]> git.sesse.net Git - rdpsrv/blobdiff - Xserver/programs/Xserver/cfb/cfb8bit.h
Import X server from vnc-3.3.7.
[rdpsrv] / Xserver / programs / Xserver / cfb / cfb8bit.h
diff --git a/Xserver/programs/Xserver/cfb/cfb8bit.h b/Xserver/programs/Xserver/cfb/cfb8bit.h
new file mode 100644 (file)
index 0000000..90686b2
--- /dev/null
@@ -0,0 +1,1577 @@
+/*
+ * cfb8bit.h
+ *
+ * Defines which are only useful to 8 bit color frame buffers
+ *
+ * That doesn't seem to be true any more.  Some of the macros in here 
+ * are used for depths other than 8.  Perhaps the file should be
+ * renamed.  dpw
+ */
+
+/*
+
+Copyright (c) 1989  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+*/
+
+/* $XConsortium: cfb8bit.h,v 1.18 95/04/07 18:59:27 kaleb Exp $ */
+/* $XFree86: xc/programs/Xserver/cfb/cfb8bit.h,v 3.2 1996/06/29 09:05:22 dawes Exp $ */
+
+#include "servermd.h"
+
+#if (BITMAP_BIT_ORDER == MSBFirst)
+#define GetBitGroup(x)         (((PixelGroup) (x)) >> (PGSZ - PGSZB))
+#define NextBitGroup(x)                ((x) <<= PGSZB)
+#define NextSomeBits(x,n)      ((x) <<= (n))
+#else
+#define GetBitGroup(x)         ((x) & PGSZBMSK)
+#define NextBitGroup(x)                ((x) >>= PGSZB)
+#define NextSomeBits(x,n)      ((x) >>= (n))
+#endif
+
+#define RotBitsLeft(x,k)    ((x) = BitLeft (x,k) | \
+                                  BitRight (x, PGSZ-(k)))
+
+#if defined(__GNUC__) && defined(mc68020)
+#undef RotBitsLeft
+#define RotBitsLeft(x,k)       asm("rol%.l %2,%0" \
+                               : "=d" (x) \
+                               : "0" (x), "dI" (k))
+#endif
+
+#if PSZ == 8
+
+#define GetPixelGroup(x)               (cfb8StippleXor[GetBitGroup(x)])
+#define RRopPixels(dst,x)      (DoRRop(dst,cfb8StippleAnd[x], cfb8StippleXor[x]))
+#define RRopPixelGroup(dst,x)  (RRopPixels(dst,GetBitGroup(x)))
+#define MaskRRopPixels(dst,x,mask)  (DoMaskRRop(dst,cfb8StippleAnd[x], cfb8StippleXor[x], mask))
+
+#define NUM_MASKS      (1<<PPW) /* XXX goes in cfbmskbits.h? */
+extern int             cfb8StippleMode, cfb8StippleAlu;
+extern PixelGroup      cfb8StippleFg, cfb8StippleBg, cfb8StipplePm;
+extern PixelGroup      cfb8StippleMasks[NUM_MASKS];
+extern PixelGroup      cfb8StippleAnd[NUM_MASKS], cfb8StippleXor[NUM_MASKS];
+extern int             cfb8StippleRRop;
+
+#define cfb8PixelMasks cfb8StippleMasks
+#define cfb8Pixels     cfb8StippleXor
+
+#define cfb8CheckPixels(fg, bg) \
+    (FillOpaqueStippled == cfb8StippleMode && \
+     GXcopy == cfb8StippleAlu && \
+     ((fg) & PMSK) == cfb8StippleFg && \
+     ((bg) & PMSK) == cfb8StippleBg && \
+     PMSK == cfb8StipplePm)
+
+#define cfb8CheckOpaqueStipple(alu,fg,bg,pm) \
+    ((FillOpaqueStippled == cfb8StippleMode && \
+      (alu) == cfb8StippleAlu && \
+      ((fg) & PMSK) == cfb8StippleFg && \
+      ((bg) & PMSK) == cfb8StippleBg && \
+      ((pm) & PMSK) == cfb8StipplePm) ? 0 : cfb8SetOpaqueStipple(alu,fg,bg,pm))
+
+#define cfb8CheckStipple(alu,fg,pm) \
+    ((FillStippled == cfb8StippleMode && \
+      (alu) == cfb8StippleAlu && \
+      ((fg) & PMSK) == cfb8StippleFg && \
+      ((pm) & PMSK) == cfb8StipplePm) ? 0 : cfb8SetStipple(alu,fg,pm))
+
+#define cfb8SetPixels(fg,bg) cfb8SetOpaqueStipple(GXcopy,fg,bg,PMSK)
+
+/*
+ * These macros are shared between the unnatural spans code
+ * and the unnatural rectangle code.  No reasonable person
+ * would attempt to use them anyplace else.
