mirror of
https://github.com/webmproject/libwebp.git
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Added MSA optimized chroma edge filtering functions
1. VFilter8 2. HFilter8 3. VFilter8i 4. HFilter8i Change-Id: Iea5f0107178809dc31f3d9ba817e2474bd73fc0a
This commit is contained in:
Parag Salasakar
Pascal Massimino
parent
9ad2352d0d
commit
1ebf193c2c
@ -289,12 +289,23 @@ static void TransformAC3(const int16_t* in, uint8_t* dst) {
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mask_out = __msa_xori_b(mask_out, 0xff); \
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} while (0)
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#define ST6x1_UB(in0, in0_idx, in1, in1_idx, pdst, stride) { \
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#define ST6x1_UB(in0, in0_idx, in1, in1_idx, pdst, stride) do { \
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const uint16_t tmp0_h = __msa_copy_s_h((v8i16)in1, in1_idx); \
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const uint32_t tmp0_w = __msa_copy_s_w((v4i32)in0, in0_idx); \
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SW(tmp0_w, pdst); \
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SH(tmp0_h, pdst + stride); \
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}
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} while (0)
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#define ST6x4_UB(in0, start_in0_idx, in1, start_in1_idx, pdst, stride) do { \
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uint8_t* ptmp1 = (uint8_t*)pdst; \
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ST6x1_UB(in0, start_in0_idx, in1, start_in1_idx, ptmp1, 4); \
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ptmp1 += stride; \
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ST6x1_UB(in0, start_in0_idx + 1, in1, start_in1_idx + 1, ptmp1, 4); \
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ptmp1 += stride; \
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ST6x1_UB(in0, start_in0_idx + 2, in1, start_in1_idx + 2, ptmp1, 4); \
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ptmp1 += stride; \
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ST6x1_UB(in0, start_in0_idx + 3, in1, start_in1_idx + 3, ptmp1, 4); \
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} while (0)
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static void VFilter16(uint8_t *src, int stride,
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int b_limit_in, int limit_in, int thresh_in) {
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@ -393,8 +404,8 @@ static void VFilterHorEdge16i(uint8_t *src, int stride,
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static void VFilter16i(uint8_t *src_y, int stride,
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int b_limit, int limit, int thresh) {
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VFilterHorEdge16i(src_y + 4 * stride, stride, b_limit, limit, thresh);
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VFilterHorEdge16i(src_y + 8 * stride, stride, b_limit, limit, thresh);
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VFilterHorEdge16i(src_y + 4 * stride, stride, b_limit, limit, thresh);
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VFilterHorEdge16i(src_y + 8 * stride, stride, b_limit, limit, thresh);
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VFilterHorEdge16i(src_y + 12 * stride, stride, b_limit, limit, thresh);
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}
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@ -430,11 +441,157 @@ static void HFilterVertEdge16i(uint8_t *src, int stride,
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static void HFilter16i(uint8_t *src_y, int stride,
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int b_limit, int limit, int thresh) {
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HFilterVertEdge16i(src_y + 4, stride, b_limit, limit, thresh);
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HFilterVertEdge16i(src_y + 8, stride, b_limit, limit, thresh);
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HFilterVertEdge16i(src_y + 4, stride, b_limit, limit, thresh);
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HFilterVertEdge16i(src_y + 8, stride, b_limit, limit, thresh);
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HFilterVertEdge16i(src_y + 12, stride, b_limit, limit, thresh);
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}
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// 8-pixels wide variants, for chroma filtering
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static void VFilter8(uint8_t* src_u, uint8_t* src_v, int stride,
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int b_limit_in, int limit_in, int thresh_in) {
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uint8_t* ptmp_src_u = src_u - 4 * stride;
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uint8_t* ptmp_src_v = src_v - 4 * stride;
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uint64_t p2_d, p1_d, p0_d, q0_d, q1_d, q2_d;
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v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
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v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u;
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v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v;
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const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
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const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
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const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
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LD_UB8(ptmp_src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u);
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LD_UB8(ptmp_src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v);
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ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0);
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ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3);
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LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
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hev, mask);
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LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
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p2_d = __msa_copy_s_d((v2i64)p2, 0);
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p1_d = __msa_copy_s_d((v2i64)p1, 0);
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p0_d = __msa_copy_s_d((v2i64)p0, 0);
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q0_d = __msa_copy_s_d((v2i64)q0, 0);
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q1_d = __msa_copy_s_d((v2i64)q1, 0);
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q2_d = __msa_copy_s_d((v2i64)q2, 0);
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ptmp_src_u += stride;
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SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_u, stride);
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ptmp_src_u += (4 * stride);
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SD(q1_d, ptmp_src_u);
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ptmp_src_u += stride;
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SD(q2_d, ptmp_src_u);
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p2_d = __msa_copy_s_d((v2i64)p2, 1);
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p1_d = __msa_copy_s_d((v2i64)p1, 1);
