diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xf4bpp/offscreen.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xf4bpp/offscreen.c | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/xorg-server/hw/xfree86/xf4bpp/offscreen.c b/xorg-server/hw/xfree86/xf4bpp/offscreen.c deleted file mode 100644 index 3160e7ef8..000000000 --- a/xorg-server/hw/xfree86/xf4bpp/offscreen.c +++ /dev/null @@ -1,342 +0,0 @@ -/* - * Copyright 1993 Gerrit Jan Akkerman - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Gerrit Jan Akkerman not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * GERRIT JAN AKKERMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, - * IN NO EVENT SHALL GERRIT JAN AKKERMAN BE LIABLE FOR ANY SPECIAL, INDIRECT - * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF - * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR - * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - * -*/ -/* - * Copyright IBM Corporation 1987,1988,1989 - * - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of IBM not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * -*/ - -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include "xf4bpp.h" -#include "vgaVideo.h" -#include "pixmapstr.h" -#include "scrnintstr.h" -#include "windowstr.h" - -#define saved_screen(pWin) \ - ((unsigned char *)(((PixmapPtr)((pWin)->drawable.pScreen->devPrivate))->devPrivate.ptr)) - -#define SAVEDSCREEN(pWin, x, y) \ - (*(saved_screen(pWin) + (y) * (BYTES_PER_LINE(pWin)) + (x))) - -#define DO_ROP(src,dst,alu,planes) \ - ((dst) = do_rop((src),(dst),(alu),(planes))) - -/* NOTE: - * The following to functions don't do anything. They're just there to - * provide a stable interface to the rest of the system. - */ - -static int -do_rop -( - int src, - int dst, - int alu, - const unsigned long planes -) -{ - int _dst; /* New dst */ - - switch ( alu ) { - case GXclear: /* 0x0 Zero 0 */ - _dst = 0; break ; - case GXinvert: /* 0xa NOT dst */ - _dst = ~dst; break ; - case GXset: /* 0xf 1 */ - _dst = src; break ; - default: - case GXnoop: /* 0x5 dst */ - return dst; - case GXnor: /* 0x8 NOT src AND NOT dst */ - _dst = ~src & ~dst; break ; - case GXandInverted: /* 0x4 NOT src AND dst */ - _dst = ~src & dst; break ; - case GXand: /* 0x1 src AND dst */ - _dst = src & dst; break ; - case GXequiv: /* 0x9 NOT src XOR dst */ - _dst = ~src ^ dst; break ; - case GXxor: /* 0x6 src XOR dst */ - _dst = src ^ dst; break ; - case GXandReverse: /* 0x2 src AND NOT dst */ - _dst = src & ~dst; break ; - case GXnand: /* 0xe NOT src OR NOT dst */ - _dst = ~src | ~dst; break ; - case GXorReverse: /* 0xb src OR NOT dst */ - _dst = src | ~dst; break ; - case GXorInverted: /* 0xd NOT src OR dst */ - _dst = ~src | dst; break ; - case GXor: /* 0x7 src OR dst */ - _dst = src | dst; break ; - case GXcopyInverted: /* 0xc NOT src */ - _dst = ~src; break ; - case GXcopy: /* 0x3 src */ - _dst = src; break ; - } - return (dst & ~planes) | (_dst & planes); -} - -/* File vgaBitBlt.c */ -void -xf4bppOffBitBlt( pWin, alu, writeplanes, x0, y0, x1, y1, w, h ) -WindowPtr pWin; /* GJA */ -const int alu, writeplanes ; -register int x0 ; -int y0 ; -register int x1 ; -int y1 ; -register int w, h ; -{ - int x,y; - - switch ( alu ) { - case GXclear: /* 0x0 Zero 0 */ - case GXinvert: /* 0xa NOT dst */ - case GXset: /* 0xf 1 */ - xf4bppOffFillSolid( pWin, VGA_ALLPLANES, alu, writeplanes, - x0, y0, w, h ) ; - case GXnoop: /* 0x5 dst */ - return ; - default: - break ; - } - - if ( (w <= 0) || (h <= 0) ) return; - - for ( y = 0 ; y < h ; y++ ) { - for ( x = 0 ; x < w ; x++ ) { - DO_ROP(SAVEDSCREEN(pWin,x0+x,y0+y),SAVEDSCREEN(pWin,x1+x,y1+y), - alu,writeplanes); - } - } -} - -/* for file vgaImages.c */ - -void -xf4bppOffDrawColorImage( pWin, x, y, w, h, data, RowIncrement, alu, planes ) -WindowPtr pWin; /* GJA */ -int x, y ; -register int w, h ; -unsigned char *data ; -register int RowIncrement ; -const int alu ; -const unsigned long int planes ; -{ - int dx,dy; - - for ( dy = 0 ; dy < h ; dy++ ) { - for ( dx = 0 ; dx < w ; dx++ ) { - DO_ROP( data[dy * RowIncrement + dx], - SAVEDSCREEN(pWin,x+dx,y+dy), alu, planes); - } - } -} - -void -xf4bppOffReadColorImage( pWin, x, y, lx, ly, data, RowIncrement ) -WindowPtr pWin; /* GJA */ -int x, y ; -int lx, ly ; -unsigned char *data ; -int RowIncrement ; -{ - int dx, dy; - - if ( ( lx <= 0 ) || ( ly <= 0 ) ) - return ; - - for ( dy = 0 ; dy < ly ; dy++ ) { - for ( dx = 0 ; dx < lx ; dx++ ) { - data[dy*RowIncrement+dx] = SAVEDSCREEN(pWin,x+dx,y+dy); - } - } -} - -/* For file vgaSolid.c */ - -void xf4bppOffFillSolid( pWin, color, alu, planes, x0, y0, lx, ly ) -WindowPtr pWin; /* GJA */ -unsigned long int color ; -const int alu ; -unsigned long int planes ; -register int x0 ; -register const int y0 ; -register int lx ; -register const int ly ; /* MUST BE > 0 !! */ -{ - int dx, dy; - - if ( ( lx == 0 ) || ( ly == 0 ) ) - return; - - for ( dy = 0 ; dy < ly ; dy++ ) { - for ( dx = 0 ; dx < lx ; dx++ ) { - DO_ROP(color,SAVEDSCREEN(pWin, x0+dx,y0+dy),alu,planes); - } - } -} - -/* For file vgaStipple.c */ - -/* GJA -- modified this to take both Width and Height, and to - * reduce x and y to Width and Height by taking remainders. - */ -static unsigned char -xygetbits -( - register int x, - register int y, - register const unsigned int Width, - register const unsigned int paddedByteWidth, - register const unsigned int Height, - register const unsigned char * const data -) -{ - register unsigned char bits ; - unsigned const char *lineptr, *cptr ; - register int shift ; - register int wrap ; - - x = x % Width; - y = y % Height; - - lineptr = data + (y * paddedByteWidth); - cptr = lineptr + (x >> 3) ; - bits = *cptr ; - if ((shift = x & 7)) - bits = SCRLEFT8( bits, shift ) | - SCRRIGHT8( cptr[1], ( 8 - shift ) ) ; - if ( ( wrap = x + 8 - Width ) > 0 ) { - bits &= SCRLEFT8( 0xFF, wrap ) ; - bits |= SCRRIGHT8( *lineptr, ( 8 - wrap ) ) ; - } - - return bits ; -} - -static void -DoMono -( - WindowPtr pWin, /* GJA */ - int w, - int x, - int y, - register const unsigned char *mastersrc, - int h, - unsigned int width, - register unsigned int paddedByteWidth, - unsigned int height, - int xshift, - int yshift, - int alu, - int planes, - int fg -) -{ - int dy, dx, i; - int byte; - - for ( dy = 0 ; dy < h ; dy++ ) { - for ( dx = 0; dx <= w - 8 ; dx += 8 ) { - /* get next byte */ - byte = xygetbits(dx+xshift,dy+yshift,width, - paddedByteWidth, height, mastersrc); - for ( i = 0 ; i < 8 ; i++ ) { - if ( byte & (128 >> i) ) { - DO_ROP(fg,SAVEDSCREEN(pWin,x+dx+i,y+dy), - alu,planes); - } - } - } - /* get last bits */ - byte = xygetbits(dx+xshift,dy+yshift,width, - paddedByteWidth, height, mastersrc); - for ( i = 0 ; i < (w - dx) ; i++ ) { - if ( byte & (128 >> i) ) { - DO_ROP(fg,SAVEDSCREEN(pWin,x+dx+i,y+dy), - alu,planes); - } - } - } -} - -void -xf4bppOffFillStipple( pWin, pStipple, fg, alu, planes, x, y, w, h, xSrc, ySrc ) -WindowPtr pWin; /* GJA */ -register PixmapPtr const pStipple ; -unsigned long int fg ; -const int alu ; -unsigned long int planes ; -int x, y, w, h ; -const int xSrc, ySrc ; -{ - unsigned int width ; - unsigned int height ; - int xshift ; - int yshift ; - - if ( ( alu == GXnoop ) || !( planes &= VGA_ALLPLANES ) ) - return ; - - /* Figure Bit Offsets & Source Address */ - width = pStipple->drawable.width ; - if ( ( xshift = ( x - xSrc ) ) < 0 ) - xshift = width - ( ( - xshift ) % width ) ; - else - xshift %= width ; - - height = pStipple->drawable.height ; - if ( ( yshift = ( y - ySrc ) ) < 0 ) - yshift = height - ( ( - yshift ) % height ) ; - else - yshift %= height ; - - DoMono( pWin, w, x, y, - (const unsigned char *) pStipple->devPrivate.ptr, - h, - width, - ( ( width + 31 ) & (unsigned)(~31) ) >> 3, - height, - xshift, yshift, - alu, (int)planes, (int)fg ) ; - return ; -} |