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Wrap libwfb memory access.

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Use the READ and WRITE macros to wrap memory accesses that could be in video
memory.  Add MEMCPY_WRAPPED and MEMSET_WRAPPED macros to wrap memcpy and
memset, respectively.
This commit is contained in:
Aaron Plattner 2006-08-01 13:45:43 -07:00
commit ee02e64788
20 changed files with 641 additions and 614 deletions
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10
fb/fbglyph.c
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@ -62,11 +62,11 @@ fbGlyphIn (RegionPtr pRegion,
#ifdef FB_24BIT
#ifndef FBNOPIXADDR
#define WRITE1(d,n,fg) ((d)[n] = (CARD8) fg)
#define WRITE2(d,n,fg) (*(CARD16 *) &(d[n]) = (CARD16) fg)
#define WRITE4(d,n,fg) (*(CARD32 *) &(d[n]) = (CARD32) fg)
#define WRITE1(d,n,fg) WRITE((d) + (n), (CARD8) fg)
#define WRITE2(d,n,fg) WRITE((CARD16 *) &(d[n]), (CARD16) fg)
#define WRITE4(d,n,fg) WRITE((CARD32 *) &(d[n]), (CARD32) fg)
#if FB_UNIT == 6 && IMAGE_BYTE_ORDER == LSBFirst
#define WRITE8(d) (*(FbBits *) &(d[0]) = fg)
#define WRITE8(d) WRITE((FbBits *) &(d[0]), fg)
#else
#define WRITE8(d) WRITE4(d,0,_ABCA), WRITE4(d,4,_BCAB)
#endif
@ -157,7 +157,7 @@ fbGlyph24 (FbBits *dstBits,
lshift = 4 - shift;
while (height--)
{
bits = *stipple++;
bits = READ(stipple++);
n = lshift;
dst = dstLine;
while (bits)