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-rw-r--r--xorg-server/cfb/cfbhrzvert.c554
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diff --git a/xorg-server/cfb/cfbhrzvert.c b/xorg-server/cfb/cfbhrzvert.c
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+++ b/xorg-server/cfb/cfbhrzvert.c
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+/***********************************************************
+
+Copyright 1987,1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+
+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
+
+ 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 Digital not be
+used in advertising or publicity pertaining to distribution of the
+software without specific, written prior permission.
+
+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+DIGITAL 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_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+
+#include "gc.h"
+#include "window.h"
+#include "pixmap.h"
+#include "region.h"
+
+#include "cfb.h"
+#include "cfbmskbits.h"
+
+/* horizontal solid line
+ abs(len) > 1
+*/
+void
+cfbHorzS(rop, and, xor, addrl, nlwidth, x1, y1, len)
+register int rop;
+register CfbBits and;
+register CfbBits xor;
+register CfbBits *addrl; /* pointer to base of bitmap */
+int nlwidth; /* width in longwords of bitmap */
+int x1; /* initial point */
+int y1;
+int len; /* length of line */
+{
+ register int nlmiddle;
+
+#if PSZ == 24
+
+ int leftIndex, rightIndex;
+ CfbBits piQxelAnd[3], piQxelXor[3];
+ piQxelAnd[0] = (and & 0xFFFFFF) | ((and<<24) & 0xFF000000);
+ piQxelAnd[1] = ((and>>8) & 0xFFFF)| ((and<<16) & 0xFFFF0000);
+ piQxelAnd[2] = ((and<<8) & 0xFFFFFF00) | ((and>>16) & 0xFF);
+
+ piQxelXor[0] = (xor & 0xFFFFFF) | ((xor<<24) & 0xFF000000);
+ piQxelXor[1] = ((xor>>8) & 0xFFFF)| ((xor<<16) & 0xFFFF0000);
+ piQxelXor[2] = ((xor<<8) & 0xFFFFFF00) | ((xor>>16) & 0xFF);
+
+ leftIndex = x1 & 3;
+ rightIndex = ((x1 + len) < 5)?0:(x1 + len)&3;
+ nlmiddle = len;
+ if(leftIndex){
+ nlmiddle -= (4 - leftIndex);
+ }
+ if(rightIndex){
+ nlmiddle -= rightIndex;
+ }
+ if (nlmiddle < 0)
+ nlmiddle = 0;
+
+ nlmiddle >>= 2;
+
+ addrl += (y1 * nlwidth) + (x1 >> 2)*3 + (leftIndex?leftIndex-1:0);
+
+ switch(leftIndex+len){
+ case 4:
+ switch(leftIndex){
+ case 0:
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ break;
+ case 1:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ break;
+ case 2:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ break;
+ case 3:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFFFFFF00);
+ break;
+ }
+ break;
+ case 3:
+ switch(leftIndex){
+ case 0:
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
+ break;
+ case 1:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
+ break;
+ case 2:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
+ addrl++;
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
+ break;
+ }
+ break;
+ case 2:
+ if(leftIndex){
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
+ addrl++;
+ }
+ else{
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ }
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF);
+ break;
