145 lines
No EOL
6.3 KiB
C++
145 lines
No EOL
6.3 KiB
C++
/* This is a heavily modified version of the file used in RetroArch */
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/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2010-2014 - Daniel De Matteis
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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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#include "../stdafx.h"
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#define supertwoxsai_interpolate_xrgb8888(A, B) ((((A) & 0xFEFEFEFE) >> 1) + (((B) & 0xFEFEFEFE) >> 1) + ((A) & (B) & 0x01010101))
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#define supertwoxsai_interpolate2_xrgb8888(A, B, C, D) ((((A) & 0xFCFCFCFC) >> 2) + (((B) & 0xFCFCFCFC) >> 2) + (((C) & 0xFCFCFCFC) >> 2) + (((D) & 0xFCFCFCFC) >> 2) + (((((A) & 0x03030303) + ((B) & 0x03030303) + ((C) & 0x03030303) + ((D) & 0x03030303)) >> 2) & 0x03030303))
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#define supertwoxsai_result(A, B, C, D) (((A) != (C) || (A) != (D)) - ((B) != (C) || (B) != (D)))
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#ifndef supertwoxsai_declare_variables
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#define supertwoxsai_declare_variables(typename_t, in) \
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typename_t product1a, product1b, product2a, product2b; \
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const typename_t colorB0 = *(in - prevline - prevcolumn); \
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const typename_t colorB1 = *(in - prevline + 0); \
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const typename_t colorB2 = *(in - prevline + nextcolumn); \
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const typename_t colorB3 = *(in - prevline + nextcolumn2); \
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const typename_t color4 = *(in - prevcolumn); \
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const typename_t color5 = *(in + 0); \
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const typename_t color6 = *(in + nextcolumn); \
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const typename_t colorS2 = *(in + nextcolumn2); \
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const typename_t color1 = *(in + nextline - prevcolumn); \
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const typename_t color2 = *(in + nextline + 0); \
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const typename_t color3 = *(in + nextline + nextcolumn); \
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const typename_t colorS1 = *(in + nextline + nextcolumn2); \
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const typename_t colorA0 = *(in + nextline2 - prevcolumn); \
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const typename_t colorA1 = *(in + nextline2 + 0); \
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const typename_t colorA2 = *(in + nextline2 + nextcolumn); \
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const typename_t colorA3 = *(in + nextline2 + nextcolumn2)
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#endif
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#ifndef supertwoxsai_function
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#define supertwoxsai_function(result_cb, interpolate_cb, interpolate2_cb) \
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if (color2 == color6 && color5 != color3) \
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product2b = product1b = color2; \
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else if (color5 == color3 && color2 != color6) \
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product2b = product1b = color5; \
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else if (color5 == color3 && color2 == color6) \
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{ \
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int r = 0; \
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r += result_cb(color6, color5, color1, colorA1); \
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r += result_cb(color6, color5, color4, colorB1); \
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r += result_cb(color6, color5, colorA2, colorS1); \
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r += result_cb(color6, color5, colorB2, colorS2); \
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if (r > 0) \
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product2b = product1b = color6; \
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else if (r < 0) \
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product2b = product1b = color5; \
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else \
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product2b = product1b = interpolate_cb(color5, color6); \
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} \
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else \
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{ \
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if (color6 == color3 && color3 == colorA1 && color2 != colorA2 && color3 != colorA0) \
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product2b = interpolate2_cb(color3, color3, color3, color2); \
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else if ((color5 == color2 && color2 == colorA2) & (colorA1 != color3 && color2 != colorA3)) \
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product2b = interpolate2_cb(color2, color2, color2, color3); \
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else \
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product2b = interpolate_cb(color2, color3); \
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if (color6 == color3 && color6 == colorB1 && color5 != colorB2 && color6 != colorB0) \
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product1b = interpolate2_cb(color6, color6, color6, color5); \
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else if (color5 == color2 && color5 == colorB2 && colorB1 != color6 && color5 != colorB3) \
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product1b = interpolate2_cb(color6, color5, color5, color5); \
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else \
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product1b = interpolate_cb(color5, color6); \
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} \
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if (color5 == color3 && color2 != color6 && color4 == color5 && color5 != colorA2) \
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{ \
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product2a = interpolate_cb(color2, color5); \
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} \
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else if (color5 == color1 && color6 == color5 && color4 != color2 && color5 != colorA0) \
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{ \
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product2a = interpolate_cb(color2, color5); \
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} \
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else \
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product2a = color2; \
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if (color2 == color6 && color5 != color3 && color1 == color2 && color2 != colorB2) \
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{ \
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product1a = interpolate_cb(color2, color5); \
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} \
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else if (color4 == color2 && color3 == color2 && color1 != color5 && color2 != colorB0) \
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{ \
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product1a = interpolate_cb(color2, color5); \
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} \
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else \
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product1a = color5; \
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out[0] = product1a; \
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out[1] = product1b; \
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out[dst_stride] = product2a; \
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out[dst_stride + 1] = product2b; \
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++in; \
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out += 2
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#endif
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void supertwoxsai_generic_xrgb8888(unsigned width, unsigned height, uint32_t *src, unsigned src_stride, uint32_t *dst, unsigned dst_stride)
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{
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unsigned finish;
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int y = 0;
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int x = 0;
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for(; height; height--) {
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uint32_t *in = (uint32_t*)src;
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uint32_t *out = (uint32_t*)dst;
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int prevline = (y > 0 ? src_stride : 0);
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int nextline = (height > 1 ? src_stride : 0);
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int nextline2 = (height > 2 ? src_stride * 2 : nextline);
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for(finish = width; finish; finish -= 1) {
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int prevcolumn = (x > 0 ? 1 : 0);
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int nextcolumn = (finish > 1 ? 1 : 0);
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int nextcolumn2 = (finish > 2 ? 2 : nextcolumn);
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supertwoxsai_declare_variables(uint32_t, in);
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//--------------------------- B1 B2
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// 4 5 6 S2
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// 1 2 3 S1
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// A1 A2
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//--------------------------------------
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supertwoxsai_function(supertwoxsai_result, supertwoxsai_interpolate_xrgb8888, supertwoxsai_interpolate2_xrgb8888);
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x++;
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}
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src += src_stride;
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dst += 2 * dst_stride;
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y++;
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x = 0;
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}
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} |