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https://github.com/libretro/RetroArch
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(SoftFilters) Port EPX to SoftFilter spec - RGB565 only for now
This commit is contained in:
twinaphex
parent
00ac99148a
commit
8ea17075aa
@ -101,8 +101,8 @@ static softfilter_get_implementation_t softfilter_get_implementation_from_idx(un
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return supertwoxsai_get_implementation;
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return supertwoxsai_get_implementation;
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case SOFTFILTER_SUPEREAGLE:
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case SOFTFILTER_SUPEREAGLE:
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return supereagle_get_implementation;
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return supereagle_get_implementation;
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case SOFTFILTER_HQ2X:
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case SOFTFILTER_EPX:
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return hq2x_get_implementation;
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return epx_get_implementation;
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case SOFTFILTER_SCALE2X:
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case SOFTFILTER_SCALE2X:
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return scale2x_get_implementation;
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return scale2x_get_implementation;
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}
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}
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@ -51,7 +51,7 @@ enum
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SOFTFILTER_NONE = 0,
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SOFTFILTER_NONE = 0,
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//SOFTFILTER_2XBR,
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//SOFTFILTER_2XBR,
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SOFTFILTER_DARKEN,
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SOFTFILTER_DARKEN,
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SOFTFILTER_HQ2X,
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SOFTFILTER_EPX,
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SOFTFILTER_TWOXSAI,
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SOFTFILTER_TWOXSAI,
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SOFTFILTER_SUPERTWOXSAI,
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SOFTFILTER_SUPERTWOXSAI,
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SOFTFILTER_SUPEREAGLE,
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SOFTFILTER_SUPEREAGLE,
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@ -60,7 +60,7 @@ enum
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};
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};
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#ifdef HAVE_FILTERS_BUILTIN
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#ifdef HAVE_FILTERS_BUILTIN
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const struct softfilter_implementation *hq2x_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *epx_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *twoxsai_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *twoxsai_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *supereagle_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *supereagle_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *supertwoxsai_get_implementation(softfilter_simd_mask_t simd);
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const struct softfilter_implementation *supertwoxsai_get_implementation(softfilter_simd_mask_t simd);
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@ -38,7 +38,7 @@ ASMFLAGS := -INEON/asm
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asflags += -mfpu=neon
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asflags += -mfpu=neon
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endif
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endif
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objects += 2xsai.so super2xsai.so supereagle.so 2xbr.so darken.so hq2x.so scale2x.so
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objects += epx.so 2xsai.so super2xsai.so supereagle.so 2xbr.so darken.so scale2x.so
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all: build;
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all: build;
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406
gfx/filters/epx.c
Normal file
406
gfx/filters/epx.c
Normal file
@ -0,0 +1,406 @@
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/* 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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// Compile: gcc -o epx.so -shared epx.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 epx_get_implementation
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#endif
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#define EPX_SCALE 2
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static unsigned epx_generic_input_fmts(void)
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{
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return SOFTFILTER_FMT_RGB565;
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}
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static unsigned epx_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 epx_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 *epx_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 epx_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 * EPX_SCALE;
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*out_height = height * EPX_SCALE;
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}
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static void epx_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 void EPX_16 (int width, int height,
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int first, int last,
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uint16_t *src, int src_stride, uint16_t *dst, int dst_stride)
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{
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uint16_t colorX, colorA, colorB, colorC, colorD;
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uint16_t *sP, *uP, *lP;
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uint32_t *dP1, *dP2;
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int w, prevline;
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prevline = (first) ? 0 : src_stride;
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height -= 2;
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// D
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// A X C
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// B
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// top edge
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sP = (uint16_t *)(src - prevline);
