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/*
* Copyright (c) 2022 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.
*/
#ifndef VPX_VPX_DSP_LOONGARCH_LOOPFILTER_LSX_H_
#define VPX_VPX_DSP_LOONGARCH_LOOPFILTER_LSX_H_
#include "vpx_util/loongson_intrinsics.h"
#define LPF_MASK_HEV(p3_in, p2_in, p1_in, p0_in, q0_in, q1_in, q2_in, q3_in, \
limit_in, b_limit_in, thresh_in, hev_out, mask_out, \
flat_out) \
do { \
__m128i p3_asub_p2_m, p2_asub_p1_m, p1_asub_p0_m, q1_asub_q0_m; \
__m128i p1_asub_q1_m, p0_asub_q0_m, q3_asub_q2_m, q2_asub_q1_m; \
\
/* absolute subtraction of pixel values */ \
p3_asub_p2_m = __lsx_vabsd_bu(p3_in, p2_in); \
p2_asub_p1_m = __lsx_vabsd_bu(p2_in, p1_in); \
p1_asub_p0_m = __lsx_vabsd_bu(p1_in, p0_in); \
q1_asub_q0_m = __lsx_vabsd_bu(q1_in, q0_in); \
q2_asub_q1_m = __lsx_vabsd_bu(q2_in, q1_in); \
q3_asub_q2_m = __lsx_vabsd_bu(q3_in, q2_in); \
p0_asub_q0_m = __lsx_vabsd_bu(p0_in, q0_in); \
p1_asub_q1_m = __lsx_vabsd_bu(p1_in, q1_in); \
\
/* calculation of hev */ \
flat_out = __lsx_vmax_bu(p1_asub_p0_m, q1_asub_q0_m); \
hev_out = __lsx_vslt_bu(thresh_in, flat_out); \
\
/* calculation of mask */ \
p0_asub_q0_m = __lsx_vsadd_bu(p0_asub_q0_m, p0_asub_q0_m); \
p1_asub_q1_m = __lsx_vsrli_b(p1_asub_q1_m, 1); \
p0_asub_q0_m = __lsx_vsadd_bu(p0_asub_q0_m, p1_asub_q1_m); \
mask_out = __lsx_vslt_bu(b_limit_in, p0_asub_q0_m); \
mask_out = __lsx_vmax_bu(flat_out, mask_out); \
p3_asub_p2_m = __lsx_vmax_bu(p3_asub_p2_m, p2_asub_p1_m); \
mask_out = __lsx_vmax_bu(p3_asub_p2_m, mask_out); \
q2_asub_q1_m = __lsx_vmax_bu(q2_asub_q1_m, q3_asub_q2_m); \
mask_out = __lsx_vmax_bu(q2_asub_q1_m, mask_out); \
\
mask_out = __lsx_vslt_bu(limit_in, mask_out); \
mask_out = __lsx_vxori_b(mask_out, 0xff); \
} while (0)
#define VP9_FLAT4(p3_in, p2_in, p0_in, q0_in, q2_in, q3_in, flat_out) \
do { \
__m128i p2_asub_p0, q2_asub_q0, p3_asub_p0, q3_asub_q0; \
__m128i flat4_tmp = __lsx_vldi(1); \
\
DUP4_ARG2(__lsx_vabsd_bu, p2_in, p0_in, q2_in, q0_in, p3_in, p0_in, q3_in, \
q0_in, p2_asub_p0, q2_asub_q0, p3_asub_p0, q3_asub_q0); \
p2_asub_p0 = __lsx_vmax_bu(p2_asub_p0, q2_asub_q0); \
flat_out = __lsx_vmax_bu(p2_asub_p0, flat_out); \
p3_asub_p0 = __lsx_vmax_bu(p3_asub_p0, q3_asub_q0); \
flat_out = __lsx_vmax_bu(p3_asub_p0, flat_out); \
\
flat_out = __lsx_vslt_bu(flat4_tmp, flat_out); \
flat_out = __lsx_vxori_b(flat_out, 0xff); \
flat_out = flat_out & (mask); \
} while (0)
#define VP9_FLAT5(p7_in, p6_in, p5_in, p4_in, p0_in, q0_in, q4_in, q5_in, \
q6_in, q7_in, flat_in, flat2_out) \
do { \
__m128i flat5_tmp = __lsx_vldi(1); \
__m128i p4_asub_p0, q4_asub_q0, p5_asub_p0, q5_asub_q0; \
__m128i p6_asub_p0, q6_asub_q0, p7_asub_p0, q7_asub_q0; \
DUP4_ARG2(__lsx_vabsd_bu, p4_in, p0_in, q4_in, q0_in, p5_in, p0_in, q5_in, \
q0_in, p4_asub_p0, q4_asub_q0, p5_asub_p0, q5_asub_q0); \
DUP4_ARG2(__lsx_vabsd_bu, p6_in, p0_in, q6_in, q0_in, p7_in, p0_in, q7_in, \
q0_in, p6_asub_p0, q6_asub_q0, p7_asub_p0, q7_asub_q0); \
\
DUP2_ARG2(__lsx_vmax_bu, p4_asub_p0, q4_asub_q0, p5_asub_p0, q5_asub_q0, \
p4_asub_p0, flat2_out); \
flat2_out = __lsx_vmax_bu(p4_asub_p0, flat2_out); \
p6_asub_p0 = __lsx_vmax_bu(p6_asub_p0, q6_asub_q0); \
flat2_out = __lsx_vmax_bu(p6_asub_p0, flat2_out); \
p7_asub_p0 = __lsx_vmax_bu(p7_asub_p0, q7_asub_q0); \
