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Diffstat (limited to 'mfb/mfbtegblt.c')
-rw-r--r--mfb/mfbtegblt.c95
1 files changed, 20 insertions, 75 deletions
diff --git a/mfb/mfbtegblt.c b/mfb/mfbtegblt.c
index aa5b01f3d..1e0da0f02 100644
--- a/mfb/mfbtegblt.c
+++ b/mfb/mfbtegblt.c
@@ -46,6 +46,9 @@ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.
******************************************************************/
+
+/* $XFree86: xc/programs/Xserver/mfb/mfbtegblt.c,v 1.8 2001/12/14 20:00:12 dawes Exp $ */
+
#include "X.h"
#include "Xmd.h"
#include "Xproto.h"
@@ -100,83 +103,42 @@ two times:
#endif
/*
+ * XXX XXX XXX There is something horribly, massively wrong here. There are
+ * hardcoded shifts by 64 below; these cannot work on any present-day
+ * architecture.
+ */
+
+/*
* Note: for BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER, SCRRIGHT() evaluates its
* first argument more than once. Thus the imbedded char++ have to be moved.
* (DHD)
*/
#if BITMAP_BIT_ORDER == IMAGE_BYTE_ORDER
-#if PPW == 32
#define GetBits4 c = (*char1++ << ShiftAmnt) | \
SCRRIGHT (*char2++ << ShiftAmnt, xoff2) | \
SCRRIGHT (*char3++ << ShiftAmnt, xoff3) | \
SCRRIGHT (*char4++ << ShiftAmnt, xoff4);
-#else /* PPW */
-#define GetBits4 c = ((unsigned long)(*char1++ << ShiftAmnt) << 32 ) | \
- (SCRRIGHT (*char2++ << ShiftAmnt, xoff2) << 32 ) | \
- (SCRRIGHT (*char3++ << ShiftAmnt, xoff3) << 32 ) | \
- (SCRRIGHT (*char4++ << ShiftAmnt, xoff4) << 32 ) | \
- (*char5++ << ShiftAmnt) | \
- SCRRIGHT (*char6++ << ShiftAmnt, xoff6) | \
- SCRRIGHT (*char7++ << ShiftAmnt, xoff7) | \
- SCRRIGHT (*char8++ << ShiftAmnt, xoff8);
-#endif /* PPW */
#else /* BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER */
-#if PPW == 32
#define GetBits4 c = (*char1++ << ShiftAmnt) | \
SCRRIGHT (*char2 << ShiftAmnt, xoff2) | \
SCRRIGHT (*char3 << ShiftAmnt, xoff3) | \
SCRRIGHT (*char4 << ShiftAmnt, xoff4); \
char2++; char3++; char4++;
-#else /* PPW == 64 */
-#define GetBits4 c = ((unsigned long)(*char1++ << ShiftAmnt) << 32 ) | \
- (SCRRIGHT (*char2 << ShiftAmnt, xoff2) << 32 ) | \
- (SCRRIGHT (*char3 << ShiftAmnt, xoff3) << 32 ) | \
- (SCRRIGHT (*char4 << ShiftAmnt, xoff4) << 32 ) | \
- (*char5++ << ShiftAmnt) | \
- SCRRIGHT (*char6 << ShiftAmnt, xoff6) | \
- SCRRIGHT (*char7 << ShiftAmnt, xoff7) | \
- SCRRIGHT (*char8 << ShiftAmnt, xoff8); \
- char2++; char3++; char4++; char6++; char7++; char8++;
-#endif /* PPW */
#endif /* BITMAP_BIT_ORDER == IMAGE_BYTE_ORDER */
#else /* (BITMAP_BIT_ORDER != MSBFirst) || (GLYPHPADBYTES == 4) */
#if BITMAP_BIT_ORDER == IMAGE_BYTE_ORDER
-#if PPW == 32
#define GetBits4 c = *char1++ | \
SCRRIGHT (*char2++, xoff2) | \
SCRRIGHT (*char3++, xoff3) | \
SCRRIGHT (*char4++, xoff4);
-#else /* PPW == 64 */
-#define GetBits4 c = (unsigned long)(((*char1++) << 64 ) | \
- (SCRRIGHT (*char2++, xoff2) << 64 ) | \
- (SCRRIGHT (*char3++, xoff3) << 64 ) | \
- (SCRRIGHT (*char4++, xoff4) << 64 ) | \
- SCRRIGHT (*char5++, xoff5) | \
- SCRRIGHT (*char6++, xoff6) | \
- SCRRIGHT (*char7++, xoff7) | \
- SCRRIGHT (*char8++, xoff8));
-#endif /* PPW */
#else /* BITMAP_BIT_ORDER != IMAGE_BYTE_ORDER */
-#if PPW == 32
#define GetBits4 c = *char1++ | \
SCRRIGHT (*char2, xoff2) | \
SCRRIGHT (*char3, xoff3) | \
SCRRIGHT (*char4, xoff4); \
char2++; char3++; char4++;
-#else /* PPW == 64 */
-#define GetBits4 c = (unsigned long)(((*char1++) << 64 ) | \
- (SCRRIGHT (*char2, xoff2) << 64 ) | \
- (SCRRIGHT (*char3, xoff3) << 64 ) | \
- (SCRRIGHT (*char4, xoff4) << 64 ) | \
