2 * $XConsortium: mergerop.h,v 1.11 95/06/08 23:20:39 gildea Exp $
3 * $XFree86: xc/programs/Xserver/mfb/mergerop.h,v 3.1 1996/06/29 09:10:20 dawes Exp $
5 Copyright (c) 1989 X Consortium
7 Permission is hereby granted, free of charge, to any person obtaining a copy
8 of this software and associated documentation files (the "Software"), to deal
9 in the Software without restriction, including without limitation the rights
10 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 copies of the Software, and to permit persons to whom the Software is
12 furnished to do so, subject to the following conditions:
14 The above copyright notice and this permission notice shall be included in
15 all copies or substantial portions of the Software.
17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
21 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 Except as contained in this notice, the name of the X Consortium shall not be
25 used in advertising or otherwise to promote the sale, use or other dealings
26 in this Software without prior written authorization from the X Consortium.
28 * Author: Keith Packard, MIT X Consortium
38 typedef struct _mergeRopBits {
39 unsigned long ca1, cx1, ca2, cx2;
40 } mergeRopRec, *mergeRopPtr;
42 extern mergeRopRec mergeRopBits[16];
44 #if PPW != PGSZ /* cfb */
45 #define DeclareMergeRop() unsigned long _ca1, _cx1, _ca2, _cx2;
46 #define DeclarePrebuiltMergeRop() unsigned long _cca, _ccx;
48 #define DeclareMergeRop() unsigned long _ca1, _cx1, _ca2, _cx2;
49 #define DeclarePrebuiltMergeRop() unsigned long _cca, _ccx;
52 #if PPW != PGSZ /* cfb */
53 #define InitializeMergeRop(alu,pm) {\
57 _bits = &mergeRopBits[alu]; \
58 _ca1 = _bits->ca1 & _pm; \
59 _cx1 = _bits->cx1 | ~_pm; \
60 _ca2 = _bits->ca2 & _pm; \
61 _cx2 = _bits->cx2 & _pm; \
64 #define InitializeMergeRop(alu,pm) {\
66 _bits = &mergeRopBits[alu]; \
74 /* AND has higher precedence than XOR */
76 #define DoMergeRop(src, dst) \
77 ((dst) & ((src) & _ca1 ^ _cx1) ^ ((src) & _ca2 ^ _cx2))
79 #define DoMergeRop24(src,dst,index) {\
80 register int idx = ((index) & 3)<< 1; \
81 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) & \
82 ((((src) & _ca1 ^ _cx1)<<cfb24Shift[idx])&cfbmask[idx]) ^ \
83 ((((src) & _ca2 ^ _cx2)<<cfb24Shift[idx])&cfbmask[idx]))); \
86 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) & \
87 ((((src) & _ca1 ^ _cx1)>>cfb24Shift[idx])&cfbmask[idx]) ^ \
88 ((((src) & _ca2 ^ _cx2)>>cfb24Shift[idx])&cfbmask[idx]))); \
92 #define DoPrebuiltMergeRop(dst) ((dst) & _cca ^ _ccx)
94 #define DoPrebuiltMergeRop24(dst,index) { \
95 register int idx = ((index) & 3)<< 1; \
96 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) &\
97 (( _cca <<cfb24Shift[idx])&cfbmask[idx]) ^ \
98 (( _ccx <<cfb24Shift[idx])&cfbmask[idx]))); \
101 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) &\
102 (( _cca >>cfb24Shift[idx])&cfbmask[idx]) ^ \
103 (( _ccx >>cfb24Shift[idx])&cfbmask[idx]))); \
107 #define DoMaskPrebuiltMergeRop(dst,mask) \
108 ((dst) & (_cca | ~(mask)) ^ (_ccx & (mask)))
110 #define PrebuildMergeRop(src) ((_cca = (src) & _ca1 ^ _cx1), \
111 (_ccx = (src) & _ca2 ^ _cx2))
113 #define DoMaskMergeRop(src, dst, mask) \
114 ((dst) & (((src) & _ca1 ^ _cx1) | ~(mask)) ^ (((src) & _ca2 ^ _cx2) & (mask)))
116 #define DoMaskMergeRop24(src, dst, mask, index) {\
117 register int idx = ((index) & 3)<< 1; \
118 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) & \
119 ((((((src) & _ca1 ^ _cx1) |(~mask))<<cfb24Shift[idx])&cfbmask[idx]) ^ \
