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-rw-r--r--cfb/cfbmskbits.h277
1 files changed, 251 insertions, 26 deletions
diff --git a/cfb/cfbmskbits.h b/cfb/cfbmskbits.h
index 7de664157..dac519001 100644
--- a/cfb/cfbmskbits.h
+++ b/cfb/cfbmskbits.h
@@ -1,3 +1,4 @@
+/* $XFree86: xc/programs/Xserver/cfb/cfbmskbits.h,v 3.13 2001/10/28 03:33:01 tsi Exp $ */
/************************************************************
Copyright 1987 by Sun Microsystems, Inc. Mountain View, CA.
@@ -33,6 +34,11 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "X.h"
#include "Xmd.h"
#include "servermd.h"
+#if defined(XFREE86) || ( defined(__OpenBSD__) && defined(__alpha__) ) \
+ || (defined(__bsdi__))
+#include "xf86_ansic.h"
+#include "compiler.h"
+#endif
/*
* ==========================================================================
@@ -68,18 +74,18 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
* B is PGSZB. All the other values are derived from these
* two. This table does not show all combinations!
*
- * name cfb8,4 cfb32,4 cfb8,8 cfb32,8
- * ---- ------ ------- ------ -------
- * PSZ 8 32 8 32
- * PGSZ 32 32 64 64
- * PGSZB 4 4 8 8
- * PGSZBMSK 0xF 0xF 0xFF 0xFF
- * PPW 4 1 8 2
- * PPWMSK 0xF 0x1 0xFF 0x3
- * PLST 3 0 7 1
- * PIM 0x3 0x0 0x7 0x1
- * PWSH 2 0 3 1
- * PMSK 0xFF 0xFFFFFFFF 0xFF 0xFFFFFFFF
+ * name cfb8,4 cfb24,4 cfb32,4 cfb8,8 cfb24,8 cfb32,8
+ * ---- ------ ------- ------ ------ ------ -------
+ * PSZ 8 24 32 8 24 32
+ * PGSZ 32 32 32 64 64 64
+ * PGSZB 4 4 4 8 8 8
+ * PGSZBMSK 0xF 0xF? 0xF 0xFF 0xFF 0xFF
+ * PPW 4 1 1 8 2 2
+ * PPWMSK 0xF 0x1 0x1 0xFF 0x3? 0x3
+ * PLST 3 0 0 7 1 1
+ * PIM 0x3 0x0 0x0 0x7 0x1? 0x1
+ * PWSH 2 0 0 3 1 1
+ * PMSK 0xFF 0xFFFFFF 0xFFFFFFFF 0xFF 0xFFFFFF 0xFFFFFFFF
*
*
* I have also added a new macro, PFILL, that takes one pixel and
@@ -95,6 +101,10 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
* parameter to the putbits and putbitsrop macros that is the plane
* mask.
* ==========================================================================
+ *
+ * Keith Packard (keithp@suse.com)
+ * 64bit code is no longer supported; it requires DIX support
+ * for repadding images which significantly impacts performance
*/
/*
@@ -102,22 +112,26 @@ THE USE OR PERFORMANCE OF THIS SOFTWARE.
* -DPSZ=foo on the compilation command line.
*/
+#ifndef PSZ
+#define PSZ 8
+#endif
+
/*
* PixelGroup is the data type used to operate on groups of pixels.
- * We typedef it here to unsigned long with the assumption that you
- * want to manipulate as many pixels at a time as you can. If unsigned
- * long is not appropriate for your server, define it to something else
+ * We typedef it here to CARD32 with the assumption that you
+ * want to manipulate 32 bits worth of pixels at a time as you can. If CARD32
+ * is not appropriate for your server, define it to something else
* before including this file. In this case you will also have to define
* PGSZB to the size in bytes of PixelGroup.