+ */
+
+#define NextUnnaturalStippleWord \
+       if (bitsLeft >= MFB_PPW) \
+       { \
+           inputBits = *srcTemp++; \
+           bitsLeft -= MFB_PPW; \
+           partBitsLeft = MFB_PPW; \
+       } \
+       else \
+       { \
+           inputBits = 0; \
+           if (bitsLeft) \
+               inputBits = *srcTemp & ~cfb8BitLenMasks[bitsLeft]; \
+           srcTemp = srcStart; \
+           partBitsLeft = bitsLeft; \
+           bitsLeft = bitsWhole; \
+       }
+
+#define NextUnnaturalStippleBits \
+    if (partBitsLeft >= PPW) { \
+       bits = GetBitGroup (inputBits); \
+       NextBitGroup (inputBits); \
+       partBitsLeft -= PPW; \
+    } else { \
+       bits = GetBitGroup (inputBits); \
+       nextPartBits = PPW - partBitsLeft; \
+       NextUnnaturalStippleWord \
+       if (partBitsLeft < nextPartBits) { \
+           if (partBitsLeft) {\
+               bits |= BitRight (GetBitGroup (inputBits), \
+                                 PPW - nextPartBits) & PPWMSK;\
+               nextPartBits -= partBitsLeft; \
+           } \
+           NextUnnaturalStippleWord \
+       } \
+       bits |= BitRight (GetBitGroup (inputBits), \
+                         PPW - nextPartBits) & PPWMSK; \
+       NextSomeBits (inputBits, nextPartBits); \
+       partBitsLeft -= nextPartBits; \
+    }
+
+#define NextUnnaturalStippleBitsFast \
+    if (partBitsLeft >= PPW) { \
+       bits = GetBitGroup(inputBits); \
+       NextBitGroup(inputBits); \
+       partBitsLeft -= PPW; \
+    } else { \
+       bits = GetBitGroup (inputBits); \
+       nextPartBits = PPW - partBitsLeft; \
+       inputBits = *srcTemp++; \
+       bits |= BitRight (GetBitGroup (inputBits), \
+                         partBitsLeft) & PPWMSK; \
+       NextSomeBits (inputBits, nextPartBits); \
+       partBitsLeft =  MFB_PPW - nextPartBits; \
+    }
+
+/*
+ * WriteBitGroup takes the destination address, a pixel
+ * value (which must be 8 bits duplicated 4 time with PFILL)
+ * and the PPW bits to write, which must be in the low order
+ * bits of the register (probably from GetBitGroup) and writes
+ * the appropriate locations in memory with the pixel value.  This
+ * is a copy-mode only operation.
