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1 :	jhr	1354	/*! \file shadow-types.h
2 :			*
3 :			* \author John Reppy
4 :			*
5 :			* Type definitions for the shadow globals.
6 :			*/
7 :
8 :			/*
9 :			* COPYRIGHT (c) 2011 The Diderot Project (http://diderot-language.cs.uchicago.edu)
10 :			* All rights reserved.
11 :			*/
12 :
13 :			#ifndef _SHADOW_TYPES_H_
14 :			#define _SHADOW_TYPES_H_
15 :
16 :			#if defined(CL_VERSION_1_1)
17 :			# define HAS_VEC3_TYPE
18 :			#endif
19 :
20 :			#if defined(DIDEROT_SINGLE_PRECISION)
21 :			typedef cl_float Shadow_real_t;
22 :			typedef cl_float2 Shadow_vec2_t;
23 :			#ifdef HAS_VEC3_TYPE
24 :			typedef cl_float3 Shadow_vec3_t;
25 :			#else
26 :			typedef cl_float4 Shadow_vec3_t;
27 :			#endif
28 :			typedef cl_float4 Shadow_vec4_t;
29 :			#else
30 :			typedef cl_double Shadow_real_t;
31 :			typedef cl_double2 Shadow_vec2_t;
32 :			#ifdef HAS_VEC3_TYPE
33 :			typedef cl_double3 Shadow_vec3_t;
34 :			#else
35 :			typedef cl_double4 Shadow_vec3_t;
36 :			#endif
37 :			typedef cl_double4 Shadow_vec4_t;
38 :			#endif
39 :			typedef Shadow_vec2_t Shadow_Mat2x2_t[2];
40 :			typedef Shadow_vec3_t Shadow_Mat3x3_t[3];
41 :			typedef Shadow_vec4_t Shadow_Mat4x4_t[4];
42 :
43 :			//! shadow wrapper for 1D image data
44 :			typedef struct {
45 :			cl_mem data; //!< GPU-side memory object for data.
46 :			cl_int size[1];
47 :			Shadow_real_t s; //!< scaling from world-space to image-space
48 :			Shadow_real_t t; //!< translation from world-space to image-space
49 :			} Shadow_image1D_t;
50 :
51 :			//! shadow wrapper for 2D image data
52 :			typedef struct {
53 :			cl_mem data; //!< GPU-side memory object for data.
54 :			cl_int size[2]; //!< sizes (fast to slow)
55 :			Shadow_Mat2x2_t w2i; //!< affine tranform from world space to index space. This is the
56 :			//! inverse of the index to world-space transform that is loaded from
57 :			//! the Nrrd file.
58 :			Shadow_vec2_t tVec; //!< translation part of world to index transform
59 :			Shadow_Mat2x2_t w2iT; //!< transpose w3i
60 :			} Shadow_image2D_t;
61 :
62 :			//! shadow wrapper for 3D image data
63 :			typedef struct {
64 :			cl_mem data; //!< GPU-side memory object for data.
65 :			cl_int size[3]; //!< sizes (fast to slow)
66 :			Shadow_Mat3x3_t w2i; //!< affine tranform from world space to index space. This is the
67 :			//! inverse of the index to world-space transform that is loaded from
68 :			//! the Nrrd file.
69 :			Shadow_vec3_t tVec; //!< translation part of world to index transform
70 :			Shadow_Mat3x3_t w2iT; //!< transpose w3i
71 :			} Shadow_image3D_t;
72 :
73 :	jhr	1355	/*! \brief initialize a shadow 2D vector from a host vector.
74 :			* \param dst the shadow value to initialize (an array)
75 :			* \param src the host vector to shadow.
76 :			*
77 :			* Note that the correctness of this function depends on the fact that
78 :			* the Shadow_vec2_t type is an array.
79 :			*/
80 :			STATIC_INLINE void ShadowVec2 (Shadow_vec2_t dst, Diderot_vec2_t src)
81 :			{
82 :			dst[0] = ((Diderot_union2_t)(src)).r[0];
83 :			dst[1] = ((Diderot_union2_t)(src)).r[1];
84 :			}
85 :
86 :			/*! \brief initialize a shadow 3D vector from a host vector.
87 :			* \param dst the shadow value to initialize (an array)
88 :			* \param src the host vector to shadow.
