2003-11-25 04:27:37 +01:00
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/*
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* DIB conversion routinues for cases where the destination
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* has non-native byte order.
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*
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* Copyright (C) 2003 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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2006-05-18 14:49:52 +02:00
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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2003-11-25 04:27:37 +01:00
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*/
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#include "config.h"
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#include <stdlib.h>
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#include "windef.h"
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#include "x11drv.h"
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#define FLIP_WORD(x) \
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( *(x) = ( (*(x) & 0xff) << 8) | \
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( (*(x) & 0xff00) >> 8) )
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#define FLIP_TWO_WORDS(x) \
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( *(x) = ( (*(x) & 0x00ff00ff) << 8) | \
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( (*(x) & 0xff00ff00) >> 8) )
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#define FLIP_DWORD(x) \
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( *(x) = ( (*(x) & 0xff) << 24) | \
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( (*(x) & 0xff00) << 8) | \
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( (*(x) & 0xff0000) >> 8) | \
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( (*(x) & 0xff000000) >> 24) )
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/*
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* 15 bit conversions
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*/
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static void convert_5x5_asis_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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int x, y;
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const DWORD *srcpixel;
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DWORD *dstpixel;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for(x = 0; x < width/2; x++) {
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/* Do 2 pixels at a time */
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DWORD srcval = *srcpixel++;
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*dstpixel++=((srcval << 8) & 0xff00ff00) |
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((srcval >> 8) & 0x00ff00ff);
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}
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if(width&1) {
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/* And the odd pixel */
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2004-11-30 22:38:57 +01:00
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WORD srcval = *(const WORD*)srcpixel;
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2003-11-25 04:27:37 +01:00
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*(WORD*)dstpixel = ((srcval << 8) & 0xff00) |
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((srcval >> 8) & 0x00ff);
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_555_reverse_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const DWORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width/2; x++) {
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/* Do 2 pixels at a time */
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DWORD srcval;
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srcval=*srcpixel++;
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*dstpixel++=((srcval >> 2) & 0x1f001f00) | /* h */
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((srcval >> 8) & 0x00030003) | /* g - 2 bits */
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((srcval << 8) & 0xe000e000) | /* g - 3 bits */
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((srcval << 2) & 0x007c007c); /* l */
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}
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if (width&1) {
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2007-10-23 15:30:30 +02:00
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/* And then the odd pixel */
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2003-11-25 04:27:37 +01:00
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WORD srcval;
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2004-11-30 22:38:57 +01:00
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srcval=*((const WORD*)srcpixel);
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2003-11-25 04:27:37 +01:00
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*((WORD*)dstpixel)=((srcval >> 2) & 0x1f00) | /* h */
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((srcval >> 8) & 0x0003) | /* g - 2 bits */
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((srcval << 8) & 0xe000) | /* g - 3 bits */
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((srcval << 2) & 0x007c); /* l */
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_555_to_565_asis_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const DWORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width/2; x++) {
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/* Do 2 pixels at a time */
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DWORD srcval;
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srcval=*srcpixel++;
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*dstpixel++=((srcval >> 7) & 0x00ff00ff) | /* h, g - 3 bits */
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((srcval << 9) & 0xc000c000) | /* g - 2 bits */
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((srcval << 4) & 0x20002000) | /* g - 1 bits */
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((srcval << 8) & 0x1f001f00); /* l */
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}
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if (width&1) {
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2007-10-23 15:30:30 +02:00
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/* And then the odd pixel */
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2003-11-25 04:27:37 +01:00
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WORD srcval;
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2004-11-30 22:38:57 +01:00
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srcval=*((const WORD*)srcpixel);
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2003-11-25 04:27:37 +01:00
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*((WORD*)dstpixel)=((srcval >> 7) & 0x00ff) | /* h, g - 3 bits */
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((srcval << 9) & 0xc000) | /* g - 2 bits */
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((srcval << 4) & 0x2000) | /* g - 1 bit */
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((srcval << 8) & 0x1f00); /* l */
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_555_to_565_reverse_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const DWORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width/2; x++) {
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/* Do 2 pixels at a time */
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DWORD srcval;
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srcval=*srcpixel++;
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*dstpixel++=((srcval >> 2) & 0x1f001f00) | /* h */
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((srcval >> 7) & 0x00070007) | /* g - 3 bits */
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((srcval << 9) & 0xc000c000) | /* g - 2 bits */
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((srcval << 4) & 0x20002000) | /* g - 1 bit */
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((srcval << 3) & 0x00f800f8); /* l */
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}
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if (width&1) {
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2007-10-23 15:30:30 +02:00
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/* And then the odd pixel */
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2003-11-25 04:27:37 +01:00
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WORD srcval;
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2004-11-30 22:38:57 +01:00
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srcval=*((const WORD*)srcpixel);
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2003-11-25 04:27:37 +01:00
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*((WORD*)dstpixel)=((srcval >> 2) & 0x1f00) | /* h */
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((srcval >> 7) & 0x0007) | /* g - 3 bits */
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((srcval << 9) & 0xc000) | /* g - 2 bits */
