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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.
*/
#include "./vp8_rtcd.h"
#include "vp8/common/blockd.h"
#include "vpx_util/loongson_intrinsics.h"
static const int32_t cospi8sqrt2minus1 = 20091;
static const int32_t sinpi8sqrt2 = 35468;
#define TRANSPOSE8X4_SH_SH(in0, in1, in2, in3, out0, out1, out2, out3) \
do { \
__m128i tmp0_m, tmp1_m, tmp2_m, tmp3_m; \
\
DUP2_ARG2(__lsx_vilvl_h, in1, in0, in3, in2, tmp0_m, tmp1_m); \
DUP2_ARG2(__lsx_vilvh_h, in1, in0, in3, in2, tmp2_m, tmp3_m); \
DUP2_ARG2(__lsx_vilvl_w, tmp1_m, tmp0_m, tmp3_m, tmp2_m, out0, out2); \
DUP2_ARG2(__lsx_vilvh_w, tmp1_m, tmp0_m, tmp3_m, tmp2_m, out1, out3); \
} while (0)
#define TRANSPOSE_TWO_4x4_H(in0, in1, in2, in3, out0, out1, out2, out3) \
do { \
__m128i s4_m, s5_m, s6_m, s7_m; \
\
TRANSPOSE8X4_SH_SH(in0, in1, in2, in3, s4_m, s5_m, s6_m, s7_m); \
DUP2_ARG2(__lsx_vilvl_d, s6_m, s4_m, s7_m, s5_m, out0, out2); \
out1 = __lsx_vilvh_d(s6_m, s4_m); \
out3 = __lsx_vilvh_d(s7_m, s5_m); \
} while (0)
#define EXPAND_TO_H_MULTIPLY_SINPI8SQRT2_PCK_TO_W(in0, in1) \
do { \
__m128i zero_m = __lsx_vldi(0); \
__m128i tmp1_m, tmp2_m; \
__m128i sinpi8_sqrt2_m = __lsx_vreplgr2vr_w(sinpi8sqrt2); \
\
tmp1_m = __lsx_vilvl_h(in0, zero_m); \
tmp2_m = __lsx_vilvh_h(in0, zero_m); \
tmp1_m = __lsx_vsrai_w(tmp1_m, 16); \
tmp2_m = __lsx_vsrai_w(tmp2_m, 16); \
tmp1_m = __lsx_vmul_w(tmp1_m, sinpi8_sqrt2_m); \
tmp1_m = __lsx_vsrai_w(tmp1_m, 16); \
tmp2_m = __lsx_vmul_w(tmp2_m, sinpi8_sqrt2_m); \
tmp2_m = __lsx_vsrai_w(tmp2_m, 16); \
in1 = __lsx_vpickev_h(tmp2_m, tmp1_m); \
} while (0)
#define VP8_IDCT_1D_H(in0, in1, in2, in3, out0, out1, out2, out3) \
do { \
__m128i a1_m, b1_m, c1_m, d1_m; \
__m128i c_tmp1_m, c_tmp2_m; \
__m128i d_tmp1_m, d_tmp2_m; \
__m128i const_cospi8sqrt2minus1_m; \
\
const_cospi8sqrt2minus1_m = __lsx_vreplgr2vr_h(cospi8sqrt2minus1); \
a1_m = __lsx_vadd_h(in0, in2); \
b1_m = __lsx_vsub_h(in0, in2); \
EXPAND_TO_H_MULTIPLY_SINPI8SQRT2_PCK_TO_W(in1, c_tmp1_m); \
\
c_tmp2_m = __lsx_vmuh_h(in3, const_cospi8sqrt2minus1_m); \
c_tmp2_m = __lsx_vslli_h(c_tmp2_m, 1); \
c_tmp2_m = __lsx_vsrai_h(c_tmp2_m, 1); \
c_tmp2_m = __lsx_vadd_h(in3, c_tmp2_m); \
c1_m = __lsx_vsub_h(c_tmp1_m, c_tmp2_m); \
\
d_tmp1_m = __lsx_vmuh_h(in1, const_cospi8sqrt2minus1_m); \
d_tmp1_m = __lsx_vslli_h(d_tmp1_m, 1); \
d_tmp1_m = __lsx_vsrai_h(d_tmp1_m, 1); \
d_tmp1_m = __lsx_vadd_h(in1, d_tmp1_m); \
EXPAND_TO_H_MULTIPLY_SINPI8SQRT2_PCK_TO_W(in3, d_tmp2_m); \
d1_m = __lsx_vadd_h(d_tmp1_m, d_tmp2_m); \
LSX_BUTTERFLY_4_H(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \
