mirror of
https://github.com/CTCaer/RetroArch.git
synced 2024-12-26 12:47:37 +00:00
597 lines
21 KiB
C
597 lines
21 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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Hyllian's 2xBR v3.3a
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Copyright (C) 2011, 2014 Hyllian/Jararaca - sergiogdb@gmail.com
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// Compile: gcc -o twoxbr.so -shared twoxbr.c -std=c99 -O3 -Wall -pedantic -fPIC
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#include "softfilter.h"
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#include <stdlib.h>
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#ifdef RARCH_INTERNAL
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#define softfilter_get_implementation twoxbr_get_implementation
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#endif
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#define TWOXBR_SCALE 2
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static unsigned twoxbr_generic_input_fmts(void)
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{
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return SOFTFILTER_FMT_RGB565 | SOFTFILTER_FMT_XRGB8888;
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}
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static unsigned twoxbr_generic_output_fmts(unsigned input_fmts)
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{
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return input_fmts;
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}
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static unsigned twoxbr_generic_threads(void *data)
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{
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struct filter_data *filt = (struct filter_data*)data;
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return filt->threads;
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}
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static void *twoxbr_generic_create(unsigned in_fmt, unsigned out_fmt,
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unsigned max_width, unsigned max_height,
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unsigned threads, softfilter_simd_mask_t simd)
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{
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(void)simd;
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struct filter_data *filt = (struct filter_data*)calloc(1, sizeof(*filt));
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if (!filt)
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return NULL;
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filt->workers = (struct softfilter_thread_data*)calloc(threads, sizeof(struct softfilter_thread_data));
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filt->threads = threads;
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filt->in_fmt = in_fmt;
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if (!filt->workers)
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{
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free(filt);
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return NULL;
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}
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return filt;
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}
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static void twoxbr_generic_output(void *data, unsigned *out_width, unsigned *out_height,
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unsigned width, unsigned height)
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{
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*out_width = width * TWOXBR_SCALE;
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*out_height = height * TWOXBR_SCALE;
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}
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static void twoxbr_generic_destroy(void *data)
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{
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struct filter_data *filt = (struct filter_data*)data;
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free(filt->workers);
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free(filt);
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}
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static uint8_t initialized = 0;
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uint16_t RGBtoYUV[65536];
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const static uint16_t tbl_5_to_8[32]={0, 8, 16, 25, 33, 41, 49, 58, 66, 74, 82, 90, 99, 107, 115, 123, 132, 140, 148, 156, 165, 173, 181, 189, 197, 206, 214, 222, 230, 239, 247, 255};
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const static uint16_t tbl_6_to_8[64]={0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 45, 49, 53, 57, 61, 65, 69, 73, 77, 81, 85, 89, 93, 97, 101, 105, 109, 113, 117, 121, 125, 130, 134, 138, 142, 146, 150, 154, 158, 162, 166, 170, 174, 178, 182, 186, 190, 194, 198, 202, 206, 210, 215, 219, 223, 227, 231, 235, 239, 243, 247, 251, 255};