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lP = (uint16_t *) (src + src_stride);
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dP1 = (uint32_t *) dst;
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dP2 = (uint32_t *) (dst + dst_stride);
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// left edge
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colorX = *sP;
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colorC = *++sP;
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colorB = *lP++;
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if ((colorX != colorC) && (colorB != colorX))
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{
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#ifdef MSB_FIRST
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*dP1 = (colorX << 16) + colorX;
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*dP2 = (colorX << 16) + ((colorB == colorC) ? colorB : colorX);
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#else
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*dP1 = colorX + (colorX << 16);
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*dP2 = colorX + (((colorB == colorC) ? colorB : colorX) << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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//
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for (w = width - 2; w; w--)
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{
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colorA = colorX;
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colorX = colorC;
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colorC = *++sP;
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colorB = *lP++;
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if ((colorA != colorC) && (colorB != colorX))
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{
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#ifdef MSB_FIRST
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*dP1 = (colorX << 16) + colorX;
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*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + ((colorB == colorC) ? colorB : colorX);
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#else
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*dP1 = colorX + (colorX << 16);
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*dP2 = ((colorA == colorB) ? colorA : colorX) + (((colorB == colorC) ? colorB : colorX) << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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}
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// right edge
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colorA = colorX;
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colorX = colorC;
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colorB = *lP;
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if ((colorA != colorX) && (colorB != colorX))
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{
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#ifdef MSB_FIRST
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*dP1 = (colorX << 16) + colorX;
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*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + colorX;
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#else
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*dP1 = colorX + (colorX << 16);
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*dP2 = ((colorA == colorB) ? colorA : colorX) + (colorX << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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src += src_stride;
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dst += dst_stride << 1;
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//
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for (; height; height--)
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{
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sP = (uint16_t *) src;
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uP = (uint16_t *) (src - src_stride);
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lP = (uint16_t *) (src + src_stride);
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dP1 = (uint32_t *) dst;
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dP2 = (uint32_t *) (dst + dst_stride);
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// left edge
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colorX = *sP;
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colorC = *++sP;
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colorB = *lP++;
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colorD = *uP++;
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if ((colorX != colorC) && (colorB != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (colorX << 16) + ((colorC == colorD) ? colorC : colorX);
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*dP2 = (colorX << 16) + ((colorB == colorC) ? colorB : colorX);
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#else
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*dP1 = colorX + (((colorC == colorD) ? colorC : colorX) << 16);
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*dP2 = colorX + (((colorB == colorC) ? colorB : colorX) << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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//
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for (w = width - 2; w; w--)
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{
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colorA = colorX;
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colorX = colorC;
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colorC = *++sP;
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colorB = *lP++;
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colorD = *uP++;
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if ((colorA != colorC) && (colorB != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + ((colorC == colorD) ? colorC : colorX);
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*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + ((colorB == colorC) ? colorB : colorX);
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#else
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*dP1 = ((colorD == colorA) ? colorD : colorX) + (((colorC == colorD) ? colorC : colorX) << 16);
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*dP2 = ((colorA == colorB) ? colorA : colorX) + (((colorB == colorC) ? colorB : colorX) << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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}
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// right edge
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colorA = colorX;
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colorX = colorC;
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colorB = *lP;
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colorD = *uP;