+ */
+
+#define RRopBitGroup(dst,bits)                                 \
+    {                                                          \
+    register PixelGroup    _bitsTmp = (bits);                  \
+    *(dst) = RRopPixels(*(dst),bits);                          \
+    }
+
+#define MaskRRopBitGroup(dst,bits,mask)                                \
+    {                                                          \
+    register PixelGroup   _bitsTmp = (bits);                   \
+    *(dst) = MaskRRopPixels(*(dst),bits,mask);                 \
+    }
+#endif /* PSZ == 8 */
+
+#if !defined(AVOID_MEMORY_READ) && PSZ == 8
+
+#define WriteBitGroup(dst,pixel,bits)                          \
+    {                                                          \
+    register PixelGroup _maskTmp = cfb8PixelMasks[(bits)];   \
+    *(dst) = (*(dst) & ~_maskTmp) | ((pixel) & _maskTmp);      \
+    }
+
+#define SwitchBitGroup(dst,pixel,bits)                         \
+    {                                                          \
+    register PixelGroup _maskTmp = cfb8PixelMasks[(bits)];   \
+    register PixelGroup _pixTmp = ((pixel) & _maskTmp);        \
+    _maskTmp = ~_maskTmp;                                      \
+    SwitchBitsLoop (*(dst) = (*(dst) & _maskTmp) | _pixTmp;)   \
+    }
+    
+#else /* AVOID_MEMORY_READ */
+
+#if PGSZ == 32
+#if (BITMAP_BIT_ORDER == MSBFirst)
+#define SinglePixel0   3
+#define SinglePixel1   2
+#define SinglePixel2   1
+#define SinglePixel3   0
+#define SinglePixel4   7
+#define SinglePixel5   6
+#define SinglePixel6   5
+#define SinglePixel7   4
+#define SinglePixel8   0xB
+#define SinglePixel9   0xA
+#define DoublePixel0   1
+#define DoublePixel1   0
+#define DoublePixel2   3
+#define DoublePixel3   2
+#define DoublePixel4   5
+#define DoublePixel5   4
+#else
+#define SinglePixel0   0
+#define SinglePixel1   1
+#define SinglePixel2   2
+#define SinglePixel3   3
+#define SinglePixel4   4
+#define SinglePixel5   5
+#define SinglePixel6   6
+#define SinglePixel7   7
+#define SinglePixel8   8
+#define SinglePixel9   9
+#define DoublePixel0   0
+#define DoublePixel1   1
+#define DoublePixel2   2
+#define DoublePixel3   3
+#define DoublePixel4   4
+#define DoublePixel5   5
+#endif
+#define QuadPixel0     0
+#define QuadPixel1     1
+#define QuadPixel2     2
+#else /* PGSZ == 64 */
+#if (BITMAP_BIT_ORDER == MSBFirst)
+#define SinglePixel0   7
+#define SinglePixel1   6
+#define SinglePixel2   5
+#define SinglePixel3   4
+#define SinglePixel4   3
+#define SinglePixel5   2
+#define SinglePixel6   1
+#define SinglePixel7   0
+#define DoublePixel0   3
+#define DoublePixel1   2
+#define DoublePixel2   1
+#define DoublePixel3   0
+#define QuadPixel0     1
+#define QuadPixel1     0
+#else
+#define SinglePixel0   0
+#define SinglePixel1   1
+#define SinglePixel2   2
+#define SinglePixel3   3
+#define SinglePixel4   4
+#define SinglePixel5   5
+#define SinglePixel6   6
+#define SinglePixel7   7
+#define DoublePixel0   0
+#define DoublePixel1   1
+#define DoublePixel2   2
+#define DoublePixel3   3
+#define QuadPixel0     0
+#define QuadPixel1     1
+#endif
+#define OctaPixel0     0
+#endif /* PGSZ == 64 */
+
+#if PSZ == 8
+
+#if PGSZ == 32
+#define WriteBitGroup(dst,pixel,bits) \
+       switch (bits) {                 \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+           break;                      \
+       case 2:                         \
+           ((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+           break;                      \
+       case 3:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD8 *) (dst))[SinglePixel2] = (pixel);  \
+           break;                      \
+       case 5:                         \
+           ((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+           ((CARD8 *) (dst))[SinglePixel2] = (pixel);  \
+           break;                      \
+       case 6:                         \
+           ((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+           ((CARD8 *) (dst))[SinglePixel2] = (pixel);  \
+           break;                      \
+       case 7:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD8 *) (dst))[SinglePixel2] = (pixel);  \
+           break;                      \
+       case 8:                         \
+           ((CARD8 *) (dst))[SinglePixel3] = (pixel);  \
+           break;                      \
+       case 9:                         \
+           ((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+           ((CARD8 *) (dst))[SinglePixel3] = (pixel);  \
+           break;                      \
+       case 10:                        \
+           ((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+           ((CARD8 *) (dst))[SinglePixel3] = (pixel);  \
+           break;                      \
+       case 11:                        \
+           ((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD8 *) (dst))[SinglePixel3] = (pixel);  \
+           break;                      \
+       case 12:                        \
+           ((CARD16 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+           ((CARD16 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+           ((CARD16 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[0] = (pixel);    \
+           break;                      \
+       }
+#else /* PGSZ == 64 */
+#define WriteBitGroup(dst,pixel,bits)                          \
+    if ( bits == 0xff )                                                \
+       ((PixelGroup *) (dst))[OctaPixel0] = (pixel);           \
+    else {                                                     \
+       switch (bits & 0x0f) {                                  \
+           case 0:                                             \
+               break;                                          \
+           case 1:                                             \
+               ((CARD8 *) (dst))[SinglePixel0] = (pixel);      \
+               break;                                          \
+           case 2:                                             \
+               ((CARD8 *) (dst))[SinglePixel1] = (pixel);      \
+               break;                                          \
+           case 3:                                             \
+               ((CARD16 *) (dst))[DoublePixel0] = (pixel);     \
+               break;                                          \
+           case 4:                                             \
+               ((CARD8 *) (dst))[SinglePixel2] = (pixel);      \
