Diff of /trunk/src/lib/diderot.h

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	revision 440, Wed Oct 20 03:20:16 2010 UTC	revision 441, Wed Oct 20 19:21:32 2010 UTC
#	Line 1	Line 1
1	/*! \file diderot.h	/*! \file diderot.h
2	*	*
3	* \author John Reppy	* \author John Reppy
4		*
5		* This is the interface to the Diderot runtime for the C target.  For now,
6		* we are targetting single-precision computations.
7	*/	*/
8
9	/*	/*
#	Line 20	Line 23
23	typedef enum { DIDEROT_OK = 0, DIDEROT_FAIL = -1 } Status_t;	typedef enum { DIDEROT_OK = 0, DIDEROT_FAIL = -1 } Status_t;
24
25	/* SSE vector types */	/* SSE vector types */
26		typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));
27	typedef float float4 __attribute__ ((__vector_size__ (16)));	typedef float float4 __attribute__ ((__vector_size__ (16)));
28	typedef double double2 __attribute__ ((__vector_size__ (16)));	//typedef double double2 __attribute__ ((__vector_size__ (16)));
29
30	/* union types for converting extracting vector data */	/* union types for converting extracting vector data */
31	typedef union {	typedef union {
#	Line 72	Line 76
76	extern Status_t Diderot_InputVec3 (const char *, Diderot_vec3_t *v);	extern Status_t Diderot_InputVec3 (const char *, Diderot_vec3_t *v);
77
78	/* inline vector arithmetic functions */	/* inline vector arithmetic functions */
79	STATIC_INLINE void Diderot_ScaleV3 (Diderot_vec3_t dstV, Diderot_real_t s, Diderot_vec3_t v)	STATIC_INLINE float4 Diderot_Vec3 (Diderot_real_t a, Diderot_real_t b, Diderot_real_t c)
80	{	{
81		return __extension__ (float4){ a, b, c, 0.0f };
82		}
83
84		STATIC_INLINE float4 Diderot_Vec4 (Diderot_real_t a, Diderot_real_t b, Diderot_real_t c, Diderot_real_t d)
85		{
86		return __extension__ (float4){ a, b, c, d };
87		}
88
89		STATIC_INLINE float4 Diderot_ScaleV3 (float4 dstV, Diderot_real_t s, float4 v)
90		{
91		return Diderot_Vec3(s, s, s) * v;
92		}
93
94		STATIC_INLINE float4 Diderot_AddV3 (float4 a, float4 b)
95		{
96		return a + b;
97	}	}
98
99	STATIC_INLINE void Diderot_CopyV3 (&pos, &(glob->pos))	STATIC_INLINE float4 Diderot_MulV3 (float4 a, float4 b)
100	{	{
101		return a + b;
102	}	}
103
104	STATIC_INLINE void Diderot_AddV3 (&pos, &pos, &_t)	// check if pos is inside the img, assuming that we have a border of width s.
105		//
106		STATIC_INLINE bool Diderot_Inside3D (Diderot_vec3_t pos, Diderot_image3D_t *img, int s)
107	{	{
108		// NOTE: there might be a vectorized way to do this compare!
109		return ((s <= pos.f[0]) && (pos.f[0] < (img->size[0] - s))
110		&&  (s <= pos.f[1]) && (pos.f[1] < (img->size[1] - s))
111		&&  (s <= pos.f[2]) && (pos.f[2] < (img->size[2] - s)));
112	}	}
113
114	#endif /* !_DIDEROT_H_ */	#endif /* !_DIDEROT_H_ */

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