| /* |
| * DIB conversion routinues for cases where the destination |
| * has non-native byte order. |
| * |
| * Copyright (C) 2003 Huw Davies |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdlib.h> |
| |
| #include "windef.h" |
| #include "x11drv.h" |
| |
| #define FLIP_WORD(x) \ |
| ( *(x) = ( (*(x) & 0xff) << 8) | \ |
| ( (*(x) & 0xff00) >> 8) ) |
| |
| #define FLIP_TWO_WORDS(x) \ |
| ( *(x) = ( (*(x) & 0x00ff00ff) << 8) | \ |
| ( (*(x) & 0xff00ff00) >> 8) ) |
| |
| #define FLIP_DWORD(x) \ |
| ( *(x) = ( (*(x) & 0xff) << 24) | \ |
| ( (*(x) & 0xff00) << 8) | \ |
| ( (*(x) & 0xff0000) >> 8) | \ |
| ( (*(x) & 0xff000000) >> 24) ) |
| |
| |
| /* |
| * 15 bit conversions |
| */ |
| |
| static void convert_5x5_asis_dst_byteswap(int width, int height, |
| const void* srcbits, int srclinebytes, |
| void* dstbits, int dstlinebytes) |
| { |
| int x, y; |
| const DWORD *srcpixel; |
| DWORD *dstpixel; |
| |
| 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 = *srcpixel++; |
| *dstpixel++=((srcval << 8) & 0xff00ff00) | |
| ((srcval >> 8) & 0x00ff00ff); |
| } |
| if(width&1) { |
| /* And the odd pixel */ |
| WORD srcval = *(const WORD*)srcpixel; |
| *(WORD*)dstpixel = ((srcval << 8) & 0xff00) | |
| ((srcval >> 8) & 0x00ff); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_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 >> 2) & 0x1f001f00) | /* h */ |
| ((srcval >> 8) & 0x00030003) | /* g - 2 bits */ |
| ((srcval << 8) & 0xe000e000) | /* g - 3 bits */ |
| ((srcval << 2) & 0x007c007c); /* l */ |
| } |
| if (width&1) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval >> 2) & 0x1f00) | /* h */ |
| ((srcval >> 8) & 0x0003) | /* g - 2 bits */ |
| ((srcval << 8) & 0xe000) | /* g - 3 bits */ |
| ((srcval << 2) & 0x007c); /* l */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_555_to_565_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) & 0x00ff00ff) | /* h, g - 3 bits */ |
| ((srcval << 9) & 0xc000c000) | /* g - 2 bits */ |
| ((srcval << 4) & 0x20002000) | /* g - 1 bits */ |
| ((srcval << 8) & 0x1f001f00); /* l */ |
| } |
| if (width&1) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval >> 7) & 0x00ff) | /* h, g - 3 bits */ |
| ((srcval << 9) & 0xc000) | /* g - 2 bits */ |
| ((srcval << 4) & 0x2000) | /* g - 1 bit */ |
| ((srcval << 8) & 0x1f00); /* l */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_555_to_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 >> 2) & 0x1f001f00) | /* h */ |
| ((srcval >> 7) & 0x00070007) | /* g - 3 bits */ |
| ((srcval << 9) & 0xc000c000) | /* g - 2 bits */ |
| ((srcval << 4) & 0x20002000) | /* g - 1 bit */ |
| ((srcval << 3) & 0x00f800f8); /* l */ |
| } |
| if (width&1) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval >> 2) & 0x1f00) | /* h */ |
| ((srcval >> 7) & 0x0007) | /* g - 3 bits */ |
| ((srcval << 9) & 0xc000) | /* g - 2 bits */ |
| ((srcval << 4) & 0x2000) | /* g - 1 bit */ |
| ((srcval << 3) & 0x00f8); /* l */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_555_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 << 14) & 0x00f80000) | /* g1 */ |
| ((srcval1 << 9) & 0x00070000) | /* g1 - 3 bits */ |
| ((srcval1 << 1) & 0x0000f800) | /* h1 */ |
| ((srcval1 >> 4) & 0x00070000) | /* h1 - 3 bits */ |
| ((srcval2 << 3) & 0x000000f8) | /* l2 */ |