*/
#ifndef PixelGroup
-typedef unsigned long PixelGroup;
-#ifdef LONG64
-#define PGSZB 8
-#else
+#define PixelGroup CARD32
#define PGSZB 4
-#endif /* LONG64 */
#endif /* PixelGroup */
+
+#ifndef CfbBits
+#define CfbBits CARD32
+#endif
#define PGSZ (PGSZB << 3)
#define PPW (PGSZ/PSZ)
@@ -171,6 +185,15 @@ typedef CARD8 PixelType;
typedef CARD16 PixelType;
#endif
+#if PSZ == 24
+#undef PMSK
+#define PMSK 0xFFFFFF
+/*#undef PIM
+#define PIM 3*/
+#define PIXEL_ADDR
+typedef CARD32 PixelType;
+#endif
+
#if PSZ == 32
#undef PMSK
#define PMSK 0xFFFFFFFF
@@ -385,6 +408,109 @@ getleftbits(psrc, w, dst)
#if PSZ != 32 || PPW != 1
+# if (PSZ == 24 && PPW == 1)
+#define maskbits(x, w, startmask, endmask, nlw) {\
+ startmask = cfbstarttab[(x)&3]; \
+ endmask = cfbendtab[((x)+(w)) & 3]; \
+ nlw = ((((x)+(w))*3)>>2) - (((x)*3 +3)>>2); \
+}
+
+#define mask32bits(x, w, startmask, endmask) \
+ startmask = cfbstarttab[(x)&3]; \
+ endmask = cfbendtab[((x)+(w)) & 3];
+
+#define maskpartialbits(x, w, mask) \
+ mask = cfbstartpartial[(x) & 3] & cfbendpartial[((x)+(w)) & 3];
+
+#define maskbits24(x, w, startmask, endmask, nlw) \
+ startmask = cfbstarttab24[(x) & 3]; \
+ endmask = cfbendtab24[((x)+(w)) & 3]; \
+ if (startmask){ \
+ nlw = (((w) - (4 - ((x) & 3))) >> 2); \
+ } else { \
+ nlw = (w) >> 2; \
+ }
+
+#define getbits24(psrc, dst, index) {\
+ register int idx; \
+ switch(idx = ((index)&3)<<1){ \
+ case 0: \
+ dst = (*(psrc) &cfbmask[idx]); \
+ break; \
+ case 6: \
+ dst = BitLeft((*(psrc) &cfbmask[idx]), cfb24Shift[idx]); \
+ break; \
+ default: \
+ dst = BitLeft((*(psrc) &cfbmask[idx]), cfb24Shift[idx]) | \
+ BitRight(((*((psrc)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
+ }; \
+}
+
+#define putbits24(src, x, w, pdst, planemask, index) {\
+ register PixelGroup dstpixel; \
+ register unsigned int idx; \
+ switch(idx = ((index)&3)<<1){ \
+ case 0: \
+ dstpixel = (*(pdst) &cfbmask[idx]); \
+ break; \
+ case 6: \
+ dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx]); \
+ break; \
+ default: \
+ dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx])| \
+ BitRight(((*((pdst)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
+ }; \
+ dstpixel &= ~(planemask); \
+ dstpixel |= (src & planemask); \
+ *(pdst) &= cfbrmask[idx]; \
+ switch(idx){ \
+ case 0: \
+ *(pdst) |= (dstpixel & cfbmask[idx]); \
+ break; \
+ case 2: \
+ case 4: \
+ pdst++;idx++; \
+ *(pdst) = ((*(pdst)) & cfbrmask[idx]) | \
+ (BitLeft(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
+ pdst--;idx--; \
+ case 6: \
+ *(pdst) |= (BitRight(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
+ break; \
+ }; \
+}
+
+#define putbitsrop24(src, x, pdst, planemask, rop) \
+{ \
+ register PixelGroup t1, dstpixel; \
+ register unsigned int idx; \
+ switch(idx = (x)<<1){ \
+ case 0: \
+ dstpixel = (*(pdst) &cfbmask[idx]); \
+ break; \
+ case 6: \
+ dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx]); \
+ break; \
+ default: \