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if ((colorA != colorX) && (colorB != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + colorX;
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*dP2 = (((colorA == colorB) ? colorA : colorX) << 16) + colorX;
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#else
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*dP1 = ((colorD == colorA) ? colorD : colorX) + (colorX << 16);
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*dP2 = ((colorA == colorB) ? colorA : colorX) + (colorX << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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src += src_stride;
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dst += dst_stride << 1;
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}
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// bottom edge
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sP = (uint16_t *) src;
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uP = (uint16_t *) (src - src_stride);
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dP1 = (uint32_t *) dst;
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dP2 = (uint32_t *) (dst + dst_stride);
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// left edge
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colorX = *sP;
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colorC = *++sP;
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colorD = *uP++;
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if ((colorX != colorC) && (colorX != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (colorX << 16) + ((colorC == colorD) ? colorC : colorX);
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*dP2 = (colorX << 16) + colorX;
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#else
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*dP1 = colorX + (((colorC == colorD) ? colorC : colorX) << 16);
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*dP2 = colorX + (colorX << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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//
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for (w = width - 2; w; w--)
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{
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colorA = colorX;
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colorX = colorC;
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colorC = *++sP;
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colorD = *uP++;
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if ((colorA != colorC) && (colorX != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + ((colorC == colorD) ? colorC : colorX);
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*dP2 = (colorX << 16) + colorX;
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#else
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*dP1 = ((colorD == colorA) ? colorD : colorX) + (((colorC == colorD) ? colorC : colorX) << 16);
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*dP2 = colorX + (colorX << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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dP1++;
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dP2++;
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}
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// right edge
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colorA = colorX;
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colorX = colorC;
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colorD = *uP;
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if ((colorA != colorX) && (colorX != colorD))
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{
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#ifdef MSB_FIRST
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*dP1 = (((colorD == colorA) ? colorD : colorX) << 16) + colorX;
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*dP2 = (colorX << 16) + colorX;
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#else
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*dP1 = ((colorD == colorA) ? colorD : colorX) + (colorX << 16);
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*dP2 = colorX + (colorX << 16);
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#endif
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}
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else
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*dP1 = *dP2 = (colorX << 16) + colorX;
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}
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static void epx_generic_rgb565(unsigned width, unsigned height,
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int first, int last, uint16_t *src,
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unsigned src_stride, uint16_t *dst, unsigned dst_stride)
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|
{
|
||||||
|
EPX_16(width, height,
|
||||||
|
first, last,
|
||||||
|
src, src_stride,
|
||||||
|
dst, dst_stride);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
static void epx_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;
|
||||||
|
|
||||||
|
epx_generic_rgb565(width, height,
|
||||||
|
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_RGB565, output, thr->out_pitch / SOFTFILTER_BPP_RGB565);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void epx_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 * EPX_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 = epx_work_cb_rgb565;
|
||||||
|
packets[i].thread_data = thr;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct softfilter_implementation epx_generic = {
|
||||||
|
epx_generic_input_fmts,
|
||||||
|
epx_generic_output_fmts,
|
||||||
|
|
||||||
|
epx_generic_create,
|
||||||
|
epx_generic_destroy,
|
||||||
|
|
||||||
|
epx_generic_threads,
|
||||||
|
epx_generic_output,
|
||||||
|
epx_generic_packets,
|
||||||
|
"EPX",
|
||||||
|
SOFTFILTER_API_VERSION,
|
||||||
|
};
|
||||||
|
|
||||||
|
const struct softfilter_implementation *softfilter_get_implementation(softfilter_simd_mask_t simd)
|
||||||
|
{
|
||||||
|
(void)simd;
|
||||||
|
return &epx_generic;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef RARCH_INTERNAL
|
||||||
|
#undef softfilter_get_implementation
|
||||||
|
#endif
|
||||||
@ -1,417 +0,0 @@
|
|||||||
/* RetroArch - A frontend for libretro.
|
|
||||||
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
|
|
||||||
*
|
|
||||||
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
||||||
* of the GNU General Public License as published by the Free Software Found-
|
|
||||||
* ation, either version 3 of the License, or (at your option) any later version.
|
|
||||||
*
|
|
||||||
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
||||||
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
||||||
* PURPOSE. See the GNU General Public License for more details.
|
|
||||||
*
|
|
||||||
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
||||||
* If not, see <http://www.gnu.org/licenses/>.