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((srcval << 4) & 0x2000) | /* g - 1 bit */
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((srcval << 3) & 0x00f8); /* l */
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_555_to_888_asis_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const WORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width/4; x++) {
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/* Do 4 pixels at a time. 4 words in 3 dwords out */
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DWORD srcval1, srcval2;
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srcval1=(DWORD)*srcpixel++;
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srcval2=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval1 << 27) & 0xf8000000) | /* l1 */
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((srcval1 << 22) & 0x07000000) | /* l1 - 3 bits */
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((srcval1 << 14) & 0x00f80000) | /* g1 */
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((srcval1 << 9) & 0x00070000) | /* g1 - 3 bits */
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((srcval1 << 1) & 0x0000f800) | /* h1 */
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((srcval1 >> 4) & 0x00070000) | /* h1 - 3 bits */
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((srcval2 << 3) & 0x000000f8) | /* l2 */
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((srcval2 >> 2) & 0x00000007); /* l2 - 3 bits */
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srcval1=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval2 << 22) & 0xf8000000) | /* g2 */
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((srcval2 << 17) & 0x07000000) | /* g2 - 3 bits */
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((srcval2 << 9) & 0x00f80000) | /* h2 */
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((srcval2 << 4) & 0x00070000) | /* h2 - 3 bits */
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((srcval1 << 11) & 0x0000f800) | /* l3 */
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((srcval1 << 6) & 0x00000700) | /* l3 - 3 bits */
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((srcval1 >> 2) & 0x000000f8) | /* g3 */
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((srcval1 >> 7) & 0x00000007); /* g3 - 3 bits */
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srcval2=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval1 << 17) & 0xf8000000) | /* h3 */
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((srcval1 << 12) & 0x07000000) | /* h3 - 3 bits */
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((srcval2 << 19) & 0x00f80000) | /* l4 */
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((srcval2 << 14) & 0x00070000) | /* l4 - 3 bits */
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((srcval2 << 6) & 0x0000f800) | /* g4 */
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((srcval2 << 1) & 0x00000700) | /* g4 - 3 bits */
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((srcval2 >> 7) & 0x000000f8) | /* h4 */
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((srcval2 >> 12) & 0x00000007); /* h4 - 3 bits */
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}
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if(width&3) {
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BYTE *dstbyte = (BYTE*)dstpixel;
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DWORD srcval;
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for(x = 0; x < (width&3); x++) {
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srcval = *srcpixel++;
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dstbyte[0] = ((srcval << 3) & 0xf8) | ((srcval >> 2) & 0x07);
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dstbyte[1] = ((srcval >> 2) & 0xf8) | ((srcval >> 7) & 0x07);
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dstbyte[2] = ((srcval >> 7) & 0xf8) | ((srcval >> 12) & 0x07);
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dstbyte+=3;
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if(x > 0)
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FLIP_DWORD(dstpixel + x - 1);
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}
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FLIP_DWORD(dstpixel + x - 1);
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_555_to_888_reverse_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const WORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width/4; x++) {
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/* Do 4 pixels at a time. 4 words in 3 dwords out */
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DWORD srcval1, srcval2;
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srcval1=(DWORD)*srcpixel++;
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srcval2=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval1 << 17) & 0xf8000000) | /* h1 */
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((srcval1 << 12) & 0x07000000) | /* h1 - 3 bits */
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((srcval1 << 14) & 0x00f80000) | /* g1 */
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((srcval1 << 9) & 0x00070000) | /* g1 - 3 bits */
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((srcval1 << 11) & 0x0000f800) | /* l1 */
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((srcval1 << 6) & 0x00070000) | /* l1 - 3 bits */
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((srcval2 >> 7) & 0x000000f8) | /* h2 */
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((srcval2 >> 12) & 0x00000007); /* h2 - 3 bits */
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srcval1=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval2 << 22) & 0xf8000000) | /* g2 */
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((srcval2 << 17) & 0x07000000) | /* g2 - 3 bits */
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((srcval2 << 19) & 0x00f80000) | /* l2 */
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((srcval2 << 14) & 0x00070000) | /* l2 - 3 bits */
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((srcval1 << 1) & 0x0000f800) | /* h3 */
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((srcval1 >> 4) & 0x00000700) | /* h3 - 3 bits */
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((srcval1 >> 2) & 0x000000f8) | /* g3 */
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((srcval1 >> 7) & 0x00000007); /* g3 - 3 bits */
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srcval2=(DWORD)*srcpixel++;
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*dstpixel++= ((srcval1 << 27) & 0xf8000000) | /* l3 */
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((srcval1 << 22) & 0x07000000) | /* l3 - 3 bits */
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((srcval2 << 9) & 0x00f80000) | /* h4 */
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((srcval2 << 4) & 0x00070000) | /* h4 - 3 bits */
|
|
|
|
|
((srcval2 << 6) & 0x0000f800) | /* g4 */
|
|
|
|
|
((srcval2 << 1) & 0x00000700) | /* g4 - 3 bits */
|
|
|
|
|
((srcval2 << 3) & 0x000000f8) | /* l4 */
|
|
|
|
|
((srcval2 >> 2) & 0x00000007); /* l4 - 3 bits */
|
|
|
|
|
}
|
|
|
|
|
if(width&3) {
|
|
|
|
|
BYTE *dstbyte = (BYTE*)dstpixel;
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
for(x = 0; x < (width&3); x++) {
|
|
|
|
|
srcval = *srcpixel++;
|
|
|
|
|
dstbyte[2] = ((srcval << 3) & 0xf8) | ((srcval >> 2) & 0x07);
|
|
|
|
|
dstbyte[1] = ((srcval >> 2) & 0xf8) | ((srcval >> 7) & 0x07);
|
|
|
|
|
dstbyte[0] = ((srcval >> 7) & 0xf8) | ((srcval >> 12) & 0x07);
|
|
|
|
|
dstbyte+=3;
|
|
|
|
|
if(x > 0)
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_555_to_0888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
WORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 1) & 0x0000f800) | /* h */
|
|
|
|
|
((srcval >> 4) & 0x00000700) | /* h - 3 bits */
|
|
|
|
|
((srcval << 14) & 0x00f80000) | /* g */
|
|
|
|
|
((srcval << 9) & 0x00070000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 27) & 0xf8000000) | /* l */
|
|
|
|
|
((srcval << 22) & 0x07000000); /* l - 3 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_555_to_0888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
WORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 17) & 0xf8000000) | /* h */
|
|
|
|
|
((srcval << 12) & 0x07000000) | /* h - 3 bits */
|
|
|
|
|
((srcval << 14) & 0x00f80000) | /* g */
|
|
|
|
|
((srcval << 9) & 0x00070000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 11) & 0x0000f800) | /* l */
|
|
|
|
|
((srcval << 6) & 0x00000700); /* l - 3 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_5x5_to_any0888_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
WORD rsrc, WORD gsrc, WORD bsrc,
|
|
|
|
|
void* dstbits, int dstlinebytes,
|
|
|
|
|
DWORD rdst, DWORD gdst, DWORD bdst)
|
|
|
|
|
{
|
|
|
|
|
int rRightShift1,gRightShift1,bRightShift1;
|
|
|
|
|
int rRightShift2,gRightShift2,bRightShift2;
|
|
|
|
|
BYTE gMask1,gMask2;
|
|
|
|
|
int rLeftShift,gLeftShift,bLeftShift;
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
/* Note, the source pixel value is shifted left by 16 bits so that
|
|
|
|
|
* we know we will always have to shift right to extract the components.
