mirror of https://github.com/axmolengine/axmol.git
416 lines
15 KiB
C
416 lines
15 KiB
C
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/*
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* Loongson MMI optimizations for libjpeg-turbo
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*
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* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
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* Copyright (C) 2015, 2019, D. R. Commander. All Rights Reserved.
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* Copyright (C) 2016-2018, Loongson Technology Corporation Limited, BeiJing.
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* All Rights Reserved.
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* Authors: ZhuChen <zhuchen@loongson.cn>
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* SunZhangzhi <sunzhangzhi-cq@loongson.cn>
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* CaiWanwei <caiwanwei@loongson.cn>
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*
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* Based on the x86 SIMD extension for IJG JPEG library
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* Copyright (C) 1999-2006, MIYASAKA Masaru.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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/* This file is included by jdcolor-mmi.c */
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#if RGB_RED == 0
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#define mmA re
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#define mmB ro
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#elif RGB_GREEN == 0
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#define mmA ge
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#define mmB go
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#elif RGB_BLUE == 0
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#define mmA be
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#define mmB bo
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#else
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#define mmA xe
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#define mmB xo
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#endif
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#if RGB_RED == 1
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#define mmC re
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#define mmD ro
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#elif RGB_GREEN == 1
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#define mmC ge
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#define mmD go
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#elif RGB_BLUE == 1
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#define mmC be
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#define mmD bo
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#else
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#define mmC xe
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#define mmD xo
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#endif
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#if RGB_RED == 2
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#define mmE re
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#define mmF ro
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#elif RGB_GREEN == 2
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#define mmE ge
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#define mmF go
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#elif RGB_BLUE == 2
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#define mmE be
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#define mmF bo
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#else
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#define mmE xe
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#define mmF xo
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#endif
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#if RGB_RED == 3
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#define mmG re
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#define mmH ro
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#elif RGB_GREEN == 3
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#define mmG ge
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#define mmH go
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#elif RGB_BLUE == 3
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#define mmG be
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#define mmH bo
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#else
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#define mmG xe
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#define mmH xo
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#endif