+               break;                                          \
+           case 5:                                             \
+               ((CARD8 *) (dst))[SinglePixel0] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel2] = (pixel);      \
+               break;                                          \
+           case 6:                                             \
+               ((CARD8 *) (dst))[SinglePixel1] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel2] = (pixel);      \
+               break;                                          \
+           case 7:                                             \
+               ((CARD16 *) (dst))[DoublePixel0] = (pixel);     \
+               ((CARD8 *) (dst))[SinglePixel2] = (pixel);      \
+               break;                                          \
+           case 8:                                             \
+               ((CARD8 *) (dst))[SinglePixel3] = (pixel);      \
+               break;                                          \
+           case 9:                                             \
+               ((CARD8 *) (dst))[SinglePixel0] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel3] = (pixel);      \
+               break;                                          \
+           case 10:                                            \
+               ((CARD8 *) (dst))[SinglePixel1] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel3] = (pixel);      \
+               break;                                          \
+           case 11:                                            \
+               ((CARD16 *) (dst))[DoublePixel0] = (pixel);     \
+               ((CARD8 *) (dst))[SinglePixel3] = (pixel);      \
+               break;                                          \
+           case 12:                                            \
+               ((CARD16 *) (dst))[DoublePixel1] = (pixel);     \
+               break;                                          \
+           case 13:                                            \
+               ((CARD8 *) (dst))[SinglePixel0] = (pixel);      \
+               ((CARD16 *) (dst))[DoublePixel1] = (pixel);     \
+               break;                                          \
+           case 14:                                            \
+               ((CARD8 *) (dst))[SinglePixel1] = (pixel);      \
+               ((CARD16 *) (dst))[DoublePixel1] = (pixel);     \
+               break;                                          \
+           case 15:                                            \
+               ((CARD32 *) (dst))[QuadPixel0] = (pixel);       \
+               break;                                          \
+       }                                                       \
+       switch ((bits & 0xf0) >> 4) {                           \
+           case 0:                                             \
+               break;                                          \
+           case 1:                                             \
+               ((CARD8 *) (dst))[SinglePixel4] = (pixel);      \
+               break;                                          \
+           case 2:                                             \
+               ((CARD8 *) (dst))[SinglePixel5] = (pixel);      \
+               break;                                          \
+           case 3:                                             \
+               ((CARD16 *) (dst))[DoublePixel2] = (pixel);     \
+               break;                                          \
+           case 4:                                             \
+               ((CARD8 *) (dst))[SinglePixel6] = (pixel);      \
+               break;                                          \
+           case 5:                                             \
+               ((CARD8 *) (dst))[SinglePixel4] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel6] = (pixel);      \
+               break;                                          \
+           case 6:                                             \
+               ((CARD8 *) (dst))[SinglePixel5] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel6] = (pixel);      \
+               break;                                          \
+           case 7:                                             \
+               ((CARD16 *) (dst))[DoublePixel2] = (pixel);     \
+               ((CARD8 *) (dst))[SinglePixel6] = (pixel);      \
+               break;                                          \
+           case 8:                                             \
+               ((CARD8 *) (dst))[SinglePixel7] = (pixel);      \
+               break;                                          \
+           case 9:                                             \
+               ((CARD8 *) (dst))[SinglePixel4] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel7] = (pixel);      \
+               break;                                          \
+           case 10:                                            \
+               ((CARD8 *) (dst))[SinglePixel5] = (pixel);      \
+               ((CARD8 *) (dst))[SinglePixel7] = (pixel);      \
+               break;                                          \
+           case 11:                                            \
+               ((CARD16 *) (dst))[DoublePixel2] = (pixel);     \
+               ((CARD8 *) (dst))[SinglePixel7] = (pixel);      \
+               break;                                          \
+           case 12:                                            \
+               ((CARD16 *) (dst))[DoublePixel3] = (pixel);     \
+               break;                                          \
+           case 13:                                            \
+               ((CARD8 *) (dst))[SinglePixel4] = (pixel);      \
+               ((CARD16 *) (dst))[DoublePixel3] = (pixel);     \
+               break;                                          \
+           case 14:                                            \
+               ((CARD8 *) (dst))[SinglePixel5] = (pixel);      \
+               ((CARD16 *) (dst))[DoublePixel3] = (pixel);     \
+               break;                                          \
+           case 15:                                            \
+               ((CARD32 *) (dst))[QuadPixel1] = (pixel);       \
+               break;                                          \
+       }                                                       \
+    }
+#endif /* PGSZ == 64 */
+