|
|
|
|
|
*/
|
|
|
|
|
rRightShift1=16+X11DRV_DIB_MaskToShift(rsrc)-3;
|
|
|
|
|
gRightShift1=16+X11DRV_DIB_MaskToShift(gsrc)-3;
|
|
|
|
|
bRightShift1=16+X11DRV_DIB_MaskToShift(bsrc)-3;
|
|
|
|
|
rRightShift2=rRightShift1+5;
|
|
|
|
|
gRightShift2=gRightShift1+5;
|
|
|
|
|
bRightShift2=bRightShift1+5;
|
|
|
|
|
if (gsrc==0x03e0) {
|
|
|
|
|
/* Green has 5 bits, like the others */
|
|
|
|
|
gMask1=0xf8;
|
|
|
|
|
gMask2=0x07;
|
|
|
|
|
} else {
|
|
|
|
|
/* Green has 6 bits, not 5. Compensate. */
|
|
|
|
|
gRightShift1++;
|
|
|
|
|
gRightShift2+=2;
|
|
|
|
|
gMask1=0xfc;
|
|
|
|
|
gMask2=0x03;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rLeftShift=X11DRV_DIB_MaskToShift(rdst);
|
|
|
|
|
gLeftShift=X11DRV_DIB_MaskToShift(gdst);
|
|
|
|
|
bLeftShift=X11DRV_DIB_MaskToShift(bdst);
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
BYTE red,green,blue;
|
|
|
|
|
srcval=*srcpixel++ << 16;
|
|
|
|
|
red= ((srcval >> rRightShift1) & 0xf8) |
|
|
|
|
|
((srcval >> rRightShift2) & 0x07);
|
|
|
|
|
green=((srcval >> gRightShift1) & gMask1) |
|
|
|
|
|
((srcval >> gRightShift2) & gMask2);
|
|
|
|
|
blue= ((srcval >> bRightShift1) & 0xf8) |
|
|
|
|
|
((srcval >> bRightShift2) & 0x07);
|
|
|
|
|
*dstpixel =(red << rLeftShift) |
|
|
|
|
|
(green << gLeftShift) |
|
|
|
|
|
(blue << bLeftShift);
|
|
|
|
|
FLIP_DWORD(dstpixel);
|
|
|
|
|
dstpixel++;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 16 bits conversions
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void convert_565_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/2; x++) {
|
|
|
|
|
/* Do 2 pixels at a time */
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval >> 3) & 0x1f001f00) | /* h */
|
|
|
|
|
((srcval >> 8) & 0x00070007) | /* g - 3 bits */
|
|
|
|
|
((srcval << 8) & 0xe000e000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 3) & 0x00f800f8); /* l */
|
|
|
|
|
}
|
|
|
|
|
if (width&1) {
|
2007-10-23 15:30:30 +02:00
|
|
|
/* And then the odd pixel */
|
2003-11-25 04:27:37 +01:00
|
|
|
WORD srcval;
|
2004-11-30 22:38:57 +01:00
|
|
|
srcval=*((const WORD*)srcpixel);
|
2003-11-25 04:27:37 +01:00
|
|
|
*((WORD*)dstpixel)=((srcval >> 3) & 0x1f00) | /* h */
|
|
|
|
|
((srcval >> 8) & 0x0007) | /* g - 3 bits */
|
|
|
|
|
((srcval << 8) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 3) & 0x00f8); /* l */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_555_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/2; x++) {
|
|
|
|
|
/* Do 2 pixels at a time */
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 7) & 0xe000e000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 8) & 0x1f001f00) | /* l */
|
|
|
|
|
((srcval >> 9) & 0x007f007f); /* h, g - 2 bits */
|
|
|
|
|
}
|
|
|
|
|
if (width&1) {
|
2007-10-23 15:30:30 +02:00
|
|
|
/* And then the odd pixel */
|
2003-11-25 04:27:37 +01:00
|
|
|
WORD srcval;
|
2004-11-30 22:38:57 +01:00
|
|
|
srcval=*((const WORD*)srcpixel);
|
2003-11-25 04:27:37 +01:00
|
|
|
*((WORD*)dstpixel)=((srcval << 7) & 0xe000) | /* g - 3 bits*/
|
|
|
|
|
((srcval << 8) & 0x1f00) | /* l */
|
|
|
|
|
((srcval >> 9) & 0x007f); /* h, g - 2 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_555_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/2; x++) {
|
|
|
|
|
/* Do 2 pixels at a time */
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 7) & 0xe000e000) | /* g - 3 bits */
|
|
|
|
|
((srcval >> 3) & 0x1f001f00) | /* l */
|
|
|
|
|
((srcval << 2) & 0x007c007c) | /* h */
|
|
|
|
|
((srcval >> 9) & 0x00030003); /* g - 2 bits */
|
|
|
|
|
}
|
|
|
|
|
if (width&1) {
|
2007-10-23 15:30:30 +02:00
|
|
|
/* And then the odd pixel */
|
2003-11-25 04:27:37 +01:00
|
|
|
WORD srcval;
|
2004-11-30 22:38:57 +01:00
|
|
|
srcval=*((const WORD*)srcpixel);
|
2003-11-25 04:27:37 +01:00
|
|
|
*((WORD*)dstpixel)=((srcval << 7) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval >> 3) & 0x1f00) | /* l */
|
|
|
|
|
((srcval << 2) & 0x007c) | /* h */
|
|
|
|
|
((srcval >> 9) & 0x0003); /* g - 2 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/4; x++) {
|
|
|
|
|
/* Do 4 pixels at a time. 4 words in 3 dwords out */
|
|
|
|
|
DWORD srcval1, srcval2;
|
|
|
|
|
srcval1=(DWORD)*srcpixel++;
|
|
|
|
|
srcval2=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval1 << 27) & 0xf8000000) | /* l1 */
|
|
|
|
|
((srcval1 << 22) & 0x07000000) | /* l1 - 3 bits */
|
|
|
|
|
((srcval1 << 13) & 0x00fc0000) | /* g1 */
|
|
|
|
|
((srcval1 << 7) & 0x00030000) | /* g1 - 2 bits */
|
|
|
|
|
((srcval1 << 0) & 0x0000f800) | /* h1 */
|
|
|
|
|
((srcval1 >> 5) & 0x00070000) | /* h1 - 3 bits */
|
|
|
|
|
((srcval2 << 3) & 0x000000f8) | /* l2 */
|
|
|
|
|
((srcval2 >> 2) & 0x00000007); /* l2 - 3 bits */
|
|
|
|
|
srcval1=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval2 << 21) & 0xfc000000) | /* g2 */
|
|
|
|
|
((srcval2 << 15) & 0x03000000) | /* g2 - 2 bits */
|
|
|
|
|
((srcval2 << 8) & 0x00f80000) | /* h2 */
|
|
|
|
|
((srcval2 << 3) & 0x00070000) | /* h2 - 3 bits */
|
|
|
|
|
((srcval1 << 11) & 0x0000f800) | /* l3 */
|
|
|
|
|
((srcval1 << 6) & 0x00000700) | /* l3 - 3 bits */
|
|
|
|
|
((srcval1 >> 3) & 0x000000fc) | /* g3 */
|
|
|
|
|
((srcval1 >> 9) & 0x00000003); /* g3 - 2 bits */
|
|
|
|
|
srcval2=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval1 << 16) & 0xf8000000) | /* h3 */
|
|
|
|
|
((srcval1 << 11) & 0x07000000) | /* h3 - 3 bits */
|
|
|
|
|
((srcval2 << 19) & 0x00f80000) | /* l4 */
|
|
|
|
|
((srcval2 << 14) & 0x00070000) | /* l4 - 3 bits */
|
|
|
|
|
((srcval2 << 5) & 0x0000fc00) | /* g4 */
|
|
|
|
|
((srcval2 >> 1) & 0x00000300) | /* g4 - 2 bits */
|
|
|
|
|
((srcval2 >> 8) & 0x000000f8) | /* h4 */
|
|
|
|
|
((srcval2 >> 13) & 0x00000007); /* h4 - 3 bits */
|
|
|
|
|
}
|
|
|
|
|
if(width&3) {
|
|
|
|
|
BYTE *dstbyte = (BYTE*)dstpixel;
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
for(x = 0; x < (width&3); x++) {
|
|
|
|
|
srcval = *srcpixel++;
|
|
|
|
|
dstbyte[0] = ((srcval << 3) & 0xf8) | ((srcval >> 2) & 0x07);
|
|
|
|
|
dstbyte[1] = ((srcval >> 3) & 0xfc) | ((srcval >> 9) & 0x03);
|
|
|
|
|
dstbyte[2] = ((srcval >> 8) & 0xf8) | ((srcval >> 13) & 0x07);
|
|
|
|
|
dstbyte+=3;
|
|
|
|
|
if(x > 0)
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/4; x++) {
|
|
|
|
|
/* Do 4 pixels at a time. 4 words in 3 dwords out */
|
|
|
|
|
DWORD srcval1, srcval2;
|
|
|
|
|
srcval1=(DWORD)*srcpixel++;
|
|
|
|
|
srcval2=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval1 << 16) & 0xf8000000) | /* h1 */
|
|
|
|
|
((srcval1 << 11) & 0x07000000) | /* h1 - 3 bits */
|
|
|
|
|
((srcval1 << 13) & 0x00fc0000) | /* g1 */
|
|
|
|
|
((srcval1 << 7) & 0x00030000) | /* g1 - 2 bits */
|
|
|
|
|
((srcval1 << 11) & 0x0000f800) | /* l1 */