} while (0)
#define VP8_IDCT_1D_W(in0, in1, in2, in3, out0, out1, out2, out3) \
do { \
__m128i a1_m, b1_m, c1_m, d1_m; \
__m128i c_tmp1_m, c_tmp2_m, d_tmp1_m, d_tmp2_m; \
__m128i const_cospi8sqrt2minus1_m, sinpi8_sqrt2_m; \
\
const_cospi8sqrt2minus1_m = __lsx_vreplgr2vr_w(cospi8sqrt2minus1); \
sinpi8_sqrt2_m = __lsx_vreplgr2vr_w(sinpi8sqrt2); \
a1_m = __lsx_vadd_w(in0, in2); \
b1_m = __lsx_vsub_w(in0, in2); \
c_tmp1_m = __lsx_vmul_w(in1, sinpi8_sqrt2_m); \
c_tmp1_m = __lsx_vsrai_w(c_tmp1_m, 16); \
c_tmp2_m = __lsx_vmul_w(in3, const_cospi8sqrt2minus1_m); \
c_tmp2_m = __lsx_vsrai_w(c_tmp2_m, 16); \
c_tmp2_m = __lsx_vadd_w(in3, c_tmp2_m); \
c1_m = __lsx_vsub_w(c_tmp1_m, c_tmp2_m); \
d_tmp1_m = __lsx_vmul_w(in1, const_cospi8sqrt2minus1_m); \
d_tmp1_m = __lsx_vsrai_w(d_tmp1_m, 16); \
d_tmp1_m = __lsx_vadd_w(in1, d_tmp1_m); \
d_tmp2_m = __lsx_vmul_w(in3, sinpi8_sqrt2_m); \
d_tmp2_m = __lsx_vsrai_w(d_tmp2_m, 16); \
d1_m = __lsx_vadd_w(d_tmp1_m, d_tmp2_m); \
LSX_BUTTERFLY_4_W(a1_m, b1_m, c1_m, d1_m, out0, out1, out2, out3); \
} while (0)
#define UNPCK_SH_SW(in, out0, out1) \
do { \
out0 = __lsx_vsllwil_w_h(in, 0); \
out1 = __lsx_vexth_w_h(in); \
} while (0)
static void idct4x4_addconst_lsx(int16_t in_dc, uint8_t *pred,
int32_t pred_stride, uint8_t *dest,
int32_t dest_stride) {
__m128i vec, res0, res1, res2, res3, dst0, dst1;
__m128i pred0, pred1, pred2, pred3;
__m128i zero = __lsx_vldi(0);
int32_t pred_stride2 = pred_stride << 1;
int32_t pred_stride3 = pred_stride2 + pred_stride;
vec = __lsx_vreplgr2vr_h(in_dc);
vec = __lsx_vsrari_h(vec, 3);
pred0 = __lsx_vld(pred, 0);
DUP2_ARG2(__lsx_vldx, pred, pred_stride, pred, pred_stride2, pred1, pred2);
pred3 = __lsx_vldx(pred, pred_stride3);
DUP4_ARG2(__lsx_vilvl_b, zero, pred0, zero, pred1, zero, pred2, zero, pred3,
res0, res1, res2, res3);
DUP4_ARG2(__lsx_vadd_h, res0, vec, res1, vec, res2, vec, res3, vec, res0,
res1, res2, res3);
res0 = __lsx_vclip255_h(res0);
res1 = __lsx_vclip255_h(res1);
res2 = __lsx_vclip255_h(res2);
res3 = __lsx_vclip255_h(res3);
DUP2_ARG2(__lsx_vpickev_b, res1, res0, res3, res2, dst0, dst1);
dst0 = __lsx_vpickev_w(dst1, dst0);
__lsx_vstelm_w(dst0, dest, 0, 0);
dest += dest_stride;
__lsx_vstelm_w(dst0, dest, 0, 1);
dest += dest_stride;
__lsx_vstelm_w(dst0, dest, 0, 2);
dest += dest_stride;
__lsx_vstelm_w(dst0, dest, 0, 3);
}
void vp8_dc_only_idct_add_lsx(int16_t input_dc, uint8_t *pred_ptr,
int32_t pred_stride, uint8_t *dst_ptr,
int32_t dst_stride) {
idct4x4_addconst_lsx(input_dc, pred_ptr, pred_stride, dst_ptr, dst_stride);
}
static void dequant_idct4x4_addblk_2x_lsx(int16_t *input,