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void jsimd_ycc_rgb_convert_mmi(JDIMENSION out_width, JSAMPIMAGE input_buf,
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JDIMENSION input_row, JSAMPARRAY output_buf,
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int num_rows)
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{
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JSAMPROW outptr, inptr0, inptr1, inptr2;
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int num_cols, col;
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__m64 ye, yo, y, cbe, cbe2, cbo, cbo2, cb, cre, cre2, cro, cro2, cr;
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__m64 re, ro, gle, ghe, ge, glo, gho, go, be, bo, xe = 0.0, xo = 0.0;
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__m64 decenter, mask;
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while (--num_rows >= 0) {
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inptr0 = input_buf[0][input_row];
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inptr1 = input_buf[1][input_row];
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inptr2 = input_buf[2][input_row];
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input_row++;
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outptr = *output_buf++;
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for (num_cols = out_width; num_cols > 0; num_cols -= 8,
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inptr0 += 8, inptr1 += 8, inptr2 += 8) {
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cb = _mm_load_si64((__m64 *)inptr1);
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cr = _mm_load_si64((__m64 *)inptr2);
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y = _mm_load_si64((__m64 *)inptr0);
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mask = decenter = 0.0;
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mask = _mm_cmpeq_pi16(mask, mask);
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decenter = _mm_cmpeq_pi16(decenter, decenter);
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mask = _mm_srli_pi16(mask, BYTE_BIT); /* {0xFF 0x00 0xFF 0x00 ..} */
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decenter = _mm_slli_pi16(decenter, 7); /* {0xFF80 0xFF80 0xFF80 0xFF80} */
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cbe = _mm_and_si64(mask, cb); /* Cb(0246) */
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cbo = _mm_srli_pi16(cb, BYTE_BIT); /* Cb(1357) */
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cre = _mm_and_si64(mask, cr); /* Cr(0246) */
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cro = _mm_srli_pi16(cr, BYTE_BIT); /* Cr(1357) */
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cbe = _mm_add_pi16(cbe, decenter);
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cbo = _mm_add_pi16(cbo, decenter);
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cre = _mm_add_pi16(cre, decenter);
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cro = _mm_add_pi16(cro, decenter);
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/* (Original)
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* R = Y + 1.40200 * Cr
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* G = Y - 0.34414 * Cb - 0.71414 * Cr
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* B = Y + 1.77200 * Cb
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*
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* (This implementation)
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* R = Y + 0.40200 * Cr + Cr
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* G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr
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* B = Y - 0.22800 * Cb + Cb + Cb
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*/
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cbe2 = _mm_add_pi16(cbe, cbe); /* 2*CbE */
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cbo2 = _mm_add_pi16(cbo, cbo); /* 2*CbO */
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cre2 = _mm_add_pi16(cre, cre); /* 2*CrE */
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cro2 = _mm_add_pi16(cro, cro); /* 2*CrO */
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be = _mm_mulhi_pi16(cbe2, PW_MF0228); /* (2*CbE * -FIX(0.22800) */
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bo = _mm_mulhi_pi16(cbo2, PW_MF0228); /* (2*CbO * -FIX(0.22800) */
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re = _mm_mulhi_pi16(cre2, PW_F0402); /* (2*CrE * FIX(0.40200)) */
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ro = _mm_mulhi_pi16(cro2, PW_F0402); /* (2*CrO * FIX(0.40200)) */
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be = _mm_add_pi16(be, PW_ONE);
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bo = _mm_add_pi16(bo, PW_ONE);
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be = _mm_srai_pi16(be, 1); /* (CbE * -FIX(0.22800)) */