|
|
|
|
|
((srcval1 << 6) & 0x00070000) | /* l1 - 3 bits */
|
|
|
|
|
((srcval2 >> 8) & 0x000000f8) | /* h2 */
|
|
|
|
|
((srcval2 >> 13) & 0x00000007); /* h2 - 3 bits */
|
|
|
|
|
srcval1=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval2 << 21) & 0xfc000000) | /* g2 */
|
|
|
|
|
((srcval2 << 15) & 0x03000000) | /* g2 - 2 bits */
|
|
|
|
|
((srcval2 << 19) & 0x00f80000) | /* l2 */
|
|
|
|
|
((srcval2 << 14) & 0x00070000) | /* l2 - 3 bits */
|
|
|
|
|
((srcval1 << 0) & 0x0000f800) | /* h3 */
|
|
|
|
|
((srcval1 >> 5) & 0x00000700) | /* h3 - 3 bits */
|
|
|
|
|
((srcval1 >> 3) & 0x000000fc) | /* g3 */
|
|
|
|
|
((srcval1 >> 9) & 0x00000003); /* g3 - 2 bits */
|
|
|
|
|
srcval2=(DWORD)*srcpixel++;
|
|
|
|
|
*dstpixel++= ((srcval1 << 27) & 0xf8000000) | /* l3 */
|
|
|
|
|
((srcval1 << 22) & 0x07000000) | /* l3 - 3 bits */
|
|
|
|
|
((srcval2 << 8) & 0x00f80000) | /* h4 */
|
|
|
|
|
((srcval2 << 3) & 0x00070000) | /* h4 - 3 bits */
|
|
|
|
|
((srcval2 << 5) & 0x0000fc00) | /* g4 */
|
|
|
|
|
((srcval2 >> 1) & 0x00000700) | /* g4 - 2 bits */
|
|
|
|
|
((srcval2 << 3) & 0x000000f8) | /* l4 */
|
|
|
|
|
((srcval2 >> 2) & 0x00000007); /* l4 - 3 bits */
|
|
|
|
|
}
|
|
|
|
|
if(width&3) {
|
|
|
|
|
BYTE *dstbyte = (BYTE*)dstpixel;
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
for(x = 0; x < (width&3); x++) {
|
|
|
|
|
srcval = *srcpixel++;
|
|
|
|
|
dstbyte[2] = ((srcval << 3) & 0xf8) | ((srcval >> 2) & 0x07);
|
|
|
|
|
dstbyte[1] = ((srcval >> 3) & 0xfc) | ((srcval >> 9) & 0x03);
|
|
|
|
|
dstbyte[0] = ((srcval >> 8) & 0xf8) | ((srcval >> 13) & 0x07);
|
|
|
|
|
dstbyte+=3;
|
|
|
|
|
if(x > 0)
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_0888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
WORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 0) & 0x0000f800) | /* h */
|
|
|
|
|
((srcval >> 5) & 0x00000700) | /* h - 3 bits */
|
|
|
|
|
((srcval << 13) & 0x00fc0000) | /* g */
|
|
|
|
|
((srcval << 7) & 0x00030000) | /* g - 2 bits */
|
|
|
|
|
((srcval << 27) & 0xf8000000) | /* l */
|
|
|
|
|
((srcval << 22) & 0x07000000); /* l - 3 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_565_to_0888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const WORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
WORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 16) & 0xf8000000) | /* h */
|
|
|
|
|
((srcval << 11) & 0x07000000) | /* h - 3 bits */
|
|
|
|
|
((srcval << 13) & 0x00fc0000) | /* g */
|
|
|
|
|
((srcval << 7) & 0x00030000) | /* g - 2 bits */
|
|
|
|
|
((srcval << 11) & 0x0000f800) | /* l */
|
|
|
|
|
((srcval << 6) & 0x00000700); /* l - 3 bits */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 24 bit conversions
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void convert_888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
for(x = 0; x < ((width+1)*3/4); x++) {
|
2004-11-30 22:38:57 +01:00
|
|
|
DWORD srcval = *((const DWORD*)srcbits + x);
|
2003-11-25 04:27:37 +01:00
|
|
|
*((DWORD*)dstbits + x) = ((srcval << 24) & 0xff000000) |
|
|
|
|
|
((srcval << 8) & 0x00ff0000) |
|
|
|
|
|
((srcval >> 8) & 0x0000ff00) |
|
|
|
|
|
((srcval >> 24) & 0x000000ff);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width/4; x++) {
|
|
|
|
|
/* Do 4 pixels at a time. 3 dwords in 3 dwords out */
|
|
|
|
|
*dstpixel++=((srcpixel[0] << 8) & 0xffffff00) | /* h1, g1, l1 */
|
|
|
|
|
((srcpixel[1] >> 8) & 0x000000ff); /* h2 */
|
|
|
|
|
*dstpixel++=((srcpixel[1] << 24) & 0xff000000) | /* g2 */
|
|
|
|
|
((srcpixel[0] >> 8) & 0x00ff0000) | /* l2 */
|
|
|
|
|
((srcpixel[2] << 8) & 0x0000ff00) | /* h3 */
|
|
|
|
|
((srcpixel[0] >> 24) & 0x000000ff); /* g3 */
|
|
|
|
|
*dstpixel++=((srcpixel[1] << 8) & 0xff000000) | /* l3 */
|
|
|
|
|
((srcpixel[2] >> 8) & 0x00ffffff); /* h4, g4, l4 */
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
}
|
|
|
|
|
if(width&3) {
|
|
|
|
|
BYTE *dstbyte = (BYTE*)dstpixel;
|
2004-11-30 22:38:57 +01:00
|
|
|
const BYTE *srcbyte = (const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for(x = 0; x < (width&3); x++) {
|
|
|
|
|
dstbyte[2] = srcbyte[0];
|
|
|
|
|
dstbyte[1] = srcbyte[1];
|
|
|
|
|
dstbyte[0] = srcbyte[2];
|
|
|
|
|
dstbyte+=3;
|
|
|
|
|
srcbyte+=3;
|
|
|
|
|
if(x > 0)
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_555_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
const BYTE* srcbyte;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 words out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
srcval1=srcpixel[0];
|
|
|
|
|
dstpixel[0]=((srcval1 << 5) & 0x1f00) | /* l1 */
|
|
|
|
|
((srcval1 >> 14) & 0x0003) | /* g1 - 2 bits */
|
|
|
|
|
((srcval1 << 2) & 0xe000) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 >> 17) & 0x007c); /* h1 */
|
|
|
|
|
srcval2=srcpixel[1];
|
|
|
|
|
dstpixel[1]=((srcval1 >> 19) & 0x1f00) | /* l2 */
|
|
|
|
|
((srcval2 >> 6) & 0x0003) | /* g2 - 2 bits */
|
|
|
|
|
((srcval2 << 10) & 0xe000) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 >> 9) & 0x007c); /* h2 */
|
|
|
|
|
srcval1=srcpixel[2];
|
|
|
|
|
dstpixel[2]=((srcval2 >> 11) & 0x1f00) | /* l3 */
|
|
|
|
|
((srcval2 >> 30) & 0x0003) | /* g3 - 2 bits */
|
|
|
|
|
((srcval2 >> 14) & 0xe000) | /* g3 - 3 bits */
|
|
|
|
|
((srcval1 >> 1) & 0x007c); /* h3 */
|
|
|
|
|
dstpixel[3]=((srcval1 >> 3) & 0x1f00) | /* l4 */
|
|
|
|
|
((srcval1 >> 22) & 0x0003) | /* g4 - 2 bits */
|
|
|
|
|
((srcval1 >> 6) & 0xe000) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 17) & 0x007c); /* h4 */
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
dstpixel+=4;
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbyte=(const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
WORD dstval;
|
|
|
|
|
dstval =((srcbyte[0] << 5) & 0x1f00); /* l */
|
|
|
|
|
dstval|=((srcbyte[1] >> 6) & 0x0003); /* g - 2 bits */
|
|
|
|
|
dstval|=((srcbyte[1] << 10) & 0xe000); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[2] >> 1) & 0x007c); /* h */
|
|
|
|
|
*dstpixel++=dstval;
|
|
|
|
|
srcbyte+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_555_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
const BYTE* srcbyte;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 words out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
srcval1=srcpixel[0];
|
|
|
|
|
dstpixel[0]=((srcval1 >> 1) & 0x007c) | /* l1 */
|
|
|
|
|
((srcval1 >> 14) & 0x0003) | /* g1 - 2 bits */
|
|
|
|
|
((srcval1 << 2) & 0xe000) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 >> 11) & 0x1f00); /* h1 */
|
|
|
|
|
srcval2=srcpixel[1];
|
|
|
|
|
dstpixel[1]=((srcval1 >> 25) & 0x007c) | /* l2 */
|
|
|
|
|
((srcval2 >> 6) & 0x0003) | /* g2 - 2 bits */
|
|
|
|
|
