| /* |
| * Copyright (c) 2018 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 <assert.h> |
| #include <string.h> |
| |
| #include "./vpx_config.h" |
| #include "./vpx_dsp_rtcd.h" |
| #include "vpx/vpx_integer.h" |
| #include "vpx_dsp/vpx_dsp_common.h" |
| #include "vpx_dsp/vpx_filter.h" |
| #include "vpx_ports/asmdefs_mmi.h" |
| #include "vpx_ports/mem.h" |
| |
| #define GET_DATA_H_MMI \ |
| "pmaddhw %[ftmp4], %[ftmp4], %[filter1] \n\t" \ |
| "pmaddhw %[ftmp5], %[ftmp5], %[filter2] \n\t" \ |
| "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \ |
| "punpckhwd %[ftmp5], %[ftmp4], %[ftmp0] \n\t" \ |
| "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \ |
| "pmaddhw %[ftmp6], %[ftmp6], %[filter1] \n\t" \ |
| "pmaddhw %[ftmp7], %[ftmp7], %[filter2] \n\t" \ |
| "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \ |
| "punpckhwd %[ftmp7], %[ftmp6], %[ftmp0] \n\t" \ |
| "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \ |
| "punpcklwd %[srcl], %[ftmp4], %[ftmp6] \n\t" \ |
| "pmaddhw %[ftmp8], %[ftmp8], %[filter1] \n\t" \ |
| "pmaddhw %[ftmp9], %[ftmp9], %[filter2] \n\t" \ |
| "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \ |
| "punpckhwd %[ftmp9], %[ftmp8], %[ftmp0] \n\t" \ |
| "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \ |
| "pmaddhw %[ftmp10], %[ftmp10], %[filter1] \n\t" \ |
| "pmaddhw %[ftmp11], %[ftmp11], %[filter2] \n\t" \ |
| "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \ |
| "punpckhwd %[ftmp11], %[ftmp10], %[ftmp0] \n\t" \ |
| "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \ |
| "punpcklwd %[srch], %[ftmp8], %[ftmp10] \n\t" |
| |
| #define GET_DATA_V_MMI \ |
| "punpcklhw %[srcl], %[ftmp4], %[ftmp5] \n\t" \ |
| "pmaddhw %[srcl], %[srcl], %[filter10] \n\t" \ |
| "punpcklhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \ |
| "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ |
| "punpcklhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \ |
| "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ |
| "punpcklhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \ |
| "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \ |
| "punpckhhw %[srch], %[ftmp4], %[ftmp5] \n\t" \ |
| "pmaddhw %[srch], %[srch], %[filter10] \n\t" \ |
| "punpckhhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \ |
| "paddw %[srch], %[srch], %[ftmp12] \n\t" \ |
| "punpckhhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \ |
| "paddw %[srch], %[srch], %[ftmp12] \n\t" \ |
| "punpckhhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \ |
| "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \ |
| "paddw %[srch], %[srch], %[ftmp12] \n\t" |
| |
| /* clang-format off */ |
| #define ROUND_POWER_OF_TWO_MMI \ |
| /* Add para[0] */ \ |
| "lw %[tmp0], 0x00(%[para]) \n\t" \ |
| MMI_MTC1(%[tmp0], %[ftmp6]) \ |
| "punpcklwd %[ftmp6], %[ftmp6], %[ftmp6] \n\t" \ |
| "paddw %[srcl], %[srcl], %[ftmp6] \n\t" \ |
| "paddw %[srch], %[srch], %[ftmp6] \n\t" \ |
| /* Arithmetic right shift para[1] bits */ \ |
| "lw %[tmp0], 0x04(%[para]) \n\t" \ |
| MMI_MTC1(%[tmp0], %[ftmp5]) \ |
| "psraw %[srcl], %[srcl], %[ftmp5] \n\t" \ |