+ dstpixel = BitLeft((*(pdst) &cfbmask[idx]), cfb24Shift[idx])| \
+ BitRight(((*((pdst)+1)) &cfbmask[idx+1]), cfb24Shift[idx+1]); \
+ }; \
+ DoRop(t1, rop, (src), dstpixel); \
+ dstpixel &= ~planemask; \
+ dstpixel |= (t1 & planemask); \
+ *(pdst) &= cfbrmask[idx]; \
+ switch(idx){ \
+ case 0: \
+ *(pdst) |= (dstpixel & cfbmask[idx]); \
+ break; \
+ case 2: \
+ case 4: \
+ *((pdst)+1) = ((*((pdst)+1)) & cfbrmask[idx+1]) | \
+ (BitLeft(dstpixel, cfb24Shift[idx+1]) & (cfbmask[idx+1])); \
+ case 6: \
+ *(pdst) |= (BitRight(dstpixel, cfb24Shift[idx]) & cfbmask[idx]); \
+ }; \
+}
+# else /* PSZ == 24 && PPW == 1 */
#define maskbits(x, w, startmask, endmask, nlw) \
startmask = cfbstarttab[(x)&PIM]; \
endmask = cfbendtab[((x)+(w)) & PIM]; \
@@ -400,6 +526,17 @@ getleftbits(psrc, w, dst)
startmask = cfbstarttab[(x)&PIM]; \
endmask = cfbendtab[((x)+(w)) & PIM];
+/* FIXME */
+#define maskbits24(x, w, startmask, endmask, nlw) \
+ abort()
+#define getbits24(psrc, dst, index) \
+ abort()
+#define putbits24(src, x, w, pdst, planemask, index) \
+ abort()
+#define putbitsrop24(src, x, pdst, planemask, rop) \
+ abort()
+
+#endif /* PSZ == 24 && PPW == 1 */
#define getbits(psrc, x, w, dst) \
if ( ((x) + (w)) <= PPW) \
@@ -425,8 +562,8 @@ if ( ((x)+(w)) <= PPW) \
} \
else \
{ \
- unsigned long m; \
- unsigned long n; \
+ unsigned int m; \
+ unsigned int n; \
PixelGroup pm = PFILL(planemask); \
m = PPW-(x); \
n = (w) - m; \
@@ -484,8 +621,8 @@ if ( ((x)+(w)) <= PPW) \
} \
else \
{ \
- unsigned long m; \
- unsigned long n; \
+ CfbBits m; \
+ CfbBits n; \
PixelGroup t1, t2; \
PixelGroup pm; \
PFILL2(planemask, pm); \
@@ -552,6 +689,15 @@ else \
*/
/* useful only when not spanning destination longwords */
+#if PSZ == 24
+#define putbitsmropshort24(src,x,w,pdst,index) {\
+ PixelGroup _tmpmask; \
+ PixelGroup _t1; \
+ maskpartialbits ((x), (w), _tmpmask); \
+ _t1 = SCRRIGHT((src), (x)); \
+ DoMaskMergeRop24(_t1, pdst, _tmpmask, index); \
+}
+#endif
#define putbitsmropshort(src,x,w,pdst) {\
PixelGroup _tmpmask; \
PixelGroup _t1; \
@@ -583,6 +729,22 @@ if ((x) + (w) <= PPW) {\
#if GETLEFTBITS_ALIGNMENT == 1
#define getleftbits(psrc, w, dst) dst = *((unsigned int *) psrc)
+#define getleftbits24(psrc, w, dst, idx){ \
+ regiseter int index; \
+ switch(index = ((idx)&3)<<1){ \
+ case 0: \
+ dst = (*((unsigned int *) psrc))&cfbmask[index]; \
+ break; \
+ case 2: \
+ case 4: \
+ dst = BitLeft(((*((unsigned int *) psrc))&cfbmask[index]), cfb24Shift[index]); \
+ dst |= BitRight(((*((unsigned int *) psrc)+1)&cfbmask[index]), cfb4Shift[index]); \
+ break; \
+ case 6: \
+ dst = BitLeft((*((unsigned int *) psrc)),cfb24Shift[index]); \
+ break; \
+ }; \
+}
#endif /* GETLEFTBITS_ALIGNMENT == 1 */
#define getglyphbits(psrc, x, w, dst) \
@@ -650,16 +812,76 @@ if ((x) + (w) <= PPW) {\
q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
*(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
}
+/* I just copied this to get the linker satisfied on PowerPC,
+ * so this may not be correct at all.
