diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/ppc/intrapred_vsx.c')
-rw-r--r-- | media/libvpx/libvpx/vpx_dsp/ppc/intrapred_vsx.c | 767 |
1 files changed, 767 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/ppc/intrapred_vsx.c b/media/libvpx/libvpx/vpx_dsp/ppc/intrapred_vsx.c new file mode 100644 index 0000000000..a4c8322ff2 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/ppc/intrapred_vsx.c @@ -0,0 +1,767 @@ +/* + * Copyright (c) 2017 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 "./vpx_dsp_rtcd.h" +#include "vpx_dsp/ppc/types_vsx.h" + +void vpx_v_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d = vec_vsx_ld(0, above); + int i; + (void)left; + + for (i = 0; i < 16; i++, dst += stride) { + vec_vsx_st(d, 0, dst); + } +} + +void vpx_v_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d0 = vec_vsx_ld(0, above); + const uint8x16_t d1 = vec_vsx_ld(16, above); + int i; + (void)left; + + for (i = 0; i < 32; i++, dst += stride) { + vec_vsx_st(d0, 0, dst); + vec_vsx_st(d1, 16, dst); + } +} + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +static const uint32x4_t mask4 = { 0, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + +void vpx_h_predictor_4x4_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d = vec_vsx_ld(0, left); + const uint8x16_t v0 = vec_splat(d, 0); + const uint8x16_t v1 = vec_splat(d, 1); + const uint8x16_t v2 = vec_splat(d, 2); + const uint8x16_t v3 = vec_splat(d, 3); + + (void)above; + + vec_vsx_st(vec_sel(v0, vec_vsx_ld(0, dst), (uint8x16_t)mask4), 0, dst); + dst += stride; + vec_vsx_st(vec_sel(v1, vec_vsx_ld(0, dst), (uint8x16_t)mask4), 0, dst); + dst += stride; + vec_vsx_st(vec_sel(v2, vec_vsx_ld(0, dst), (uint8x16_t)mask4), 0, dst); + dst += stride; + vec_vsx_st(vec_sel(v3, vec_vsx_ld(0, dst), (uint8x16_t)mask4), 0, dst); +} + +void vpx_h_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d = vec_vsx_ld(0, left); + const uint8x16_t v0 = vec_splat(d, 0); + const uint8x16_t v1 = vec_splat(d, 1); + const uint8x16_t v2 = vec_splat(d, 2); + const uint8x16_t v3 = vec_splat(d, 3); + + const uint8x16_t v4 = vec_splat(d, 4); + const uint8x16_t v5 = vec_splat(d, 5); + const uint8x16_t v6 = vec_splat(d, 6); + const uint8x16_t v7 = vec_splat(d, 7); + + (void)above; + + vec_vsx_st(xxpermdi(v0, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v1, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v2, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v3, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v4, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v5, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v6, vec_vsx_ld(0, dst), 1), 0, dst); + dst += stride; + vec_vsx_st(xxpermdi(v7, vec_vsx_ld(0, dst), 1), 0, dst); +} +#endif + +void vpx_h_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d = vec_vsx_ld(0, left); + const uint8x16_t v0 = vec_splat(d, 0); + const uint8x16_t v1 = vec_splat(d, 1); + const uint8x16_t v2 = vec_splat(d, 2); + const uint8x16_t v3 = vec_splat(d, 3); + + const uint8x16_t v4 = vec_splat(d, 4); + const uint8x16_t v5 = vec_splat(d, 5); + const uint8x16_t v6 = vec_splat(d, 6); + const uint8x16_t v7 = vec_splat(d, 7); + + const uint8x16_t v8 = vec_splat(d, 8); + const uint8x16_t v9 = vec_splat(d, 9); + const uint8x16_t v10 = vec_splat(d, 10); + const uint8x16_t v11 = vec_splat(d, 11); + + const uint8x16_t v12 = vec_splat(d, 12); + const uint8x16_t v13 = vec_splat(d, 13); + const uint8x16_t