|
|
||||||
*/
|
|
||||||
|
|
||||||
// Compile: gcc -o hq2x.so -shared hq2x.c -std=c99 -O3 -Wall -pedantic -fPIC
|
|
||||||
|
|
||||||
#include "softfilter.h"
|
|
||||||
#include <stdlib.h>
|
|
||||||
|
|
||||||
#ifdef RARCH_INTERNAL
|
|
||||||
#define softfilter_get_implementation hq2x_get_implementation
|
|
||||||
#endif
|
|
||||||
|
|
||||||
#define HQ2X_SCALE 2
|
|
||||||
|
|
||||||
static unsigned hq2x_generic_input_fmts(void)
|
|
||||||
{
|
|
||||||
return SOFTFILTER_FMT_RGB565;
|
|
||||||
}
|
|
||||||
|
|
||||||
static unsigned hq2x_generic_output_fmts(unsigned input_fmts)
|
|
||||||
{
|
|
||||||
return input_fmts;
|
|
||||||
}
|
|
||||||
|
|
||||||
static unsigned hq2x_generic_threads(void *data)
|
|
||||||
{
|
|
||||||
struct filter_data *filt = (struct filter_data*)data;
|
|
||||||
return filt->threads;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void *hq2x_generic_create(unsigned in_fmt, unsigned out_fmt,
|
|
||||||
unsigned max_width, unsigned max_height,
|
|
||||||
unsigned threads, softfilter_simd_mask_t simd)
|
|
||||||
{
|
|
||||||
(void)simd;
|
|
||||||
|
|
||||||
struct filter_data *filt = (struct filter_data*)calloc(1, sizeof(*filt));
|
|
||||||
if (!filt)
|
|
||||||
return NULL;
|
|
||||||
filt->workers = (struct softfilter_thread_data*)calloc(threads, sizeof(struct softfilter_thread_data));
|
|
||||||
filt->threads = threads;
|
|
||||||
filt->in_fmt = in_fmt;
|
|
||||||
if (!filt->workers)
|
|
||||||
{
|
|
||||||
free(filt);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
return filt;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void hq2x_generic_output(void *data, unsigned *out_width, unsigned *out_height,
|
|
||||||
unsigned width, unsigned height)
|
|
||||||
{
|
|
||||||
*out_width = width * HQ2X_SCALE;
|
|
||||||
*out_height = height * HQ2X_SCALE;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void hq2x_generic_destroy(void *data)
|
|
||||||
{
|
|
||||||
struct filter_data *filt = (struct filter_data*)data;
|
|
||||||
free(filt->workers);
|
|
||||||
free(filt);
|
|
||||||
}
|
|
||||||
|
|
||||||
#define DIFF_OFFSET ((0x440 << 21) + (0x207 << 11) + 0x407)
|
|
||||||
#define DIFF_MASK ((0x380 << 21) + (0x1f0 << 11) + 0x3f0)
|
|
||||||
|
|
||||||
#define HQ2X_565_MASK (0x7e0f81f)
|
|
||||||
#define HQ2X_4444_MASK (0xf0f0f0f)
|
|
||||||
#define HQ2X_565_SHIFT (16)
|
|
||||||
#define HQ2X_4444_SHIFT (16)
|
|
||||||
|
|
||||||
static uint32_t yuvTable[32768];
|
|
||||||
static uint8_t rotate[256];
|
|
||||||
|
|
||||||
const static uint8_t hqTable[256] = {
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 15, 12, 5, 3, 17, 13,
|
|
||||||
4, 4, 6, 18, 4, 4, 6, 18, 5, 3, 12, 12, 5, 3, 1, 12,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 17, 13, 5, 3, 16, 14,
|
|
||||||
4, 4, 6, 18, 4, 4, 6, 18, 5, 3, 16, 12, 5, 3, 1, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 19, 12, 12, 5, 19, 16, 12,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 12,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 19, 1, 12, 5, 19, 1, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 18, 5, 3, 16, 12, 5, 19, 1, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 15, 12, 5, 3, 17, 13,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 12,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 17, 13, 5, 3, 16, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 13, 5, 3, 1, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 16, 13,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 1, 12,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 16, 12, 5, 3, 1, 14,