((srcval2 << 10) & 0xe000) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 >> 3) & 0x1f00); /* h2 */
|
|
|
|
|
srcval1=srcpixel[2];
|
|
|
|
|
dstpixel[2]=((srcval2 >> 17) & 0x007c) | /* l3 */
|
|
|
|
|
((srcval2 >> 30) & 0x0003) | /* g3 - 2 bits */
|
|
|
|
|
((srcval2 >> 14) & 0xe000) | /* g3 - 3 bits */
|
|
|
|
|
((srcval1 << 5) & 0x1f00); /* h3 */
|
|
|
|
|
dstpixel[3]=((srcval1 >> 9) & 0x007c) | /* l4 */
|
|
|
|
|
((srcval1 >> 22) & 0x0003) | /* g4 - 2 bits */
|
|
|
|
|
((srcval1 >> 6) & 0xe000) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 19) & 0x1f00); /* h4 */
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
dstpixel+=4;
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbyte=(const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
WORD dstval;
|
|
|
|
|
dstval =((srcbyte[0] >> 1) & 0x007c); /* l */
|
|
|
|
|
dstval|=((srcbyte[1] >> 6) & 0x0003); /* g - 2 bits */
|
|
|
|
|
dstval|=((srcbyte[1] << 10) & 0xe000); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[2] << 5) & 0x1f00); /* h */
|
|
|
|
|
FLIP_WORD(&dstval);
|
|
|
|
|
*dstpixel++=dstval;
|
|
|
|
|
srcbyte+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_565_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
const BYTE* srcbyte;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 words out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
srcval1=srcpixel[0];
|
|
|
|
|
dstpixel[0]=((srcval1 << 5) & 0x1f00) | /* l1 */
|
|
|
|
|
((srcval1 >> 13) & 0x0007) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 << 3) & 0xe000) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 >> 16) & 0x00f8); /* h1 */
|
|
|
|
|
srcval2=srcpixel[1];
|
|
|
|
|
dstpixel[1]=((srcval1 >> 19) & 0x1f00) | /* l2 */
|
|
|
|
|
((srcval2 >> 5) & 0x0007) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 << 11) & 0xe000) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 >> 8) & 0x00f8); /* h2 */
|
|
|
|
|
srcval1=srcpixel[2];
|
|
|
|
|
dstpixel[2]=((srcval2 >> 11) & 0x1f00) | /* l3 */
|
|
|
|
|
((srcval2 >> 29) & 0x0007) | /* g3 - 3 bits */
|
|
|
|
|
((srcval2 >> 13) & 0xe000) | /* g3 - 3 bits */
|
|
|
|
|
((srcval1 << 0) & 0x00f8); /* h3 */
|
|
|
|
|
dstpixel[3]=((srcval1 >> 3) & 0x1f00) | /* l4 */
|
|
|
|
|
((srcval1 >> 21) & 0x0007) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 5) & 0xe000) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 24) & 0x00f8); /* h4 */
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
dstpixel+=4;
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbyte=(const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
WORD dstval;
|
|
|
|
|
dstval =((srcbyte[0] << 5) & 0x1f00); /* l */
|
|
|
|
|
dstval|=((srcbyte[1] >> 5) & 0x0007); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[1] << 11) & 0xe000); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[2] << 0) & 0x00f8); /* h */
|
|
|
|
|
*dstpixel++=dstval;
|
|
|
|
|
srcbyte+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_565_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
const BYTE* srcbyte;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 words out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
srcval1=srcpixel[0];
|
|
|
|
|
dstpixel[0]=((srcval1 >> 0) & 0x00f8) | /* l1 */
|
|
|
|
|
((srcval1 >> 13) & 0x0007) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 << 3) & 0xe000) | /* g1 - 3 bits */
|
|
|
|
|
((srcval1 >> 11) & 0x1f00); /* h1 */
|
|
|
|
|
srcval2=srcpixel[1];
|
|
|
|
|
dstpixel[1]=((srcval1 >> 24) & 0x00f8) | /* l2 */
|
|
|
|
|
((srcval2 >> 5) & 0x0007) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 << 11) & 0xe000) | /* g2 - 3 bits */
|
|
|
|
|
((srcval2 >> 3) & 0x1f00); /* h2 */
|
|
|
|
|
srcval1=srcpixel[2];
|
|
|
|
|
dstpixel[2]=((srcval2 >> 16) & 0x00f8) | /* l3 */
|
|
|
|
|
((srcval2 >> 29) & 0x0007) | /* g3 - 3 bits */
|
|
|
|
|
((srcval2 >> 13) & 0xe000) | /* g3 - 3 bits */
|
|
|
|
|
((srcval1 << 5) & 0x1f00); /* h3 */
|
|
|
|
|
dstpixel[3]=((srcval1 >> 8) & 0x00f8) | /* l4 */
|
|
|
|
|
((srcval1 >> 21) & 0x0007) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 5) & 0xe000) | /* g4 - 3 bits */
|
|
|
|
|
((srcval1 >> 19) & 0x1f00); /* h4 */
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
dstpixel+=4;
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbyte=(const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
WORD dstval;
|
|
|
|
|
dstval =((srcbyte[0] << 0) & 0x00f8); /* l */
|
|
|
|
|
dstval|=((srcbyte[1] >> 5) & 0x0007); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[1] << 11) & 0xe000); /* g - 3 bits */
|
|
|
|
|
dstval|=((srcbyte[2] << 5) & 0x1f00); /* h */
|
|
|
|
|
*dstpixel++=dstval;
|
|
|
|
|
srcbyte+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_0888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 dwords out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 24) & 0xff000000) | /* l1 */
|
|
|
|
|
((srcval1 << 8) & 0x00ff0000) | /* g1 */
|
|
|
|
|
((srcval1 >> 8) & 0x0000ff00); /* h1 */
|
|
|
|
|
srcval2=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 0) & 0xff000000) | /* l2 */
|
|
|
|
|
((srcval2 << 16) & 0x00ff0000) | /* g2 */
|
|
|
|
|
((srcval2 << 0) & 0x0000ff00); /* h2 */
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval2 << 8) & 0xff000000) | /* l3 */
|
|
|
|
|
((srcval2 >> 8) & 0x00ff0000) | /* g3 */
|
|
|
|
|
((srcval1 << 8) & 0x0000ff00); /* h3 */
|
|
|
|
|
*dstpixel++=((srcval1 << 16) & 0xff000000) | /* l4 */
|
|
|
|
|
((srcval1 << 0) & 0x00ff0000) | /* g4 */
|
|
|
|
|
((srcval1 >> 16) & 0x0000ff00); /* h4 */
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
|
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel;
|
2004-11-30 22:38:57 +01:00
|
|
|
srcpixel=(const DWORD*)(((const char*)srcpixel)+3);
|
2003-11-25 04:27:37 +01:00
|
|
|
*dstpixel++=((srcval << 24) & 0xff000000) | /* l */
|
|
|
|
|
((srcval << 8) & 0x00ff0000) | /* g */
|
|
|
|
|
((srcval >> 8) & 0x0000ff00); /* h */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_888_to_0888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
int oddwidth;
|
|
|
|
|
|
|
|
|
|
oddwidth=width & 3;
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 3 dwords in and 4 dwords out */
|
|
|
|
|
DWORD srcval1,srcval2;
|
|
|
|
|
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 8) & 0xffffff00); /* h1, g1, l1 */
|
|
|
|
|
srcval2=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval2 << 16) & 0xffff0000) | /* h2, g2 */
|
|
|
|
|
((srcval1 >> 16) & 0x0000ff00); /* l2 */
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 24) & 0xff000000) | /* h3 */
|
|
|
|
|
((srcval2 >> 8) & 0x00ffff00); /* g3, l3 */
|
|
|
|
|
*dstpixel++=((srcval1 >> 0) & 0xffffff00); /* h4, g4, l4 */
