diff options
Diffstat (limited to 'mfb/mergerop.h')
| -rw-r--r-- | mfb/mergerop.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/mfb/mergerop.h b/mfb/mergerop.h new file mode 100644 index 000000000..b797c245a --- /dev/null +++ b/mfb/mergerop.h @@ -0,0 +1,186 @@ +/* + * $Xorg: mergerop.h,v 1.4 2001/02/09 02:05:18 xorgcvs Exp $ + * +Copyright 1989, 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. + * + * Author: Keith Packard, MIT X Consortium + */ + +#ifndef _MERGEROP_H_ +#define _MERGEROP_H_ + +#ifndef GXcopy +#include "X.h" +#endif + +typedef struct _mergeRopBits { + unsigned long ca1, cx1, ca2, cx2; +} mergeRopRec, *mergeRopPtr; + +extern mergeRopRec mergeRopBits[16]; + +#define DeclareMergeRop() unsigned long _ca1, _cx1, _ca2, _cx2; +#define DeclarePrebuiltMergeRop() unsigned long _cca, _ccx; + +#if PPW != PGSZ /* cfb */ +#define InitializeMergeRop(alu,pm) {\ + unsigned long _pm; \ + mergeRopPtr _bits; \ + _pm = PFILL(pm); \ + _bits = &mergeRopBits[alu]; \ + _ca1 = _bits->ca1 & _pm; \ + _cx1 = _bits->cx1 | ~_pm; \ + _ca2 = _bits->ca2 & _pm; \ + _cx2 = _bits->cx2 & _pm; \ +} +#else /* mfb */ +#define InitializeMergeRop(alu,pm) {\ + mergeRopPtr _bits; \ + _bits = &mergeRopBits[alu]; \ + _ca1 = _bits->ca1; \ + _cx1 = _bits->cx1; \ + _ca2 = _bits->ca2; \ + _cx2 = _bits->cx2; \ +} +#endif + +/* AND has higher precedence than XOR */ + +#define DoMergeRop(src, dst) \ + ((dst) & ((src) & _ca1 ^ _cx1) ^ ((src) & _ca2 ^ _cx2)) + +#define DoPrebuiltMergeRop(dst) ((dst) & _cca ^ _ccx) + +#define DoMaskPrebuiltMergeRop(dst,mask) \ + ((dst) & (_cca | ~(mask)) ^ (_ccx & (mask))) + +#define PrebuildMergeRop(src) ((_cca = (src) & _ca1 ^ _cx1), \ + (_ccx = (src) & _ca2 ^ _cx2)) + +#define DoMaskMergeRop(src, dst, mask) \ + ((dst) & (((src) & _ca1 ^ _cx1) | ~(mask)) ^ (((src) & _ca2 ^ _cx2) & (mask))) + +#ifndef MROP +#define MROP 0 +#endif + +#define Mclear (1<<GXclear) +#define Mand (1<<GXand) +#define MandReverse (1<<GXandReverse) +#define Mcopy (1<<GXcopy) +#define MandInverted (1<<GXandInverted) +#define Mnoop (1<<GXnoop) +#define Mxor (1<<GXxor) +#define Mor (1<<GXor) +#define Mnor (1<<GXnor) +#define Mequiv (1<<GXequiv) +#define Minvert (1<<GXinvert) +#define MorReverse (1<<GXorReverse) +#define McopyInverted (1<<GXcopyInverted) +#define MorInverted (1<<GXorInverted) +#define Mnand (1<<GXnand) +#define Mset (1<<GXset) + +#if (MROP) == Mcopy +#define MROP_DECLARE() +#define MROP_DECLARE_REG() +#define MROP_INITIALIZE(alu,pm) +#define MROP_SOLID(src,dst) (src) +#define MROP_MASK(src,dst,mask) ((dst) & ~(mask) | (src) & (mask)) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Copy) +#endif + +#if (MROP) == McopyInverted +#define MROP_DECLARE() +#define MROP_DECLARE_REG() +#define MROP_INITIALIZE(alu,pm) +#define MROP_SOLID(src,dst) (~(src)) +#define MROP_MASK(src,dst,mask) ((dst) & ~(mask) | (~(src)) & (mask)) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,CopyInverted) +#endif + +#if (MROP) == Mxor +#define MROP_DECLARE() +#define MROP_DECLARE_REG() +#define MROP_INITIALIZE(alu,pm) +#define MROP_SOLID(src,dst) ((src) ^ (dst)) +#define MROP_MASK(src,dst,mask) (((src) & (mask)) ^ (dst)) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Xor) +#endif + +#if (MROP) == Mor +#define MROP_DECLARE() +#define MROP_DECLARE_REG() +#define MROP_INITIALIZE(alu,pm) +#define MROP_SOLID(src,dst) ((src) | (dst)) +#define MROP_MASK(src,dst,mask) (((src) & (mask)) | (dst)) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,Or) +#endif + +#if (MROP) == (Mcopy|Mxor|MandReverse|Mor) +#define MROP_DECLARE() unsigned long _ca1, _cx1; +#define MROP_DECLARE_REG() register MROP_DECLARE() +#define MROP_INITIALIZE(alu,pm) { \ + mergeRopPtr _bits; \ + _bits = &mergeRopBits[alu]; \ + _ca1 = _bits->ca1; \ + _cx1 = _bits->cx1; \ +} +#define MROP_SOLID(src,dst) \ + ((dst) & ((src) & _ca1 ^ _cx1) ^ (src)) +#define MROP_MASK(src,dst,mask) \ + ((dst) & (((src) & _ca1 ^ _cx1) | ~(mask)) ^ ((src) & (mask))) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,CopyXorAndReverseOr) +#define MROP_PREBUILD(src) PrebuildMergeRop(src) +#define MROP_PREBUILT_DECLARE() DeclarePrebuiltMergeRop() +#define MROP_PREBUILT_SOLID(src,dst) DoPrebuiltMergeRop(dst) +#define MROP_PREBUILT_MASK(src,dst,mask) DoMaskPrebuiltMergeRop(dst,mask) +#endif + +#if (MROP) == 0 +#define MROP_DECLARE() DeclareMergeRop() +#define MROP_DECLARE_REG() register DeclareMergeRop() +#define MROP_INITIALIZE(alu,pm) InitializeMergeRop(alu,pm) +#define MROP_SOLID(src,dst) DoMergeRop(src,dst) +#define MROP_MASK(src,dst,mask) DoMaskMergeRop(src, dst, mask) +#define MROP_NAME(prefix) MROP_NAME_CAT(prefix,General) +#define MROP_PREBUILD(src) PrebuildMergeRop(src) +#define MROP_PREBUILT_DECLARE() DeclarePrebuiltMergeRop() +#define MROP_PREBUILT_SOLID(src,dst) DoPrebuiltMergeRop(dst) +#define MROP_PREBUILT_MASK(src,dst,mask) DoMaskPrebuiltMergeRop(dst,mask) +#endif + +#ifndef MROP_PREBUILD +#define MROP_PREBUILD(src) +#define MROP_PREBUILT_DECLARE() +#define MROP_PREBUILT_SOLID(src,dst) MROP_SOLID(src,dst) +#define MROP_PREBUILT_MASK(src,dst,mask) MROP_MASK(src,dst,mask) +#endif + +#if (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP) +#define MROP_NAME_CAT(prefix,suffix) prefix##suffix +#else +#define MROP_NAME_CAT(prefix,suffix) prefix/**/suffix +#endif + +#endif |