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+/*
+ * $Xorg: cfbrrop.h,v 1.4 2001/02/09 02:04:38 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 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 /* GXcopy */
+
+#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 /* GXxor */
+
+#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 /* GXand */
+
+#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 /* GXor */
+
+#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 /* GXnoop */
+
+#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 /* GXset */
+
+#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)
+#ifdef LONG64
+#define RROP_UNROLL_CASE63(p) RROP_UNROLL_CASE32(p,32) RROP_UNROLL_CASE31(p)
+#endif /* LONG64 */
+
+#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)
+#ifdef LONG64
+#define RROP_UNROLL_LOOP64(p,i) RROP_UNROLL_LOOP32(p,(i)) RROP_UNROLL_LOOP32(p,(i)+32)
+#endif /* LONG64 */
+
+#if defined (FAST_CONSTANT_OFFSET_MODE) && defined (SHARED_IDCACHE) && (RROP == GXcopy)
+
+#ifdef LONG64
+#define RROP_UNROLL_SHIFT 6
+#define RROP_UNROLL_CASE(p) RROP_UNROLL_CASE63(p)
+#define RROP_UNROLL_LOOP(p) RROP_UNROLL_LOOP64(p,-64)
+#else /* not LONG64 */
+#define RROP_UNROLL_SHIFT 5
+#define RROP_UNROLL_CASE(p) RROP_UNROLL_CASE31(p)
+#define RROP_UNROLL_LOOP(p) RROP_UNROLL_LOOP32(p,-32)
+#endif /* LONG64 */
+#define RROP_UNROLL (1<<RROP_UNROLL_SHIFT)
+#define RROP_UNROLL_MASK (RROP_UNROLL-1)
+
+#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 (defined(__STDC__) && !defined(UNIXCPP)) || defined(ANSICPP)
+#define RROP_NAME_CAT(prefix,suffix) prefix##suffix
+#else
+#define RROP_NAME_CAT(prefix,suffix) prefix/**/suffix
+#endif