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//---------------------------------------------------------------------------------------------------------------------------
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#define RED_MASK565 0xF800
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#define GREEN_MASK565 0x07E0
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#define BLUE_MASK565 0x001F
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#define PG_LBMASK565 0xF7DE
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#define RED_MASK8888 0x000000FF
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#define GREEN_MASK8888 0x0000FF00
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#define BLUE_MASK8888 0x00FF0000
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#define PG_LBMASK8888 0xFEFEFEFE
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#define ALPHA_MASK8888 0xFF000000
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#define ALPHA_BLEND_128_W(dst, src) dst = ((src & pg_lbmask) >> 1) + ((dst & pg_lbmask) >> 1)
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#define ALPHA_BLEND_32_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask))) >>3))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask))) >>3))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask))) >>3))) )
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#define ALPHA_BLEND_8888_32_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask))) >>3))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask))) >>3))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask))) >>3))) ) +\
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pg_alpha_mask
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#define ALPHA_BLEND_64_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask))) >>2))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask))) >>2))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask))) >>2))) )
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#define ALPHA_BLEND_8888_64_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask))) >>2))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask))) >>2))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask))) >>2))) ) +\
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pg_alpha_mask
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#define ALPHA_BLEND_192_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask)) * 192) >>8))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask)) * 192) >>8))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask)) * 192) >>8))) )
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#define ALPHA_BLEND_8888_192_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask)) * 192) >>8))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask)) * 192) >>8))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask)) * 192) >>8))) ) +\
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pg_alpha_mask
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#define ALPHA_BLEND_224_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask)) * 224) >>8))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask)) * 224) >>8))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask)) * 224) >>8))) );
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#define ALPHA_BLEND_8888_224_W(dst, src) \
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dst = ( \
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(pg_red_mask & ((dst & pg_red_mask) + \
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((((src & pg_red_mask) - \
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(dst & pg_red_mask)) * 224) >>8))) | \
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(pg_green_mask & ((dst & pg_green_mask) + \
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((((src & pg_green_mask) - \
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(dst & pg_green_mask)) * 224) >>8))) | \
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(pg_blue_mask & ((dst & pg_blue_mask) + \
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((((src & pg_blue_mask) - \
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(dst & pg_blue_mask)) * 224) >>8))) ) +\
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pg_alpha_mask
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#define LEFT_UP_2_2X(N3, N2, N1, PIXEL)\
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ALPHA_BLEND_224_W(E[N3], PIXEL); \
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ALPHA_BLEND_64_W( E[N2], PIXEL); \
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E[N1] = E[N2]; \
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#define LEFT_2_2X(N3, N2, PIXEL)\
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ALPHA_BLEND_192_W(E[N3], PIXEL); \
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ALPHA_BLEND_64_W( E[N2], PIXEL); \
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#define UP_2_2X(N3, N1, PIXEL)\
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ALPHA_BLEND_192_W(E[N3], PIXEL); \