89 :			*
90 :			* Note that the correctness of this function depends on the fact that
91 :			* the Shadow_vec3_t type is an array.
92 :			*/
93 :			STATIC_INLINE void ShadowVec3 (Shadow_vec3_t dst, Diderot_vec3_t src)
94 :			{
95 :			dst[0] = ((Diderot_union3_t)(src)).r[0];
96 :			dst[1] = ((Diderot_union3_t)(src)).r[1];
97 :			dst[2] = ((Diderot_union3_t)(src)).r[2];
98 :			}
99 :
100 :			/*! \brief initialize a shadow 4D vector from a host vector.
101 :			* \param dst the shadow value to initialize (an array)
102 :			* \param src the host vector to shadow.
103 :			*
104 :			* Note that the correctness of this function depends on the fact that
105 :			* the Shadow_vec4_t type is an array.
106 :			*/
107 :			STATIC_INLINE void ShadowVec4 (Shadow_vec4_t dst, Diderot_vec4_t src)
108 :			{
109 :			dst[0] = ((Diderot_union4_t)(src)).r[0];
110 :			dst[1] = ((Diderot_union4_t)(src)).r[1];
111 :			dst[2] = ((Diderot_union4_t)(src)).r[2];
112 :			dst[3] = ((Diderot_union4_t)(src)).r[3];
113 :			}
114 :
115 :			/*! \brief initialize a shadow 2x2 matrix from a host matrix.
116 :			* \param dst the shadow value to initialize (an array of arrays)
117 :			* \param src the host matrix to shadow.
118 :			*/
119 :			STATIC_INLINE void ShadowMat2x2 (Shadow_Mat2x2_t dst, Diderot_Mat2x2_t src)
120 :			{
121 :			ShadowVec2 (dst[0], src[0].v);
122 :			ShadowVec2 (dst[1], src[1].v);
123 :			}
124 :
125 :			/*! \brief initialize a shadow 3x3 matrix from a host matrix.
126 :			* \param dst the shadow value to initialize (an array of arrays)
127 :			* \param src the host matrix to shadow.
128 :			*/
129 :			STATIC_INLINE void ShadowMat3x3 (Shadow_Mat3x3_t dst, Diderot_Mat3x3_t src)
130 :			{
131 :			ShadowVec3 (dst[0], src[0].v);
132 :			ShadowVec3 (dst[1], src[1].v);
133 :			ShadowVec3 (dst[2], src[2].v);
134 :			}
135 :
136 :			/*! \brief initialize a shadow 4x4 matrix from a host matrix.
137 :			* \param dst the shadow value to initialize (an array of arrays)
138 :			* \param src the host matrix to shadow.
139 :			*/
140 :			STATIC_INLINE void ShadowMat4x4 (Shadow_Mat4x4_t dst, Diderot_Mat4x4_t src)
141 :			{
142 :			ShadowVec4 (dst[0], src[0].v);
143 :			ShadowVec4 (dst[1], src[1].v);
144 :			ShadowVec4 (dst[2], src[2].v);
145 :			ShadowVec4 (dst[3], src[3].v);
146 :			}
147 :
148 :	jhr	1354	/*! \brief initialize a shadow for a 1D image
149 :			* \param cxt the OpenCL context used to allocate the shadow buffer
150 :			* \param dst the pointer to the shadow image
151 :			* \param src the source image to shadow
152 :			*/
153 :			void ShadowImage1D (cl_context cxt, Shadow_image1D_t *dst, Diderot_image1D_t *img);
154 :
155 :			/*! \brief initialize a shadow for a 2D image
156 :			* \param cxt the OpenCL context used to allocate the shadow buffer
157 :			* \param dst the pointer to the shadow image
158 :			* \param src the source image to shadow
159 :			*/
160 :			void ShadowImage2D (cl_context cxt, Shadow_image2D_t *dst, Diderot_image2D_t *img);
161 :
162 :			/*! \brief initialize a shadow for a 3D image
163 :			* \param cxt the OpenCL context used to allocate the shadow buffer
164 :			* \param dst the pointer to the shadow image
165 :			* \param src the source image to shadow
166 :			*/
167 :			void ShadowImage3D (cl_context cxt, Shadow_image3D_t *dst, Diderot_image3D_t *img);
168 :
169 :			#endif /* !_SHADOW_TYPES_H_ */

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