555 lines
13 KiB
C
555 lines
13 KiB
C
/***********************************************************
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Copyright 1987,1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include "gc.h"
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#include "window.h"
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#include "pixmap.h"
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#include "region.h"
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#include "cfb.h"
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#include "cfbmskbits.h"
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/* horizontal solid line
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abs(len) > 1
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*/
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void
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cfbHorzS(rop, and, xor, addrl, nlwidth, x1, y1, len)
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register int rop;
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register CfbBits and;
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register CfbBits xor;
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register CfbBits *addrl; /* pointer to base of bitmap */
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int nlwidth; /* width in longwords of bitmap */
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int x1; /* initial point */
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int y1;
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int len; /* length of line */
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{
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register int nlmiddle;
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#if PSZ == 24
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int leftIndex, rightIndex;
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CfbBits piQxelAnd[3], piQxelXor[3];
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piQxelAnd[0] = (and & 0xFFFFFF) | ((and<<24) & 0xFF000000);
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piQxelAnd[1] = ((and>>8) & 0xFFFF)| ((and<<16) & 0xFFFF0000);
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piQxelAnd[2] = ((and<<8) & 0xFFFFFF00) | ((and>>16) & 0xFF);
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piQxelXor[0] = (xor & 0xFFFFFF) | ((xor<<24) & 0xFF000000);
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piQxelXor[1] = ((xor>>8) & 0xFFFF)| ((xor<<16) & 0xFFFF0000);
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piQxelXor[2] = ((xor<<8) & 0xFFFFFF00) | ((xor>>16) & 0xFF);
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leftIndex = x1 & 3;
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rightIndex = ((x1 + len) < 5)?0:(x1 + len)&3;
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nlmiddle = len;
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if(leftIndex){
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nlmiddle -= (4 - leftIndex);
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}
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if(rightIndex){
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nlmiddle -= rightIndex;
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}
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if (nlmiddle < 0)
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nlmiddle = 0;
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nlmiddle >>= 2;
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addrl += (y1 * nlwidth) + (x1 >> 2)*3 + (leftIndex?leftIndex-1:0);
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switch(leftIndex+len){
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case 4:
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switch(leftIndex){
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case 0:
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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break;
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case 1:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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break;
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case 2:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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break;
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case 3:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFFFFFF00);
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break;
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}
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break;
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case 3:
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switch(leftIndex){
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case 0:
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
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break;
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case 1:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
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break;
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case 2:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
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addrl++;
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
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break;
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}
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break;
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case 2:
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if(leftIndex){
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
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addrl++;
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}
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else{
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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}
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*addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF);
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break;
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case 1: /*only if leftIndex = 0 and w = 1*/
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFFFFFF);
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break;
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case 0: /*never*/
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break;
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default:
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{
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if (rop == GXcopy){
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switch(leftIndex){
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case 0:
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break;
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case 1:
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*addrl = ((*addrl) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000);
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addrl++;
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*addrl++ = piQxelXor[1];
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*addrl++ = piQxelXor[2];
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break;
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case 2:
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*addrl = ((*addrl) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000);
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addrl++;
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*addrl++ = piQxelXor[2];
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break;
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case 3:
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*addrl = ((*addrl) & 0xFF) | (piQxelXor[2] & 0xFFFFFF00);
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addrl++;
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break;
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}
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while(nlmiddle--){
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*addrl++ = piQxelXor[0];
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*addrl++ = piQxelXor[1];
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*addrl++ = piQxelXor[2];
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}
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switch(rightIndex){
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case 0:
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break;
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case 1:
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*addrl = ((*addrl) & 0xFF000000) | (piQxelXor[0] & 0xFFFFFF);
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break;
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case 2:
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*addrl++ = piQxelXor[0];
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*addrl = ((*addrl) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF);
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break;
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case 3:
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*addrl++ = piQxelXor[0];
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*addrl++ = piQxelXor[1];
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*addrl = ((*addrl) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF);
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break;
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}
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}
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else{
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if(rop == GXxor){
