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Use the pixman fixed point types and macros

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This commit is contained in:
Soren Sandmann Pedersen 2007-05-15 16:51:21 -04:00
parent 3da842bf93
commit f2e30e7d0a
2 changed files with 20 additions and 40 deletions
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3
render/picture.c
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@ -1879,9 +1879,6 @@ AddTraps (PicturePtr pPicture,
(*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps);
}
#define MAX_FIXED_48_16 ((xFixed_48_16) 0x7fffffff)
#define MIN_FIXED_48_16 (-((xFixed_48_16) 1 << 31))
_X_EXPORT Bool
PictureTransformPoint3d (PictTransformPtr transform,
PictVectorPtr vector)

57
render/picture.h
View File

@ -25,6 +25,8 @@
#ifndef _PICTURE_H_
#define _PICTURE_H_
#include <pixman/pixman.h>
typedef struct _DirectFormat *DirectFormatPtr;
typedef struct _PictFormat *PictFormatPtr;
typedef struct _Picture *PicturePtr;
@ -171,54 +173,35 @@ extern int RenderClientPrivateIndex;
/* Fixed point updates from Carl Worth, USC, Information Sciences Institute */
#if defined(WIN32) && !defined(__GNUC__)
typedef __int64 xFixed_32_32;
#else
# if defined (_LP64) || \
defined(__alpha__) || defined(__alpha) || \
defined(ia64) || defined(__ia64__) || \
defined(__sparc64__) || \
defined(__s390x__) || \
defined(amd64) || defined (__amd64__) || \
(defined(sgi) && (_MIPS_SZLONG == 64))
typedef long xFixed_32_32;
# else
# if defined(__GNUC__) && \
((__GNUC__ > 2) || \
((__GNUC__ == 2) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ > 7)))
__extension__
# endif
typedef long long int xFixed_32_32;
# endif
#endif
typedef pixman_fixed_32_32_t xFixed_32_32;
typedef xFixed_32_32 xFixed_48_16;
typedef pixman_fixed_48_16_t xFixed_48_16;
#define MAX_FIXED_48_16 ((xFixed_48_16) 0x7fffffff)
#define MIN_FIXED_48_16 (-((xFixed_48_16) 1 << 31))
#define MAX_FIXED_48_16 pixman_max_fixed_48_16
#define MIN_FIXED_48_16 pixman_min_fixed_48_16
typedef CARD32 xFixed_1_31;
typedef CARD32 xFixed_1_16;
typedef INT32 xFixed_16_16;
typedef pixman_fixed_1_31_t xFixed_1_31;
typedef pixman_fixed_1_16_t xFixed_1_16;
typedef pixman_fixed_16_16_t xFixed_16_16;
/*
* An unadorned "xFixed" is the same as xFixed_16_16,
* (since it's quite common in the code)
*/
typedef xFixed_16_16 xFixed;
typedef pixman_fixed_t xFixed;
#define XFIXED_BITS 16
#define xFixedToInt(f) (int) ((f) >> XFIXED_BITS)
#define IntToxFixed(i) ((xFixed) (i) << XFIXED_BITS)
#define xFixedE ((xFixed) 1)
#define xFixed1 (IntToxFixed(1))
#define xFixed1MinusE (xFixed1 - xFixedE)
#define xFixedFrac(f) ((f) & xFixed1MinusE)
#define xFixedFloor(f) ((f) & ~xFixed1MinusE)
#define xFixedCeil(f) xFixedFloor((f) + xFixed1MinusE)
#define xFixedToInt(f) pixman_fixed_to_int(f)
#define IntToxFixed(i) pixman_int_to_fixed(i)
#define xFixedE pixman_fixed_e
#define xFixed1 pixman_fixed_1
#define xFixed1MinusE pixman_fixed_1_minus_e
#define xFixedFrac(f) pixman_fixed_frac(f)
#define xFixedFloor(f) pixman_fixed_floor(f)
#define xFixedCeil(f) pixman_fixed_ceil(f)
#define xFixedFraction(f) ((f) & xFixed1MinusE)
#define xFixedMod2(f) ((f) & (xFixed1 | xFixed1MinusE))
#define xFixedFraction(f) pixman_fixed_fraction(f)
#define xFixedMod2(f) pixman_fixed_mod2(f)
/* whether 't' is a well defined not obviously empty trapezoid */
#define xTrapezoidValid(t) ((t)->left.p1.y != (t)->left.p2.y && \