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p0_d = __msa_copy_s_d((v2i64)p0, 1);
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q0_d = __msa_copy_s_d((v2i64)q0, 1);
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q1_d = __msa_copy_s_d((v2i64)q1, 1);
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q2_d = __msa_copy_s_d((v2i64)q2, 1);
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ptmp_src_v += stride;
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SD4(p2_d, p1_d, p0_d, q0_d, ptmp_src_v, stride);
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ptmp_src_v += (4 * stride);
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SD(q1_d, ptmp_src_v);
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ptmp_src_v += stride;
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SD(q2_d, ptmp_src_v);
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}
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static void HFilter8(uint8_t* src_u, uint8_t* src_v, int stride,
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int b_limit_in, int limit_in, int thresh_in) {
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uint8_t* ptmp_src_u = src_u - 4;
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uint8_t* ptmp_src_v = src_v - 4;
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v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
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v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8;
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v16u8 row9, row10, row11, row12, row13, row14, row15;
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v8i16 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
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const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
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const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
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const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
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LD_UB8(ptmp_src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7);
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LD_UB8(ptmp_src_v, stride,
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row8, row9, row10, row11, row12, row13, row14, row15);
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TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
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row8, row9, row10, row11, row12, row13, row14, row15,
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p3, p2, p1, p0, q0, q1, q2, q3);
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LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
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hev, mask);
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LPF_MBFILTER(p2, p1, p0, q0, q1, q2, mask, hev);
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ILVR_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
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ILVRL_H2_SH(tmp1, tmp0, tmp3, tmp4);
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ILVL_B2_SH(p1, p2, q0, p0, tmp0, tmp1);
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ILVRL_H2_SH(tmp1, tmp0, tmp6, tmp7);
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ILVRL_B2_SH(q2, q1, tmp2, tmp5);
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ptmp_src_u += 1;
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ST6x4_UB(tmp3, 0, tmp2, 0, ptmp_src_u, stride);
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ptmp_src_u += 4 * stride;
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ST6x4_UB(tmp4, 0, tmp2, 4, ptmp_src_u, stride);
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ptmp_src_v += 1;
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ST6x4_UB(tmp6, 0, tmp5, 0, ptmp_src_v, stride);
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ptmp_src_v += 4 * stride;
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ST6x4_UB(tmp7, 0, tmp5, 4, ptmp_src_v, stride);
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}
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static void VFilter8i(uint8_t* src_u, uint8_t* src_v, int stride,
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int b_limit_in, int limit_in, int thresh_in) {
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uint64_t p1_d, p0_d, q0_d, q1_d;
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v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
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v16u8 p3_u, p2_u, p1_u, p0_u, q3_u, q2_u, q1_u, q0_u;
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v16u8 p3_v, p2_v, p1_v, p0_v, q3_v, q2_v, q1_v, q0_v;
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const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
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const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
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const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
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LD_UB8(src_u, stride, p3_u, p2_u, p1_u, p0_u, q0_u, q1_u, q2_u, q3_u);
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src_u += (5 * stride);
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LD_UB8(src_v, stride, p3_v, p2_v, p1_v, p0_v, q0_v, q1_v, q2_v, q3_v);
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src_v += (5 * stride);
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ILVR_D4_UB(p3_v, p3_u, p2_v, p2_u, p1_v, p1_u, p0_v, p0_u, p3, p2, p1, p0);
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ILVR_D4_UB(q0_v, q0_u, q1_v, q1_u, q2_v, q2_u, q3_v, q3_u, q0, q1, q2, q3);
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LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
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hev, mask);
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LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
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p1_d = __msa_copy_s_d((v2i64)p1, 0);
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p0_d = __msa_copy_s_d((v2i64)p0, 0);
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q0_d = __msa_copy_s_d((v2i64)q0, 0);
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q1_d = __msa_copy_s_d((v2i64)q1, 0);
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SD4(q1_d, q0_d, p0_d, p1_d, src_u, -stride);
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p1_d = __msa_copy_s_d((v2i64)p1, 1);
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p0_d = __msa_copy_s_d((v2i64)p0, 1);
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q0_d = __msa_copy_s_d((v2i64)q0, 1);
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q1_d = __msa_copy_s_d((v2i64)q1, 1);
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SD4(q1_d, q0_d, p0_d, p1_d, src_v, -stride);
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}
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static void HFilter8i(uint8_t* src_u, uint8_t* src_v, int stride,
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int b_limit_in, int limit_in, int thresh_in) {
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v16u8 p3, p2, p1, p0, q3, q2, q1, q0, mask, hev;
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v16u8 row0, row1, row2, row3, row4, row5, row6, row7, row8;
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v16u8 row9, row10, row11, row12, row13, row14, row15;
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v4i32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5;