| ((srcval2 >> 2) & 0x00000007); /* l2 - 3 bits */ |
| srcval1=(DWORD)*srcpixel++; |
| *dstpixel++= ((srcval2 << 22) & 0xf8000000) | /* g2 */ |
| ((srcval2 << 17) & 0x07000000) | /* g2 - 3 bits */ |
| ((srcval2 << 9) & 0x00f80000) | /* h2 */ |
| ((srcval2 << 4) & 0x00070000) | /* h2 - 3 bits */ |
| ((srcval1 << 11) & 0x0000f800) | /* l3 */ |
| ((srcval1 << 6) & 0x00000700) | /* l3 - 3 bits */ |
| ((srcval1 >> 2) & 0x000000f8) | /* g3 */ |
| ((srcval1 >> 7) & 0x00000007); /* g3 - 3 bits */ |
| srcval2=(DWORD)*srcpixel++; |
| *dstpixel++= ((srcval1 << 17) & 0xf8000000) | /* h3 */ |
| ((srcval1 << 12) & 0x07000000) | /* h3 - 3 bits */ |
| ((srcval2 << 19) & 0x00f80000) | /* l4 */ |
| ((srcval2 << 14) & 0x00070000) | /* l4 - 3 bits */ |
| ((srcval2 << 6) & 0x0000f800) | /* g4 */ |
| ((srcval2 << 1) & 0x00000700) | /* g4 - 3 bits */ |
| ((srcval2 >> 7) & 0x000000f8) | /* h4 */ |
| ((srcval2 >> 12) & 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 >> 2) & 0xf8) | ((srcval >> 7) & 0x07); |
| dstbyte[2] = ((srcval >> 7) & 0xf8) | ((srcval >> 12) & 0x07); |
| dstbyte+=3; |
| if(x > 0) |
| FLIP_DWORD(dstpixel + x - 1); |
| } |
| FLIP_DWORD(dstpixel + x - 1); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_555_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 << 17) & 0xf8000000) | /* h1 */ |
| ((srcval1 << 12) & 0x07000000) | /* h1 - 3 bits */ |
| ((srcval1 << 14) & 0x00f80000) | /* g1 */ |
| ((srcval1 << 9) & 0x00070000) | /* g1 - 3 bits */ |
| ((srcval1 << 11) & 0x0000f800) | /* l1 */ |
| ((srcval1 << 6) & 0x00070000) | /* l1 - 3 bits */ |
| ((srcval2 >> 7) & 0x000000f8) | /* h2 */ |
| ((srcval2 >> 12) & 0x00000007); /* h2 - 3 bits */ |
| srcval1=(DWORD)*srcpixel++; |
| *dstpixel++= ((srcval2 << 22) & 0xf8000000) | /* g2 */ |
| ((srcval2 << 17) & 0x07000000) | /* g2 - 3 bits */ |
| ((srcval2 << 19) & 0x00f80000) | /* l2 */ |
| ((srcval2 << 14) & 0x00070000) | /* l2 - 3 bits */ |
| ((srcval1 << 1) & 0x0000f800) | /* h3 */ |
| ((srcval1 >> 4) & 0x00000700) | /* h3 - 3 bits */ |
| ((srcval1 >> 2) & 0x000000f8) | /* g3 */ |
| ((srcval1 >> 7) & 0x00000007); /* g3 - 3 bits */ |
| srcval2=(DWORD)*srcpixel++; |
| *dstpixel++= ((srcval1 << 27) & 0xf8000000) | /* l3 */ |
| ((srcval1 << 22) & 0x07000000) | /* l3 - 3 bits */ |
| ((srcval2 << 9) & 0x00f80000) | /* h4 */ |
| ((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); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval >> 3) & 0x1f00) | /* h */ |
| ((srcval >> 8) & 0x0007) | /* g - 3 bits */ |
| ((srcval << 8) & 0xe000) | /* g - 3 bits */ |
| ((srcval << 3) & 0x00f8); /* l */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval << 7) & 0xe000) | /* g - 3 bits*/ |
| ((srcval << 8) & 0x1f00) | /* l */ |
| ((srcval >> 9) & 0x007f); /* h, g - 2 bits */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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) { |
| /* And the the odd pixel */ |
| WORD srcval; |
| srcval=*((const WORD*)srcpixel); |
| *((WORD*)dstpixel)=((srcval << 7) & 0xe000) | /* g - 3 bits */ |
| ((srcval >> 3) & 0x1f00) | /* l */ |
| ((srcval << 2) & 0x007c) | /* h */ |
| ((srcval >> 9) & 0x0003); /* g - 2 bits */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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); |
| } |
| |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++) { |