int16_t *dequant_input, uint8_t *dest,
int32_t dest_stride) {
__m128i dest0, dest1, dest2, dest3;
__m128i in0, in1, in2, in3, mul0, mul1, mul2, mul3, dequant_in0, dequant_in1;
__m128i hz0, hz1, hz2, hz3, vt0, vt1, vt2, vt3, res0, res1, res2, res3;
__m128i hz0l, hz1l, hz2l, hz3l, hz0r, hz1r, hz2r, hz3r;
__m128i vt0l, vt1l, vt2l, vt3l, vt0r, vt1r, vt2r, vt3r;
__m128i zero = __lsx_vldi(0);
int32_t dest_stride2 = dest_stride << 1;
int32_t dest_stride3 = dest_stride2 + dest_stride;
DUP4_ARG2(__lsx_vld, input, 0, input, 16, input, 32, input, 48, in0, in1, in2,
in3);
DUP2_ARG2(__lsx_vld, dequant_input, 0, dequant_input, 16, dequant_in0,
dequant_in1);
DUP4_ARG2(__lsx_vmul_h, in0, dequant_in0, in1, dequant_in1, in2, dequant_in0,
in3, dequant_in1, mul0, mul1, mul2, mul3);
DUP2_ARG2(__lsx_vpickev_d, mul2, mul0, mul3, mul1, in0, in2);
DUP2_ARG2(__lsx_vpickod_d, mul2, mul0, mul3, mul1, in1, in3);
VP8_IDCT_1D_H(in0, in1, in2, in3, hz0, hz1, hz2, hz3);
TRANSPOSE_TWO_4x4_H(hz0, hz1, hz2, hz3, hz0, hz1, hz2, hz3);
UNPCK_SH_SW(hz0, hz0r, hz0l);
UNPCK_SH_SW(hz1, hz1r, hz1l);
UNPCK_SH_SW(hz2, hz2r, hz2l);
UNPCK_SH_SW(hz3, hz3r, hz3l);
VP8_IDCT_1D_W(hz0l, hz1l, hz2l, hz3l, vt0l, vt1l, vt2l, vt3l);
DUP4_ARG2(__lsx_vsrari_w, vt0l, 3, vt1l, 3, vt2l, 3, vt3l, 3, vt0l, vt1l,
vt2l, vt3l);
VP8_IDCT_1D_W(hz0r, hz1r, hz2r, hz3r, vt0r, vt1r, vt2r, vt3r);
DUP4_ARG2(__lsx_vsrari_w, vt0r, 3, vt1r, 3, vt2r, 3, vt3r, 3, vt0r, vt1r,
vt2r, vt3r);
DUP4_ARG2(__lsx_vpickev_h, vt0l, vt0r, vt1l, vt1r, vt2l, vt2r, vt3l, vt3r,
vt0, vt1, vt2, vt3);
TRANSPOSE_TWO_4x4_H(vt0, vt1, vt2, vt3, vt0, vt1, vt2, vt3);
dest0 = __lsx_vld(dest, 0);
DUP2_ARG2(__lsx_vldx, dest, dest_stride, dest, dest_stride2, dest1, dest2);
dest3 = __lsx_vldx(dest, dest_stride3);
DUP4_ARG2(__lsx_vilvl_b, zero, dest0, zero, dest1, zero, dest2, zero, dest3,
res0, res1, res2, res3);
DUP4_ARG2(__lsx_vadd_h, res0, vt0, res1, vt1, res2, vt2, res3, vt3, res0,
res1, res2, res3);
res0 = __lsx_vclip255_h(res0);
res1 = __lsx_vclip255_h(res1);
res2 = __lsx_vclip255_h(res2);
res3 = __lsx_vclip255_h(res3);
DUP2_ARG2(__lsx_vpickev_b, res1, res0, res3, res2, vt0l, vt1l);
__lsx_vstelm_d(vt0l, dest, 0, 0);
__lsx_vstelm_d(vt0l, dest + dest_stride, 0, 1);
__lsx_vstelm_d(vt1l, dest + dest_stride2, 0, 0);
__lsx_vstelm_d(vt1l, dest + dest_stride3, 0, 1);
__lsx_vst(zero, input, 0);
__lsx_vst(zero, input, 16);
__lsx_vst(zero, input, 32);
__lsx_vst(zero, input, 48);
}
static void dequant_idct_addconst_2x_lsx(int16_t *input, int16_t *dequant_input,
uint8_t *dest, int32_t dest_stride) {