+ */
+#define getstipplepixels24(psrcstip,xt,ones,psrcpix,destpix,stipindex) \
+{ \
+ PixelGroup q; \
+ q = *(psrcstip) >> (xt); \
+ q = ((ones) ? q : ~q) & 1; \
+ *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
+}
#else /* BITMAP_BIT_ORDER == LSB */
+
+/* this must load 32 bits worth; for most machines, thats an int */
+#define CfbFetchUnaligned(x) ldl_u(x)
+
#define getstipplepixels( psrcstip, xt, w, ones, psrcpix, destpix ) \
{ \
PixelGroup q; \
- q = *(psrcstip) >> (xt); \
+ q = CfbFetchUnaligned(psrcstip) >> (xt); \
if ( ((xt)+(w)) > (PPW*PSZ) ) \
- q |= (*((psrcstip)+1)) << ((PPW*PSZ)-(xt)); \
+ q |= (CfbFetchUnaligned((psrcstip)+1)) << ((PPW*PSZ)-(xt)); \
q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
*(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
}
+#if PSZ == 24
+# if 0
+#define getstipplepixels24(psrcstip,xt,w,ones,psrcpix,destpix,stipindex,srcindex,dstindex) \
+{ \
+ PixelGroup q; \
+ CfbBits src; \
+ register unsigned int sidx; \
+ register unsigned int didx; \
+ sidx = ((srcindex) & 3)<<1; \
+ didx = ((dstindex) & 3)<<1; \
+ q = *(psrcstip) >> (xt); \
+/* if((srcindex)!=0)*/ \
+/* src = (((*(psrcpix)) << cfb24Shift[sidx]) & (cfbmask[sidx])) |*/ \
+/* (((*((psrcpix)+1)) << cfb24Shift[sidx+1]) & (cfbmask[sidx+1])); */\
+/* else */\
+ src = (*(psrcpix))&0xFFFFFF; \
+ if ( ((xt)+(w)) > PGSZ ) \
+ q |= (*((psrcstip)+1)) << (PGSZ -(xt)); \
+ q = QuartetBitsTable[(w)] & ((ones) ? q : ~q); \
+ src &= QuartetPixelMaskTable[q]; \
+ *(destpix) &= cfbrmask[didx]; \
+ switch(didx) {\
+ case 0: \
+ *(destpix) |= (src &cfbmask[didx]); \
+ break; \
+ case 2: \
+ case 4: \
+ destpix++;didx++; \
+ *(destpix) = ((*(destpix)) & (cfbrmask[didx]))| \
+ (BitLeft(src, cfb24Shift[didx]) & (cfbmask[didx])); \
+ destpix--; didx--;\
+ case 6: \
+ *(destpix) |= (BitRight(src, cfb24Shift[didx]) & cfbmask[didx]); \
+ break; \
+ }; \
+}
+# else
+#define getstipplepixels24(psrcstip,xt,ones,psrcpix,destpix,stipindex) \
+{ \
+ PixelGroup q; \
+ q = *(psrcstip) >> (xt); \
+ q = ((ones) ? q : ~q) & 1; \
+ *(destpix) = (*(psrcpix)) & QuartetPixelMaskTable[q]; \
+}
+# endif
+#endif /* PSZ == 24 */
#endif
extern PixelGroup cfbstarttab[];
@@ -670,3 +892,6 @@ extern PixelGroup cfbrmask[];
extern PixelGroup cfbmask[];
extern PixelGroup QuartetBitsTable[];
extern PixelGroup QuartetPixelMaskTable[];
+#if PSZ == 24
+extern int cfb24Shift[];
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 07:02:10 +0000