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
|
|
|
|
for (x=0; x<oddwidth; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel;
|
2004-11-30 22:38:57 +01:00
|
|
|
srcpixel=(const DWORD*)(((const char*)srcpixel)+3);
|
2003-11-25 04:27:37 +01:00
|
|
|
*dstpixel++=((srcval << 8) & 0xffffff00);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_rgb888_to_any0888_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes,
|
|
|
|
|
DWORD rdst, DWORD gdst, DWORD bdst)
|
|
|
|
|
{
|
|
|
|
|
int rLeftShift,gLeftShift,bLeftShift;
|
|
|
|
|
const BYTE* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
rLeftShift=X11DRV_DIB_MaskToShift(rdst);
|
|
|
|
|
gLeftShift=X11DRV_DIB_MaskToShift(gdst);
|
|
|
|
|
bLeftShift=X11DRV_DIB_MaskToShift(bdst);
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
*dstpixel =(srcpixel[0] << bLeftShift) | /* b */
|
|
|
|
|
(srcpixel[1] << gLeftShift) | /* g */
|
|
|
|
|
(srcpixel[2] << rLeftShift); /* r */
|
|
|
|
|
FLIP_DWORD(dstpixel);
|
|
|
|
|
dstpixel++;
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_bgr888_to_any0888_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes,
|
|
|
|
|
DWORD rdst, DWORD gdst, DWORD bdst)
|
|
|
|
|
{
|
|
|
|
|
int rLeftShift,gLeftShift,bLeftShift;
|
|
|
|
|
const BYTE* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
rLeftShift=X11DRV_DIB_MaskToShift(rdst);
|
|
|
|
|
gLeftShift=X11DRV_DIB_MaskToShift(gdst);
|
|
|
|
|
bLeftShift=X11DRV_DIB_MaskToShift(bdst);
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
*dstpixel =(srcpixel[0] << rLeftShift) | /* r */
|
|
|
|
|
(srcpixel[1] << gLeftShift) | /* g */
|
|
|
|
|
(srcpixel[2] << bLeftShift); /* b */
|
|
|
|
|
FLIP_DWORD(dstpixel);
|
|
|
|
|
dstpixel++;
|
|
|
|
|
srcpixel+=3;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* 32 bit conversions
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void convert_0888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
for(x = 0; x < width; x++) {
|
2004-11-30 22:38:57 +01:00
|
|
|
DWORD srcval = *((const DWORD*)srcbits + x);
|
2003-11-25 04:27:37 +01:00
|
|
|
*((DWORD*)dstbits + x) = ((srcval << 24) & 0xff000000) |
|
|
|
|
|
((srcval << 8) & 0x00ff0000) |
|
|
|
|
|
((srcval >> 8) & 0x0000ff00) |
|
|
|
|
|
((srcval >> 24) & 0x000000ff);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void convert_0888_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval << 8) & 0xffffff00);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_any_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
DWORD rsrc, DWORD gsrc, DWORD bsrc,
|
|
|
|
|
void* dstbits, int dstlinebytes,
|
|
|
|
|
DWORD rdst, DWORD gdst, DWORD bdst)
|
|
|
|
|
{
|
|
|
|
|
int rRightShift,gRightShift,bRightShift;
|
|
|
|
|
int rLeftShift,gLeftShift,bLeftShift;
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
rRightShift=X11DRV_DIB_MaskToShift(rsrc);
|
|
|
|
|
gRightShift=X11DRV_DIB_MaskToShift(gsrc);
|
|
|
|
|
bRightShift=X11DRV_DIB_MaskToShift(bsrc);
|
|
|
|
|
rLeftShift=X11DRV_DIB_MaskToShift(rdst);
|
|
|
|
|
gLeftShift=X11DRV_DIB_MaskToShift(gdst);
|
|
|
|
|
bLeftShift=X11DRV_DIB_MaskToShift(bdst);
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel =(((srcval >> rRightShift) & 0xff) << rLeftShift) |
|
|
|
|
|
(((srcval >> gRightShift) & 0xff) << gLeftShift) |
|
|
|
|
|
(((srcval >> bRightShift) & 0xff) << bLeftShift);
|
|
|
|
|
FLIP_DWORD(dstpixel);
|
|
|
|
|
dstpixel++;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_to_555_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel =((srcval >> 17) & 0x007c) | /* h */
|
|
|
|
|
((srcval >> 14) & 0x0003) | /* g - 2 bits */
|
|
|
|
|
((srcval << 2) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 5) & 0x1f00); /* l */
|
|
|
|
|
dstpixel++;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_to_555_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel =((srcval >> 11) & 0x1f00) | /* h */
|
|
|
|
|
((srcval >> 6) & 0x0003) | /* g - 2 bits */
|
|
|
|
|
((srcval << 2) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval >> 1) & 0x7c00); /* l */
|
|
|
|
|
dstpixel++;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_to_565_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval >> 16) & 0x00f8) | /* h */
|
|
|
|
|
((srcval >> 13) & 0x0007) | /* g - 3 bits */
|
|
|
|
|
((srcval << 3) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 5) & 0x1f00); /* l */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_to_565_reverse_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval >> 11) & 0x1f00) | /* h */
|
|
|
|
|
((srcval >> 13) & 0x0007) | /* g - 3 bits */
|
|
|
|
|
((srcval << 3) & 0xe000) | /* g - 3 bits */
|
|
|
|
|
((srcval << 0) & 0x00f8); /* l */
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_any0888_to_5x5_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
DWORD rsrc, DWORD gsrc, DWORD bsrc,
|
|
|
|
|
void* dstbits, int dstlinebytes,
|
|
|
|
|
WORD rdst, WORD gdst, WORD bdst)
|
|
|
|
|
{
|
|
|
|
|
int rRightShift,gRightShift,bRightShift;
|
|
|
|
|
int rLeftShift,gLeftShift,bLeftShift;
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
WORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
/* Here is how we proceed. Assume we have rsrc=0x0000ff00 and our pixel
|
|
|
|
|
* contains 0x11223344.
|
|
|
|
|
* - first we shift 0x11223344 right by rRightShift to bring the most
|
|
|
|
|
* significant bits of the red components in the bottom 5 (or 6) bits
|
|
|
|
|
* -> 0x4488c
|
|
|
|
|
* - then we remove non red bits by anding with the modified rdst (0x1f)
|
|
|
|
|
* -> 0x0c
|
|
|
|
|
* - finally shift these bits left by rLeftShift so that they end up in
|
|
|
|
|
* the right place
|
|
|
|
|
* -> 0x3000
|
|
|
|
|
*/
|
|
|
|
|
rRightShift=X11DRV_DIB_MaskToShift(rsrc)+3;
|
|
|
|
|
gRightShift=X11DRV_DIB_MaskToShift(gsrc);
|
|
|
|
|
gRightShift+=(gdst==0x07e0?2:3);
|
|
|
|
|
bRightShift=X11DRV_DIB_MaskToShift(bsrc)+3;
|
|
|
|
|
|
|
|
|
|
rLeftShift=X11DRV_DIB_MaskToShift(rdst);
|
|
|
|
|
rdst=rdst >> rLeftShift;
|
|
|
|
|
gLeftShift=X11DRV_DIB_MaskToShift(gdst);
|
|
|
|
|
gdst=gdst >> gLeftShift;
|
|
|
|
|
bLeftShift=X11DRV_DIB_MaskToShift(bdst);
|
|
|
|
|
bdst=bdst >> bLeftShift;
|
|
|
|
|
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
DWORD srcval;
|
|
|
|
|
srcval=*srcpixel++;
|
|
|
|
|
*dstpixel =(((srcval >> rRightShift) & rdst) << rLeftShift) |
|
|
|
|
|
(((srcval >> gRightShift) & gdst) << gLeftShift) |
|
|
|
|
|
(((srcval >> bRightShift) & bdst) << bLeftShift);
|
|
|
|
|
FLIP_WORD(dstpixel);
|
|
|
|
|
dstpixel++;
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void convert_0888_to_888_asis_dst_byteswap(int width, int height,
|
|
|
|
|
const void* srcbits, int srclinebytes,
|