+#if PGSZ == 32
+#define SwitchBitGroup(dst,pixel,bits) { \
+       switch (bits) { \
+       case 0: \
+                   break; \
+       case 1: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel);) \
+           break; \
+       case 2: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel);) \
+           break; \
+       case 3: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel);) \
+           break; \
+       case 4: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 5: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 6: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 7: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 8: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 9: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 10: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 11: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                    ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 12: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 13: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD16 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 14: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD16 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 15: \
+           SwitchBitsLoop (((CARD32 *) (dst))[0] = (pixel);) \
+           break; \
+       } \
+}
+#else /* PGSZ == 64 */
+#define SwitchBitGroup(dst,pixel,bits) {                                  \
+    if ( bits == 0xff )                                                           \
+       SwitchBitsLoop (((PixelGroup *) (dst))[OctaPixel0] = (pixel);)     \
+    else {                                                                \
+       switch (bits & 0x0f) {                                             \
+           case 0:                                                        \
+                       break;                                                     \
+           case 1:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel);) \
+               break;                                                     \
+           case 2:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel);) \
+               break;                                                     \
+           case 3:                                                        \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel);)\
+               break;                                                     \
+           case 4:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+               break;                                                     \
+           case 5:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+               break;                                                     \
+           case 6:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+               break;                                                     \
+           case 7:                                                        \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                               ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+               break;                                                     \
+           case 8:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+               break;                                                     \
+           case 9:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+               break;                                                     \
+           case 10:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+               break;                                                     \
+           case 11:                                                       \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                               ((CARD8 *) (dst))[SinglePixel3] = (pixel);) \
+               break;                                                     \
+           case 12:                                                       \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel1] = (pixel);)\
+               break;                                                     \
+           case 13:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel0] = (pixel);  \
+                               ((CARD16 *) (dst))[DoublePixel1] = (pixel);)\
+               break;                                                     \
+           case 14:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel1] = (pixel);  \
+                               ((CARD16 *) (dst))[DoublePixel1] = (pixel);)\
+               break;                                                     \
+           case 15:                                                       \
+               SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel0] = (pixel);)    \
+               break;                                                     \
+       }                                                                  \
+       switch ((bits & 0xf0) >> 4) {                                      \
+           case 0:                                                        \
+                       break;                                                     \
+           case 1:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel4] = (pixel);) \
+               break;                                                     \
+           case 2:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel5] = (pixel);) \
+               break;                                                     \
+           case 3:                                                        \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel2] = (pixel);)\
+               break;                                                     \
+           case 4:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel6] = (pixel);) \
+               break;                                                     \
+           case 5:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel4] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel6] = (pixel);) \
+               break;                                                     \
+           case 6:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel5] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel6] = (pixel);) \
+               break;                                                     \
+           case 7:                                                        \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel2] = (pixel); \
+                               ((CARD8 *) (dst))[SinglePixel6] = (pixel);) \