|
|
||||||
4, 4, 6, 2, 4, 4, 6, 2, 5, 3, 1, 12, 5, 3, 1, 14,
|
|
||||||
};
|
|
||||||
|
|
||||||
static void initialize(void)
|
|
||||||
{
|
|
||||||
unsigned i, n;
|
|
||||||
static int initialized = 0;
|
|
||||||
|
|
||||||
if (initialized)
|
|
||||||
return;
|
|
||||||
|
|
||||||
for (i = 0; i < 32768; ++i)
|
|
||||||
{
|
|
||||||
const uint8_t R = (i >> 0) & 31;
|
|
||||||
const uint8_t G = (i >> 5) & 31;
|
|
||||||
const uint8_t B = (i >> 10) & 31;
|
|
||||||
|
|
||||||
/* bgr555->bgr888 */
|
|
||||||
const double r = (R << 3) | (R >> 2);
|
|
||||||
const double g = (G << 3) | (G >> 2);
|
|
||||||
const double b = (B << 3) | (B >> 2);
|
|
||||||
|
|
||||||
/* bgr888->yuv888 */
|
|
||||||
const double y = (r + g + b) * (0.25f * (63.5f / 48.0f));
|
|
||||||
const double u = ((r - b) * 0.25f + 128.0f) * (7.5f / 7.0f);
|
|
||||||
const double v = ((g * 2.0f - r - b) * 0.125f + 128.0f) * (7.5f / 6.0f);
|
|
||||||
|
|
||||||
yuvTable[i] = ((unsigned)y << 21) + ((unsigned)u << 11) + ((unsigned)v);
|
|
||||||
}
|
|
||||||
|
|
||||||
for (n = 0; n < 256; ++n)
|
|
||||||
{
|
|
||||||
rotate[n] = ((n >> 2) & 0x11) | ((n << 2) & 0x88)
|
|
||||||
| ((n & 0x01) << 5) | ((n & 0x08) << 3)
|
|
||||||
| ((n & 0x10) >> 3) | ((n & 0x80) >> 5);
|
|
||||||
}
|
|
||||||
|
|
||||||
initialized = 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline uint8_t same(uint16_t x, uint16_t y)
|
|
||||||
{
|
|
||||||
return !((yuvTable[x] - yuvTable[y] + DIFF_OFFSET) & DIFF_MASK);
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline uint8_t diff(uint32_t x, uint16_t y)
|
|
||||||
{
|
|
||||||
if (y < 32768)
|
|
||||||
return 0;
|
|
||||||
return ((x - yuvTable[y]) & DIFF_MASK);
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline void grow(uint32_t *n, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
*n |= (*n << shift);
|
|
||||||
*n &= mask;
|
|
||||||
}
|
|
||||||
|
|
||||||
static inline uint16_t pack(uint32_t n, uint32_t mask, unsigned shift)
|
|
||||||
{
|
|
||||||
n &= mask;
|
|
||||||
return (n | (n >> shift));
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend1(uint32_t A, uint32_t B, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
A = (A * 3 + B) >> 2;
|
|
||||||
return pack(A, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend2(uint32_t A, uint32_t B, uint32_t C, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
grow(&C, shift, mask);
|
|
||||||
return pack((A * 2 + B + C) >> 2, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend3(uint32_t A, uint32_t B, uint32_t C, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
grow(&C, shift, mask);
|
|
||||||
return pack((A * 5 + B * 2 + C) >> 3, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend4(uint32_t A, uint32_t B, uint32_t C, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
grow(&C, shift, mask);
|
|
||||||
return pack((A * 6 + B + C) >> 3, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend5(uint32_t A, uint32_t B, uint32_t C, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
grow(&C, shift, mask);
|
|
||||||
return pack((A * 2 + (B + C) * 3) >> 3, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
static uint16_t blend6(uint32_t A, uint32_t B, uint32_t C, unsigned shift, uint32_t mask)
|
|
||||||
{
|
|
||||||
grow(&A, shift, mask);
|
|
||||||
grow(&B, shift, mask);
|
|
||||||
grow(&C, shift, mask);
|
|
||||||
return pack((A * 14 + B + C) >> 4, mask, shift);
|
|