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switch(leftIndex){
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case 0:
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break;
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case 1:
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*addrl++ ^= (piQxelXor[0]&0xFF000000);
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*addrl++ ^= piQxelXor[1];
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*addrl++ ^= piQxelXor[2];
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break;
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case 2:
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*addrl++ ^= (piQxelXor[1]& 0xFFFF0000);
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*addrl++ ^= piQxelXor[2];
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break;
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case 3:
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*addrl++ ^= (piQxelXor[2]& 0xFFFFFF00);
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break;
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}
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while(nlmiddle--){
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*addrl++ ^= piQxelXor[0];
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*addrl++ ^= piQxelXor[1];
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*addrl++ ^= piQxelXor[2];
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}
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switch(rightIndex){
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case 0:
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break;
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case 1:
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*addrl ^= (piQxelXor[0]& 0xFFFFFF);
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break;
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case 2:
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*addrl++ ^= piQxelXor[0];
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*addrl ^= (piQxelXor[1]&0xFFFF);
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break;
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case 3:
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*addrl++ ^= piQxelXor[0];
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*addrl++ ^= piQxelXor[1];
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*addrl ^= (piQxelXor[2]&0xFF);
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break;
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}
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}
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else{
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switch(leftIndex){
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case 0:
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break;
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case 1:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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addrl++;
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break;
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case 2:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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addrl++;
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break;
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case 3:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFFFFFF00);
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addrl++;
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break;
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}
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while(nlmiddle--){
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
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addrl++;
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}
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switch(rightIndex){
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case 0:
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break;
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case 1:
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*addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFFFFFF);
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addrl++;
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break;
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case 2:
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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*addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF);
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break;
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case 3:
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*addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
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addrl++;
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*addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
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addrl++;
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*addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
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break;
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}
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}
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}
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}
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}
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#else
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register CfbBits startmask;
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register CfbBits endmask;
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addrl = addrl + (y1 * nlwidth) + (x1 >> PWSH);
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/* all bits inside same longword */
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if ( ((x1 & PIM) + len) < PPW)
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{
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maskpartialbits(x1, len, startmask);
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*addrl = DoMaskRRop (*addrl, and, xor, startmask);
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}
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else
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{
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maskbits(x1, len, startmask, endmask, nlmiddle);
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if (rop == GXcopy)
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{
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if (startmask)
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{
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*addrl = (*addrl & ~startmask) | (xor & startmask);
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addrl++;
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}
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while (nlmiddle--)
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*addrl++ = xor;
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if (endmask)
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*addrl = (*addrl & ~endmask) | (xor & endmask);
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}
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else
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{
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if (startmask)
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{
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*addrl = DoMaskRRop (*addrl, and, xor, startmask);
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addrl++;
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}
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if (rop == GXxor)
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{
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while (nlmiddle--)
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*addrl++ ^= xor;
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}
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else
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{
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while (nlmiddle--)
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{
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*addrl = DoRRop (*addrl, and, xor);
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addrl++;
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}
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}
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if (endmask)
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*addrl = DoMaskRRop (*addrl, and, xor, endmask);
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}
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}
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#endif
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}
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/* vertical solid line */
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void
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cfbVertS(rop, and, xor, addrl, nlwidth, x1, y1, len)
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int rop;
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register CfbBits and, xor;
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register CfbBits *addrl; /* pointer to base of bitmap */
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register int nlwidth; /* width in longwords of bitmap */
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int x1, y1; /* initial point */
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register int len; /* length of line */
