d4u8, &d5u8, &d6u8, &d7u8);
+
+ d4Result.val[0] = d4u8;
+ d4Result.val[1] = d5u8;
+ d4Result.val[2] = d6u8;
+ d4Result.val[3] = d7u8;
+
+ src -= 2;
+ vst4_lane_u8(src, d4Result, 0);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 1);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 2);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 3);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 4);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 5);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 6);
+ src += pitch;
+ vst4_lane_u8(src, d4Result, 7);
+ }
+ return;
+}

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