flat2_out = __lsx_vmax_bu(p7_asub_p0, flat2_out); \
flat2_out = __lsx_vslt_bu(flat5_tmp, flat2_out); \
flat2_out = __lsx_vxori_b(flat2_out, 0xff); \
flat2_out = flat2_out & flat_in; \
} while (0)
#define VP9_LPF_FILTER4_4W(p1_in, p0_in, q0_in, q1_in, mask, hev, p1_out, \
p0_out, q0_out, q1_out) \
do { \
__m128i p1_m, p0_m, q0_m, q1_m, filt, q0_sub_p0, t1, t2; \
const __m128i cnst4b = __lsx_vldi(4); \
const __m128i cnst3b = __lsx_vldi(3); \
DUP4_ARG2(__lsx_vxori_b, p1_in, 0x80, p0_in, 0x80, q0_in, 0x80, q1_in, \
0x80, p1_m, p0_m, q0_m, q1_m); \
filt = __lsx_vssub_b(p1_m, q1_m); \
filt &= hev; \
\
q0_sub_p0 = __lsx_vssub_b(q0_m, p0_m); \
filt = __lsx_vsadd_b(filt, q0_sub_p0); \
filt = __lsx_vsadd_b(filt, q0_sub_p0); \
filt = __lsx_vsadd_b(filt, q0_sub_p0); \
filt &= mask; \
DUP2_ARG2(__lsx_vsadd_b, filt, cnst4b, filt, cnst3b, t1, t2); \
DUP2_ARG2(__lsx_vsrai_b, t1, 3, t2, 3, t1, t2); \
\
q0_m = __lsx_vssub_b(q0_m, t1); \
p0_m = __lsx_vsadd_b(p0_m, t2); \
DUP2_ARG2(__lsx_vxori_b, q0_m, 0x80, p0_m, 0x80, q0_out, p0_out); \
\
filt = __lsx_vsrari_b(t1, 1); \
hev = __lsx_vxori_b(hev, 0xff); \
filt &= hev; \
q1_m = __lsx_vssub_b(q1_m, filt); \
p1_m = __lsx_vsadd_b(p1_m, filt); \
DUP2_ARG2(__lsx_vxori_b, q1_m, 0x80, p1_m, 0x80, q1_out, p1_out); \
} while (0)
#define VP9_FILTER8(p3_in, p2_in, p1_in, p0_in, q0_in, q1_in, q2_in, q3_in, \
p2_filt8_out, p1_filt8_out, p0_filt8_out, q0_filt8_out, \
q1_filt8_out, q2_filt8_out) \
do { \
__m128i tmp_filt8_0, tmp_filt8_1, tmp_filt8_2; \
\
tmp_filt8_2 = __lsx_vadd_h(p2_in, p1_in); \
tmp_filt8_2 = __lsx_vadd_h(tmp_filt8_2, p0_in); \
tmp_filt8_0 = __lsx_vslli_h(p3_in, 1); \
\
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_0, tmp_filt8_2); \
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_0, q0_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_0, p3_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_1, p2_in); \
p2_filt8_out = __lsx_vsrari_h(tmp_filt8_1, 3); \
\
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_0, p1_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_1, q1_in); \
p1_filt8_out = __lsx_vsrari_h(tmp_filt8_1, 3); \
\
tmp_filt8_1 = __lsx_vadd_h(q2_in, q1_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_1, q0_in); \
tmp_filt8_2 = __lsx_vadd_h(tmp_filt8_2, tmp_filt8_1); \
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_2, p0_in); \
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_0, p3_in); \
p0_filt8_out = __lsx_vsrari_h(tmp_filt8_0, 3); \
\
tmp_filt8_0 = __lsx_vadd_h(q2_in, q3_in); \
tmp_filt8_0 = __lsx_vadd_h(p0_in, tmp_filt8_0); \
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_0, tmp_filt8_1); \
tmp_filt8_1 = __lsx_vadd_h(q3_in, q3_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_1, tmp_filt8_0); \
q2_filt8_out = __lsx_vsrari_h(tmp_filt8_1, 3); \
\
tmp_filt8_0 = __lsx_vadd_h(tmp_filt8_2, q3_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_0, q0_in); \
q0_filt8_out = __lsx_vsrari_h(tmp_filt8_1, 3); \
\
tmp_filt8_1 = __lsx_vsub_h(tmp_filt8_0, p2_in); \
tmp_filt8_0 = __lsx_vadd_h(q1_in, q3_in); \
tmp_filt8_1 = __lsx_vadd_h(tmp_filt8_0, tmp_filt8_1); \
q1_filt8_out = __lsx_vsrari_h(tmp_filt8_1, 3); \
} while (0)
#endif // VPX_VPX_DSP_LOONGARCH_LOOPFILTER_LSX_H_