+               break;                                                     \
+           case 8:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel7] = (pixel);) \
+               break;                                                     \
+           case 9:                                                        \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel4] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel7] = (pixel);) \
+               break;                                                     \
+           case 10:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel5] = (pixel);  \
+                               ((CARD8 *) (dst))[SinglePixel7] = (pixel);) \
+               break;                                                     \
+           case 11:                                                       \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel2] = (pixel); \
+                               ((CARD8 *) (dst))[SinglePixel7] = (pixel);) \
+               break;                                                     \
+           case 12:                                                       \
+               SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel3] = (pixel);)\
+               break;                                                     \
+           case 13:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel4] = (pixel);  \
+                               ((CARD16 *) (dst))[DoublePixel3] = (pixel);)\
+               break;                                                     \
+           case 14:                                                       \
+               SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel5] = (pixel);  \
+                               ((CARD16 *) (dst))[DoublePixel3] = (pixel);)\
+               break;                                                     \
+           case 15:                                                       \
+               SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel1] = (pixel);) \
+               break;                                                     \
+       }                                                                  \
+    }                                                                     \
+}
+#endif /* PGSZ == 64 */
+#endif /* PSZ == 8 */
+
+#if PSZ == 16
+
+#if PGSZ == 32
+#define WriteBitGroup(dst,pixel,bits) \
+       switch (bits) {                 \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       }
+#else /* PGSZ == 64 */
+#define WriteBitGroup(dst,pixel,bits) \
+    if ( bits == 0xff )        {                                               \
+       ((PixelGroup *) (dst))[QuadPixel0] = (pixel);                   \
+       ((PixelGroup *) (dst))[QuadPixel1] = (pixel);                   \
+    }                                                                  \
+    else {                                                             \
+       switch (bits & 0x0f) {                                          \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel1] = (pixel); \
+           break;                      \
+       }                               \
+       switch ((bits & 0xf0) >> 4) {                   \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD16 *) (dst))[SinglePixel4] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD16 *) (dst))[SinglePixel5] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[DoublePixel2] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD16 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD16 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD16 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[DoublePixel2] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD16 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD16 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD16 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[DoublePixel2] = (pixel); \
+           ((CARD16 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[DoublePixel3] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD16 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel3] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD16 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel3] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[DoublePixel2] = (pixel); \
+           ((CARD32 *) (dst))[DoublePixel3] = (pixel); \
+           break;                      \
+       }                               \
+    }
+#endif /* PGSZ */
+
+#if PGSZ == 32
+#define SwitchBitGroup(dst,pixel,bits) { \
+       switch (bits) { \
+       case 0: \
+                   break; \
+       case 1: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel0] = (pixel);) \
+           break; \
+       case 2: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel1] = (pixel);) \
+           break; \
+       case 3: \
+           SwitchBitsLoop (((CARD32 *) (dst))[DoublePixel0] = (pixel);) \
+           break; \
+       case 4: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 5: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 6: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 7: \
+           SwitchBitsLoop (((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 8: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 9: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 10: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 11: \
+           SwitchBitsLoop (((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+                    ((CARD16 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 12: \
+           SwitchBitsLoop (((CARD32 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 13: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+                    ((CARD32 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 14: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel1] = (pixel); \
+                    ((CARD32 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       case 15: \
+           SwitchBitsLoop (((CARD32 *) (dst))[DoublePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[DoublePixel1] = (pixel);) \
+           break; \
+       } \
+}
+#else /* PGSZ == 64 */
+#define SwitchBitGroup(dst,pixel,bits) { \
+       cfb cannot hack 64-bit SwitchBitGroup psz=PSZ
+#endif /* PGSZ */
+
+#endif /* PSZ == 16 */
+
+#if PSZ == 24
+/* 32 000011112222*/
+/* 24 000111222333*/
+/* 16 001122334455*/
+/*  8 0123456789AB*/
+#if PGSZ == 32
+#define WriteBitGroup(dst,pixel,bits) \
+       { \