||||||
}
|
|
||||||
|
|
||||||
typedef uint16_t (*blend_16bit)(unsigned rule, uint16_t E, uint16_t A,
|
|
||||||
uint16_t B, uint16_t D, uint16_t F, uint16_t H);
|
|
||||||
|
|
||||||
static uint16_t blend(unsigned colfmt, unsigned rule, uint16_t E, uint16_t A,
|
|
||||||
uint16_t B, uint16_t D, uint16_t F, uint16_t H)
|
|
||||||
{
|
|
||||||
unsigned shift;
|
|
||||||
uint32_t mask;
|
|
||||||
|
|
||||||
mask = 0;
|
|
||||||
switch (colfmt)
|
|
||||||
{
|
|
||||||
case SOFTFILTER_FMT_RGB565:
|
|
||||||
mask = HQ2X_565_MASK;
|
|
||||||
shift = HQ2X_565_SHIFT;
|
|
||||||
break;
|
|
||||||
case SOFTFILTER_FMT_RGB4444:
|
|
||||||
mask = HQ2X_4444_MASK;
|
|
||||||
shift = HQ2X_4444_SHIFT;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
switch (rule)
|
|
||||||
{
|
|
||||||
default:
|
|
||||||
case 0:
|
|
||||||
return E;
|
|
||||||
case 1:
|
|
||||||
return blend1(E, A, shift, mask);
|
|
||||||
case 2:
|
|
||||||
return blend1(E, D, shift, mask);
|
|
||||||
case 3:
|
|
||||||
return blend1(E, B, shift, mask);
|
|
||||||
case 4:
|
|
||||||
return blend2(E, D, B, shift, mask);
|
|
||||||
case 5:
|
|
||||||
return blend2(E, A, B, shift, mask);
|
|
||||||
case 6:
|
|
||||||
return blend2(E, A, D, shift ,mask);
|
|
||||||
case 7:
|
|
||||||
return blend3(E, B, D, shift, mask);
|
|
||||||
case 8:
|
|
||||||
return blend3(E, D, B, shift, mask);
|
|
||||||
case 9:
|
|
||||||
return blend4(E, D, B, shift, mask);
|
|
||||||
case 10:
|
|
||||||
return blend5(E, D, B, shift, mask);
|
|
||||||
case 11:
|
|
||||||
return blend6(E, D, B, shift, mask);
|
|
||||||
case 12:
|
|
||||||
return same(B, D) ? blend2(E, D, B, shift, mask) : E;
|
|
||||||
case 13:
|
|
||||||
return same(B, D) ? blend5(E, D, B, shift, mask) : E;
|
|
||||||
case 14:
|
|
||||||
return same(B, D) ? blend6(E, D, B, shift, mask) : E;
|
|
||||||
case 15:
|
|
||||||
return same(B, D) ? blend2(E, D, B, shift, mask) : blend1(E, A, shift, mask);
|
|
||||||
case 16:
|
|
||||||
return same(B, D) ? blend4(E, D, B, shift, mask) : blend1(E, A, shift, mask);
|
|
||||||
case 17:
|
|
||||||
return same(B, D) ? blend5(E, D, B, shift, mask) : blend1(E, A, shift, mask);
|
|
||||||
case 18:
|
|
||||||
return same(B, F) ? blend3(E, B, D, shift, mask) : blend1(E, D, shift, mask);
|
|
||||||
case 19:
|
|
||||||
return same(D, H) ? blend3(E, D, B, shift, mask) : blend1(E, B, shift, mask);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
static void hq2x_16bit_generic(unsigned width, unsigned height,
|
|
||||||
int first, int last,
|
|
||||||
uint16_t *src, unsigned src_stride,
|
|
||||||
uint16_t *dst, unsigned dst_stride,
|
|
||||||
unsigned colfmt)
|
|
||||||
{
|
|
||||||
initialize();
|
|
||||||
|
|
||||||
for (unsigned y = 0; y < height; ++y)
|
|
||||||
{
|
|
||||||
const uint16_t *in = (const uint16_t*)(src + y * src_stride);
|
|
||||||
uint16_t *out0 = (uint16_t*)(dst + y * dst_stride * 2);
|
|
||||||
uint16_t *out1 = (uint16_t*)(dst + y * dst_stride * 2 + dst_stride);
|
|
||||||
|
|
||||||
const int prevline = (((y == 0) && first) ? 0 : src_stride);
|
|
||||||
const int nextline = (((y == height - 1) && last) ? 0 : src_stride);
|
|
||||||
|
|
||||||
in++;
|
|
||||||
*out0++ = 0; *out0++ = 0;
|
|
||||||
*out1++ = 0; *out1++ = 0;
|
|
||||||
|
|
||||||
for (unsigned x = 1; x < width - 1; ++x)
|
|
||||||
{
|
|
||||||
const uint16_t A = *(in - prevline - 1);
|
|
||||||
const uint16_t B = *(in - prevline + 0);
|
|
||||||
const uint16_t C = *(in - prevline + 1);
|
|
||||||
const uint16_t D = *(in - 1);