+ case 1: /*only if leftIndex = 0 and w = 1*/
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFFFFFF);
+ break;
+ case 0: /*never*/
+ break;
+ default:
+ {
+ if (rop == GXcopy){
+ switch(leftIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl = ((*addrl) & 0xFFFFFF) | (piQxelXor[0] & 0xFF000000);
+ addrl++;
+ *addrl++ = piQxelXor[1];
+ *addrl++ = piQxelXor[2];
+ break;
+ case 2:
+ *addrl = ((*addrl) & 0xFFFF) | (piQxelXor[1] & 0xFFFF0000);
+ addrl++;
+ *addrl++ = piQxelXor[2];
+ break;
+ case 3:
+ *addrl = ((*addrl) & 0xFF) | (piQxelXor[2] & 0xFFFFFF00);
+ addrl++;
+ break;
+ }
+ while(nlmiddle--){
+ *addrl++ = piQxelXor[0];
+ *addrl++ = piQxelXor[1];
+ *addrl++ = piQxelXor[2];
+ }
+ switch(rightIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl = ((*addrl) & 0xFF000000) | (piQxelXor[0] & 0xFFFFFF);
+ break;
+ case 2:
+ *addrl++ = piQxelXor[0];
+ *addrl = ((*addrl) & 0xFFFF0000) | (piQxelXor[1] & 0xFFFF);
+ break;
+ case 3:
+ *addrl++ = piQxelXor[0];
+ *addrl++ = piQxelXor[1];
+ *addrl = ((*addrl) & 0xFFFFFF00) | (piQxelXor[2] & 0xFF);
+ break;
+ }
+ }
+ else{
+ if(rop == GXxor){
+ switch(leftIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl++ ^= (piQxelXor[0]&0xFF000000);
+ *addrl++ ^= piQxelXor[1];
+ *addrl++ ^= piQxelXor[2];
+ break;
+ case 2:
+ *addrl++ ^= (piQxelXor[1]& 0xFFFF0000);
+ *addrl++ ^= piQxelXor[2];
+ break;
+ case 3:
+ *addrl++ ^= (piQxelXor[2]& 0xFFFFFF00);
+ break;
+ }
+ while(nlmiddle--){
+ *addrl++ ^= piQxelXor[0];
+ *addrl++ ^= piQxelXor[1];
+ *addrl++ ^= piQxelXor[2];
+ }
+ switch(rightIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl ^= (piQxelXor[0]& 0xFFFFFF);
+ break;
+ case 2:
+ *addrl++ ^= piQxelXor[0];
+ *addrl ^= (piQxelXor[1]&0xFFFF);
+ break;
+ case 3:
+ *addrl++ ^= piQxelXor[0];
+ *addrl++ ^= piQxelXor[1];
+ *addrl ^= (piQxelXor[2]&0xFF);
+ break;
+ }
+ }
+ else{
+ switch(leftIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFF000000);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ addrl++;
+ break;
+ case 2:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF0000);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ addrl++;
+ break;
+ case 3:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFFFFFF00);
+ addrl++;
+ break;
+ }
+ while(nlmiddle--){
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[2], piQxelXor[2]);
+ addrl++;
+ }
+ switch(rightIndex){
+ case 0:
+ break;
+ case 1:
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[0], piQxelXor[0], 0xFFFFFF);
+ addrl++;
+ break;
+ case 2:
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[1], piQxelXor[1], 0xFFFF);
+ break;
+ case 3:
+ *addrl = DoRRop (*addrl, piQxelAnd[0], piQxelXor[0]);
+ addrl++;
+ *addrl = DoRRop (*addrl, piQxelAnd[1], piQxelXor[1]);
+ addrl++;
+ *addrl = DoMaskRRop (*addrl, piQxelAnd[2], piQxelXor[2], 0xFF);
+ break;
+ }
+
+ }
+ }
+ }
+ }
+#else
+ register CfbBits startmask;
+ register CfbBits endmask;
+
+ addrl = addrl + (y1 * nlwidth) + (x1 >> PWSH);
+
+ /* all bits inside same longword */
+ if ( ((x1 & PIM) + len) < PPW)
+ {
+ maskpartialbits(x1, len, startmask);
+ *addrl = DoMaskRRop (*addrl, and, xor, startmask);
+ }
+ else
+ {