| "psraw %[srch], %[srch], %[ftmp5] \n\t" |
| /* clang-format on */ |
| |
| #define CLIP_PIXEL_MMI \ |
| /* Staturated operation */ \ |
| "packsswh %[srcl], %[srcl], %[srch] \n\t" \ |
| "packushb %[ftmp12], %[srcl], %[ftmp0] \n\t" |
| |
| static void convolve_horiz_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int x_step_q4, int32_t w, int32_t h) { |
| const int16_t *filter_x = filter[x0_q4]; |
| double ftmp[14]; |
| uint32_t tmp[2]; |
| uint32_t para[5]; |
| para[0] = (1 << ((FILTER_BITS)-1)); |
| para[1] = FILTER_BITS; |
| src -= SUBPEL_TAPS / 2 - 1; |
| src_stride -= w; |
| dst_stride -= w; |
| (void)x_step_q4; |
| |
| /* clang-format off */ |
| __asm__ volatile( |
| "move %[tmp1], %[width] \n\t" |
| "pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "gsldlc1 %[filter1], 0x03(%[filter]) \n\t" |
| "gsldrc1 %[filter1], 0x00(%[filter]) \n\t" |
| "gsldlc1 %[filter2], 0x0b(%[filter]) \n\t" |
| "gsldrc1 %[filter2], 0x08(%[filter]) \n\t" |
| "1: \n\t" |
| /* Get 8 data per row */ |
| "gsldlc1 %[ftmp5], 0x07(%[src]) \n\t" |
| "gsldrc1 %[ftmp5], 0x00(%[src]) \n\t" |
| "gsldlc1 %[ftmp7], 0x08(%[src]) \n\t" |
| "gsldrc1 %[ftmp7], 0x01(%[src]) \n\t" |
| "gsldlc1 %[ftmp9], 0x09(%[src]) \n\t" |
| "gsldrc1 %[ftmp9], 0x02(%[src]) \n\t" |
| "gsldlc1 %[ftmp11], 0x0A(%[src]) \n\t" |
| "gsldrc1 %[ftmp11], 0x03(%[src]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp5], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp6], %[ftmp7], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp8], %[ftmp9], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp10], %[ftmp11], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t" |
| MMI_ADDIU(%[width], %[width], -0x04) |
| /* Get raw data */ |
| GET_DATA_H_MMI |
| ROUND_POWER_OF_TWO_MMI |
| CLIP_PIXEL_MMI |
| "swc1 %[ftmp12], 0x00(%[dst]) \n\t" |
| MMI_ADDIU(%[dst], %[dst], 0x04) |
| MMI_ADDIU(%[src], %[src], 0x04) |
| /* Loop count */ |
| "bnez %[width], 1b \n\t" |
| "move %[width], %[tmp1] \n\t" |
| MMI_ADDU(%[src], %[src], %[src_stride]) |
| MMI_ADDU(%[dst], %[dst], %[dst_stride]) |
| MMI_ADDIU(%[height], %[height], -0x01) |
| "bnez %[height], 1b \n\t" |
| : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]), |
| [filter1]"=&f"(ftmp[2]), [filter2]"=&f"(ftmp[3]), |
| [ftmp0]"=&f"(ftmp[4]), [ftmp4]"=&f"(ftmp[5]), |
| [ftmp5]"=&f"(ftmp[6]), [ftmp6]"=&f"(ftmp[7]), |
| [ftmp7]"=&f"(ftmp[8]), [ftmp8]"=&f"(ftmp[9]), |
| [ftmp9]"=&f"(ftmp[10]), [ftmp10]"=&f"(ftmp[11]), |
| [ftmp11]"=&f"(ftmp[12]), [ftmp12]"=&f"(ftmp[13]), |
| [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), |
| [src]"+&r"(src), [width]"+&r"(w), |
| [dst]"+&r"(dst), [height]"+&r"(h) |
| : [filter]"r"(filter_x), [para]"r"(para), |
| [src_stride]"r"((mips_reg)src_stride), |
| [dst_stride]"r"((mips_reg)dst_stride) |
| : "memory" |
| ); |
| /* clang-format on */ |
| } |
| |
| static void convolve_vert_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int y0_q4, |
| int y_step_q4, int32_t w, int32_t h) { |
| const int16_t *filter_y = filter[y0_q4]; |
| double ftmp[16]; |
| uint32_t tmp[1]; |
| uint32_t para[2]; |
| ptrdiff_t addr = src_stride; |
| para[0] = (1 << ((FILTER_BITS)-1)); |