|
|
||||||
const uint16_t E = *(in + 0);
|
|
||||||
const uint16_t F = *(in + 1);
|
|
||||||
const uint16_t G = *(in + nextline - 1);
|
|
||||||
const uint16_t H = *(in + nextline + 0);
|
|
||||||
const uint16_t I = *(in + nextline + 1);
|
|
||||||
const uint32_t e = yuvTable[E] + DIFF_OFFSET;
|
|
||||||
|
|
||||||
uint8_t pattern;
|
|
||||||
pattern = diff(e, A) << 0;
|
|
||||||
pattern |= diff(e, B) << 1;
|
|
||||||
pattern |= diff(e, C) << 2;
|
|
||||||
pattern |= diff(e, D) << 3;
|
|
||||||
pattern |= diff(e, F) << 4;
|
|
||||||
pattern |= diff(e, G) << 5;
|
|
||||||
pattern |= diff(e, H) << 6;
|
|
||||||
pattern |= diff(e, I) << 7;
|
|
||||||
|
|
||||||
*(out0 + 0) = blend(colfmt, hqTable[pattern], E, A, B, D, F, H);
|
|
||||||
pattern = rotate[pattern];
|
|
||||||
*(out0 + 1) = blend(colfmt, hqTable[pattern], E, C, F, B, H, D);
|
|
||||||
pattern = rotate[pattern];
|
|
||||||
*(out1 + 1) = blend(colfmt, hqTable[pattern], E, I, H, F, D, B);
|
|
||||||
pattern = rotate[pattern];
|
|
||||||
*(out1 + 0) = blend(colfmt, hqTable[pattern], E, G, D, H, B, F);
|
|
||||||
|
|
||||||
in++;
|
|
||||||
out0 += 2;
|
|
||||||
out1 += 2;
|
|
||||||
}
|
|
||||||
|
|
||||||
in++;
|
|
||||||
*out0++ = 0; *out0++ = 0;
|
|
||||||
*out1++ = 0; *out1++ = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void hq2x_work_cb_16bit(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;
|
|
||||||
|
|
||||||
hq2x_16bit_generic(width, height,
|
|
||||||
thr->first, thr->last, input, thr->in_pitch / SOFTFILTER_BPP_RGB565, output, thr->out_pitch / SOFTFILTER_BPP_RGB565,
|
|
||||||
thr->colfmt);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void hq2x_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 * HQ2X_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;
|
|
||||||
thr->colfmt = SOFTFILTER_FMT_RGB565;
|
|
||||||
|
|
||||||
if (
|
|
||||||
filt->in_fmt == SOFTFILTER_FMT_RGB565 ||
|
|
||||||
filt->in_fmt == SOFTFILTER_FMT_RGB4444
|
|
||||||
)
|
|
||||||
packets[i].work = hq2x_work_cb_16bit;
|
|
||||||
packets[i].thread_data = thr;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static const struct softfilter_implementation hq2x_generic = {
|
|
||||||
hq2x_generic_input_fmts,
|
|
||||||
hq2x_generic_output_fmts,
|
|
||||||
|
|
||||||
hq2x_generic_create,
|
|
||||||
hq2x_generic_destroy,
|
|
||||||
|
|
||||||
hq2x_generic_threads,
|
|
||||||
hq2x_generic_output,
|
|
||||||
hq2x_generic_packets,
|
|
||||||
"HQ2x",
|
|
||||||
SOFTFILTER_API_VERSION,
|
|
||||||
};
|
|
||||||
|
|
||||||
const struct softfilter_implementation *softfilter_get_implementation(softfilter_simd_mask_t simd)
|
|
||||||
{
|
|
||||||
(void)simd;
|
|
||||||
return &hq2x_generic;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef RARCH_INTERNAL
|
|
||||||
#undef softfilter_get_implementation
|
|
||||||
#endif
|
|
||||||
@ -482,7 +482,7 @@ FILTERS
|
|||||||
#include "../gfx/filters/supereagle.c"
|
#include "../gfx/filters/supereagle.c"
|
||||||
#include "../gfx/filters/2xbr.c"
|
#include "../gfx/filters/2xbr.c"
|
||||||
#include "../gfx/filters/darken.c"
|
#include "../gfx/filters/darken.c"
|
||||||
#include "../gfx/filters/hq2x.c"
|
#include "../gfx/filters/epx.c"
|
||||||
#include "../gfx/filters/scale2x.c"
|
#include "../gfx/filters/scale2x.c"
|
||||||
#endif
|
#endif
|
||||||
/*============================================================
|
/*============================================================
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user