+ maskbits(x1, len, startmask, endmask, nlmiddle);
+ if (rop == GXcopy)
+ {
+ if (startmask)
+ {
+ *addrl = (*addrl & ~startmask) | (xor & startmask);
+ addrl++;
+ }
+ while (nlmiddle--)
+ *addrl++ = xor;
+ if (endmask)
+ *addrl = (*addrl & ~endmask) | (xor & endmask);
+ }
+ else
+ {
+ if (startmask)
+ {
+ *addrl = DoMaskRRop (*addrl, and, xor, startmask);
+ addrl++;
+ }
+ if (rop == GXxor)
+ {
+ while (nlmiddle--)
+ *addrl++ ^= xor;
+ }
+ else
+ {
+ while (nlmiddle--)
+ {
+ *addrl = DoRRop (*addrl, and, xor);
+ addrl++;
+ }
+ }
+ if (endmask)
+ *addrl = DoMaskRRop (*addrl, and, xor, endmask);
+ }
+ }
+#endif
+}
+
+/* vertical solid line */
+
+void
+cfbVertS(rop, and, xor, addrl, nlwidth, x1, y1, len)
+int rop;
+register CfbBits and, xor;
+register CfbBits *addrl; /* pointer to base of bitmap */
+register int nlwidth; /* width in longwords of bitmap */
+int x1, y1; /* initial point */
+register int len; /* length of line */
+{
+#if PSZ == 24
+ int xIdx;
+ CfbBits and2 = 0, xor2 = 0, mask = 0, mask2;
+#endif
+#ifdef PIXEL_ADDR
+ register PixelType *bits = (PixelType *) addrl;
+
+#if PSZ == 24
+ nlwidth <<= PWSH;
+ xIdx = x1 & 3;
+ bits = (PixelType *)(addrl + (y1 * nlwidth) + ((x1*3) >> 2));
+#else
+ nlwidth <<= PWSH;
+ bits = bits + (y1 * nlwidth) + x1;
+#endif
+#if PSZ == 24
+ mask2 = 0;
+ switch(xIdx){
+ case 0:
+ mask = 0xFF000000;
+ xor &= 0xFFFFFF;
+ and |= 0xFF000000;
+ break;
+ case 3:
+ mask = 0xFF;
+ xor &= 0xFFFFFF;
+ xor <<= 8;
+ and <<= 8;
+ and |= 0xFF;
+ break;
+ case 1:
+ mask = 0xFFFFFF;
+ mask2 = 0xFFFF0000;
+ xor2 = (xor>>8) & 0xFFFF;
+ xor &= 0xFF;
+ xor <<= 24;
+ and2 = (and >> 8 ) | 0xFFFF0000;
+ and <<= 24;
+ and |= 0xFFFFFF;
+ break;
+ case 2:
+ mask = 0x0000FFFF;
+ mask2 = 0xFFFFFF00;
+ xor2 = (xor >> 16) & 0xFF;
+ xor <<= 16;
+ xor &= 0xFFFF0000;
+ and2 = (and >> 16) | 0xFFFFFF00;
+ and <<= 16;
+ and |= 0xFFFF;
+ break;
+ }
+#endif
+
+ /*
+ * special case copy and xor to avoid a test per pixel
+ */
+ if (rop == GXcopy)
+ {
+#if PSZ == 24
+ switch(xIdx){
+ case 0:
+ case 3:
+ while (len--){
+ *bits = (*bits & mask)| xor;
+ bits += nlwidth;
+ }
+ break;
+ case 1:
+ case 2:
+ while (len--){
+ *bits = (*bits & mask)| xor;
+ bits++;
+ *bits = (*bits & mask2)| xor2;
+ bits--;
+ bits += nlwidth;
+ }
+ break;
+ }
+#else
+ while (len--)
+ {
+ *bits = xor;
+ bits += nlwidth;
+ }
+#endif
+ }
+ else if (rop == GXxor)
+ {
+#if PSZ == 24
+ switch(xIdx){
+ case 0:
+ case 3:
+ while (len--){
+ *bits ^= xor;
+ bits += nlwidth;
+ }
+ break;
+ case 1:
+ case 2:
+ while (len--){
+ *bits ^= xor;
+ bits++;
+ *bits ^= xor2;
+ bits--;
+ bits += nlwidth;
+ }
+ break;
+ }
+#else
+ while (len--)
+ {
+ *bits ^= xor;
+ bits += nlwidth;
+ }
+#endif
+ }
+ else
+ {
+#if PSZ == 24
+ switch(xIdx){
+ case 0:
+ while (len--){
+ *bits = DoMaskRRop(*bits, and, xor, 0x00FFFFFF);
+ bits += nlwidth;
+ }
+ break;
+ case 3:
+ while (len--){
+ *bits = DoMaskRRop(*bits, and, xor, 0xFFFFFF00);
+ bits += nlwidth;
+ }
+ break;
+ case 1:
+ while (len--){
+ *bits = DoMaskRRop(*bits, and, xor, 0xFF000000);
+ bits++;
+ *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
+}
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