| para[1] = FILTER_BITS; |
| src -= src_stride * (SUBPEL_TAPS / 2 - 1); |
| src_stride -= w; |
| dst_stride -= w; |
| (void)y_step_q4; |
| |
| __asm__ volatile( |
| "pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "gsldlc1 %[ftmp4], 0x03(%[filter]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[filter]) \n\t" |
| "gsldlc1 %[ftmp5], 0x0b(%[filter]) \n\t" |
| "gsldrc1 %[ftmp5], 0x08(%[filter]) \n\t" |
| "punpcklwd %[filter10], %[ftmp4], %[ftmp4] \n\t" |
| "punpckhwd %[filter32], %[ftmp4], %[ftmp4] \n\t" |
| "punpcklwd %[filter54], %[ftmp5], %[ftmp5] \n\t" |
| "punpckhwd %[filter76], %[ftmp5], %[ftmp5] \n\t" |
| "1: \n\t" |
| /* Get 8 data per column */ |
| "gsldlc1 %[ftmp4], 0x07(%[src]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[src]) \n\t" |
| MMI_ADDU(%[tmp0], %[src], %[addr]) |
| "gsldlc1 %[ftmp5], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp5], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp6], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp6], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp7], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp7], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp8], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp8], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp9], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp9], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp10], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp10], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp11], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp11], 0x00(%[tmp0]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp8], %[ftmp8], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp10], %[ftmp10], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t" |
| MMI_ADDIU(%[width], %[width], -0x04) |
| /* Get raw data */ |
| GET_DATA_V_MMI |
| ROUND_POWER_OF_TWO_MMI |
| CLIP_PIXEL_MMI |
| "swc1 %[ftmp12], 0x00(%[dst]) \n\t" |
| MMI_ADDIU(%[dst], %[dst], 0x04) |
| MMI_ADDIU(%[src], %[src], 0x04) |
| /* Loop count */ |
| "bnez %[width], 1b \n\t" |
| MMI_SUBU(%[width], %[addr], %[src_stride]) |
| MMI_ADDU(%[src], %[src], %[src_stride]) |
| MMI_ADDU(%[dst], %[dst], %[dst_stride]) |
| MMI_ADDIU(%[height], %[height], -0x01) |
| "bnez %[height], 1b \n\t" |
| : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]), |
| [filter10]"=&f"(ftmp[2]), [filter32]"=&f"(ftmp[3]), |
| [filter54]"=&f"(ftmp[4]), [filter76]"=&f"(ftmp[5]), |
| [ftmp0]"=&f"(ftmp[6]), [ftmp4]"=&f"(ftmp[7]), |
| [ftmp5]"=&f"(ftmp[8]), [ftmp6]"=&f"(ftmp[9]), |
| [ftmp7]"=&f"(ftmp[10]), [ftmp8]"=&f"(ftmp[11]), |
| [ftmp9]"=&f"(ftmp[12]), [ftmp10]"=&f"(ftmp[13]), |
| [ftmp11]"=&f"(ftmp[14]), [ftmp12]"=&f"(ftmp[15]), |
| [src]"+&r"(src), [dst]"+&r"(dst), |
| [width]"+&r"(w), [height]"+&r"(h), |
| [tmp0]"=&r"(tmp[0]) |
| : [filter]"r"(filter_y), [para]"r"(para), |
| [src_stride]"r"((mips_reg)src_stride), |
| [dst_stride]"r"((mips_reg)dst_stride), |
| [addr]"r"((mips_reg)addr) |
| : "memory" |
| ); |
| } |
| |
| static void convolve_avg_horiz_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int x_step_q4, int32_t w, int32_t h) { |