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bo = _mm_srai_pi16(bo, 1); /* (CbO * -FIX(0.22800)) */
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re = _mm_add_pi16(re, PW_ONE);
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ro = _mm_add_pi16(ro, PW_ONE);
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re = _mm_srai_pi16(re, 1); /* (CrE * FIX(0.40200)) */
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ro = _mm_srai_pi16(ro, 1); /* (CrO * FIX(0.40200)) */
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be = _mm_add_pi16(be, cbe);
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bo = _mm_add_pi16(bo, cbo);
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be = _mm_add_pi16(be, cbe); /* (CbE * FIX(1.77200))=(B-Y)E */
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bo = _mm_add_pi16(bo, cbo); /* (CbO * FIX(1.77200))=(B-Y)O */
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re = _mm_add_pi16(re, cre); /* (CrE * FIX(1.40200))=(R-Y)E */
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ro = _mm_add_pi16(ro, cro); /* (CrO * FIX(1.40200))=(R-Y)O */
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gle = _mm_unpacklo_pi16(cbe, cre);
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ghe = _mm_unpackhi_pi16(cbe, cre);
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gle = _mm_madd_pi16(gle, PW_MF0344_F0285);
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ghe = _mm_madd_pi16(ghe, PW_MF0344_F0285);
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glo = _mm_unpacklo_pi16(cbo, cro);
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gho = _mm_unpackhi_pi16(cbo, cro);
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glo = _mm_madd_pi16(glo, PW_MF0344_F0285);
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gho = _mm_madd_pi16(gho, PW_MF0344_F0285);
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gle = _mm_add_pi32(gle, PD_ONEHALF);
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ghe = _mm_add_pi32(ghe, PD_ONEHALF);
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gle = _mm_srai_pi32(gle, SCALEBITS);
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ghe = _mm_srai_pi32(ghe, SCALEBITS);
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glo = _mm_add_pi32(glo, PD_ONEHALF);
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gho = _mm_add_pi32(gho, PD_ONEHALF);
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glo = _mm_srai_pi32(glo, SCALEBITS);
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gho = _mm_srai_pi32(gho, SCALEBITS);
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ge = _mm_packs_pi32(gle, ghe); /* CbE*-FIX(0.344)+CrE*FIX(0.285) */
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go = _mm_packs_pi32(glo, gho); /* CbO*-FIX(0.344)+CrO*FIX(0.285) */
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ge = _mm_sub_pi16(ge, cre); /* CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E */
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go = _mm_sub_pi16(go, cro); /* CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O */
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ye = _mm_and_si64(mask, y); /* Y(0246) */
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yo = _mm_srli_pi16(y, BYTE_BIT); /* Y(1357) */
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re = _mm_add_pi16(re, ye); /* ((R-Y)E+YE)=(R0 R2 R4 R6) */
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ro = _mm_add_pi16(ro, yo); /* ((R-Y)O+YO)=(R1 R3 R5 R7) */
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re = _mm_packs_pu16(re, re); /* (R0 R2 R4 R6 ** ** ** **) */
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ro = _mm_packs_pu16(ro, ro); /* (R1 R3 R5 R7 ** ** ** **) */
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ge = _mm_add_pi16(ge, ye); /* ((G-Y)E+YE)=(G0 G2 G4 G6) */
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go = _mm_add_pi16(go, yo); /* ((G-Y)O+YO)=(G1 G3 G5 G7) */
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ge = _mm_packs_pu16(ge, ge); /* (G0 G2 G4 G6 ** ** ** **) */
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go = _mm_packs_pu16(go, go); /* (G1 G3 G5 G7 ** ** ** **) */
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be = _mm_add_pi16(be, ye); /* (YE+(B-Y)E)=(B0 B2 B4 B6) */
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bo = _mm_add_pi16(bo, yo); /* (YO+(B-Y)O)=(B1 B3 B5 B7) */
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be = _mm_packs_pu16(be, be); /* (B0 B2 B4 B6 ** ** ** **) */
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bo = _mm_packs_pu16(bo, bo); /* (B1 B3 B5 B7 ** ** ** **) */
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#if RGB_PIXELSIZE == 3
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/* mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) */
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/* mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) */
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mmA = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
