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- /*
- * $XConsortium: cfbrrop.h,v 1.6 91/04/10 11:42:06 keith Exp $
- *
- * Copyright 1989 Massachusetts Institute of Technology
- *
- * 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, and that the name of M.I.T. not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. M.I.T. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
- * 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.
- *
- * Author: Keith Packard, MIT X Consortium
- */
-
- #ifndef GXcopy
- #include "X.h"
- #endif
-
- #define RROP_FETCH_GC(gc) \
- RROP_FETCH_GCPRIV(((cfbPrivGCPtr)(gc)->devPrivates[cfbGCPrivateIndex].ptr))
-
- #ifndef RROP
- #define RROP GXset
- #endif
-
- #if RROP == GXcopy
- #define RROP_DECLARE register unsigned long rrop_xor;
- #define RROP_FETCH_GCPRIV(devPriv) rrop_xor = (devPriv)->xor;
- #define RROP_SOLID(dst) (*(dst) = (rrop_xor))
- #define RROP_SOLID_MASK(dst,mask) (*(dst) = (*(dst) & ~(mask)) | ((rrop_xor) & (mask)))
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,Copy)
- #endif
-
- #if RROP == GXxor
- #define RROP_DECLARE register unsigned long rrop_xor;
- #define RROP_FETCH_GCPRIV(devPriv) rrop_xor = (devPriv)->xor;
- #define RROP_SOLID(dst) (*(dst) ^= (rrop_xor))
- #define RROP_SOLID_MASK(dst,mask) (*(dst) ^= ((rrop_xor) & (mask)))
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,Xor)
- #endif
-
- #if RROP == GXand
- #define RROP_DECLARE register unsigned long rrop_and;
- #define RROP_FETCH_GCPRIV(devPriv) rrop_and = (devPriv)->and;
- #define RROP_SOLID(dst) (*(dst) &= (rrop_and))
- #define RROP_SOLID_MASK(dst,mask) (*(dst) &= ((rrop_and) | ~(mask)))
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,And)
- #endif
-
- #if RROP == GXor
- #define RROP_DECLARE register unsigned long rrop_or;
- #define RROP_FETCH_GCPRIV(devPriv) rrop_or = (devPriv)->xor;
- #define RROP_SOLID(dst) (*(dst) |= (rrop_or))
- #define RROP_SOLID_MASK(dst,mask) (*(dst) |= ((rrop_or) & (mask)))
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,Or)
- #endif
-
- #if RROP == GXnoop
- #define RROP_DECLARE
- #define RROP_FETCH_GCPRIV(devPriv)
- #define RROP_SOLID(dst)
- #define RROP_SOLID_MASK(dst,mask)
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,Noop)
- #endif
-
- #if RROP == GXset
- #define RROP_DECLARE register unsigned long rrop_and, rrop_xor;
- #define RROP_FETCH_GCPRIV(devPriv) rrop_and = (devPriv)->and; \
- rrop_xor = (devPriv)->xor;
- #define RROP_SOLID(dst) (*(dst) = DoRRop (*(dst), rrop_and, rrop_xor))
- #define RROP_SOLID_MASK(dst,mask) (*(dst) = DoMaskRRop (*(dst), rrop_and, rrop_xor, (mask)))
- #define RROP_NAME(prefix) RROP_NAME_CAT(prefix,General)
- #endif
-
- #define RROP_UNROLL_CASE1(p,i) case (i): RROP_SOLID((p) - (i));
- #define RROP_UNROLL_CASE2(p,i) RROP_UNROLL_CASE1(p,(i)+1) RROP_UNROLL_CASE1(p,i)
- #define RROP_UNROLL_CASE4(p,i) RROP_UNROLL_CASE2(p,(i)+2) RROP_UNROLL_CASE2(p,i)
- #define RROP_UNROLL_CASE8(p,i) RROP_UNROLL_CASE4(p,(i)+4) RROP_UNROLL_CASE4(p,i)
- #define RROP_UNROLL_CASE16(p,i) RROP_UNROLL_CASE8(p,(i)+8) RROP_UNROLL_CASE8(p,i)
- #define RROP_UNROLL_CASE3(p) RROP_UNROLL_CASE2(p,2) RROP_UNROLL_CASE1(p,1)
- #define RROP_UNROLL_CASE7(p) RROP_UNROLL_CASE4(p,4) RROP_UNROLL_CASE3(p)
- #define RROP_UNROLL_CASE15(p) RROP_UNROLL_CASE8(p,8) RROP_UNROLL_CASE7(p)
- #define RROP_UNROLL_CASE31(p) RROP_UNROLL_CASE16(p,16) RROP_UNROLL_CASE15(p)
-
- #define RROP_UNROLL_LOOP1(p,i) RROP_SOLID((p) + (i));
- #define RROP_UNROLL_LOOP2(p,i) RROP_UNROLL_LOOP1(p,(i)) RROP_UNROLL_LOOP1(p,(i)+1)
- #define RROP_UNROLL_LOOP4(p,i) RROP_UNROLL_LOOP2(p,(i)) RROP_UNROLL_LOOP2(p,(i)+2)
- #define RROP_UNROLL_LOOP8(p,i) RROP_UNROLL_LOOP4(p,(i)) RROP_UNROLL_LOOP4(p,(i)+4)
- #define RROP_UNROLL_LOOP16(p,i) RROP_UNROLL_LOOP8(p,(i)) RROP_UNROLL_LOOP8(p,(i)+8)
- #define RROP_UNROLL_LOOP32(p,i) RROP_UNROLL_LOOP16(p,(i)) RROP_UNROLL_LOOP16(p,(i)+16)
-
- #if defined (FAST_CONSTANT_OFFSET_MODE) && defined (SHARED_IDCACHE) && (RROP == GXcopy)
-
- #define RROP_UNROLL_SHIFT 5
- #define RROP_UNROLL (1<<RROP_UNROLL_SHIFT)
- #define RROP_UNROLL_MASK (RROP_UNROLL-1)
- #define RROP_UNROLL_CASE(p) RROP_UNROLL_CASE31(p)
- #define RROP_UNROLL_LOOP(p) RROP_UNROLL_LOOP32(p,-32)
-
- #define RROP_SPAN(pdst,nmiddle) {\
- int part = (nmiddle) & RROP_UNROLL_MASK; \
- (nmiddle) >>= RROP_UNROLL_SHIFT; \
- (pdst) += part * (sizeof (unsigned long) / sizeof (*pdst)); \
- switch (part) {\
- RROP_UNROLL_CASE((unsigned long *) (pdst)) \
- } \
- while (--(nmiddle) >= 0) { \
- (pdst) += RROP_UNROLL * (sizeof (unsigned long) / sizeof (*pdst)); \
- RROP_UNROLL_LOOP((unsigned long *) (pdst)) \
- } \
- }
- #else
- #define RROP_SPAN(pdst,nmiddle) \
- while (--(nmiddle) >= 0) { \
- RROP_SOLID((unsigned long *) (pdst)); \
- (pdst) += sizeof (unsigned long) / sizeof (*pdst); \
- }
- #endif
-
- #if __STDC__ && !defined(UNIXCPP)
- #define RROP_NAME_CAT(prefix,suffix) prefix##suffix
- #else
- #define RROP_NAME_CAT(prefix,suffix) prefix/**/suffix
- #endif
-