mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Martin Storsjö <martin@martin.st>pull/15/head
parent
78ce568e43
commit
2957d29f05
10 changed files with 381 additions and 290 deletions
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/*
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* Alpha optimized DSP utils |
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* Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavcodec/hpeldsp.h" |
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#include "hpeldsp_alpha.h" |
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#include "asm.h" |
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static inline uint64_t avg2_no_rnd(uint64_t a, uint64_t b) |
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{ |
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return (a & b) + (((a ^ b) & BYTE_VEC(0xfe)) >> 1); |
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} |
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static inline uint64_t avg2(uint64_t a, uint64_t b) |
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{ |
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return (a | b) - (((a ^ b) & BYTE_VEC(0xfe)) >> 1); |
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} |
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#if 0 |
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/* The XY2 routines basically utilize this scheme, but reuse parts in
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each iteration. */ |
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static inline uint64_t avg4(uint64_t l1, uint64_t l2, uint64_t l3, uint64_t l4) |
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{ |
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uint64_t r1 = ((l1 & ~BYTE_VEC(0x03)) >> 2) |
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+ ((l2 & ~BYTE_VEC(0x03)) >> 2) |
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+ ((l3 & ~BYTE_VEC(0x03)) >> 2) |
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+ ((l4 & ~BYTE_VEC(0x03)) >> 2); |
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uint64_t r2 = (( (l1 & BYTE_VEC(0x03)) |
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+ (l2 & BYTE_VEC(0x03)) |
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+ (l3 & BYTE_VEC(0x03)) |
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+ (l4 & BYTE_VEC(0x03)) |
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+ BYTE_VEC(0x02)) >> 2) & BYTE_VEC(0x03); |
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return r1 + r2; |
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} |
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#endif |
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#define OP(LOAD, STORE) \ |
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do { \
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STORE(LOAD(pixels), block); \
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pixels += line_size; \
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block += line_size; \
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} while (--h) |
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#define OP_X2(LOAD, STORE) \ |
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do { \
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uint64_t pix1, pix2; \
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\
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pix1 = LOAD(pixels); \
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pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
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STORE(AVG2(pix1, pix2), block); \
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pixels += line_size; \
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block += line_size; \
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} while (--h) |
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#define OP_Y2(LOAD, STORE) \ |
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do { \
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uint64_t pix = LOAD(pixels); \
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do { \
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uint64_t next_pix; \
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\
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pixels += line_size; \
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next_pix = LOAD(pixels); \
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STORE(AVG2(pix, next_pix), block); \
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block += line_size; \
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pix = next_pix; \
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} while (--h); \
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} while (0) |
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#define OP_XY2(LOAD, STORE) \ |
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do { \
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uint64_t pix1 = LOAD(pixels); \
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uint64_t pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
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uint64_t pix_l = (pix1 & BYTE_VEC(0x03)) \
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+ (pix2 & BYTE_VEC(0x03)); \
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uint64_t pix_h = ((pix1 & ~BYTE_VEC(0x03)) >> 2) \
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+ ((pix2 & ~BYTE_VEC(0x03)) >> 2); \
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\
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do { \
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uint64_t npix1, npix2; \
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uint64_t npix_l, npix_h; \
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uint64_t avg; \
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\
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pixels += line_size; \
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npix1 = LOAD(pixels); \
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npix2 = npix1 >> 8 | ((uint64_t) pixels[8] << 56); \
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npix_l = (npix1 & BYTE_VEC(0x03)) \
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+ (npix2 & BYTE_VEC(0x03)); \
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npix_h = ((npix1 & ~BYTE_VEC(0x03)) >> 2) \
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+ ((npix2 & ~BYTE_VEC(0x03)) >> 2); \
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avg = (((pix_l + npix_l + AVG4_ROUNDER) >> 2) & BYTE_VEC(0x03)) \
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+ pix_h + npix_h; \
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STORE(avg, block); \
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\
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block += line_size; \
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pix_l = npix_l; \
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pix_h = npix_h; \
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} while (--h); \