| const int16_t *filter_x = filter[x0_q4]; |
| double ftmp[14]; |
| uint32_t tmp[2]; |
| uint32_t para[2]; |
| para[0] = (1 << ((FILTER_BITS)-1)); |
| para[1] = FILTER_BITS; |
| src -= SUBPEL_TAPS / 2 - 1; |
| src_stride -= w; |
| dst_stride -= w; |
| (void)x_step_q4; |
| |
| __asm__ volatile( |
| "move %[tmp1], %[width] \n\t" |
| "pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "gsldlc1 %[filter1], 0x03(%[filter]) \n\t" |
| "gsldrc1 %[filter1], 0x00(%[filter]) \n\t" |
| "gsldlc1 %[filter2], 0x0b(%[filter]) \n\t" |
| "gsldrc1 %[filter2], 0x08(%[filter]) \n\t" |
| "1: \n\t" |
| /* Get 8 data per row */ |
| "gsldlc1 %[ftmp5], 0x07(%[src]) \n\t" |
| "gsldrc1 %[ftmp5], 0x00(%[src]) \n\t" |
| "gsldlc1 %[ftmp7], 0x08(%[src]) \n\t" |
| "gsldrc1 %[ftmp7], 0x01(%[src]) \n\t" |
| "gsldlc1 %[ftmp9], 0x09(%[src]) \n\t" |
| "gsldrc1 %[ftmp9], 0x02(%[src]) \n\t" |
| "gsldlc1 %[ftmp11], 0x0A(%[src]) \n\t" |
| "gsldrc1 %[ftmp11], 0x03(%[src]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp5], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp6], %[ftmp7], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp8], %[ftmp9], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp10], %[ftmp11], %[ftmp0] \n\t" |
| "punpckhbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t" |
| MMI_ADDIU(%[width], %[width], -0x04) |
| /* Get raw data */ |
| GET_DATA_H_MMI |
| ROUND_POWER_OF_TWO_MMI |
| CLIP_PIXEL_MMI |
| "punpcklbh %[ftmp12], %[ftmp12], %[ftmp0] \n\t" |
| "gsldlc1 %[ftmp4], 0x07(%[dst]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[dst]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "paddh %[ftmp12], %[ftmp12], %[ftmp4] \n\t" |
| "li %[tmp0], 0x10001 \n\t" |
| MMI_MTC1(%[tmp0], %[ftmp5]) |
| "punpcklhw %[ftmp5], %[ftmp5], %[ftmp5] \n\t" |
| "paddh %[ftmp12], %[ftmp12], %[ftmp5] \n\t" |
| "psrah %[ftmp12], %[ftmp12], %[ftmp5] \n\t" |
| "packushb %[ftmp12], %[ftmp12], %[ftmp0] \n\t" |
| "swc1 %[ftmp12], 0x00(%[dst]) \n\t" |
| MMI_ADDIU(%[dst], %[dst], 0x04) |
| MMI_ADDIU(%[src], %[src], 0x04) |
| /* Loop count */ |
| "bnez %[width], 1b \n\t" |
| "move %[width], %[tmp1] \n\t" |
| MMI_ADDU(%[src], %[src], %[src_stride]) |
| MMI_ADDU(%[dst], %[dst], %[dst_stride]) |
| MMI_ADDIU(%[height], %[height], -0x01) |
| "bnez %[height], 1b \n\t" |
| : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]), |
| [filter1]"=&f"(ftmp[2]), [filter2]"=&f"(ftmp[3]), |
| [ftmp0]"=&f"(ftmp[4]), [ftmp4]"=&f"(ftmp[5]), |
| [ftmp5]"=&f"(ftmp[6]), [ftmp6]"=&f"(ftmp[7]), |
| [ftmp7]"=&f"(ftmp[8]), [ftmp8]"=&f"(ftmp[9]), |
| [ftmp9]"=&f"(ftmp[10]), [ftmp10]"=&f"(ftmp[11]), |
| [ftmp11]"=&f"(ftmp[12]), [ftmp12]"=&f"(ftmp[13]), |
| [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), |
| [src]"+&r"(src), [width]"+&r"(w), |
| [dst]"+&r"(dst), [height]"+&r"(h) |
| : [filter]"r"(filter_x), [para]"r"(para), |
| [src_stride]"r"((mips_reg)src_stride), |
| [dst_stride]"r"((mips_reg)dst_stride) |
| : "memory" |
| ); |
| } |
| |
| static void convolve_avg_vert_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int y0_q4, |
| int y_step_q4, int32_t w, int32_t h) { |
