#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif
#ifndef _FBPICT_H_
#define _FBPICT_H_
#include "renderedge.h"
#if defined(__GNUC__)
#define INLINE __inline__
#else
#define INLINE
#endif
#define FbIntMult(a,b,t) ( (t) = (a) * (b) + 0x80, ( ( ( (t)>>8 ) + (t) )>>8 ) )
#define FbIntDiv(a,b) (((CARD16) (a) * 255) / (b))
#define FbGet8(v,i) ((CARD16) (CARD8) ((v) >> i))
#define FbOverU(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),(a),(t)) + FbGet8(x,i),\
(CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
#define FbOverC(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),FbGet8(a,i),(t)) + FbGet8(x,i),\
(CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
#define FbInU(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),(a),(t)) << (i))
#define FbInC(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),FbGet8(a,i),(t)) << (i))
#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (FbIntMult(FbGet8(y,i),ay,(u)) + \
FbIntMult(FbGet8(x,i),ax,(v))),\
(CARD32) ((CARD8) ((t) | \
(0 - ((t) >> 8)))) << (i))
#define FbAdd(x,y,i,t) ((t) = FbGet8(x,i) + FbGet8(y,i), \
(CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
#define Alpha(x) ((x) >> 24)
#define Red(x) (((x) >> 16) & 0xff)
#define Green(x) (((x) >> 8) & 0xff)
#define Blue(x) ((x) & 0xff)
static INLINE Bool
fbCanGetSolid(PicturePtr pict)
{
if (pict->pDrawable == NULL ||
pict->pDrawable->width != 1 ||
pict->pDrawable->height != 1)
{
return FALSE;
}
if (pict->repeat != RepeatNormal)
return FALSE;
switch (pict->format) {
case PICT_a8r8g8b8:
case PICT_x8r8g8b8:
case PICT_a8b8g8r8:
case PICT_x8b8g8r8:
case PICT_r8g8b8:
case PICT_b8g8r8:
case PICT_r5g6b5:
case PICT_b5g6r5:
return TRUE;
default:
return FALSE;
}
}
#define fbComposeGetSolid(pict, bits, fmt) { \
FbBits *__bits__; \
FbStride __stride__; \
int __bpp__; \
int __xoff__,__yoff__; \
\
fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
switch (__bpp__) { \
case 32: \
(bits) = READ((CARD32 *) __bits__); \
break; \
case 24: \
(bits) = Fetch24 ((CARD8 *) __bits__); \
break; \
case 16: \
(bits) = READ((CARD16 *) __bits__); \
(bits) = cvt0565to0888(bits); \
break; \
case 8: \
(bits) = READ((CARD8 *) __bits__); \
(bits) = (bits) << 24; \
break; \
case 1: \
(bits) = READ((CARD32 *) __bits__); \
(bits) = FbLeftStipBits((bits),1) ? 0xff000000 : 0x00000000;\
break; \
default: \
return; \
} \
\
if (PICT_FORMAT_TYPE((pict)->format) != PICT_FORMAT_TYPE(fmt)) \
{ \
(bits) = (((bits) & 0xff000000) | \
(((bits) & 0x00ff0000) >> 16) | \
(((bits) & 0x0000ff00) >> 0) | \
(((bits) & 0x000000ff) << 16)); \
} \
\
if ((pict)->pFormat->direct.alphaMask == 0) \
(bits) |= 0xff000000; \
fbFinishAccess ((pict)->pDrawable); \
}
#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 cvt0565to0888(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 ? \