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} while (0) |
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#define MAKE_OP(OPNAME, SUFF, OPKIND, STORE) \ |
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static void OPNAME ## _pixels ## SUFF ## _axp \
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(uint8_t *restrict block, const uint8_t *restrict pixels, \
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ptrdiff_t line_size, int h) \
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{ \
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if ((size_t) pixels & 0x7) { \
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OPKIND(uldq, STORE); \
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} else { \
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OPKIND(ldq, STORE); \
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} \
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} \
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\
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static void OPNAME ## _pixels16 ## SUFF ## _axp \
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(uint8_t *restrict block, const uint8_t *restrict pixels, \
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ptrdiff_t line_size, int h) \
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{ \
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OPNAME ## _pixels ## SUFF ## _axp(block, pixels, line_size, h); \
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OPNAME ## _pixels ## SUFF ## _axp(block + 8, pixels + 8, line_size, h); \
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} |
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#define PIXOP(OPNAME, STORE) \ |
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MAKE_OP(OPNAME, , OP, STORE) \
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MAKE_OP(OPNAME, _x2, OP_X2, STORE) \
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MAKE_OP(OPNAME, _y2, OP_Y2, STORE) \
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MAKE_OP(OPNAME, _xy2, OP_XY2, STORE) |
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/* Rounding primitives. */ |
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#define AVG2 avg2 |
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#define AVG4 avg4 |
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#define AVG4_ROUNDER BYTE_VEC(0x02) |
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#define STORE(l, b) stq(l, b) |
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PIXOP(put, STORE); |
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#undef STORE |
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#define STORE(l, b) stq(AVG2(l, ldq(b)), b); |
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PIXOP(avg, STORE); |
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/* Not rounding primitives. */ |
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#undef AVG2 |
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#undef AVG4 |
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#undef AVG4_ROUNDER |
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#undef STORE |
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#define AVG2 avg2_no_rnd |
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#define AVG4 avg4_no_rnd |
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#define AVG4_ROUNDER BYTE_VEC(0x01) |
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#define STORE(l, b) stq(l, b) |
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PIXOP(put_no_rnd, STORE); |
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#undef STORE |
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#define STORE(l, b) stq(AVG2(l, ldq(b)), b); |
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PIXOP(avg_no_rnd, STORE); |
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static void put_pixels16_axp_asm(uint8_t *block, const uint8_t *pixels, |
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ptrdiff_t line_size, int h) |
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{ |
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put_pixels_axp_asm(block, pixels, line_size, h); |
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put_pixels_axp_asm(block + 8, pixels + 8, line_size, h); |
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} |
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av_cold void ff_hpeldsp_init_alpha(HpelDSPContext *c, int flags) |
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{ |
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c->put_pixels_tab[0][0] = put_pixels16_axp_asm; |
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c->put_pixels_tab[0][1] = put_pixels16_x2_axp; |
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c->put_pixels_tab[0][2] = put_pixels16_y2_axp; |
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c->put_pixels_tab[0][3] = put_pixels16_xy2_axp; |
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c->put_no_rnd_pixels_tab[0][0] = put_pixels16_axp_asm; |
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c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_axp; |
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c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_axp; |
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c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_axp; |
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c->avg_pixels_tab[0][0] = avg_pixels16_axp; |
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c->avg_pixels_tab[0][1] = avg_pixels16_x2_axp; |
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c->avg_pixels_tab[0][2] = avg_pixels16_y2_axp; |
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c->avg_pixels_tab[0][3] = avg_pixels16_xy2_axp; |
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c->avg_no_rnd_pixels_tab[0] = avg_no_rnd_pixels16_axp; |
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c->avg_no_rnd_pixels_tab[1] = avg_no_rnd_pixels16_x2_axp; |
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c->avg_no_rnd_pixels_tab[2] = avg_no_rnd_pixels16_y2_axp; |
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c->avg_no_rnd_pixels_tab[3] = avg_no_rnd_pixels16_xy2_axp; |
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c->put_pixels_tab[1][0] = put_pixels_axp_asm; |
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c->put_pixels_tab[1][1] = put_pixels_x2_axp; |
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c->put_pixels_tab[1][2] = put_pixels_y2_axp; |
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c->put_pixels_tab[1][3] = put_pixels_xy2_axp; |
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c->put_no_rnd_pixels_tab[1][0] = put_pixels_axp_asm; |
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c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels_x2_axp; |
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c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels_y2_axp; |
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c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels_xy2_axp; |
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c->avg_pixels_tab[1][0] = avg_pixels_axp; |