| const int16_t *filter_y = filter[y0_q4]; |
| double ftmp[16]; |
| uint32_t tmp[1]; |
| uint32_t para[2]; |
| ptrdiff_t addr = src_stride; |
| para[0] = (1 << ((FILTER_BITS)-1)); |
| para[1] = FILTER_BITS; |
| src -= src_stride * (SUBPEL_TAPS / 2 - 1); |
| src_stride -= w; |
| dst_stride -= w; |
| (void)y_step_q4; |
| |
| __asm__ volatile( |
| "pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "gsldlc1 %[ftmp4], 0x03(%[filter]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[filter]) \n\t" |
| "gsldlc1 %[ftmp5], 0x0b(%[filter]) \n\t" |
| "gsldrc1 %[ftmp5], 0x08(%[filter]) \n\t" |
| "punpcklwd %[filter10], %[ftmp4], %[ftmp4] \n\t" |
| "punpckhwd %[filter32], %[ftmp4], %[ftmp4] \n\t" |
| "punpcklwd %[filter54], %[ftmp5], %[ftmp5] \n\t" |
| "punpckhwd %[filter76], %[ftmp5], %[ftmp5] \n\t" |
| "1: \n\t" |
| /* Get 8 data per column */ |
| "gsldlc1 %[ftmp4], 0x07(%[src]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[src]) \n\t" |
| MMI_ADDU(%[tmp0], %[src], %[addr]) |
| "gsldlc1 %[ftmp5], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp5], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp6], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp6], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp7], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp7], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp8], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp8], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp9], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp9], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp10], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp10], 0x00(%[tmp0]) \n\t" |
| MMI_ADDU(%[tmp0], %[tmp0], %[addr]) |
| "gsldlc1 %[ftmp11], 0x07(%[tmp0]) \n\t" |
| "gsldrc1 %[ftmp11], 0x00(%[tmp0]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp8], %[ftmp8], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp10], %[ftmp10], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t" |
| MMI_ADDIU(%[width], %[width], -0x04) |
| /* Get raw data */ |
| GET_DATA_V_MMI |
| ROUND_POWER_OF_TWO_MMI |
| CLIP_PIXEL_MMI |
| "punpcklbh %[ftmp12], %[ftmp12], %[ftmp0] \n\t" |
| "gsldlc1 %[ftmp4], 0x07(%[dst]) \n\t" |
| "gsldrc1 %[ftmp4], 0x00(%[dst]) \n\t" |
| "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t" |
| "paddh %[ftmp12], %[ftmp12], %[ftmp4] \n\t" |
| "li %[tmp0], 0x10001 \n\t" |
| MMI_MTC1(%[tmp0], %[ftmp5]) |
| "punpcklhw %[ftmp5], %[ftmp5], %[ftmp5] \n\t" |
| "paddh %[ftmp12], %[ftmp12], %[ftmp5] \n\t" |
| "psrah %[ftmp12], %[ftmp12], %[ftmp5] \n\t" |
| "packushb %[ftmp12], %[ftmp12], %[ftmp0] \n\t" |
| "swc1 %[ftmp12], 0x00(%[dst]) \n\t" |
| MMI_ADDIU(%[dst], %[dst], 0x04) |
| MMI_ADDIU(%[src], %[src], 0x04) |
| /* Loop count */ |
| "bnez %[width], 1b \n\t" |
| MMI_SUBU(%[width], %[addr], %[src_stride]) |
| MMI_ADDU(%[src], %[src], %[src_stride]) |
| MMI_ADDU(%[dst], %[dst], %[dst_stride]) |
| MMI_ADDIU(%[height], %[height], -0x01) |
| "bnez %[height], 1b \n\t" |
| : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]), |
| [filter10]"=&f"(ftmp[2]), [filter32]"=&f"(ftmp[3]), |
