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Thu Jul 22 20:03:11 2004 Soeren Sandmann <sandmann@daimi.au.dk>

Browse source 
Call MMX solid fill routine when available.
Call MMX operations when available.
New HasGcc34 macro
New file with many operations implemented with MMX intrinsics, conditional
    on having GCC 3.4 on i386.
This commit is contained in:
Søren Sandmann Pedersen 2004-07-22 19:24:50 +00:00
commit cc3e0173d9
6 changed files with 1923 additions and 108 deletions
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64
fb/fbpict.h
View file

@ -70,6 +70,70 @@ typedef void (*CompositeFunc) (CARD8 op,
CARD16 width,
CARD16 height);
#define fbComposeGetSolid(pict, bits) { \
FbBits *__bits__; \
FbStride __stride__; \
int __bpp__; \
int __xoff__,__yoff__; \
\
fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
switch (__bpp__) { \
case 32: \
(bits) = *(CARD32 *) __bits__; \
break; \
case 24: \
(bits) = Fetch24 ((CARD8 *) __bits__); \
break; \
case 16: \
(bits) = *(CARD16 *) __bits__; \
(bits) = cvt0565to8888(bits); \
break; \
default: \
return; \
} \
/* manage missing src alpha */ \
if ((pict)->pFormat->direct.alphaMask == 0) \
(bits) |= 0xff000000; \
}
#define fbComposeGetStart(pict,x,y,type,stride,line,mul) {\
FbBits *__bits__; \
FbStride __stride__; \
int __bpp__; \
int __xoff__,__yoff__; \
\
fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
(stride) = __stride__ * sizeof (FbBits) / sizeof (type); \
(line) = ((type *) __bits__) + (stride) * ((y) - __yoff__) + (mul) * ((x) - __xoff__); \
}
#define cvt8888to0565(s) ((((s) >> 3) & 0x001f) | \
(((s) >> 5) & 0x07e0) | \
(((s) >> 8) & 0xf800))
#define cvt0565to8888(s) (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
#if IMAGE_BYTE_ORDER == MSBFirst
#define Fetch24(a) ((unsigned long) (a) & 1 ? \
((*(a) << 16) | *((CARD16 *) ((a)+1))) : \
((*((CARD16 *) (a)) << 8) | *((a)+2)))
#define Store24(a,v) ((unsigned long) (a) & 1 ? \
((*(a) = (CARD8) ((v) >> 16)), \
(*((CARD16 *) ((a)+1)) = (CARD16) (v))) : \
((*((CARD16 *) (a)) = (CARD16) ((v) >> 8)), \
(*((a)+2) = (CARD8) (v))))
#else
#define Fetch24(a) ((unsigned long) (a) & 1 ? \
((*(a)) | (*((CARD16 *) ((a)+1)) << 8)) : \
((*((CARD16 *) (a))) | (*((a)+2) << 16)))
#define Store24(a,v) ((unsigned long) (a) & 1 ? \
((*(a) = (CARD8) (v)), \
(*((CARD16 *) ((a)+1)) = (CARD16) ((v) >> 8))) : \
((*((CARD16 *) (a)) = (CARD16) (v)),\
(*((a)+2) = (CARD8) ((v) >> 16))))
#endif
typedef struct _FbCompositeOperand FbCompositeOperand;
typedef CARD32 (*FbCompositeFetch)(FbCompositeOperand *op);