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c->avg_pixels_tab[1][1] = avg_pixels_x2_axp; |
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c->avg_pixels_tab[1][2] = avg_pixels_y2_axp; |
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c->avg_pixels_tab[1][3] = avg_pixels_xy2_axp; |
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} |
@ -0,0 +1,28 @@ |
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/*
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_ALPHA_HPELDSP_ALPHA_H |
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#define AVCODEC_ALPHA_HPELDSP_ALPHA_H |
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#include <stdint.h> |
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#include <stddef.h> |
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void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
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ptrdiff_t line_size, int h); |
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#endif /* AVCODEC_ALPHA_HPELDSP_ALPHA_H */ |
@ -0,0 +1,124 @@ |
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/* |
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* Alpha optimized DSP utils |
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* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/* |
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* These functions are scheduled for pca56. They should work |
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* reasonably on ev6, though. |
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*/ |
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#include "regdef.h" |
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.set noat
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.set noreorder
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.arch pca56
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.text |
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/************************************************************************ |
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* void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
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* int line_size, int h) |
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*/ |
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.align 6
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.globl put_pixels_axp_asm
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.ent put_pixels_axp_asm
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put_pixels_axp_asm: |
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.frame sp, 0, ra |
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.prologue 0
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and a1, 7, t0 |
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beq t0, $aligned |
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.align 4
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$unaligned: |
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ldq_u t0, 0(a1) |
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ldq_u t1, 8(a1) |
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addq a1, a2, a1 |
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nop |
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ldq_u t2, 0(a1) |
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ldq_u t3, 8(a1) |
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addq a1, a2, a1 |
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nop |
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ldq_u t4, 0(a1) |
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ldq_u t5, 8(a1) |
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addq a1, a2, a1 |
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nop |
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ldq_u t6, 0(a1) |
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ldq_u t7, 8(a1) |
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extql t0, a1, t0 |
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addq a1, a2, a1 |
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extqh t1, a1, t1 |
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addq a0, a2, t8 |
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extql t2, a1, t2 |
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addq t8, a2, t9 |
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extqh t3, a1, t3 |
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addq t9, a2, ta |
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extql t4, a1, t4 |
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or t0, t1, t0 |
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extqh t5, a1, t5 |
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or t2, t3, t2 |
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extql t6, a1, t6 |
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or t4, t5, t4 |
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extqh t7, a1, t7 |
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or t6, t7, t6 |
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stq t0, 0(a0) |
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stq t2, 0(t8) |
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stq t4, 0(t9) |
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subq a3, 4, a3 |
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stq t6, 0(ta) |
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addq ta, a2, a0 |
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bne a3, $unaligned |
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ret |
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.align 4
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$aligned: |
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ldq t0, 0(a1) |
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addq a1, a2, a1 |
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ldq t1, 0(a1) |
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addq a1, a2, a1 |
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ldq t2, 0(a1) |
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addq a1, a2, a1 |
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ldq t3, 0(a1) |
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addq a0, a2, t4 |
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addq a1, a2, a1 |
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addq t4, a2, t5 |
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subq a3, 4, a3 |
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stq t0, 0(a0) |
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addq t5, a2, t6 |
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stq t1, 0(t4) |
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addq t6, a2, a0 |
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stq t2, 0(t5) |
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stq t3, 0(t6) |
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bne a3, $aligned |
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ret |
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.end put_pixels_axp_asm
|
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