| [filter54]"=&f"(ftmp[4]), [filter76]"=&f"(ftmp[5]), |
| [ftmp0]"=&f"(ftmp[6]), [ftmp4]"=&f"(ftmp[7]), |
| [ftmp5]"=&f"(ftmp[8]), [ftmp6]"=&f"(ftmp[9]), |
| [ftmp7]"=&f"(ftmp[10]), [ftmp8]"=&f"(ftmp[11]), |
| [ftmp9]"=&f"(ftmp[12]), [ftmp10]"=&f"(ftmp[13]), |
| [ftmp11]"=&f"(ftmp[14]), [ftmp12]"=&f"(ftmp[15]), |
| [src]"+&r"(src), [dst]"+&r"(dst), |
| [width]"+&r"(w), [height]"+&r"(h), |
| [tmp0]"=&r"(tmp[0]) |
| : [filter]"r"(filter_y), [para]"r"(para), |
| [src_stride]"r"((mips_reg)src_stride), |
| [dst_stride]"r"((mips_reg)dst_stride), |
| [addr]"r"((mips_reg)addr) |
| : "memory" |
| ); |
| } |
| |
| void vpx_convolve_avg_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, int x_step_q4, |
| int y0_q4, int y_step_q4, int w, int h) { |
| int x, y; |
| |
| (void)filter; |
| (void)x0_q4; |
| (void)x_step_q4; |
| (void)y0_q4; |
| (void)y_step_q4; |
| |
| if (w & 0x03) { |
| for (y = 0; y < h; ++y) { |
| for (x = 0; x < w; ++x) dst[x] = ROUND_POWER_OF_TWO(dst[x] + src[x], 1); |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } else { |
| double ftmp[4]; |
| uint32_t tmp[2]; |
| src_stride -= w; |
| dst_stride -= w; |
| |
| __asm__ volatile( |
| "move %[tmp1], %[width] \n\t" |
| "pxor %[ftmp0], %[ftmp0], %[ftmp0] \n\t" |
| "li %[tmp0], 0x10001 \n\t" |
| MMI_MTC1(%[tmp0], %[ftmp3]) |
| "punpcklhw %[ftmp3], %[ftmp3], %[ftmp3] \n\t" |
| "1: \n\t" |
| "gsldlc1 %[ftmp1], 0x07(%[src]) \n\t" |
| "gsldrc1 %[ftmp1], 0x00(%[src]) \n\t" |
| "gsldlc1 %[ftmp2], 0x07(%[dst]) \n\t" |
| "gsldrc1 %[ftmp2], 0x00(%[dst]) \n\t" |
| "punpcklbh %[ftmp1], %[ftmp1], %[ftmp0] \n\t" |
| "punpcklbh %[ftmp2], %[ftmp2], %[ftmp0] \n\t" |
| "paddh %[ftmp1], %[ftmp1], %[ftmp2] \n\t" |
| "paddh %[ftmp1], %[ftmp1], %[ftmp3] \n\t" |
| "psrah %[ftmp1], %[ftmp1], %[ftmp3] \n\t" |
| "packushb %[ftmp1], %[ftmp1], %[ftmp0] \n\t" |
| "swc1 %[ftmp1], 0x00(%[dst]) \n\t" |
| MMI_ADDIU(%[width], %[width], -0x04) |
| MMI_ADDIU(%[dst], %[dst], 0x04) |
| MMI_ADDIU(%[src], %[src], 0x04) |
| "bnez %[width], 1b \n\t" |
| "move %[width], %[tmp1] \n\t" |
| MMI_ADDU(%[dst], %[dst], %[dst_stride]) |
| MMI_ADDU(%[src], %[src], %[src_stride]) |
| MMI_ADDIU(%[height], %[height], -0x01) |
| "bnez %[height], 1b \n\t" |
| : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]), |
| [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]), |
| [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]), |
| [src]"+&r"(src), [dst]"+&r"(dst), |
| [width]"+&r"(w), [height]"+&r"(h) |
| : [src_stride]"r"((mips_reg)src_stride), |
| [dst_stride]"r"((mips_reg)dst_stride) |
| : "memory" |
| ); |
| } |
| } |
| |
| static void convolve_horiz(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *x_filters, int x0_q4, |
| int x_step_q4, int w, int h) { |
| int x, y; |
| src -= SUBPEL_TAPS / 2 - 1; |
| |
| for (y = 0; y < h; ++y) { |
| int x_q4 = x0_q4; |
| for (x = 0; x < w; ++x) { |
| const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; |
| const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK]; |
| int k, sum = 0; |
| for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k]; |
| dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| x_q4 += x_step_q4; |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| static void convolve_vert(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *y_filters, int y0_q4, |
| int y_step_q4, int w, int h) { |
| int x, y; |
| src -= src_stride * (SUBPEL_TAPS / 2 - 1); |
| |
| for (x = 0; x < w; ++x) { |
| int y_q4 = y0_q4; |
| for (y = 0; y < h; ++y) { |
| const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; |
| const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK]; |
| int k, sum = 0; |
| for (k = 0; k < SUBPEL_TAPS; ++k) |
| sum += src_y[k * src_stride] * y_filter[k]; |
| dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| y_q4 += y_step_q4; |
| } |
| ++src; |
| ++dst; |
| } |
| } |
| |
| static void convolve_avg_vert(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *y_filters, int y0_q4, |
| int y_step_q4, int w, int h) { |
| int x, y; |
| src -= src_stride * (SUBPEL_TAPS / 2 - 1); |
| |
| for (x = 0; x < w; ++x) { |
| int y_q4 = y0_q4; |
| for (y = 0; y < h; ++y) { |
| const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride]; |
| const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK]; |
| int k, sum = 0; |
| for (k = 0; k < SUBPEL_TAPS; ++k) |
| sum += src_y[k * src_stride] * y_filter[k]; |
| dst[y * dst_stride] = ROUND_POWER_OF_TWO( |
| dst[y * dst_stride] + |
| clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)), |
| 1); |
| y_q4 += y_step_q4; |
| } |
| ++src; |
| ++dst; |
| } |
| } |
| |
| static void convolve_avg_horiz(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *x_filters, int x0_q4, |
| int x_step_q4, int w, int h) { |
| int x, y; |
| src -= SUBPEL_TAPS / 2 - 1; |
| |
| for (y = 0; y < h; ++y) { |
| int x_q4 = x0_q4; |
| for (x = 0; x < w; ++x) { |
| const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS]; |
| const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK]; |
| int k, sum = 0; |
| for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k]; |
| dst[x] = ROUND_POWER_OF_TWO( |
| dst[x] + clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)), 1); |
| x_q4 += x_step_q4; |
| } |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| |
| void vpx_convolve8_mmi(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, |
| ptrdiff_t dst_stride, const InterpKernel *filter, |
| int x0_q4, int32_t x_step_q4, int y0_q4, |
| int32_t y_step_q4, int32_t w, int32_t h) { |
| // Note: Fixed size intermediate buffer, temp, places limits on parameters. |
| // 2d filtering proceeds in 2 steps: |
| // (1) Interpolate horizontally into an intermediate buffer, temp. |
| // (2) Interpolate temp vertically to derive the sub-pixel result. |
| // Deriving the maximum number of rows in the temp buffer (135): |
| // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative). |
| // --Largest block size is 64x64 pixels. |
| // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the |
| // original frame (in 1/16th pixel units). |
| // --Must round-up because block may be located at sub-pixel position. |
| // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails. |
| // --((64 - 1) * 32 + 15) >> 4 + 8 = 135. |