__m128i input_dc0, input_dc1, vec, res0, res1, res2, res3;
__m128i dest0, dest1, dest2, dest3;
__m128i zero = __lsx_vldi(0);
int32_t dest_stride2 = dest_stride << 1;
int32_t dest_stride3 = dest_stride2 + dest_stride;
input_dc0 = __lsx_vreplgr2vr_h(input[0] * dequant_input[0]);
input_dc1 = __lsx_vreplgr2vr_h(input[16] * dequant_input[0]);
DUP2_ARG2(__lsx_vsrari_h, input_dc0, 3, input_dc1, 3, input_dc0, input_dc1);
vec = __lsx_vpickev_d(input_dc1, input_dc0);
input[0] = 0;
input[16] = 0;
dest0 = __lsx_vld(dest, 0);
DUP2_ARG2(__lsx_vldx, dest, dest_stride, dest, dest_stride2, dest1, dest2);
dest3 = __lsx_vldx(dest, dest_stride3);
DUP4_ARG2(__lsx_vilvl_b, zero, dest0, zero, dest1, zero, dest2, zero, dest3,
res0, res1, res2, res3);
DUP4_ARG2(__lsx_vadd_h, res0, vec, res1, vec, res2, vec, res3, vec, res0,
res1, res2, res3);
res0 = __lsx_vclip255_h(res0);
res1 = __lsx_vclip255_h(res1);
res2 = __lsx_vclip255_h(res2);
res3 = __lsx_vclip255_h(res3);
DUP2_ARG2(__lsx_vpickev_b, res1, res0, res3, res2, res0, res1);
__lsx_vstelm_d(res0, dest, 0, 0);
__lsx_vstelm_d(res0, dest + dest_stride, 0, 1);
__lsx_vstelm_d(res1, dest + dest_stride2, 0, 0);
__lsx_vstelm_d(res1, dest + dest_stride3, 0, 1);
}
void vp8_dequant_idct_add_y_block_lsx(int16_t *q, int16_t *dq, uint8_t *dst,
int32_t stride, char *eobs) {
int16_t *eobs_h = (int16_t *)eobs;
uint8_t i;
for (i = 4; i--;) {
if (eobs_h[0]) {
if (eobs_h[0] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst, stride);
}
}
q += 32;
if (eobs_h[1]) {
if (eobs_h[1] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst + 8, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst + 8, stride);
}
}
q += 32;
dst += (4 * stride);
eobs_h += 2;
}
}
void vp8_dequant_idct_add_uv_block_lsx(int16_t *q, int16_t *dq, uint8_t *dst_u,
uint8_t *dst_v, int32_t stride,
char *eobs) {
int16_t *eobs_h = (int16_t *)eobs;
if (eobs_h[0]) {
if (eobs_h[0] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst_u, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst_u, stride);
}
}
q += 32;
dst_u += (stride * 4);
if (eobs_h[1]) {
if (eobs_h[1] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst_u, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst_u, stride);
}
}
q += 32;
if (eobs_h[2]) {
if (eobs_h[2] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst_v, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst_v, stride);
}
}
q += 32;
dst_v += (stride * 4);
if (eobs_h[3]) {
if (eobs_h[3] & 0xfefe) {
dequant_idct4x4_addblk_2x_lsx(q, dq, dst_v, stride);
} else {
dequant_idct_addconst_2x_lsx(q, dq, dst_v, stride);
}
}
}
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