210 lines
4.5 KiB
C++
210 lines
4.5 KiB
C++
/*
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* This file is part of the Advance project.
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*
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* Copyright (C) 2003 Andrea Mazzoleni
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* In addition, as a special exception, Andrea Mazzoleni
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* gives permission to link the code of this program with
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* the MAME library (or with modified versions of MAME that use the
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* same license as MAME), and distribute linked combinations including
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* the two. You must obey the GNU General Public License in all
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* respects for all of the code used other than MAME. If you modify
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* this file, you may extend this exception to your version of the
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* file, but you are not obligated to do so. If you do not wish to
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* do so, delete this exception statement from your version.
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*/
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#include "portable.h"
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#include "System.h"
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#include "lq3x.h"
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#include <assert.h>
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/***************************************************************************/
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/* LQ3x C implementation */
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/*
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* This effect is derived from the hq3x effect made by Maxim Stepin
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*/
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void lq3x_16_def(interp_uint16* restrict dst0, interp_uint16* restrict dst1, interp_uint16* restrict dst2, const interp_uint16* restrict src0, const interp_uint16* restrict src1, const interp_uint16* restrict src2, unsigned count)
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{
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unsigned i;
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for(i=0;i<count;++i) {
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unsigned char mask;
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interp_uint16 c[9];
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c[1] = src0[0];
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c[4] = src1[0];
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c[7] = src2[0];
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if (i>0) {
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c[0] = src0[-1];
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c[3] = src1[-1];
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c[6] = src2[-1];
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} else {
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c[0] = c[1];
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c[3] = c[4];
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c[6] = c[7];
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}
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if (i<count-1) {
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c[2] = src0[1];
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c[5] = src1[1];
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c[8] = src2[1];
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} else {
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c[2] = c[1];
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c[5] = c[4];
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c[8] = c[7];
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}
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mask = 0;
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if (c[0] != c[4])
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mask |= 1 << 0;
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if (c[1] != c[4])
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mask |= 1 << 1;
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if (c[2] != c[4])
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mask |= 1 << 2;
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if (c[3] != c[4])
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mask |= 1 << 3;
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if (c[5] != c[4])
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mask |= 1 << 4;
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if (c[6] != c[4])
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mask |= 1 << 5;
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if (c[7] != c[4])
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mask |= 1 << 6;
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if (c[8] != c[4])
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mask |= 1 << 7;
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#define P(a, b) dst##b[a]
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#define MUR (c[1] != c[5])
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#define MDR (c[5] != c[7])
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#define MDL (c[7] != c[3])
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#define MUL (c[3] != c[1])
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#define I1(p0) c[p0]
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#define I2(i0, i1, p0, p1) interp_16_##i0##i1(c[p0], c[p1])
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#define I3(i0, i1, i2, p0, p1, p2) interp_16_##i0##i1##i2(c[p0], c[p1], c[p2])
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switch (mask) {
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#include "lq3x.dat"
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}
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#undef P
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#undef MUR
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#undef MDR
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#undef MDL
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#undef MUL
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#undef I1
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#undef I2
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#undef I3
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src0 += 1;
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src1 += 1;
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src2 += 1;
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dst0 += 3;
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dst1 += 3;
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dst2 += 3;
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}
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}
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void lq3x_32_def(interp_uint32* restrict dst0, interp_uint32* restrict dst1, interp_uint32* restrict dst2, const interp_uint32* restrict src0, const interp_uint32* restrict src1, const interp_uint32* restrict src2, unsigned count)
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{
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unsigned i;
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for(i=0;i<count;++i) {
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unsigned char mask;
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interp_uint32 c[9];
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c[1] = src0[0];
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c[4] = src1[0];
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c[7] = src2[0];
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if (i>0) {
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c[0] = src0[-1];
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c[3] = src1[-1];
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c[6] = src2[-1];
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} else {
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c[0] = c[1];
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c[3] = c[4];
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c[6] = c[7];
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}
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if (i<count-1) {
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c[2] = src0[1];
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c[5] = src1[1];
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c[8] = src2[1];
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} else {
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c[2] = c[1];
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c[5] = c[4];
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c[8] = c[7];
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}
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mask = 0;
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if (c[0] != c[4])
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mask |= 1 << 0;
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if (c[1] != c[4])
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mask |= 1 << 1;
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if (c[2] != c[4])
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mask |= 1 << 2;
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if (c[3] != c[4])
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mask |= 1 << 3;
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if (c[5] != c[4])
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mask |= 1 << 4;
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if (c[6] != c[4])
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mask |= 1 << 5;
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if (c[7] != c[4])
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mask |= 1 << 6;
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if (c[8] != c[4])
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mask |= 1 << 7;
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#define P(a, b) dst##b[a]
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#define MUR (c[1] != c[5])
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#define MDR (c[5] != c[7])
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#define MDL (c[7] != c[3])
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#define MUL (c[3] != c[1])
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#define I1(p0) c[p0]
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#define I2(i0, i1, p0, p1) interp_32_##i0##i1(c[p0], c[p1])
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#define I3(i0, i1, i2, p0, p1, p2) interp_32_##i0##i1##i2(c[p0], c[p1], c[p2])
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switch (mask) {
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#include "lq3x.dat"
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}
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#undef P
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#undef MUR
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#undef MDR
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#undef MDL
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#undef MUL
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#undef I1
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#undef I2
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#undef I3
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src0 += 1;
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src1 += 1;
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src2 += 1;
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dst0 += 3;
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dst1 += 3;
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dst2 += 3;
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}
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}
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