120 (((((src) & _ca2 ^ _cx2)&(mask))<<cfb24Shift[idx])&cfbmask[idx])))); \
123 *(dst) = (((*(dst)) & cfbrmask[idx]) | (((*(dst)) & cfbmask[idx]) & \
124 ((((((src) & _ca1 ^ _cx1) |(~mask))>>cfb24Shift[idx])&cfbmask[idx]) ^ \
125 (((((src) & _ca2 ^ _cx2)&(mask))>>cfb24Shift[idx])&cfbmask[idx])))); \
133 #define Mclear (1<<GXclear)
134 #define Mand (1<<GXand)
135 #define MandReverse (1<<GXandReverse)
136 #define Mcopy (1<<GXcopy)
137 #define MandInverted (1<<GXandInverted)
138 #define Mnoop (1<<GXnoop)
139 #define Mxor (1<<GXxor)
140 #define Mor (1<<GXor)
141 #define Mnor (1<<GXnor)
142 #define Mequiv (1<<GXequiv)
143 #define Minvert (1<<GXinvert)
144 #define MorReverse (1<<GXorReverse)
145 #define McopyInverted (1<<GXcopyInverted)
146 #define MorInverted (1<<GXorInverted)
147 #define Mnand (1<<GXnand)
148 #define Mset (1<<GXset)
150 #define MROP_PIXEL24(pix, idx) \
151 (((*(pix) & cfbmask[(idx)<<1]) >> cfb24Shift[(idx)<<1])| \
152 ((*((pix)+1) & cfbmask[((idx)<<1)+1]) << cfb24Shift[((idx)<<1)+1]))
154 #define MROP_SOLID24P(src,dst,sindex, index) \
155 MROP_SOLID24(MROP_PIXEL24(src,sindex),dst,index)
156 #define MROP_MASK24P(src,dst,mask,sindex,index) \
157 MROP_MASK24(MROP_PIXEL24(src,sindex),dst,mask,index)
160 #define MROP_DECLARE()
161 #define MROP_DECLARE_REG()
162 #define MROP_INITIALIZE(alu,pm)
163 #define MROP_SOLID(src,dst) (src)
164 #define MROP_SOLID24(src,dst,index) {\
165 register int idx = ((index) & 3)<< 1; \
166 *(dst) = (*(dst) & cfbrmask[idx])|(((src)<<cfb24Shift[idx])&cfbmask[idx]); \
168 *((dst)+1) = (*((dst)+1) & cfbrmask[idx])|(((src)>>cfb24Shift[idx])&cfbmask[idx]); \
170 #define MROP_MASK(src,dst,mask) ((dst) & ~(mask) | (src) & (mask))
171 #define MROP_MASK24(src,dst,mask,index) {\
172 register int idx = ((index) & 3)<< 1; \
173 *(dst) = (*(dst) & cfbrmask[idx] &(~(((mask)<< cfb24Shift[idx])&cfbmask[idx])) | \
174 ((((src)&(mask))<<cfb24Shift[idx])&cfbmask[idx])); \
176 *((dst)+1) = (*((dst)+1) & cfbrmask[idx] &(~(((mask)>>cfb24Shift[idx])&cfbmask[idx])) | \
177 ((((src)&(mask))>>cfb24Shift[idx])&cfbmask[idx])); \
179 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Copy)
182 #if (MROP) == McopyInverted
183 #define MROP_DECLARE()
184 #define MROP_DECLARE_REG()
185 #define MROP_INITIALIZE(alu,pm)
186 #define MROP_SOLID(src,dst) (~(src))
187 #define MROP_SOLID24(src,dst,index) {\
188 register int idx = ((index) & 3)<< 1; \
189 *(dst) = (*(dst) & cfbrmask[idx])|(((~(src))<<cfb24Shift[idx])&cfbmask[idx]); \
192 *(dst) = (*(dst) & cfbrmask[idx])|(((~(src))>>cfb24Shift[idx])&cfbmask[idx]); \
195 #define MROP_MASK(src,dst,mask) ((dst) & ~(mask) | (~(src)) & (mask))
196 #define MROP_MASK24(src,dst,mask,index) {\
197 register int idx = ((index) & 3)<< 1; \
198 *(dst) = (*(dst) & cfbrmask[idx] &(~(((mask)<< cfb24Shift[idx])&cfbmask[idx])) | \
199 ((((~(src))&(mask))<<cfb24Shift[idx])&cfbmask[idx])); \
202 *(dst) = (*(dst) & cfbrmask[idx] &(~(((mask)>>cfb24Shift[idx])&cfbmask[idx])) | \
203 ((((~(src))&(mask))>>cfb24Shift[idx])&cfbmask[idx])); \
206 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,CopyInverted)
210 #define MROP_DECLARE()
211 #define MROP_DECLARE_REG()
212 #define MROP_INITIALIZE(alu,pm)
213 #define MROP_SOLID(src,dst) ((src) ^ (dst))
214 #define MROP_SOLID24(src,dst,index) {\
215 register int idx = ((index) & 3)<< 1; \
216 *(dst) ^= (((src)<<cfb24Shift[idx])&cfbmask[idx]); \
219 *(dst) ^= (((src)>>cfb24Shift[idx])&cfbmask[idx]); \