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ALPHA_BLEND_64_W( E[N1], PIXEL); \
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#define DIA_2X(N3, PIXEL)\
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ALPHA_BLEND_128_W(E[N3], PIXEL); \
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#define LEFT_UP_2_8888_2X(N3, N2, N1, PIXEL)\
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ALPHA_BLEND_8888_224_W(E[N3], PIXEL); \
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ALPHA_BLEND_8888_64_W( E[N2], PIXEL); \
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E[N1] = E[N2]; \
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#define LEFT_2_8888_2X(N3, N2, PIXEL)\
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ALPHA_BLEND_8888_192_W(E[N3], PIXEL); \
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ALPHA_BLEND_8888_64_W( E[N2], PIXEL); \
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#define UP_2_8888_2X(N3, N1, PIXEL)\
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ALPHA_BLEND_8888_192_W(E[N3], PIXEL); \
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ALPHA_BLEND_8888_64_W( E[N1], PIXEL); \
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#define DIA_8888_2X(N3, PIXEL)\
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ALPHA_BLEND_128_W(E[N3], PIXEL); \
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#define df(A, B)\
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abs(RGBtoYUV[A] - RGBtoYUV[B])\
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#define eq(A, B)\
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(df(A, B) < 155)\
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float df8(uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask, uint32_t pg_blue_mask)
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{
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uint32_t r, g, b;
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uint32_t y, u, v;
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b = abs((int)(((A & pg_blue_mask )>>16) - ((B & pg_blue_mask )>> 16)));
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g = abs((int)(((A & pg_green_mask)>>8 ) - ((B & pg_green_mask )>> 8)));
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r = abs((int)(((A & pg_red_mask ) - (B & pg_red_mask ))));
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y = abs(0.299*r + 0.587*g + 0.114*b);
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u = abs(-0.169*r - 0.331*g + 0.500*b);
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v = abs(0.500*r - 0.419*g - 0.081*b);
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return 48*y + 7*u + 6*v;
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}
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int eq8(uint32_t A, uint32_t B, uint32_t pg_red_mask, uint32_t pg_green_mask, uint32_t pg_blue_mask)
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{
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uint32_t r, g, b;
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uint32_t y, u, v;
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b = abs((int)(((A & pg_blue_mask )>>16) - ((B & pg_blue_mask )>> 16)));
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g = abs((int)(((A & pg_green_mask)>>8 ) - ((B & pg_green_mask )>> 8)));
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r = abs((int)(( A & pg_red_mask ) - ( B & pg_red_mask )));
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y = abs(0.299*r + 0.587*g + 0.114*b);
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u = abs(-0.169*r - 0.331*g + 0.500*b);
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v = abs(0.500*r - 0.419*g - 0.081*b);
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return ((48 >= y) && (7 >= u) && (6 >= v)) ? 1 : 0;
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}
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#define FILTRO_RGB565(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, N0, N1, N2, N3, pg_red_mask, pg_green_mask, pg_blue_mask) \
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ex = (PE!=PH && PE!=PF); \
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if ( ex )\
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{\
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e = (df(PE,PC)+df(PE,PG)+df(PI,H5)+df(PI,F4))+(df(PH,PF)<<2); \
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i = (df(PH,PD)+df(PH,I5)+df(PF,I4)+df(PF,PB))+(df(PE,PI)<<2); \
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if ((e<i) && ( (!eq(PF,PB) && !eq(PF,PC)) || (!eq(PH,PD) && !eq(PH,PG)) || (eq(PE,PI) && ((!eq(PF,F4) && !eq(PF,I4)) || (!eq(PH,H5) && !eq(PH,I5)))) || eq(PE,PG) || eq(PE,PC)) )\
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{\
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ke=df(PF,PG); ki=df(PH,PC); \
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ex2 = (PE!=PC && PB!=PC); ex3 = (PE!=PG && PD!=PG); px = (df(PE,PF) <= df(PE,PH)) ? PF : PH; \
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if ( ((ke<<1)<=ki) && ex3 && (ke>=(ki<<1)) && ex2 ) \