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const v16u8 thresh = (v16u8)__msa_fill_b(thresh_in);
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const v16u8 limit = (v16u8)__msa_fill_b(limit_in);
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const v16u8 b_limit = (v16u8)__msa_fill_b(b_limit_in);
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LD_UB8(src_u, stride, row0, row1, row2, row3, row4, row5, row6, row7);
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LD_UB8(src_v, stride,
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row8, row9, row10, row11, row12, row13, row14, row15);
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TRANSPOSE16x8_UB_UB(row0, row1, row2, row3, row4, row5, row6, row7,
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row8, row9, row10, row11, row12, row13, row14, row15,
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p3, p2, p1, p0, q0, q1, q2, q3);
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LPF_MASK_HEV(p3, p2, p1, p0, q0, q1, q2, q3, limit, b_limit, thresh,
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hev, mask);
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LPF_FILTER4_4W(p1, p0, q0, q1, mask, hev);
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ILVR_B2_SW(p0, p1, q1, q0, tmp0, tmp1);
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ILVRL_H2_SW(tmp1, tmp0, tmp2, tmp3);
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ILVL_B2_SW(p0, p1, q1, q0, tmp0, tmp1);
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ILVRL_H2_SW(tmp1, tmp0, tmp4, tmp5);
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src_u += 2;
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ST4x4_UB(tmp2, tmp2, 0, 1, 2, 3, src_u, stride);
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src_u += 4 * stride;
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ST4x4_UB(tmp3, tmp3, 0, 1, 2, 3, src_u, stride);
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src_v += 2;
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ST4x4_UB(tmp4, tmp4, 0, 1, 2, 3, src_v, stride);
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src_v += 4 * stride;
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ST4x4_UB(tmp5, tmp5, 0, 1, 2, 3, src_v, stride);
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}
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//------------------------------------------------------------------------------
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// Entry point
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@ -446,10 +603,14 @@ WEBP_TSAN_IGNORE_FUNCTION void VP8DspInitMSA(void) {
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VP8TransformDC = TransformDC;
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VP8TransformAC3 = TransformAC3;
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VP8VFilter16 = VFilter16;
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VP8HFilter16 = HFilter16;
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VP8VFilter16 = VFilter16;
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VP8HFilter16 = HFilter16;
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VP8VFilter16i = VFilter16i;
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VP8HFilter16i = HFilter16i;
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VP8VFilter8 = VFilter8;
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VP8HFilter8 = HFilter8;
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VP8VFilter8i = VFilter8i;
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VP8HFilter8i = HFilter8i;
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}
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#else // !WEBP_USE_MSA
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@ -164,6 +164,24 @@
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SW(in3, ptmp); \
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}
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/* Description : Store 4 double words with stride
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* Arguments : Inputs - in0, in1, in2, in3, pdst, stride
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* Details : Store double word from 'in0' to (pdst)
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* Store double word from 'in1' to (pdst + stride)
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* Store double word from 'in2' to (pdst + 2 * stride)
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* Store double word from 'in3' to (pdst + 3 * stride)
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*/
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#define SD4(in0, in1, in2, in3, pdst, stride) { \
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uint8_t* ptmp = (uint8_t*)pdst; \
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SD(in0, ptmp); \
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ptmp += stride; \
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SD(in1, ptmp); \
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ptmp += stride; \
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SD(in2, ptmp); \
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ptmp += stride; \
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SD(in3, ptmp); \
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}
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/* Description : Load vectors with 16 byte elements with stride
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* Arguments : Inputs - psrc, stride
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* Outputs - out0, out1
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@ -448,6 +466,7 @@
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#define ILVL_B2_SB(...) ILVL_B2(v16i8, __VA_ARGS__)
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#define ILVL_B2_UH(...) ILVL_B2(v8u16, __VA_ARGS__)
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#define ILVL_B2_SH(...) ILVL_B2(v8i16, __VA_ARGS__)
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#define ILVL_B2_SW(...) ILVL_B2(v4i32, __VA_ARGS__)
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/* Description : Interleave right half of byte elements from vectors
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* Arguments : Inputs - in0, in1, in2, in3
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@ -516,6 +535,14 @@
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#define ILVR_D2_SB(...) ILVR_D2(v16i8, __VA_ARGS__)
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#define ILVR_D2_SH(...) ILVR_D2(v8i16, __VA_ARGS__)
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#define ILVR_D4(RTYPE, in0, in1, in2, in3, in4, in5, in6, in7, \
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out0, out1, out2, out3) { \
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ILVR_D2(RTYPE, in0, in1, in2, in3, out0, out1); \
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ILVR_D2(RTYPE, in4, in5, in6, in7, out2, out3); \
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}
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#define ILVR_D4_SB(...) ILVR_D4(v16i8, __VA_ARGS__)
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#define ILVR_D4_UB(...) ILVR_D4(v16u8, __VA_ARGS__)
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/* Description : Interleave both left and right half of input vectors
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* Arguments : Inputs - in0, in1
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* Outputs - out0, out1
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