222 #define MROP_MASK(src,dst,mask) (((src) & (mask)) ^ (dst))
223 #define MROP_MASK24(src,dst,mask,index) {\
224 register int idx = ((index) & 3)<< 1; \
225 *(dst) ^= ((((src)&(mask))<<cfb24Shift[idx])&cfbmask[idx]); \
228 *(dst) ^= ((((src)&(mask))>>cfb24Shift[idx])&cfbmask[idx]); \
231 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Xor)
235 #define MROP_DECLARE()
236 #define MROP_DECLARE_REG()
237 #define MROP_INITIALIZE(alu,pm)
238 #define MROP_SOLID(src,dst) ((src) | (dst))
239 #define MROP_SOLID24(src,dst,index) {\
240 register int idx = ((index) & 3)<< 1; \
241 *(dst) |= (((src)<<cfb24Shift[idx])&cfbmask[idx]); \
244 *(dst) |= (((src)>>cfb24Shift[idx])&cfbmask[idx]); \
247 #define MROP_MASK(src,dst,mask) (((src) & (mask)) | (dst))
248 #define MROP_MASK24(src,dst,mask,index) {\
249 register int idx = ((index) & 3)<< 1; \
250 *(dst) |= ((((src)&(mask))<<cfb24Shift[idx])&cfbmask[idx]); \
253 *(dst) |= ((((src)&(mask))>>cfb24Shift[idx])&cfbmask[idx]); \
256 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Or)
259 #if (MROP) == (Mcopy|Mxor|MandReverse|Mor)
260 #define MROP_DECLARE() unsigned long _ca1, _cx1;
261 #define MROP_DECLARE_REG() register MROP_DECLARE()
262 #define MROP_INITIALIZE(alu,pm) { \
264 _bits = &mergeRopBits[alu]; \
268 #define MROP_SOLID(src,dst) \
269 ((dst) & ((src) & _ca1 ^ _cx1) ^ (src))
270 #define MROP_MASK(src,dst,mask) \
271 ((dst) & (((src) & _ca1 ^ _cx1) | ~(mask)) ^ ((src) & (mask)))
272 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,CopyXorAndReverseOr)
273 #define MROP_PREBUILD(src) PrebuildMergeRop(src)
274 #define MROP_PREBUILT_DECLARE() DeclarePrebuiltMergeRop()
275 #define MROP_PREBUILT_SOLID(src,dst) DoPrebuiltMergeRop(dst)
276 #define MROP_PREBUILT_SOLID24(src,dst,index) DoPrebuiltMergeRop24(dst,index)
277 #define MROP_PREBUILT_MASK(src,dst,mask) DoMaskPrebuiltMergeRop(dst,mask)
278 #define MROP_PREBUILT_MASK24(src,dst,mask,index) DoMaskPrebuiltMergeRop24(dst,mask,index)
282 #define MROP_DECLARE() DeclareMergeRop()
283 #define MROP_DECLARE_REG() register DeclareMergeRop()
284 #define MROP_INITIALIZE(alu,pm) InitializeMergeRop(alu,pm)
285 #define MROP_SOLID(src,dst) DoMergeRop(src,dst)
286 #define MROP_SOLID24(src,dst,index) DoMergeRop24(src,dst,index)
287 #define MROP_MASK(src,dst,mask) DoMaskMergeRop(src, dst, mask)
288 #define MROP_MASK24(src,dst,mask,index) DoMaskMergeRop24(src, dst, mask,index)
289 #define MROP_NAME(prefix) MROP_NAME_CAT(prefix,General)
290 #define MROP_PREBUILD(src) PrebuildMergeRop(src)
291 #define MROP_PREBUILT_DECLARE() DeclarePrebuiltMergeRop()
292 #define MROP_PREBUILT_SOLID(src,dst) DoPrebuiltMergeRop(dst)
293 #define MROP_PREBUILT_SOLID24(src,dst,index) DoPrebuiltMergeRop24(dst,index)
294 #define MROP_PREBUILT_MASK(src,dst,mask) DoMaskPrebuiltMergeRop(dst,mask)
295 #define MROP_PREBUILT_MASK24(src,dst,mask,index) \
296 DoMaskPrebuiltMergeRop24(dst,mask,index)
299 #ifndef MROP_PREBUILD
300 #define MROP_PREBUILD(src)
301 #define MROP_PREBUILT_DECLARE()
302 #define MROP_PREBUILT_SOLID(src,dst) MROP_SOLID(src,dst)
303 #define MROP_PREBUILT_SOLID24(src,dst,index) MROP_SOLID24(src,dst,index)
304 #define MROP_PREBUILT_MASK(src,dst,mask) MROP_MASK(src,dst,mask)
305 #define MROP_PREBUILT_MASK24(src,dst,mask,index) MROP_MASK24(src,dst,mask,index)
308 #if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
309 #define MROP_NAME_CAT(prefix,suffix) prefix##suffix
311 #define MROP_NAME_CAT(prefix,suffix) prefix/**/suffix