|
|
|
|
void* dstbits, int dstlinebytes)
|
|
|
|
|
{
|
|
|
|
|
const DWORD* srcpixel;
|
|
|
|
|
DWORD* dstpixel;
|
|
|
|
|
int x,y;
|
|
|
|
|
|
|
|
|
|
width=width/4;
|
|
|
|
|
for (y=0; y<height; y++) {
|
|
|
|
|
srcpixel=srcbits;
|
|
|
|
|
dstpixel=dstbits;
|
|
|
|
|
for (x=0; x<width; x++) {
|
|
|
|
|
/* Do 4 pixels at a time: 4 dwords in and 3 dwords out */
|
|
|
|
|
DWORD srcval1, srcval2;
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
srcval2=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 24) & 0xff000000) | /* l1 */
|
|
|
|
|
((srcval1 << 8) & 0x00ff0000) | /* g1 */
|
|
|
|
|
((srcval1 >> 8) & 0x0000ff00) | /* h1 */
|
|
|
|
|
((srcval2 >> 0) & 0x000000ff); /* l2 */
|
|
|
|
|
srcval1=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval2 << 16) & 0xff000000) | /* g2 */
|
|
|
|
|
((srcval2 << 0) & 0x00ff0000) | /* h2 */
|
|
|
|
|
((srcval1 << 8) & 0x0000ff00) | /* l3 */
|
|
|
|
|
((srcval1 >> 8) & 0x000000ff); /* g3 */
|
|
|
|
|
srcval2=*srcpixel++;
|
|
|
|
|
*dstpixel++=((srcval1 << 8) & 0xff000000) | /* h3 */
|
|
|
|
|
((srcval2 << 16) & 0x00ff0000) | /* l4 */
|
|
|
|
|
((srcval2 << 0) & 0x0000ff00) | /* g4 */
|
|
|
|
|
((srcval2 >> 16) & 0x000000ff); /* h4 */
|
|
|
|
|
}
|
|
|
|
|
/* And now up to 3 odd pixels */
|
|
|
|
|
if(width&3) {
|
|
|
|
|
BYTE *dstbyte = (BYTE*)dstpixel;
|
2004-11-30 22:38:57 +01:00
|
|
|
const BYTE *srcbyte = (const BYTE*)srcpixel;
|
2003-11-25 04:27:37 +01:00
|
|
|
for(x = 0; x < (width&3); x++) {
|
|
|
|
|
dstbyte[0] = srcbyte[0];
|
|
|
|
|
dstbyte[1] = srcbyte[1];
|
|
|
|
|
dstbyte[2] = srcbyte[2];
|
|
|
|
|
dstbyte+=3;
|
|
|
|
|
srcbyte+=4;
|
|
|
|
|
if(x > 0)
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
|
|
|
|
FLIP_DWORD(dstpixel + x - 1);
|
|
|
|
|
}
|
2004-11-30 22:38:57 +01:00
|
|
|
srcbits = (const char*)srcbits + srclinebytes;
|
2003-11-25 04:27:37 +01:00
|
|
|
dstbits = (char*)dstbits + dstlinebytes;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
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static void convert_0888_to_888_reverse_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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void* dstbits, int dstlinebytes)
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{
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const DWORD* srcpixel;
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DWORD* dstpixel;
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int x,y;
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width=width/4;
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width; x++) {
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/* Do 4 pixels at a time: 4 dwords in and 3 dwords out */
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DWORD srcval1,srcval2;
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srcval1=*srcpixel++;
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srcval2=*srcpixel++;
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*dstpixel++=((srcval1 << 8) & 0xffffff00) | /* h1, g1, l1 */
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((srcval2 >> 16) & 0x000000ff); /* h2 */
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srcval1=*srcpixel++;
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*dstpixel++=((srcval2 << 16) & 0xffff0000) | /* g2, l2 */
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((srcval1 >> 8) & 0x0000ffff); /* h3, g3 */
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srcval2=*srcpixel++;
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*dstpixel++=((srcval1 << 24) & 0xff000000) | /* l3 */
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((srcval2 << 0) & 0x00ffffff); /* h4, g4, l4 */
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}
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/* And now up to 3 odd pixels */
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if(width&3) {
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BYTE *dstbyte = (BYTE*)dstpixel;
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2004-11-30 22:38:57 +01:00
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const BYTE *srcbyte = (const BYTE*)srcpixel;
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2003-11-25 04:27:37 +01:00
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for(x = 0; x < (width&3); x++) {
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dstbyte[2] = srcbyte[0];
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dstbyte[1] = srcbyte[1];
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dstbyte[0] = srcbyte[2];
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dstbyte+=3;
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srcbyte+=4;
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if(x > 0)
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FLIP_DWORD(dstpixel + x - 1);
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}
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FLIP_DWORD(dstpixel + x - 1);
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}
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_any0888_to_rgb888_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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DWORD rsrc, DWORD gsrc, DWORD bsrc,
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void* dstbits, int dstlinebytes)
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{
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int rRightShift,gRightShift,bRightShift;
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const DWORD* srcpixel;
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BYTE* dstpixel;
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int x,y;
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rRightShift=X11DRV_DIB_MaskToShift(rsrc);
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gRightShift=X11DRV_DIB_MaskToShift(gsrc);
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bRightShift=X11DRV_DIB_MaskToShift(bsrc);
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width; x++) {
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DWORD srcval;
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srcval=*srcpixel++;
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dstpixel[0]=(srcval >> bRightShift); /* b */
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dstpixel[1]=(srcval >> gRightShift); /* g */
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dstpixel[2]=(srcval >> rRightShift); /* r */
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if(x&3)
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FLIP_DWORD((DWORD*)(dstpixel + x - 4));