v14 = vec_splat(d, 14); + const uint8x16_t v15 = vec_splat(d, 15); + + (void)above; + + vec_vsx_st(v0, 0, dst); + dst += stride; + vec_vsx_st(v1, 0, dst); + dst += stride; + vec_vsx_st(v2, 0, dst); + dst += stride; + vec_vsx_st(v3, 0, dst); + dst += stride; + vec_vsx_st(v4, 0, dst); + dst += stride; + vec_vsx_st(v5, 0, dst); + dst += stride; + vec_vsx_st(v6, 0, dst); + dst += stride; + vec_vsx_st(v7, 0, dst); + dst += stride; + vec_vsx_st(v8, 0, dst); + dst += stride; + vec_vsx_st(v9, 0, dst); + dst += stride; + vec_vsx_st(v10, 0, dst); + dst += stride; + vec_vsx_st(v11, 0, dst); + dst += stride; + vec_vsx_st(v12, 0, dst); + dst += stride; + vec_vsx_st(v13, 0, dst); + dst += stride; + vec_vsx_st(v14, 0, dst); + dst += stride; + vec_vsx_st(v15, 0, dst); +} + +#define H_PREDICTOR_32(v) \ + vec_vsx_st(v, 0, dst); \ + vec_vsx_st(v, 16, dst); \ + dst += stride + +void vpx_h_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t d0 = vec_vsx_ld(0, left); + const uint8x16_t d1 = vec_vsx_ld(16, left); + + const uint8x16_t v0_0 = vec_splat(d0, 0); + const uint8x16_t v1_0 = vec_splat(d0, 1); + const uint8x16_t v2_0 = vec_splat(d0, 2); + const uint8x16_t v3_0 = vec_splat(d0, 3); + const uint8x16_t v4_0 = vec_splat(d0, 4); + const uint8x16_t v5_0 = vec_splat(d0, 5); + const uint8x16_t v6_0 = vec_splat(d0, 6); + const uint8x16_t v7_0 = vec_splat(d0, 7); + const uint8x16_t v8_0 = vec_splat(d0, 8); + const uint8x16_t v9_0 = vec_splat(d0, 9); + const uint8x16_t v10_0 = vec_splat(d0, 10); + const uint8x16_t v11_0 = vec_splat(d0, 11); + const uint8x16_t v12_0 = vec_splat(d0, 12); + const uint8x16_t v13_0 = vec_splat(d0, 13); + const uint8x16_t v14_0 = vec_splat(d0, 14); + const uint8x16_t v15_0 = vec_splat(d0, 15); + + const uint8x16_t v0_1 = vec_splat(d1, 0); + const uint8x16_t v1_1 = vec_splat(d1, 1); + const uint8x16_t v2_1 = vec_splat(d1, 2); + const uint8x16_t v3_1 = vec_splat(d1, 3); + const uint8x16_t v4_1 = vec_splat(d1, 4); + const uint8x16_t v5_1 = vec_splat(d1, 5); + const uint8x16_t v6_1 = vec_splat(d1, 6); + const uint8x16_t v7_1 = vec_splat(d1, 7); + const uint8x16_t v8_1 = vec_splat(d1, 8); + const uint8x16_t v9_1 = vec_splat(d1, 9); + const uint8x16_t v10_1 = vec_splat(d1, 10); + const uint8x16_t v11_1 = vec_splat(d1, 11); + const uint8x16_t v12_1 = vec_splat(d1, 12); + const uint8x16_t v13_1 = vec_splat(d1, 13); + const uint8x16_t v14_1 = vec_splat(d1, 14); + const uint8x16_t v15_1 = vec_splat(d1, 15); + + (void)above; + + H_PREDICTOR_32(v0_0); + H_PREDICTOR_32(v1_0); + H_PREDICTOR_32(v2_0); + H_PREDICTOR_32(v3_0); + + H_PREDICTOR_32(v4_0); + H_PREDICTOR_32(v5_0); + H_PREDICTOR_32(v6_0); + H_PREDICTOR_32(v7_0); + + H_PREDICTOR_32(v8_0); + H_PREDICTOR_32(v9_0); + H_PREDICTOR_32(v10_0); + H_PREDICTOR_32(v11_0); + + H_PREDICTOR_32(v12_0); + H_PREDICTOR_32(v13_0); + H_PREDICTOR_32(v14_0); + H_PREDICTOR_32(v15_0); + + H_PREDICTOR_32(v0_1); + H_PREDICTOR_32(v1_1); + H_PREDICTOR_32(v2_1); + H_PREDICTOR_32(v3_1); + + H_PREDICTOR_32(v4_1); + H_PREDICTOR_32(v5_1); + H_PREDICTOR_32(v6_1); + H_PREDICTOR_32(v7_1); + + H_PREDICTOR_32(v8_1); + H_PREDICTOR_32(v9_1); + H_PREDICTOR_32(v10_1); + H_PREDICTOR_32(v11_1); + + H_PREDICTOR_32(v12_1); + H_PREDICTOR_32(v13_1); + H_PREDICTOR_32(v14_1); + H_PREDICTOR_32(v15_1); +} + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +void vpx_tm_predictor_4x4_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); + const int16x8_t l = unpack_to_s16_h(vec_vsx_ld(0, left)); + const int16x8_t a = unpack_to_s16_h(vec_vsx_ld(0, above)); + int16x8_t tmp, val; + uint8x16_t d; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 0), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 1), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 2), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); + dst += stride; + + d = vec_vsx_ld(0, dst); + tmp = unpack_to_s16_l(d); + val = vec_sub(vec_add(vec_splat(l, 3), a), tl); + vec_vsx_st(vec_sel(vec_packsu(val, tmp), d, (uint8x16_t)mask4), 0, dst); +} + +void vpx_tm_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); + const int16x8_t l = unpack_to_s16_h(vec_vsx_ld(0, left)); + const int16x8_t a = unpack_to_s16_h(vec_vsx_ld(0, above)); + int16x8_t tmp, val; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 0), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 1), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 2), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 3), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 4), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 5), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 6), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); + dst += stride; + + tmp = unpack_to_s16_l(vec_vsx_ld(0, dst)); + val = vec_sub(vec_add(vec_splat(l, 7), a), tl); + vec_vsx_st(vec_packsu(val, tmp), 0, dst); +} +#endif + +static void tm_predictor_16x8(uint8_t *dst, const ptrdiff_t stride, int16x8_t l, + int16x8_t ah, int16x8_t al, int16x8_t tl) { + int16x8_t vh, vl, ls; + + ls = vec_splat(l, 0); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 1); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 2); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 3); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 4); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 5); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 6); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + dst += stride; + + ls = vec_splat(l, 7); + vh = vec_sub(vec_add(ls, ah), tl); + vl = vec_sub(vec_add(ls, al), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); +} + +void vpx_tm_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); + const uint8x16_t l = vec_vsx_ld(0, left); + const int16x8_t lh = unpack_to_s16_h(l); + const int16x8_t ll = unpack_to_s16_l(l); + const uint8x16_t a = vec_vsx_ld(0, above); + const int16x8_t ah = unpack_to_s16_h(a); + const int16x8_t al = unpack_to_s16_l(a); + + tm_predictor_16x8(dst, stride, lh, ah, al, tl); + + dst += stride * 8; + + tm_predictor_16x8(dst, stride, ll, ah, al, tl); +} + +static INLINE void tm_predictor_32x1(uint8_t *dst, const int16x8_t ls, + const int16x8_t a0h, const int16x8_t a0l, + const int16x8_t a1h, const int16x8_t a1l, + const int16x8_t tl) { + int16x8_t vh, vl; + + vh = vec_sub(vec_add(ls, a0h), tl); + vl = vec_sub(vec_add(ls, a0l), tl); + vec_vsx_st(vec_packsu(vh, vl), 0, dst); + vh = vec_sub(vec_add(ls, a1h), tl); + vl = vec_sub(vec_add(ls, a1l), tl); + vec_vsx_st(vec_packsu(vh, vl), 16, dst); +} + +static void tm_predictor_32x8(uint8_t *dst, const ptrdiff_t stride, + const int16x8_t l, const uint8x16_t a0, + const uint8x16_t a1, const int16x8_t tl) { + const int16x8_t a0h = unpack_to_s16_h(a0); + const int16x8_t a0l = unpack_to_s16_l(a0); + const int16x8_t a1h = unpack_to_s16_h(a1); + const int16x8_t a1l = unpack_to_s16_l(a1); + + tm_predictor_32x1(dst, vec_splat(l, 0), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 1), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 2), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 3), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 4), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 5), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 6), a0h, a0l, a1h, a1l, tl); + dst += stride; + + tm_predictor_32x1(dst, vec_splat(l, 7), a0h, a0l, a1h, a1l, tl); +} + +void vpx_tm_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const int16x8_t tl = unpack_to_s16_h(vec_splat(vec_vsx_ld(-1, above), 0)); + const uint8x16_t l0 = vec_vsx_ld(0, left); + const uint8x16_t l1 = vec_vsx_ld(16, left); + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + + tm_predictor_32x8(dst, stride, unpack_to_s16_h(l0), a0, a1, tl); + dst += stride * 8; + + tm_predictor_32x8(dst, stride, unpack_to_s16_l(l0), a0, a1, tl); + dst += stride * 8; + + tm_predictor_32x8(dst, stride, unpack_to_s16_h(l1), a0, a1, tl); + dst += stride * 8; + + tm_predictor_32x8(dst, stride, unpack_to_s16_l(l1), a0, a1, tl); +} + +static INLINE void dc_fill_predictor_8x8(uint8_t *dst, const ptrdiff_t stride, + const uint8x16_t val) { + int i; + + for (i = 0; i < 8; i++, dst += stride) { + const uint8x16_t d = vec_vsx_ld(0, dst); + vec_vsx_st(xxpermdi(val, d, 1), 0, dst); + } +} + +static INLINE void dc_fill_predictor_16x16(uint8_t *dst, const ptrdiff_t stride, + const uint8x16_t val) { + int i; + + for (i = 0; i < 16; i++, dst += stride) { + vec_vsx_st(val, 0, dst); + } +} + +void vpx_dc_128_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t v128 = vec_sl(vec_splat_u8(1), vec_splat_u8(7)); + (void)above; + (void)left; + + dc_fill_predictor_16x16(dst, stride, v128); +} + +static INLINE void dc_fill_predictor_32x32(uint8_t *dst, const ptrdiff_t stride, + const uint8x16_t val) { + int i; + + for (i = 0; i < 32; i++, dst += stride) { + vec_vsx_st(val, 0, dst); + vec_vsx_st(val, 16, dst); + } +} + +void vpx_dc_128_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t v128 = vec_sl(vec_splat_u8(1), vec_splat_u8(7)); + (void)above; + (void)left; + + dc_fill_predictor_32x32(dst, stride, v128); +} + +static uint8x16_t avg16(const uint8_t *values) { + const int32x4_t sum4s = + (int32x4_t)vec_sum4s(vec_vsx_ld(0, values), vec_splat_u32(0)); + const uint32x4_t sum = (uint32x4_t)vec_sums(sum4s, vec_splat_s32(8)); + const uint32x4_t avg = (uint32x4_t)vec_sr(sum, vec_splat_u32(4)); + + return vec_splat(vec_pack(vec_pack(avg, vec_splat_u32(0)), vec_splat_u16(0)), + 3); +} + +void vpx_dc_left_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + + dc_fill_predictor_16x16(dst, stride, avg16(left)); +} + +void vpx_dc_top_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + (void)left; + + dc_fill_predictor_16x16(dst, stride, avg16(above)); +} + +static uint8x16_t avg32(const uint8_t *values) { + const uint8x16_t v0 = vec_vsx_ld(0, values); + const uint8x16_t v1 = vec_vsx_ld(16, values); + const int32x4_t v16 = vec_sl(vec_splat_s32(1), vec_splat_u32(4)); + const int32x4_t sum4s = + (int32x4_t)vec_sum4s(v0, vec_sum4s(v1, vec_splat_u32(0))); + const uint32x4_t sum = (uint32x4_t)vec_sums(sum4s, v16); + const uint32x4_t avg = (uint32x4_t)vec_sr(sum, vec_splat_u32(5)); + + return vec_splat(vec_pack(vec_pack(avg, vec_splat_u32(0)), vec_splat_u16(0)), + 3); +} + +void vpx_dc_left_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, + const uint8_t *left) { + (void)above; + + dc_fill_predictor_32x32(dst, stride, avg32(left)); +} + +void vpx_dc_top_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + (void)left; + + dc_fill_predictor_32x32(dst, stride, avg32(above)); +} + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +static uint8x16_t dc_avg8(const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t l0 = vec_vsx_ld(0, left); + const int32x4_t sum4s = + (int32x4_t)vec_sum4s(l0, vec_sum4s(a0, vec_splat_u32(0))); + const int32x4_t sum4s8 = xxpermdi(sum4s, vec_splat_s32(0), 1); + const uint32x4_t sum = (uint32x4_t)vec_sums(sum4s8, vec_splat_s32(8)); + const uint32x4_t avg = (uint32x4_t)vec_sr(sum, vec_splat_u32(4)); + + return vec_splat(vec_pack(vec_pack(avg, vec_splat_u32(0)), vec_splat_u16(0)), + 3); +} +#endif + +static uint8x16_t dc_avg16(const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t l0 = vec_vsx_ld(0, left); + const int32x4_t v16 = vec_sl(vec_splat_s32(1), vec_splat_u32(4)); + const int32x4_t sum4s = + (int32x4_t)vec_sum4s(l0, vec_sum4s(a0, vec_splat_u32(0))); + const uint32x4_t sum = (uint32x4_t)vec_sums(sum4s, v16); + const uint32x4_t avg = (uint32x4_t)vec_sr(sum, vec_splat_u32(5)); + + return vec_splat(vec_pack(vec_pack(avg, vec_splat_u32(0)), vec_splat_u16(0)), + 3); +} + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +void vpx_dc_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + dc_fill_predictor_8x8(dst, stride, dc_avg8(above, left)); +} +#endif + +void vpx_dc_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + dc_fill_predictor_16x16(dst, stride, dc_avg16(above, left)); +} + +static uint8x16_t dc_avg32(const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + const uint8x16_t l0 = vec_vsx_ld(0, left); + const uint8x16_t l1 = vec_vsx_ld(16, left); + const int32x4_t v32 = vec_sl(vec_splat_s32(1), vec_splat_u32(5)); + const uint32x4_t a_sum = vec_sum4s(a0, vec_sum4s(a1, vec_splat_u32(0))); + const int32x4_t sum4s = (int32x4_t)vec_sum4s(l0, vec_sum4s(l1, a_sum)); + const uint32x4_t sum = (uint32x4_t)vec_sums(sum4s, v32); + const uint32x4_t avg = (uint32x4_t)vec_sr(sum, vec_splat_u32(6)); + + return vec_splat(vec_pack(vec_pack(avg, vec_splat_u32(0)), vec_splat_u16(0)), + 3); +} + +void vpx_dc_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + dc_fill_predictor_32x32(dst, stride, dc_avg32(above, left)); +} + +static uint8x16_t avg3(const uint8x16_t a, const uint8x16_t b, + const uint8x16_t c) { + const uint8x16_t ac = + vec_adds(vec_and(a, c), vec_sr(vec_xor(a, c), vec_splat_u8(1))); + + return vec_avg(ac, b); +} + +// Workaround vec_sld/vec_xxsldi/vec_lsdoi being missing or broken. +static const uint8x16_t sl1 = { 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, + 0x9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF, 0x10 }; + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +void vpx_d45_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t af = vec_vsx_ld(0, above); + const uint8x16_t above_right = vec_splat(af, 7); + const uint8x16_t a = xxpermdi(af, above_right, 1); + const uint8x16_t b = vec_perm(a, above_right, sl1); + const uint8x16_t c = vec_perm(b, above_right, sl1); + uint8x16_t row = avg3(a, b, c); + int i; + (void)left; + + for (i = 0; i < 8; i++) { + const uint8x16_t d = vec_vsx_ld(0, dst); + vec_vsx_st(xxpermdi(row, d, 1), 0, dst); + dst += stride; + row = vec_perm(row, above_right, sl1); + } +} +#endif + +void vpx_d45_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t