| DWORD srcval = *((const DWORD*)srcbits + x); |
| *((DWORD*)dstbits + x) = ((srcval << 24) & 0xff000000) | |
| ((srcval << 8) & 0x00ff0000) | |
| ((srcval >> 8) & 0x0000ff00) | |
| ((srcval >> 24) & 0x000000ff); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| const BYTE *srcbyte = (const BYTE*)srcpixel; |
| 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); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| srcbyte=(const BYTE*)srcpixel; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| srcbyte=(const BYTE*)srcpixel; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| srcbyte=(const BYTE*)srcpixel; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| srcbyte=(const BYTE*)srcpixel; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| srcpixel=(const DWORD*)(((const char*)srcpixel)+3); |
| *dstpixel++=((srcval << 24) & 0xff000000) | /* l */ |
| ((srcval << 8) & 0x00ff0000) | /* g */ |
| ((srcval >> 8) & 0x0000ff00); /* h */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| srcpixel=(const DWORD*)(((const char*)srcpixel)+3); |
| *dstpixel++=((srcval << 8) & 0xffffff00); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++) { |
| DWORD srcval = *((const DWORD*)srcbits + x); |
| *((DWORD*)dstbits + x) = ((srcval << 24) & 0xff000000) | |
| ((srcval << 8) & 0x00ff0000) | |
| ((srcval >> 8) & 0x0000ff00) | |
| ((srcval >> 24) & 0x000000ff); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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 */ |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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++; |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| 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; |
| 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: 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; |
| const BYTE *srcbyte = (const BYTE*)srcpixel; |
| 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); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_0888_to_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; |
| 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: 4 dwords in and 3 dwords out */ |
| DWORD srcval1,srcval2; |
| srcval1=*srcpixel++; |
| srcval2=*srcpixel++; |
| *dstpixel++=((srcval1 << 8) & 0xffffff00) | /* h1, g1, l1 */ |
| ((srcval2 >> 16) & 0x000000ff); /* h2 */ |
| srcval1=*srcpixel++; |
| *dstpixel++=((srcval2 << 16) & 0xffff0000) | /* g2, l2 */ |
| ((srcval1 >> 8) & 0x0000ffff); /* h3, g3 */ |
| srcval2=*srcpixel++; |
| *dstpixel++=((srcval1 << 24) & 0xff000000) | /* l3 */ |
| ((srcval2 << 0) & 0x00ffffff); /* h4, g4, l4 */ |
| } |
| /* And now up to 3 odd pixels */ |
| if(width&3) { |
| BYTE *dstbyte = (BYTE*)dstpixel; |
| const BYTE *srcbyte = (const BYTE*)srcpixel; |
| for(x = 0; x < (width&3); x++) { |
| dstbyte[2] = srcbyte[0]; |
| dstbyte[1] = srcbyte[1]; |
| dstbyte[0] = srcbyte[2]; |
| dstbyte+=3; |
| srcbyte+=4; |
| if(x > 0) |
| FLIP_DWORD(dstpixel + x - 1); |
| } |
| FLIP_DWORD(dstpixel + x - 1); |
| } |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_any0888_to_rgb888_dst_byteswap(int width, int height, |
| const void* srcbits, int srclinebytes, |
| DWORD rsrc, DWORD gsrc, DWORD bsrc, |
| void* dstbits, int dstlinebytes) |
| { |
| int rRightShift,gRightShift,bRightShift; |
| const DWORD* srcpixel; |