- SCRRIGHT (*char5, xoff5) | \
- SCRRIGHT (*char6, xoff6) | \
- SCRRIGHT (*char7, xoff7) | \
- SCRRIGHT (*char8, xoff8)); \
- char2++; char3++; char4++; \
- char5++; char6++; char7++; char8++;
-#endif /* PPW */
#endif /* BITMAP_BIT_ORDER == IMAGE_BYTE_ORDER */
#endif /* BITMAP_BIT_ORDER && GLYPHPADBYTES */
@@ -232,10 +194,6 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
register PixelType c;
register int xoff1, xoff2, xoff3, xoff4;
register glyphPointer char1, char2, char3, char4;
-#if PPW == 64
- register int xoff5, xoff6, xoff7, xoff8;
- register glyphPointer char5, char6, char7, char8;
-#endif /* PPW */
#ifdef USE_LEFTBITS
register PixelType glyphMask;
@@ -262,8 +220,7 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
bbox.y1 = ypos;
bbox.y2 = ypos + h;
- switch (RECT_IN_REGION(pGC->pScreen,
- ((mfbPrivGC *)(pGC->devPrivates[mfbGCPrivateIndex].ptr))->pCompositeClip, &bbox))
+ switch (RECT_IN_REGION(pGC->pScreen, pGC->pCompositeClip, &bbox))
{
case rgnPART:
/* this is the WRONG thing to do, but it works.
@@ -307,22 +264,10 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
xoff2 = widthGlyph;
xoff3 = xoff2 + widthGlyph;
xoff4 = xoff3 + widthGlyph;
-#if PPW == 64
- xoff5 = xoff4 + widthGlyph;
- xoff6 = xoff5 + widthGlyph;
- xoff7 = xoff6 + widthGlyph;
- xoff8 = xoff7 + widthGlyph;
-#endif /* PPW */
char1 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
char2 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
char3 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
char4 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
-#if PPW == 64
- char5 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
- char6 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
- char7 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
- char8 = (glyphPointer) FONTGLYPHBITS(pglyphBase,(*ppci++));
-#endif /* PPW */
hTmp = h;
dst = mfbScanlineOffset(pdstBase, (xpos >> PWSH)); /* switch now */
@@ -341,7 +286,7 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
# endif
FASTPUTBITS(OP(c), xoff1, widthGlyphs, dst);
#else
- *(dst) = (*dst) & ~startmask | OP(SCRRIGHT(c, xoff1)) & startmask;
+ *(dst) = ((*dst) & ~startmask) | (OP(SCRRIGHT(c, xoff1)) & startmask);
#endif
mfbScanlineInc(dst, widthDst);
}
@@ -354,10 +299,10 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
while (hTmp--)
{
GetBits4
- dst[0] = dst[0] & ~startmask |
- OP(SCRRIGHT(c,xoff1)) & startmask;
- dst[1] = dst[1] & ~endmask |
- OP(SCRLEFT(c,nfirst)) & endmask;
+ dst[0] = (dst[0] & ~startmask) |
+ (OP(SCRRIGHT(c,xoff1)) & startmask);
+ dst[1] = (dst[1] & ~endmask) |
+ (OP(SCRLEFT(c,nfirst)) & endmask);
mfbScanlineInc(dst, widthDst);
}
}
@@ -393,7 +338,7 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
FASTPUTBITS (OP(c),xoff1,widthGlyph,dst);
#else
GetBits1
- (*dst) = (*dst) & ~startmask | OP(SCRRIGHT(c, xoff1)) & startmask;
+ (*dst) = ((*dst) & ~startmask) | (OP(SCRRIGHT(c, xoff1)) & startmask);
#endif
mfbScanlineInc(dst, widthDst);
}
@@ -406,10 +351,10 @@ MFBTEGLYPHBLT(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase)
while (hTmp--)
{
GetBits1
- dst[0] = dst[0] & ~startmask |
- OP(SCRRIGHT(c,xoff1)) & startmask;
- dst[1] = dst[1] & ~endmask |
- OP(SCRLEFT(c,nfirst)) & endmask;
+ dst[0] = (dst[0] & ~startmask) |
+ (OP(SCRRIGHT(c,xoff1)) & startmask);
+ dst[1] = (dst[1] & ~endmask) |
+ (OP(SCRLEFT(c,nfirst)) & endmask);
mfbScanlineInc(dst, widthDst);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 12:49:29 +0000