+       register CARD32 reg_pixel = (pixel); \
+       switch (bits) {                 \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel2] = ((reg_pixel>>16)&0xFF);   \
+           break;                      \
+       case 2:                         \
+           ((CARD8 *) (dst))[SinglePixel3] = reg_pixel&0xFF;   \
+           ((CARD16 *) (dst))[DoublePixel2] = (reg_pixel>>8)&0xFFFF;   \
+           break;                      \
+       case 3:                         \
+           ((CARD8 *) (dst))[SinglePixel3] = reg_pixel & 0xFF; \
+           ((CARD16 *) (dst))[DoublePixel0] = reg_pixel;       \
+           ((CARD16 *) (dst))[DoublePixel2] = (reg_pixel>>8)&0xFFFF;   \
+           ((CARD8 *) (dst))[SinglePixel2] = (reg_pixel>>16&0xFF);     \
+           break;                      \
+       case 4:                         \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel8] = (reg_pixel>>16)&0xFF; \
+           break;                      \
+       case 5:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           reg_pixel >>= 16;   \
+           ((CARD8 *) (dst))[SinglePixel2] = \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel&0xFF; \
+           break;                      \
+       case 6:                         \
+           ((CARD8 *) (dst))[SinglePixel3] = reg_pixel;        \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel&0xFF; \
+           break;                      \
+       case 7:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel3] = reg_pixel&0xFF;   \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel2] = \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel&0xFF; \
+           break;                      \
+       case 8:                         \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel&0xFF;   \
+           ((CARD16 *) (dst))[DoublePixel5] = (reg_pixel>>8);  \
+           break;                      \
+       case 9:                         \
+           ((CARD16 *) (dst))[DoublePixel0] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel&0xFF;   \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel2] = reg_pixel&0xFF;   \
+           break;                      \
+       case 10:                        \
+           ((CARD8 *) (dst))[SinglePixel3] = \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel&0xFF;   \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           break;                      \
+       case 11:                        \
+           ((CARD8 *) (dst))[SinglePixel3] = \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel;        \
+           ((CARD16 *) (dst))[DoublePixel0] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel2] = reg_pixel;        \
+           break;                      \
+       case 12:                        \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel;        \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel; \
+           break;                      \
+       case 13:                        \
+           ((CARD16 *) (dst))[DoublePixel0] = \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel;        \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel2] = \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel; \
+           break;                      \
+       case 14:                        \
+           ((CARD8 *) (dst))[SinglePixel3] = \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel;        \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel8] = reg_pixel; \
+           break;                      \
+       case 15:                        \
+           ((CARD16 *) (dst))[DoublePixel0] = \
+           ((CARD16 *) (dst))[DoublePixel3] = reg_pixel;       \
+           ((CARD8 *) (dst))[SinglePixel3] = \
+           ((CARD8 *) (dst))[SinglePixel9] = reg_pixel;        \
+           reg_pixel >>= 8;    \
+           ((CARD16 *) (dst))[DoublePixel2] = \
+           ((CARD16 *) (dst))[DoublePixel5] = reg_pixel;       \
+           reg_pixel >>= 8;    \
+           ((CARD8 *) (dst))[SinglePixel8] = \
+           ((CARD8 *) (dst))[SinglePixel2] = reg_pixel;        \
+           break;                      \
+       } \
+      }
+#else /* PGSZ == 64 */
+#define WriteBitGroup(dst,pixel,bits) \
+    if ( bits == 0xff )         {                                 \
+       ((PixelGroup *) (dst))[DoublePixel0] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel1] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel2] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel3] = (pixel);    \
+    }                                                     \
+    else {                                                \
+       switch (bits & 0x0f) {                             \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       }                               \
+       switch ((bits & 0xf0) >> 4) {   \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       }                               \
+    }
+#endif /* PGSZ */
+
+#if PGSZ == 32
+#define SwitchBitGroup(dst,pixel,bits) { \
+       switch (bits) { \
+       case 0: \
+                   break; \
+       case 1: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 2: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel2] = (pixel);) \
+           break; \
+       case 3: \
+           SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel0] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel2] = (pixel);) \
+           break; \
+       case 4: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel3] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel8] = (pixel);) \
+           break; \
+       case 5: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel3] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel8] = (pixel);) \
+           break; \
+       case 6: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel2] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel8] = (pixel);) \
+           break; \
+       case 7: \
+           SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel0] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel1] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel8] = (pixel);) \
+           break; \
+       case 8: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel9] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel5] = (pixel);) \
+           break; \
+       case 9: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel0] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel9] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel5] = (pixel);) \
+           break; \