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{\
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LEFT_UP_2_2X(N3, N2, N1, px)\
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}\
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else if ( ((ke<<1)<=ki) && ex3 ) \
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{\
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LEFT_2_2X(N3, N2, px);\
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}\
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else if ( (ke>=(ki<<1)) && ex2 ) \
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{\
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UP_2_2X(N3, N1, px);\
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}\
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else \
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{\
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DIA_2X(N3, px);\
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}\
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}\
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else if (e<=i)\
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{\
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ALPHA_BLEND_128_W( E[N3], ((df(PE,PF) <= df(PE,PH)) ? PF : PH)); \
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}\
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}\
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#define FILTRO_RGB8888(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, N0, N1, N2, N3, pg_red_mask, pg_green_mask, pg_blue_mask) \
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ex = (PE!=PH && PE!=PF); \
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if ( ex )\
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{\
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e = (df8(PE,PC, pg_red_mask, pg_green_mask, pg_blue_mask ) + df8(PE,PG, pg_red_mask, pg_green_mask, pg_blue_mask) + \
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df8(PI,H5, pg_red_mask, pg_green_mask, pg_blue_mask ) + df8(PI,F4, pg_red_mask, pg_green_mask, pg_blue_mask))+(4 * (df8(PH,PF, pg_red_mask, pg_green_mask, pg_blue_mask))); \
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i = (df8(PH,PD, pg_red_mask, pg_green_mask, pg_blue_mask) + df8(PH,I5, pg_red_mask, pg_green_mask, pg_blue_mask) + \
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df8(PF,I4, pg_red_mask, pg_green_mask, pg_blue_mask) + df8(PF,PB, pg_red_mask, pg_green_mask, pg_blue_mask))+(4 * (df8(PE,PI, pg_red_mask, pg_green_mask, pg_blue_mask))); \
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if ((e<i) && ( (!eq8(PF,PB, pg_red_mask, pg_green_mask, pg_blue_mask) && !eq8(PF,PC, pg_red_mask, pg_green_mask, pg_blue_mask)) || (!eq8(PH,PD, pg_red_mask, pg_green_mask, pg_blue_mask) && !eq8(PH,PG, pg_red_mask, pg_green_mask, pg_blue_mask)) || (eq8(PE,PI, pg_red_mask, pg_green_mask, pg_blue_mask) && ((!eq8(PF,F4, pg_red_mask, pg_green_mask, pg_blue_mask) && !eq8(PF,I4, pg_red_mask, pg_green_mask, pg_blue_mask)) || (!eq8(PH,H5, pg_red_mask, pg_green_mask,pg_blue_mask) && !eq8(PH,I5, pg_red_mask, pg_green_mask, pg_blue_mask)))) || eq8(PE,PG, pg_red_mask, pg_green_mask, pg_blue_mask) || eq8(PE,PC, pg_red_mask, pg_green_mask, pg_blue_mask)) )\
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{\
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ke=df8(PF,PG, pg_red_mask, pg_green_mask, pg_blue_mask); ki=df8(PH,PC, pg_red_mask, pg_green_mask, pg_blue_mask); \
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ex2 = (PE!=PC && PB!=PC); ex3 = (PE!=PG && PD!=PG); px = (df8(PE,PF, pg_red_mask, pg_green_mask, pg_blue_mask) <= df8(PE,PH, pg_red_mask, pg_green_mask, pg_blue_mask)) ? PF : PH; \
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if ( ((ke<<1)<=ki) && ex3 && (ke>=(ki<<1)) && ex2 ) \
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{\
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LEFT_UP_2_8888_2X(N3, N2, N1, px)\
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}\
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else if ( ((ke<<1)<=ki) && ex3 ) \
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{\
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LEFT_2_8888_2X(N3, N2, px);\
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}\
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else if ( (ke>=(ki<<1)) && ex2 ) \
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{\
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UP_2_8888_2X(N3, N1, px);\
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}\
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else \
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{\
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DIA_8888_2X(N3, px);\
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}\
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}\
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else if (e<=i)\
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{\