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mmE = _mm_unpacklo_pi8(mmE, mmB); /* (20 01 22 03 24 05 26 07) */
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mmD = _mm_unpacklo_pi8(mmD, mmF); /* (11 21 13 23 15 25 17 27) */
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mmH = _mm_srli_si64(mmA, 2 * BYTE_BIT);
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mmG = _mm_unpackhi_pi16(mmA, mmE); /* (04 14 24 05 06 16 26 07) */
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mmA = _mm_unpacklo_pi16(mmA, mmE); /* (00 10 20 01 02 12 22 03) */
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mmE = _mm_srli_si64(mmE, 2 * BYTE_BIT);
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mmB = _mm_srli_si64(mmD, 2 * BYTE_BIT); /* (13 23 15 25 17 27 -- --) */
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mmC = _mm_unpackhi_pi16(mmD, mmH); /* (15 25 06 16 17 27 -- --) */
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mmD = _mm_unpacklo_pi16(mmD, mmH); /* (11 21 02 12 13 23 04 14) */
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mmF = _mm_unpackhi_pi16(mmE, mmB); /* (26 07 17 27 -- -- -- --) */
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mmE = _mm_unpacklo_pi16(mmE, mmB); /* (22 03 13 23 24 05 15 25) */
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mmA = _mm_unpacklo_pi32(mmA, mmD); /* (00 10 20 01 11 21 02 12) */
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mmE = _mm_unpacklo_pi32(mmE, mmG); /* (22 03 13 23 04 14 24 05) */
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mmC = _mm_unpacklo_pi32(mmC, mmF); /* (15 25 06 16 26 07 17 27) */
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if (num_cols >= 8) {
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if (!(((long)outptr) & 7)) {
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_mm_store_si64((__m64 *)outptr, mmA);
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_mm_store_si64((__m64 *)(outptr + 8), mmE);
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_mm_store_si64((__m64 *)(outptr + 16), mmC);
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} else {
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_mm_storeu_si64((__m64 *)outptr, mmA);
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_mm_storeu_si64((__m64 *)(outptr + 8), mmE);
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_mm_storeu_si64((__m64 *)(outptr + 16), mmC);
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}
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outptr += RGB_PIXELSIZE * 8;
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} else {
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col = num_cols * 3;
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asm(".set noreorder\r\n"
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"li $8, 16\r\n"
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"move $9, %4\r\n"
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"mov.s $f4, %1\r\n"
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"mov.s $f6, %3\r\n"
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"move $10, %5\r\n"
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"bltu $9, $8, 1f\r\n"
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"nop \r\n"
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"gssdlc1 $f4, 7($10)\r\n"
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"gssdrc1 $f4, 0($10)\r\n"
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"gssdlc1 $f6, 7+8($10)\r\n"
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"gssdrc1 $f6, 8($10)\r\n"
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"mov.s $f4, %2\r\n"
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"subu $9, $9, 16\r\n"
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PTR_ADDU "$10, $10, 16\r\n"
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"b 2f\r\n"
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"nop \r\n"
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"1: \r\n"
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"li $8, 8\r\n" /* st8 */
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"bltu $9, $8, 2f\r\n"
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"nop \r\n"
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"gssdlc1 $f4, 7($10)\r\n"
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"gssdrc1 $f4, 0($10)\r\n"
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"mov.s $f4, %3\r\n"
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"subu $9, $9, 8\r\n"
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PTR_ADDU "$10, $10, 8\r\n"
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"2: \r\n"
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"li $8, 4\r\n" /* st4 */
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"mfc1 $11, $f4\r\n"
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"bltu $9, $8, 3f\r\n"