a = vec_vsx_ld(0, above); + const uint8x16_t above_right = vec_splat(a, 15); + const uint8x16_t b = vec_perm(a, above_right, sl1); + const uint8x16_t c = vec_perm(b, above_right, sl1); + uint8x16_t row = avg3(a, b, c); + int i; + (void)left; + + for (i = 0; i < 16; i++) { + vec_vsx_st(row, 0, dst); + dst += stride; + row = vec_perm(row, above_right, sl1); + } +} + +void vpx_d45_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + const uint8x16_t above_right = vec_splat(a1, 15); + const uint8x16_t b0 = vec_perm(a0, a1, sl1); + const uint8x16_t b1 = vec_perm(a1, above_right, sl1); + const uint8x16_t c0 = vec_perm(b0, b1, sl1); + const uint8x16_t c1 = vec_perm(b1, above_right, sl1); + uint8x16_t row0 = avg3(a0, b0, c0); + uint8x16_t row1 = avg3(a1, b1, c1); + int i; + (void)left; + + for (i = 0; i < 32; i++) { + vec_vsx_st(row0, 0, dst); + vec_vsx_st(row1, 16, dst); + dst += stride; + row0 = vec_perm(row0, row1, sl1); + row1 = vec_perm(row1, above_right, sl1); + } +} + +// TODO(crbug.com/webm/1522): Fix test failures. +#if 0 +void vpx_d63_predictor_8x8_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t af = vec_vsx_ld(0, above); + const uint8x16_t above_right = vec_splat(af, 9); + const uint8x16_t a = xxpermdi(af, above_right, 1); + const uint8x16_t b = vec_perm(a, above_right, sl1); + const uint8x16_t c = vec_perm(b, above_right, sl1); + uint8x16_t row0 = vec_avg(a, b); + uint8x16_t row1 = avg3(a, b, c); + int i; + (void)left; + + for (i = 0; i < 4; i++) { + const uint8x16_t d0 = vec_vsx_ld(0, dst); + const uint8x16_t d1 = vec_vsx_ld(0, dst + stride); + vec_vsx_st(xxpermdi(row0, d0, 1), 0, dst); + vec_vsx_st(xxpermdi(row1, d1, 1), 0, dst + stride); + dst += stride * 2; + row0 = vec_perm(row0, above_right, sl1); + row1 = vec_perm(row1, above_right, sl1); + } +} +#endif + +void vpx_d63_predictor_16x16_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + const uint8x16_t above_right = vec_splat(a1, 0); + const uint8x16_t b = vec_perm(a0, above_right, sl1); + const uint8x16_t c = vec_perm(b, above_right, sl1); + uint8x16_t row0 = vec_avg(a0, b); + uint8x16_t row1 = avg3(a0, b, c); + int i; + (void)left; + + for (i = 0; i < 8; i++) { + vec_vsx_st(row0, 0, dst); + vec_vsx_st(row1, 0, dst + stride); + dst += stride * 2; + row0 = vec_perm(row0, above_right, sl1); + row1 = vec_perm(row1, above_right, sl1); + } +} + +void vpx_d63_predictor_32x32_vsx(uint8_t *dst, ptrdiff_t stride, + const uint8_t *above, const uint8_t *left) { + const uint8x16_t a0 = vec_vsx_ld(0, above); + const uint8x16_t a1 = vec_vsx_ld(16, above); + const uint8x16_t a2 = vec_vsx_ld(32, above); + const uint8x16_t above_right = vec_splat(a2, 0); + const uint8x16_t b0 = vec_perm(a0, a1, sl1); + const uint8x16_t b1 = vec_perm(a1, above_right, sl1); + const uint8x16_t c0 = vec_perm(b0, b1, sl1); + const uint8x16_t c1 = vec_perm(b1, above_right, sl1); + uint8x16_t row0_0 = vec_avg(a0, b0); + uint8x16_t row0_1 = vec_avg(a1, b1); + uint8x16_t row1_0 = avg3(a0, b0, c0); + uint8x16_t row1_1 = avg3(a1, b1, c1); + int i; + (void)left; + + for (i = 0; i < 16; i++) { + vec_vsx_st(row0_0, 0, dst); + vec_vsx_st(row0_1, 16, dst); + vec_vsx_st(row1_0, 0, dst + stride); + vec_vsx_st(row1_1, 16, dst + stride); + dst += stride * 2; + row0_0 = vec_perm(row0_0, row0_1, sl1); + row0_1 = vec_perm(row0_1, above_right, sl1); + row1_0 = vec_perm(row1_0, row1_1, sl1); + row1_1 = vec_perm(row1_1, above_right, sl1); + } +} |