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ALPHA_BLEND_128_W( E[N3], ((df8(PE,PF, pg_red_mask, pg_green_mask, pg_blue_mask) <= df8(PE,PH, pg_red_mask, pg_green_mask, pg_blue_mask)) ? PF : PH)); \
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}\
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}\
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#define twoxbr_declare_variables(typename_t, in, nextline) \
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typename_t E[4]; \
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typename_t ex, e, i, ke, ki, ex2, ex3, px; \
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typename_t A1 = *(in - nextline - nextline - 1); \
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typename_t B1 = *(in - nextline - nextline); \
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typename_t C1 = *(in - nextline - nextline + 1); \
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typename_t A0 = *(in - nextline - 2); \
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typename_t PA = *(in - nextline - 1); \
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typename_t PB = *(in - nextline); \
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typename_t PC = *(in - nextline + 1); \
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typename_t C4 = *(in - nextline + 2); \
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typename_t D0 = *(in - 2); \
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typename_t PD = *(in - 1); \
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typename_t PE = *(in); \
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typename_t PF = *(in + 1); \
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typename_t F4 = *(in + 2); \
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typename_t G0 = *(in + nextline - 2); \
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typename_t PG = *(in + nextline - 1); \
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typename_t PH = *(in + nextline); \
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typename_t PI = *(in + nextline + 1); \
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typename_t I4 = *(in + nextline + 2); \
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typename_t G5 = *(in + nextline + nextline - 1); \
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typename_t H5 = *(in + nextline + nextline); \
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typename_t I5 = *(in + nextline + nextline + 1); \
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#ifndef twoxbr_function
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#define twoxbr_function(FILTRO) \
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E[0] = E[1] = E[2] = E[3] = PE;\
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FILTRO(PE, PI, PH, PF, PG, PC, PD, PB, PA, G5, C4, G0, D0, C1, B1, F4, I4, H5, I5, A0, A1, 0, 1, 2, 3, pg_red_mask, pg_green_mask, pg_blue_mask);\
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FILTRO(PE, PC, PF, PB, PI, PA, PH, PD, PG, I4, A1, I5, H5, A0, D0, B1, C1, F4, C4, G5, G0, 2, 0, 3, 1, pg_red_mask, pg_green_mask, pg_blue_mask);\
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FILTRO(PE, PA, PB, PD, PC, PG, PF, PH, PI, C1, G0, C4, F4, G5, H5, D0, A0, B1, A1, I4, I5, 3, 2, 1, 0, pg_red_mask, pg_green_mask, pg_blue_mask);\
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FILTRO(PE, PG, PD, PH, PA, PI, PB, PF, PC, A0, I5, A1, B1, I4, F4, H5, G5, D0, G0, C1, C4, 1, 3, 0, 2, pg_red_mask, pg_green_mask, pg_blue_mask);\
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out[0] = E[0]; \
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out[1] = E[1]; \
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out[dst_stride] = E[2]; \
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out[dst_stride + 1] = E[3]; \
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++in; \
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out += 2
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#endif
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static void SetupFormat(void)
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{
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uint16_t r, g, b, y, u, v;
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uint32_t c;
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|
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for (c = 0; c < 65536; c++)
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{
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r = tbl_5_to_8[(c & RED_MASK565) >> 11];
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g = tbl_6_to_8[(c & GREEN_MASK565) >> 5];
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b = tbl_5_to_8[(c & BLUE_MASK565) ];
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y = ((r<<4) + (g<<5) + (b<<2));
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u = ( -r - (g<<1) + (b<<2));
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v = ((r<<1) - (g<<1) - (b>>1));
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RGBtoYUV[c] = y + u + v;
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}