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"nop \r\n"
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"swl $11, 3($10)\r\n"
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"swr $11, 0($10)\r\n"
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"li $8, 32\r\n"
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"mtc1 $8, $f6\r\n"
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"dsrl $f4, $f4, $f6\r\n"
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"mfc1 $11, $f4\r\n"
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"subu $9, $9, 4\r\n"
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PTR_ADDU "$10, $10, 4\r\n"
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"3: \r\n"
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"li $8, 2\r\n" /* st2 */
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"bltu $9, $8, 4f\r\n"
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"nop \r\n"
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"ush $11, 0($10)\r\n"
|
||
|
|
"srl $11, 16\r\n"
|
||
|
|
"subu $9, $9, 2\r\n"
|
||
|
|
PTR_ADDU "$10, $10, 2\r\n"
|
||
|
|
|
||
|
|
"4: \r\n"
|
||
|
|
"li $8, 1\r\n" /* st1 */
|
||
|
|
"bltu $9, $8, 5f\r\n"
|
||
|
|
"nop \r\n"
|
||
|
|
"sb $11, 0($10)\r\n"
|
||
|
|
|
||
|
|
"5: \r\n"
|
||
|
|
"nop \r\n" /* end */
|
||
|
|
: "=m" (*outptr)
|
||
|
|
: "f" (mmA), "f" (mmC), "f" (mmE), "r" (col), "r" (outptr)
|
||
|
|
: "$f4", "$f6", "$8", "$9", "$10", "$11", "memory"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#else /* RGB_PIXELSIZE == 4 */
|
||
|
|
|
||
|
|
#ifdef RGBX_FILLER_0XFF
|
||
|
|
xe = _mm_cmpeq_pi8(xe, xe);
|
||
|
|
xo = _mm_cmpeq_pi8(xo, xo);
|
||
|
|
#else
|
||
|
|
xe = _mm_xor_si64(xe, xe);
|
||
|
|
xo = _mm_xor_si64(xo, xo);
|
||
|
|
#endif
|
||
|
|
/* mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) */
|
||
|
|
/* mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) */
|
||
|
|
/* mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) */
|
||
|
|
/* mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **) */
|
||
|
|
|
||
|
|
mmA = _mm_unpacklo_pi8(mmA, mmC); /* (00 10 02 12 04 14 06 16) */
|
||
|
|
mmE = _mm_unpacklo_pi8(mmE, mmG); /* (20 30 22 32 24 34 26 36) */
|
||
|
|
mmB = _mm_unpacklo_pi8(mmB, mmD); /* (01 11 03 13 05 15 07 17) */
|
||
|
|
mmF = _mm_unpacklo_pi8(mmF, mmH); /* (21 31 23 33 25 35 27 37) */
|
||
|
|
|
||
|
|
mmC = _mm_unpackhi_pi16(mmA, mmE); /* (04 14 24 34 06 16 26 36) */
|
||
|
|
mmA = _mm_unpacklo_pi16(mmA, mmE); /* (00 10 20 30 02 12 22 32) */
|
||
|
|
mmG = _mm_unpackhi_pi16(mmB, mmF); /* (05 15 25 35 07 17 27 37) */
|
||
|
|
mmB = _mm_unpacklo_pi16(mmB, mmF); /* (01 11 21 31 03 13 23 33) */
|
||
|
|
|
||
|
|
mmD = _mm_unpackhi_pi32(mmA, mmB); /* (02 12 22 32 03 13 23 33) */
|
||
|
|
mmA = _mm_unpacklo_pi32(mmA, mmB); /* (00 10 20 30 01 11 21 31) */
|
||
|
|
mmH = _mm_unpackhi_pi32(mmC, mmG); /* (06 16 26 36 07 17 27 37) */
|
||
|
|
mmC = _mm_unpacklo_pi32(mmC, mmG); /* (04 14 24 34 05 15 25 35) */
|
||
|
|
|
||
|
|
if (num_cols >= 8) {
|
||
|
|
if (!(((long)outptr) & 7)) {
|
||
|
|
_mm_store_si64((__m64 *)outptr, mmA);
|
||
|
|
_mm_store_si64((__m64 *)(outptr + 8), mmD);
|
||
|
|
_mm_store_si64((__m64 *)(outptr + 16), mmC);
|
||
|
|
_mm_store_si64((__m64 *)(outptr + 24), mmH);
|
||
|
|
} else {
|
||
|
|
_mm_storeu_si64((__m64 *)outptr, mmA);
|
||
|
|
_mm_storeu_si64((__m64 *)(outptr + 8), mmD);
|
||
|
|
_mm_storeu_si64((__m64 *)(outptr + 16), mmC);
|
||
|
|
_mm_storeu_si64((__m64 *)(outptr + 24), mmH);
|
||
|
|
}
|
||
|
|
outptr += RGB_PIXELSIZE * 8;
|
||
|
|
} else {
|
||
|
|
col = num_cols;
|
||
|
|
asm(".set noreorder\r\n" /* st16 */
|
||
|
|
|
||
|
|
"li $8, 4\r\n"
|
||
|
|
"move $9, %6\r\n"
|
||
|
|
"move $10, %7\r\n"
|
||
|
|
"mov.s $f4, %2\r\n"
|
||
|
|
"mov.s $f6, %4\r\n"
|
||
|
|
"bltu $9, $8, 1f\r\n"
|
||
|
|
"nop \r\n"
|
||
|
|
"gssdlc1 $f4, 7($10)\r\n"
|
||
|
|
"gssdrc1 $f4, 0($10)\r\n"
|
||
|
|
"gssdlc1 $f6, 7+8($10)\r\n"
|
||
|
|
"gssdrc1 $f6, 8($10)\r\n"
|
||
|
|
"mov.s $f4, %3\r\n"
|
||
|
|
"mov.s $f6, %5\r\n"
|
||
|
|
"subu $9, $9, 4\r\n"
|
||
|
|
PTR_ADDU "$10, $10, 16\r\n"
|
||
|
|
|
||
|
|
"1: \r\n"
|
||
|
|
"li $8, 2\r\n" /* st8 */
|
||
|
|
"bltu $9, $8, 2f\r\n"
|
||
|
|
"nop \r\n"
|
||
|
|
"gssdlc1 $f4, 7($10)\r\n"
|
||
|
|
"gssdrc1 $f4, 0($10)\r\n"
|
||
|
|
"mov.s $f4, $f6\r\n"
|
||
|
|
"subu $9, $9, 2\r\n"
|
||
|
|
PTR_ADDU "$10, $10, 8\r\n"
|
||
|
|
|
||
|
|
"2: \r\n"
|
||
|
|
"li $8, 1\r\n" /* st4 */
|
||
|
|
"bltu $9, $8, 3f\r\n"
|
||
|
|
"nop \r\n"
|
||
|
|
"gsswlc1 $f4, 3($10)\r\n"
|
||
|
|
"gsswrc1 $f4, 0($10)\r\n"
|
||
|
|
|
||
|
|
"3: \r\n"
|
||
|
|
"li %1, 0\r\n" /* end */
|
||
|
|
: "=m" (*outptr), "=r" (col)
|
||
|
|
: "f" (mmA), "f" (mmC), "f" (mmD), "f" (mmH), "r" (col),
|
||
|
|
"r" (outptr)
|
||
|
|
: "$f4", "$f6", "$8", "$9", "$10", "memory"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef mmA
|
||
|
|
#undef mmB
|
||
|
|
#undef mmC
|
||
|
|
#undef mmD
|
||
|
|
#undef mmE
|
||
|
|
#undef mmF
|
||
|
|
#undef mmG
|
||
|
|
#undef mmH
|