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dstpixel+=3;
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}
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if(x&3)
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FLIP_DWORD((DWORD*)(dstpixel + x - 4));
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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static void convert_any0888_to_bgr888_dst_byteswap(int width, int height,
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const void* srcbits, int srclinebytes,
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DWORD rsrc, DWORD gsrc, DWORD bsrc,
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void* dstbits, int dstlinebytes)
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{
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int rRightShift,gRightShift,bRightShift;
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const DWORD* srcpixel;
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BYTE* dstpixel;
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int x,y;
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rRightShift=X11DRV_DIB_MaskToShift(rsrc);
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gRightShift=X11DRV_DIB_MaskToShift(gsrc);
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bRightShift=X11DRV_DIB_MaskToShift(bsrc);
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for (y=0; y<height; y++) {
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srcpixel=srcbits;
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dstpixel=dstbits;
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for (x=0; x<width; x++) {
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DWORD srcval;
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srcval=*srcpixel++;
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dstpixel[0]=(srcval >> rRightShift); /* r */
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dstpixel[1]=(srcval >> gRightShift); /* g */
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dstpixel[2]=(srcval >> bRightShift); /* b */
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if(x&3)
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FLIP_DWORD((DWORD*)(dstpixel + x - 4));
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dstpixel+=3;
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}
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if(x&3)
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FLIP_DWORD((DWORD*)(dstpixel + x - 4));
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2004-11-30 22:38:57 +01:00
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srcbits = (const char*)srcbits + srclinebytes;
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2003-11-25 04:27:37 +01:00
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dstbits = (char*)dstbits + dstlinebytes;
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}
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}
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const dib_conversions dib_dst_byteswap = {
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convert_5x5_asis_dst_byteswap,
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convert_555_reverse_dst_byteswap,
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convert_555_to_565_asis_dst_byteswap,
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convert_555_to_565_reverse_dst_byteswap,
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convert_555_to_888_asis_dst_byteswap,
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convert_555_to_888_reverse_dst_byteswap,
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convert_555_to_0888_asis_dst_byteswap,
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convert_555_to_0888_reverse_dst_byteswap,
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convert_5x5_to_any0888_dst_byteswap,
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convert_565_reverse_dst_byteswap,
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convert_565_to_555_asis_dst_byteswap,
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convert_565_to_555_reverse_dst_byteswap,
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convert_565_to_888_asis_dst_byteswap,
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convert_565_to_888_reverse_dst_byteswap,
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convert_565_to_0888_asis_dst_byteswap,
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convert_565_to_0888_reverse_dst_byteswap,
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convert_888_asis_dst_byteswap,
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convert_888_reverse_dst_byteswap,
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convert_888_to_555_asis_dst_byteswap,
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convert_888_to_555_reverse_dst_byteswap,
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convert_888_to_565_asis_dst_byteswap,
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convert_888_to_565_reverse_dst_byteswap,
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convert_888_to_0888_asis_dst_byteswap,
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convert_888_to_0888_reverse_dst_byteswap,
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convert_rgb888_to_any0888_dst_byteswap,
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convert_bgr888_to_any0888_dst_byteswap,
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convert_0888_asis_dst_byteswap,
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convert_0888_reverse_dst_byteswap,
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convert_0888_any_dst_byteswap,
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convert_0888_to_555_asis_dst_byteswap,
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convert_0888_to_555_reverse_dst_byteswap,
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convert_0888_to_565_asis_dst_byteswap,
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convert_0888_to_565_reverse_dst_byteswap,
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convert_any0888_to_5x5_dst_byteswap,
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convert_0888_to_888_asis_dst_byteswap,
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convert_0888_to_888_reverse_dst_byteswap,
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convert_any0888_to_rgb888_dst_byteswap,
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convert_any0888_to_bgr888_dst_byteswap
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};
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