diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/common/loongarch/idct_lsx.c')
| -rw-r--r-- | media/libvpx/libvpx/vp8/common/loongarch/idct_lsx.c | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/common/loongarch/idct_lsx.c b/media/libvpx/libvpx/vp8/common/loongarch/idct_lsx.c new file mode 100644 index 0000000000..eee871eec4 --- /dev/null +++ b/media/libvpx/libvpx/vp8/common/loongarch/idct_lsx.c @@ -0,0 +1,322 @@ +/* + * 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); + } + } +} |