| // When calling in frame scaling function, the smallest scaling factor is x1/4 |
| // ==> y_step_q4 = 64. Since w and h are at most 16, the temp buffer is still |
| // big enough. |
| uint8_t temp[64 * 135]; |
| const int intermediate_height = |
| (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS; |
| |
| assert(w <= 64); |
| assert(h <= 64); |
| assert(y_step_q4 <= 32 || (y_step_q4 <= 64 && h <= 32)); |
| assert(x_step_q4 <= 64); |
| |
| if (w & 0x03) { |
| convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, temp, |
| 64, filter, x0_q4, x_step_q4, w, intermediate_height); |
| convolve_vert(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride, |
| filter, y0_q4, y_step_q4, w, h); |
| } else { |
| convolve_horiz_mmi(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, |
| temp, 64, filter, x0_q4, x_step_q4, w, |
| intermediate_height); |
| convolve_vert_mmi(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride, |
| filter, y0_q4, y_step_q4, w, h); |
| } |
| } |
| |
| void vpx_convolve8_horiz_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int32_t y_step_q4, |
| int32_t w, int32_t h) { |
| (void)y0_q4; |
| (void)y_step_q4; |
| if (w & 0x03) |
| convolve_horiz(src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4, |
| w, h); |
| else |
| convolve_horiz_mmi(src, src_stride, dst, dst_stride, filter, x0_q4, |
| x_step_q4, w, h); |
| } |
| |
| void vpx_convolve8_vert_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int y_step_q4, int w, |
| int h) { |
| (void)x0_q4; |
| (void)x_step_q4; |
| if (w & 0x03) |
| convolve_vert(src, src_stride, dst, dst_stride, filter, y0_q4, y_step_q4, w, |
| h); |
| else |
| convolve_vert_mmi(src, src_stride, dst, dst_stride, filter, y0_q4, |
| y_step_q4, w, h); |
| } |
| |
| void vpx_convolve8_avg_horiz_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int y_step_q4, |
| int w, int h) { |
| (void)y0_q4; |
| (void)y_step_q4; |
| if (w & 0x03) |
| convolve_avg_horiz(src, src_stride, dst, dst_stride, filter, x0_q4, |
| x_step_q4, w, h); |
| else |
| convolve_avg_horiz_mmi(src, src_stride, dst, dst_stride, filter, x0_q4, |
| x_step_q4, w, h); |
| } |
| |
| void vpx_convolve8_avg_vert_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int y_step_q4, |
| int w, int h) { |
| (void)x0_q4; |
| (void)x_step_q4; |
| if (w & 0x03) |
| convolve_avg_vert(src, src_stride, dst, dst_stride, filter, y0_q4, |
| y_step_q4, w, h); |
| else |
| convolve_avg_vert_mmi(src, src_stride, dst, dst_stride, filter, y0_q4, |
| y_step_q4, w, h); |
| } |
| |
| void vpx_convolve8_avg_mmi(const uint8_t *src, ptrdiff_t src_stride, |
| uint8_t *dst, ptrdiff_t dst_stride, |
| const InterpKernel *filter, int x0_q4, |
| int32_t x_step_q4, int y0_q4, int32_t y_step_q4, |
| int32_t w, int32_t h) { |
| // Fixed size intermediate buffer places limits on parameters. |
| DECLARE_ALIGNED(16, uint8_t, temp[64 * 64]); |
| assert(w <= 64); |
| assert(h <= 64); |
| |
| vpx_convolve8_mmi(src, src_stride, temp, 64, filter, x0_q4, x_step_q4, y0_q4, |
| y_step_q4, w, h); |
| vpx_convolve_avg_mmi(temp, 64, dst, dst_stride, NULL, 0, 0, 0, 0, w, h); |
| } |