((READ(a) << 16) | READ((CARD16 *) ((a)+1))) : \
((READ((CARD16 *) (a)) << 8) | READ((a)+2)))
#define Store24(a,v) ((unsigned long) (a) & 1 ? \
(WRITE(a, (CARD8) ((v) >> 16)), \
WRITE((CARD16 *) ((a)+1), (CARD16) (v))) : \
(WRITE((CARD16 *) (a), (CARD16) ((v) >> 8)), \
WRITE((a)+2, (CARD8) (v))))
#else
#define Fetch24(a) ((unsigned long) (a) & 1 ? \
(READ(a) | (READ((CARD16 *) ((a)+1)) << 8)) : \
(READ((CARD16 *) (a)) | (READ((a)+2) << 16)))
#define Store24(a,v) ((unsigned long) (a) & 1 ? \
(WRITE(a, (CARD8) (v)), \
WRITE((CARD16 *) ((a)+1), (CARD16) ((v) >> 8))) : \
(WRITE((CARD16 *) (a), (CARD16) (v)),\
WRITE((a)+2, (CARD8) ((v) >> 16))))
#endif
#define FbByteMul(x, a) do { \
CARD32 t = ((x & 0xff00ff) * a) + 0x800080; \
t = (t + ((t >> 8) & 0xff00ff)) >> 8; \
t &= 0xff00ff; \
\
x = (((x >> 8) & 0xff00ff) * a) + 0x800080; \
x = (x + ((x >> 8) & 0xff00ff)); \
x &= 0xff00ff00; \
x += t; \
} while (0)
#define FbByteMulAdd(x, a, y) do { \
CARD32 t = ((x & 0xff00ff) * a) + 0x800080; \
t = (t + ((t >> 8) & 0xff00ff)) >> 8; \
t &= 0xff00ff; \
t += y & 0xff00ff; \
t |= 0x1000100 - ((t >> 8) & 0xff00ff); \
t &= 0xff00ff; \
\
x = (((x >> 8) & 0xff00ff) * a) + 0x800080; \
x = (x + ((x >> 8) & 0xff00ff)) >> 8; \
x &= 0xff00ff; \
x += (y >> 8) & 0xff00ff; \
x |= 0x1000100 - ((x >> 8) & 0xff00ff); \
x &= 0xff00ff; \
x <<= 8; \
x += t; \
} while (0)
#define FbByteAddMul(x, a, y, b) do { \
CARD32 t; \
CARD32 r = (x >> 24) * a + (y >> 24) * b + 0x80; \
r += (r >> 8); \
r >>= 8; \
\
t = (x & 0xff00) * a + (y & 0xff00) * b; \
t += (t >> 8) + 0x8000; \
t >>= 16; \
\
t |= r << 16; \
t |= 0x1000100 - ((t >> 8) & 0xff00ff); \
t &= 0xff00ff; \
t <<= 8; \
\
r = ((x >> 16) & 0xff) * a + ((y >> 16) & 0xff) * b + 0x80; \
r += (r >> 8); \
r >>= 8; \
\
x = (x & 0xff) * a + (y & 0xff) * b + 0x80; \
x += (x >> 8); \
x >>= 8; \
x |= r << 16; \
x |= 0x1000100 - ((x >> 8) & 0xff00ff); \
x &= 0xff00ff; \
x |= t; \
} while (0)
#define FbByteAddMul_256(x, a, y, b) do { \
CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b; \
t >>= 8; \
t &= 0xff00ff; \
\
x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b; \
x &= 0xff00ff00; \
x += t; \
} while (0)
#define FbByteMulC(x, a) do { \
CARD32 t; \
CARD32 r = (x & 0xff) * (a & 0xff); \
r |= (x & 0xff0000) * ((a >> 16) & 0xff); \
r += 0x800080; \
r = (r + ((r >> 8) & 0xff00ff)) >> 8; \
r &= 0xff00ff; \
\
x >>= 8; \
t = (x & 0xff) * ((a >> 8) & 0xff); \
t |= (x & 0xff0000) * (a >> 24); \
t += 0x800080; \
t = t + ((t >> 8) & 0xff00ff); \
x = r | (t & 0xff00ff00); \
\
} while (0)
#define FbByteMulAddC(x, a, y) do { \
CARD32 t; \
CARD32 r = (x & 0xff) * (a & 0xff); \
r |= (x & 0xff0000) * ((a >> 16) & 0xff); \
r += 0x800080; \
r = (r + ((r >> 8) & 0xff00ff)) >> 8; \
r &= 0xff00ff; \
r += y & 0xff00ff; \
r |= 0x1000100 - ((r >> 8) & 0xff00ff); \
r &= 0xff00ff; \
\
x >>= 8; \