+       case 10: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel2] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel9] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel5] = (pixel);) \
+           break; \
+       case 11: \
+           SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel0] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel3] = (pixel);) \
+                           ((CARD8 *) (dst))[SinglePixel9] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel5] = (pixel);) \
+           break; \
+       case 12: \
+           SwitchBitsLoop (((CARD16 *) (dst))[DoublePixel3] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel2] = (pixel);) \
+           break; \
+       case 13: \
+           SwitchBitsLoop (((CARD16 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD8 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD16 *) (dst))[DoublePixel3] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel2] = (pixel);) \
+           break; \
+       case 14: \
+           SwitchBitsLoop (((CARD8 *) (dst))[SinglePixel3] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel1] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel2] = (pixel);) \
+           break; \
+       case 15: \
+           SwitchBitsLoop (((CARD32 *) (dst))[QuadPixel0] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel1] = (pixel); \
+                           ((CARD32 *) (dst))[QuadPixel2] = (pixel);) \
+           break; \
+       } \
+}
+#else /* PGSZ == 64 */
+#define SwitchBitGroup(dst,pixel,bits) { \
+       cfb cannot hack 64-bit SwitchBitGroup psz=PSZ
+#endif /* PGSZ */
+
+#endif /* PSZ == 24 */
+
+#if PSZ == 32
+
+#if PGSZ == 32
+#define WriteBitGroup(dst,pixel,bits) \
+       switch (bits) {                 \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       }
+#else /* PGSZ == 64 */
+#define WriteBitGroup(dst,pixel,bits) \
+    if ( bits == 0xff )         {                                 \
+       ((PixelGroup *) (dst))[DoublePixel0] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel1] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel2] = (pixel);    \
+       ((PixelGroup *) (dst))[DoublePixel3] = (pixel);    \
+    }                                                     \
+    else {                                                \
+       switch (bits & 0x0f) {                             \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel3] = (pixel); \
+           break;                      \
+       }                               \
+       switch ((bits & 0xf0) >> 4) {   \
+       case 0:                         \
+           break;                      \
+       case 1:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           break;                      \
+       case 2:                         \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           break;                      \
+       case 3:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           break;                      \
+       case 4:                         \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 5:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 6:                         \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 7:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           break;                      \
+       case 8:                         \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 9:                         \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 10:                        \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 11:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 12:                        \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 13:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 14:                        \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       case 15:                        \
+           ((CARD32 *) (dst))[SinglePixel4] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel5] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel6] = (pixel); \
+           ((CARD32 *) (dst))[SinglePixel7] = (pixel); \
+           break;                      \
+       }                               \
+    }
+#endif /* PGSZ */
+
+#if PGSZ == 32
+#define SwitchBitGroup(dst,pixel,bits) { \
+       switch (bits) { \
+       case 0: \
+                   break; \
+       case 1: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel);) \
+           break; \
+       case 2: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel1] = (pixel);) \
+           break; \
+       case 3: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel1] = (pixel);) \
+           break; \
+       case 4: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 5: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 6: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 7: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel);) \
+           break; \
+       case 8: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 9: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 10: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 11: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 12: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 13: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 14: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       case 15: \
+           SwitchBitsLoop (((CARD32 *) (dst))[SinglePixel0] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel1] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel2] = (pixel); \
+                           ((CARD32 *) (dst))[SinglePixel3] = (pixel);) \
+           break; \
+       } \
+}
+#else /* PGSZ == 64 */
+#define SwitchBitGroup(dst,pixel,bits) { \
+       cfb cannot hack 64-bit SwitchBitGroup psz=PSZ
+#endif /* PGSZ */
+
+#endif /* PSZ == 32 */
+#endif /* AVOID_MEMORY_READ */
+
+extern PixelGroup cfb8BitLenMasks[PGSZ];
+
+extern int cfb8SetStipple (
+#if NeedFunctionPrototypes
+    int        /*alu*/,
+    unsigned long /*fg*/,
+    unsigned long /*planemask*/
+#endif
+);
+
+extern int cfb8SetOpaqueStipple (
+#if NeedFunctionPrototypes
+    int /*alu*/,
+    unsigned long /*fg*/,
+    unsigned long /*bg*/,
+    unsigned long /*planemask*/
+#endif
+);
+
+extern int cfb8ComputeClipMasks32 (
+#if NeedFunctionPrototypes
+    BoxPtr     /*pBox*/,
+    int                /*numRects*/,
+    int                /*x*/,
+    int                /*y*/,
+    int                /*w*/,
+    int                /*h*/,
+    CARD32 * /*clips*/
+#endif
+);