242 lines
15 KiB
C
242 lines
15 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX 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 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX 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, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file src/gmisc/arrayops.c
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* @brief GMISC Array Operations code.
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*
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* @addtogroup GMISC
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "gfx.h"
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#if (GFX_USE_GMISC && GMISC_NEED_ARRAYOPS) || defined(__DOXYGEN__)
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void gmiscArrayConvert(ArrayDataFormat srcfmt, void *src, ArrayDataFormat dstfmt, void *dst, size_t cnt) {
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uint8_t *src8, *dst8;
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uint16_t *src16, *dst16;
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dst8 = dst;
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dst16 = dst;
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src8 = src;
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src16 = src;
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/* We do this as a big switch in order to optimise efficiency for each transfer type */
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switch(dstfmt) {
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case ARRAY_DATA_4BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8); } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = *src8++ >> 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128) >> 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 8; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 10; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 10; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 12; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 12; } break;
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}
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break;
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case ARRAY_DATA_4BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8); } break;
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case ARRAY_DATA_4BITSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128) >> 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = *src8++ >> 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 8; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 10; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 10; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 12; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 12; } break;
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}
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break;
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case ARRAY_DATA_8BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = *src8++ << 4; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8) << 4; } break;
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case ARRAY_DATA_8BITUNSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128); } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 6; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 8; } break;
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}
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break;
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case ARRAY_DATA_8BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 8) << 4; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst8++ = *src8++ << 4; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst8++ = (*src8++ ^ 128); } break;
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case ARRAY_DATA_8BITSIGNED: if (dst != src) while(cnt--) { *dst8++ = *src8++; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 512) >> 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 8192) >> 6; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 6; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst8++ = (*src16++ ^ 32768) >> 8; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst8++ = *src16++ >> 8; } break;
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}
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break;
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case ARRAY_DATA_10BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 6; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 2; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 2; } break;
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case ARRAY_DATA_10BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512); } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 4; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 6; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 6; } break;
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}
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break;
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case ARRAY_DATA_10BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 6; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 2; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 2; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512); } break;
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case ARRAY_DATA_10BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 4; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 6; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 6; } break;
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}
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break;
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case ARRAY_DATA_12BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 8; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048); } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 4; } break;
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}
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break;
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case ARRAY_DATA_12BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 8; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 4; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 4; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 2; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048); } break;
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case ARRAY_DATA_12BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 4; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 4; } break;
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}
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break;
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case ARRAY_DATA_14BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 10; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 10; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 6; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 4; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192); } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 2; } break;
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}
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break;
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case ARRAY_DATA_14BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 10; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 10; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 6; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 6; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 4; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) << 2; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 2; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192); } break;
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case ARRAY_DATA_14BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768) >> 2; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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}
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break;
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case ARRAY_DATA_16BITUNSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 12; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 12; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 8; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) >> 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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case ARRAY_DATA_16BITSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768); } break;
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}
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break;
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case ARRAY_DATA_16BITSIGNED:
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switch(srcfmt) {
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case ARRAY_DATA_4BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 8) << 12; } break;
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case ARRAY_DATA_4BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 12; } break;
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case ARRAY_DATA_8BITUNSIGNED: while(cnt--) { *dst16++ = (*src8++ ^ 128) << 8; } break;
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case ARRAY_DATA_8BITSIGNED: while(cnt--) { *dst16++ = *src8++ << 8; } break;
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case ARRAY_DATA_10BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 512) << 6; } break;
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case ARRAY_DATA_10BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 6; } break;
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case ARRAY_DATA_12BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 2048) << 4; } break;
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case ARRAY_DATA_12BITSIGNED: while(cnt--) { *dst16++ = *src16++ << 4; } break;
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case ARRAY_DATA_14BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 8192) << 2; } break;
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case ARRAY_DATA_14BITSIGNED: while(cnt--) { *dst16++ = *src16++ >> 2; } break;
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case ARRAY_DATA_16BITUNSIGNED: while(cnt--) { *dst16++ = (*src16++ ^ 32768); } break;
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case ARRAY_DATA_16BITSIGNED: if (dst != src) while(cnt--) { *dst16++ = *src16++; } break;
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}
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break;
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}
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}
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#endif /* GFX_USE_GMISC && GMISC_NEED_ARRAYOPS */
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/** @} */
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