t = (x & 0xff) * ((a >> 8) & 0xff); \
t |= (x & 0xff0000) * (a >> 24); \
t += 0x800080; \
t = (t + ((t >> 8) & 0xff00ff)) >> 8; \
t &= 0xff00ff; \
t += (y >> 8) & 0xff00ff; \
t |= 0x1000100 - ((t >> 8) & 0xff00ff); \
t &= 0xff00ff; \
x = r | (t << 8); \
} while (0)
#define FbByteAddMulC(x, a, y, b) do { \
CARD32 t; \
CARD32 r = (x >> 24) * (a >> 24) + (y >> 24) * b; \
r += (r >> 8) + 0x80; \
r >>= 8; \
\
t = (x & 0xff00) * ((a >> 8) & 0xff) + (y & 0xff00) * b; \
t += (t >> 8) + 0x8000; \
t >>= 16; \
\
t |= r << 16; \
t |= 0x1000100 - ((t >> 8) & 0xff00ff); \
t &= 0xff00ff; \
t <<= 8; \
\
r = ((x >> 16) & 0xff) * ((a >> 16) & 0xff) + ((y >> 16) & 0xff) * b + 0x80; \
r += (r >> 8); \
r >>= 8; \
\
x = (x & 0xff) * (a & 0xff) + (y & 0xff) * b + 0x80; \
x += (x >> 8); \
x >>= 8; \
x |= r << 16; \
x |= 0x1000100 - ((x >> 8) & 0xff00ff); \
x &= 0xff00ff; \
x |= t; \
} while (0)
#define FbByteAdd(x, y) do { \
CARD32 t; \
CARD32 r = (x & 0xff00ff) + (y & 0xff00ff); \
r |= 0x1000100 - ((r >> 8) & 0xff00ff); \
r &= 0xff00ff; \
\
t = ((x >> 8) & 0xff00ff) + ((y >> 8) & 0xff00ff); \
t |= 0x1000100 - ((t >> 8) & 0xff00ff); \
r |= (t & 0xff00ff) << 8; \
x = r; \
} while (0)
#define div_255(x) (((x) + 0x80 + (((x) + 0x80) >> 8)) >> 8)
#if defined(__i386__) && defined(__GNUC__)
#define FASTCALL __attribute__((regparm(3)))
#else
#define FASTCALL
#endif
typedef struct _FbComposeData {
CARD8 op;
PicturePtr src;
PicturePtr mask;
PicturePtr dest;
INT16 xSrc;
INT16 ySrc;
INT16 xMask;
INT16 yMask;
INT16 xDest;
INT16 yDest;
CARD16 width;
CARD16 height;
} FbComposeData;
void
fbCompositeRect (const FbComposeData *data, CARD32 *scanline_buffer);
typedef FASTCALL void (*CombineMaskU) (CARD32 *src, const CARD32 *mask, int width);
typedef FASTCALL void (*CombineFuncU) (CARD32 *dest, const CARD32 *src, int width);
typedef FASTCALL void (*CombineFuncC) (CARD32 *dest, CARD32 *src, CARD32 *mask, int width);
typedef struct _FbComposeFunctions {
CombineFuncU *combineU;
CombineFuncC *combineC;
CombineMaskU combineMaskU;
} FbComposeFunctions;
void
fbCompositeGeneral (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height);
void
fbComposite (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height);
typedef void (*CompositeFunc) (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height);
void
fbWalkCompositeRegion (CARD8 op,
PicturePtr pSrc,
PicturePtr pMask,
PicturePtr pDst,
INT16 xSrc,
INT16 ySrc,
INT16 xMask,
INT16 yMask,
INT16 xDst,
INT16 yDst,
CARD16 width,
CARD16 height,
Bool srcRepeat,
Bool maskRepeat,
CompositeFunc compositeRect);
void
fbAddTraps (PicturePtr pPicture,
INT16 xOff,
INT16 yOff,
int ntrap,
xTrap *traps);
void
fbRasterizeTrapezoid (PicturePtr alpha,
xTrapezoid *trap,
int x_off,
int y_off);
void
fbAddTriangles (PicturePtr pPicture,
INT16 xOff,
INT16 yOff,
int ntri,
xTriangle *tris);
#endif