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|
}
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|
|
|
|
|
static void twoxbr_generic_xrgb8888(unsigned width, unsigned height,
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|
int first, int last, uint32_t *src,
|
|
unsigned src_stride, uint32_t *dst, unsigned dst_stride)
|
|
{
|
|
uint32_t pg_red_mask = RED_MASK8888;
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|
uint32_t pg_green_mask = GREEN_MASK8888;
|
|
uint32_t pg_blue_mask = BLUE_MASK8888;
|
|
uint32_t pg_lbmask = PG_LBMASK8888;
|
|
uint32_t pg_alpha_mask = ALPHA_MASK8888;
|
|
unsigned nextline, finish;
|
|
nextline = (last) ? 0 : src_stride;
|
|
|
|
if (!initialized)
|
|
{
|
|
initialized = 1;
|
|
}
|
|
|
|
|
|
for (; height; height--)
|
|
{
|
|
uint32_t *in = (uint32_t*)src;
|
|
uint32_t *out = (uint32_t*)dst;
|
|
|
|
for (finish = width; finish; finish -= 1)
|
|
{
|
|
twoxbr_declare_variables(uint32_t, in, nextline);
|
|
|
|
//---------------------------------------
|
|
// Map of the pixels: A1 B1 C1
|
|
// A0 PA PB PC C4
|
|
// D0 PD PE PF F4
|
|
// G0 PG PH PI I4
|
|
// G5 H5 I5
|
|
|
|
twoxbr_function(FILTRO_RGB8888);
|
|
}
|
|
|
|
src += src_stride;
|
|
dst += 2 * dst_stride;
|
|
}
|
|
}
|
|
|
|
static void twoxbr_generic_rgb565(unsigned width, unsigned height,
|
|
int first, int last, uint16_t *src,
|
|
unsigned src_stride, uint16_t *dst, unsigned dst_stride)
|
|
{
|
|
uint16_t pg_red_mask, pg_green_mask, pg_blue_mask, pg_lbmask;
|
|
unsigned nextline, finish;
|
|
|
|
pg_red_mask = RED_MASK565;
|
|
pg_green_mask = GREEN_MASK565;
|
|
pg_blue_mask = BLUE_MASK565;
|
|
pg_lbmask = PG_LBMASK565;
|
|
nextline = (last) ? 0 : src_stride;
|
|
|
|
if (!initialized)
|
|
{
|
|
SetupFormat();
|
|
initialized = 1;
|
|
}
|
|
|
|
for (; height; height--)
|
|
{
|
|
uint16_t *in = (uint16_t*)src;
|
|
uint16_t *out = (uint16_t*)dst;
|
|
|
|
for (finish = width; finish; finish -= 1)
|
|
{
|
|
twoxbr_declare_variables(uint16_t, in, nextline);
|
|
|
|
//---------------------------------------
|
|
// Map of the pixels: A1 B1 C1
|
|
// A0 PA PB PC C4
|
|
// D0 PD PE PF F4
|
|
// G0 PG PH PI I4
|
|
// G5 H5 I5
|
|
|
|
twoxbr_function(FILTRO_RGB565);
|
|
}
|
|
|
|
src += src_stride;
|
|
dst += 2 * dst_stride;
|
|
}
|
|
}
|
|
|
|
static void twoxbr_work_cb_rgb565(void *data, void *thread_data)
|
|
{
|
|
struct softfilter_thread_data *thr = (struct softfilter_thread_data*)thread_data;
|
|
uint16_t *input = (uint16_t*)thr->in_data;
|
|
uint16_t *output = (uint16_t*)thr->out_data;
|
|
unsigned width = thr->width;
|
|
unsigned height = thr->height;
|
|
|
|
twoxbr_generic_rgb565(width, height,
|
|
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_RGB565, output, thr->out_pitch / SOFTFILTER_BPP_RGB565);
|
|
}
|
|
|
|
static void twoxbr_work_cb_xrgb8888(void *data, void *thread_data)
|
|
{
|
|
struct softfilter_thread_data *thr = (struct softfilter_thread_data*)thread_data;
|
|
uint32_t *input = (uint32_t*)thr->in_data;
|
|
uint32_t *output = (uint32_t*)thr->out_data;
|
|
unsigned width = thr->width;
|
|
unsigned height = thr->height;
|
|
|
|
twoxbr_generic_xrgb8888(width, height,
|
|
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_XRGB8888, output, thr->out_pitch / SOFTFILTER_BPP_XRGB8888);
|
|
}
|
|
|
|
static void twoxbr_generic_packets(void *data,
|
|
struct softfilter_work_packet *packets,
|
|
void *output, size_t output_stride,
|
|
const void *input, unsigned width, unsigned height, size_t input_stride)
|
|
{
|
|
struct filter_data *filt = (struct filter_data*)data;
|
|
unsigned i;
|
|
for (i = 0; i < filt->threads; i++)
|
|
{
|
|
struct softfilter_thread_data *thr = (struct softfilter_thread_data*)&filt->workers[i];
|
|
|
|
unsigned y_start = (height * i) / filt->threads;
|
|
unsigned y_end = (height * (i + 1)) / filt->threads;
|
|
thr->out_data = (uint8_t*)output + y_start * TWOXBR_SCALE * output_stride;
|
|
thr->in_data = (const uint8_t*)input + y_start * input_stride;
|
|
thr->out_pitch = output_stride;
|
|
thr->in_pitch = input_stride;
|
|
thr->width = width;
|
|
thr->height = y_end - y_start;
|
|
|
|
// Workers need to know if they can access pixels outside their given buffer.
|
|
thr->first = y_start;
|
|
thr->last = y_end == height;
|
|
|
|
if (filt->in_fmt == SOFTFILTER_FMT_RGB565)
|
|
packets[i].work = twoxbr_work_cb_rgb565;
|
|
//else if (filt->in_fmt == SOFTFILTER_FMT_RGB4444)
|
|
//packets[i].work = twoxbr_work_cb_rgb4444;
|
|
else if (filt->in_fmt == SOFTFILTER_FMT_XRGB8888)
|
|
packets[i].work = twoxbr_work_cb_xrgb8888;
|
|
packets[i].thread_data = thr;
|
|
}
|
|
}
|
|
|
|
static const struct softfilter_implementation twoxbr_generic = {
|
|
twoxbr_generic_input_fmts,
|
|
twoxbr_generic_output_fmts,
|
|
|
|
twoxbr_generic_create,
|
|
twoxbr_generic_destroy,
|
|
|
|
twoxbr_generic_threads,
|
|
twoxbr_generic_output,
|
|
twoxbr_generic_packets,
|
|
"2xBR",
|
|
SOFTFILTER_API_VERSION,
|
|
};
|
|
|
|
const struct softfilter_implementation *softfilter_get_implementation(softfilter_simd_mask_t simd)
|
|
{
|
|
(void)simd;
|
|
return &twoxbr_generic;
|
|
}
|
|
|
|
#ifdef RARCH_INTERNAL
|
|
#undef softfilter_get_implementation
|
|
#endif
|