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{
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#if PSZ == 24
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int xIdx;
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CfbBits and2 = 0, xor2 = 0, mask = 0, mask2;
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#endif
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#ifdef PIXEL_ADDR
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register PixelType *bits = (PixelType *) addrl;
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#if PSZ == 24
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nlwidth <<= PWSH;
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xIdx = x1 & 3;
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bits = (PixelType *)(addrl + (y1 * nlwidth) + ((x1*3) >> 2));
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#else
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nlwidth <<= PWSH;
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bits = bits + (y1 * nlwidth) + x1;
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#endif
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#if PSZ == 24
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mask2 = 0;
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switch(xIdx){
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case 0:
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mask = 0xFF000000;
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xor &= 0xFFFFFF;
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and |= 0xFF000000;
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break;
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case 3:
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mask = 0xFF;
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xor &= 0xFFFFFF;
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xor <<= 8;
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and <<= 8;
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and |= 0xFF;
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break;
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case 1:
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mask = 0xFFFFFF;
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mask2 = 0xFFFF0000;
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xor2 = (xor>>8) & 0xFFFF;
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xor &= 0xFF;
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xor <<= 24;
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and2 = (and >> 8 ) | 0xFFFF0000;
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and <<= 24;
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and |= 0xFFFFFF;
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break;
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case 2:
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mask = 0x0000FFFF;
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mask2 = 0xFFFFFF00;
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xor2 = (xor >> 16) & 0xFF;
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xor <<= 16;
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xor &= 0xFFFF0000;
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and2 = (and >> 16) | 0xFFFFFF00;
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and <<= 16;
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and |= 0xFFFF;
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break;
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}
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#endif
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/*
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* special case copy and xor to avoid a test per pixel
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*/
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if (rop == GXcopy)
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{
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#if PSZ == 24
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switch(xIdx){
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case 0:
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case 3:
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while (len--){
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*bits = (*bits & mask)| xor;
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bits += nlwidth;
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}
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break;
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case 1:
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case 2:
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while (len--){
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*bits = (*bits & mask)| xor;
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bits++;
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*bits = (*bits & mask2)| xor2;
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bits--;
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bits += nlwidth;
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}
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break;
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}
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#else
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while (len--)
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{
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*bits = xor;
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bits += nlwidth;
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}
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#endif
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}
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else if (rop == GXxor)
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{
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#if PSZ == 24
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switch(xIdx){
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case 0:
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case 3:
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while (len--){
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*bits ^= xor;
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bits += nlwidth;
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}
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break;
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case 1:
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case 2:
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while (len--){
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*bits ^= xor;
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bits++;
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*bits ^= xor2;
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bits--;
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bits += nlwidth;
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}
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break;
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}
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#else
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while (len--)
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{
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*bits ^= xor;
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bits += nlwidth;
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}
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#endif
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}
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else
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{
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#if PSZ == 24
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switch(xIdx){
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case 0:
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while (len--){
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*bits = DoMaskRRop(*bits, and, xor, 0x00FFFFFF);
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bits += nlwidth;
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}
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break;
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case 3:
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while (len--){
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*bits = DoMaskRRop(*bits, and, xor, 0xFFFFFF00);
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bits += nlwidth;
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}
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break;
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case 1:
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while (len--){
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*bits = DoMaskRRop(*bits, and, xor, 0xFF000000);
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bits++;
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|
*bits = DoMaskRRop(*bits, and2, xor2, 0x0000FFFF);
|
|
bits--;
|
|
bits += nlwidth;
|
|
}
|
|
break;
|
|
case 2:
|
|
while (len--){
|
|
*bits = DoMaskRRop(*bits, and, xor, 0xFFFF0000);
|
|
bits++;
|
|
*bits = DoMaskRRop(*bits, and2, xor2, 0x000000FF);
|
|
bits--;
|
|
bits += nlwidth;
|
|
}
|
|
break;
|
|
}
|
|
#else
|
|
while (len--)
|
|
{
|
|
*bits = DoRRop(*bits, and, xor);
|
|
bits += nlwidth;
|
|
}
|
|
#endif
|
|
}
|
|
#else /* !PIXEL_ADDR */
|
|
#if PSZ == 24
|
|
addrl = addrl + (y1 * nlwidth) + ((x1*3) >>2);
|
|
|
|
and |= ~cfbmask[(x1 & 3)<<1];
|
|
xor &= cfbmask[(x1 & 3)<<1];
|
|
#else
|
|
addrl = addrl + (y1 * nlwidth) + (x1 >> PWSH);
|
|
|
|
and |= ~cfbmask[x1 & PIM];
|
|
xor &= cfbmask[x1 & PIM];
|
|
#endif
|
|
|
|
while (len--)
|
|
{
|
|
*addrl = DoRRop (*addrl, and, xor);
|
|
addrl += nlwidth;
|
|
}
|
|
#endif
|
|
}
|