| BYTE* dstpixel; |
| int x,y; |
| |
| rRightShift=X11DRV_DIB_MaskToShift(rsrc); |
| gRightShift=X11DRV_DIB_MaskToShift(gsrc); |
| bRightShift=X11DRV_DIB_MaskToShift(bsrc); |
| for (y=0; y<height; y++) { |
| srcpixel=srcbits; |
| dstpixel=dstbits; |
| for (x=0; x<width; x++) { |
| DWORD srcval; |
| srcval=*srcpixel++; |
| dstpixel[0]=(srcval >> bRightShift); /* b */ |
| dstpixel[1]=(srcval >> gRightShift); /* g */ |
| dstpixel[2]=(srcval >> rRightShift); /* r */ |
| if(x&3) |
| FLIP_DWORD((DWORD*)(dstpixel + x - 4)); |
| dstpixel+=3; |
| } |
| if(x&3) |
| FLIP_DWORD((DWORD*)(dstpixel + x - 4)); |
| |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| static void convert_any0888_to_bgr888_dst_byteswap(int width, int height, |
| const void* srcbits, int srclinebytes, |
| DWORD rsrc, DWORD gsrc, DWORD bsrc, |
| void* dstbits, int dstlinebytes) |
| { |
| int rRightShift,gRightShift,bRightShift; |
| const DWORD* srcpixel; |
| BYTE* dstpixel; |
| int x,y; |
| |
| rRightShift=X11DRV_DIB_MaskToShift(rsrc); |
| gRightShift=X11DRV_DIB_MaskToShift(gsrc); |
| bRightShift=X11DRV_DIB_MaskToShift(bsrc); |
| for (y=0; y<height; y++) { |
| srcpixel=srcbits; |
| dstpixel=dstbits; |
| for (x=0; x<width; x++) { |
| DWORD srcval; |
| srcval=*srcpixel++; |
| dstpixel[0]=(srcval >> rRightShift); /* r */ |
| dstpixel[1]=(srcval >> gRightShift); /* g */ |
| dstpixel[2]=(srcval >> bRightShift); /* b */ |
| if(x&3) |
| FLIP_DWORD((DWORD*)(dstpixel + x - 4)); |
| dstpixel+=3; |
| } |
| if(x&3) |
| FLIP_DWORD((DWORD*)(dstpixel + x - 4)); |
| srcbits = (const char*)srcbits + srclinebytes; |
| dstbits = (char*)dstbits + dstlinebytes; |
| } |
| } |
| |
| const dib_conversions dib_dst_byteswap = { |
| convert_5x5_asis_dst_byteswap, |
| convert_555_reverse_dst_byteswap, |
| convert_555_to_565_asis_dst_byteswap, |
| convert_555_to_565_reverse_dst_byteswap, |
| convert_555_to_888_asis_dst_byteswap, |
| convert_555_to_888_reverse_dst_byteswap, |
| convert_555_to_0888_asis_dst_byteswap, |
| convert_555_to_0888_reverse_dst_byteswap, |
| convert_5x5_to_any0888_dst_byteswap, |
| convert_565_reverse_dst_byteswap, |
| convert_565_to_555_asis_dst_byteswap, |
| convert_565_to_555_reverse_dst_byteswap, |
| convert_565_to_888_asis_dst_byteswap, |
| convert_565_to_888_reverse_dst_byteswap, |
| convert_565_to_0888_asis_dst_byteswap, |
| convert_565_to_0888_reverse_dst_byteswap, |
| convert_888_asis_dst_byteswap, |
| convert_888_reverse_dst_byteswap, |
| convert_888_to_555_asis_dst_byteswap, |
| convert_888_to_555_reverse_dst_byteswap, |
| convert_888_to_565_asis_dst_byteswap, |
| convert_888_to_565_reverse_dst_byteswap, |
| convert_888_to_0888_asis_dst_byteswap, |
| convert_888_to_0888_reverse_dst_byteswap, |
| convert_rgb888_to_any0888_dst_byteswap, |
| convert_bgr888_to_any0888_dst_byteswap, |
| convert_0888_asis_dst_byteswap, |
| convert_0888_reverse_dst_byteswap, |
| convert_0888_any_dst_byteswap, |
| convert_0888_to_555_asis_dst_byteswap, |
| convert_0888_to_555_reverse_dst_byteswap, |
| convert_0888_to_565_asis_dst_byteswap, |
| convert_0888_to_565_reverse_dst_byteswap, |
| convert_any0888_to_5x5_dst_byteswap, |
| convert_0888_to_888_asis_dst_byteswap, |
| convert_0888_to_888_reverse_dst_byteswap, |
| convert_any0888_to_rgb888_dst_byteswap, |
| convert_any0888_to_bgr888_dst_byteswap |
| }; |
