OpenVDB: nanovdb/unittest/pnanovdb_validate_strides.h Source File

OpenVDB 9.0.0

pnanovdb_validate_strides.h
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1// Copyright Contributors to the OpenVDB Project
2// SPDX-License-Identifier: MPL-2.0
3
4/*!
5 \file pnanovdb_validate_strides.h
6
7 \author Andrew Reidmeyer
8
9 \brief This header implements validation tests for the strides used
10 in PNanaoVDB.h (instead of pointers). It can be used both for
11 unit-testing (hence its location), but also to update PNanoVDB.h
12 if the ABI changes in NanoVDB.h.
13*/
14
15#ifndef NANOVDB_PNANOVDB_VALIDATE_STRIDES_H_HAS_BEEN_INCLUDED
16#define NANOVDB_PNANOVDB_VALIDATE_STRIDES_H_HAS_BEEN_INCLUDED
17
18#include <nanovdb/PNanoVDB.h>
19
20 static pnanovdb_uint32_t allocate(pnanovdb_uint32_t* poffset, pnanovdb_uint32_t size, pnanovdb_uint32_t alignment)
21{
22 if (alignment > 0u)
23 {
24 (*poffset) = alignment * (((*poffset) + (alignment - 1)) / alignment);
25 }
26 pnanovdb_uint32_t ret = (*poffset);
27 (*poffset) += size;
28 return ret;
29}
30
31 static void compute_root_strides(
32 pnanovdb_uint32_t grid_type,
33 pnanovdb_uint32_t* background_off,
34 pnanovdb_uint32_t* min_off, pnanovdb_uint32_t* max_off,
35 pnanovdb_uint32_t* ave_off, pnanovdb_uint32_t* stddev_off,
36 pnanovdb_uint32_t* total_size)
37{
38 pnanovdb_uint32_t offset = 0u;
39 allocate(&offset, PNANOVDB_ROOT_BASE_SIZE, 32u);
40
41 pnanovdb_uint32_t minmaxStride = pnanovdb_grid_type_minmax_strides_bits[grid_type] / 8u;
42 pnanovdb_uint32_t minmaxAlign = pnanovdb_grid_type_minmax_aligns_bits[grid_type] / 8u;
43 pnanovdb_uint32_t statStride = pnanovdb_grid_type_stat_strides_bits[grid_type] / 8u;
44
45 *background_off = allocate(&offset, minmaxStride, minmaxAlign);
46 *min_off = allocate(&offset, minmaxStride, minmaxAlign);
47 *max_off = allocate(&offset, minmaxStride, minmaxAlign);
48 *ave_off = allocate(&offset, statStride, statStride);
49 *stddev_off = allocate(&offset, statStride, statStride);
50 *total_size = allocate(&offset, 0u, 32u);
51}
52
53 static void compute_tile_strides(pnanovdb_uint32_t grid_type, pnanovdb_uint32_t* value_off, pnanovdb_uint32_t* total_size)
54{
55 pnanovdb_uint32_t offset = 0u;
56 allocate(&offset, PNANOVDB_ROOT_TILE_BASE_SIZE, 32u);
57
58 pnanovdb_uint32_t valueStride = pnanovdb_grid_type_minmax_strides_bits[grid_type] / 8u;
59 pnanovdb_uint32_t valueAlign = pnanovdb_grid_type_minmax_aligns_bits[grid_type] / 8u;
60
61 *value_off = allocate(&offset, valueStride, valueAlign);
62 *total_size = allocate(&offset, 0u, 32u);
63}
64
65 static void compute_node_strides(
66 pnanovdb_uint32_t grid_type,
67 pnanovdb_uint32_t nodeLevel,
68 pnanovdb_uint32_t* min_off, pnanovdb_uint32_t* max_off,
69 pnanovdb_uint32_t* ave_off, pnanovdb_uint32_t* stddev_off,
70 pnanovdb_uint32_t* table_off,
71 pnanovdb_uint32_t* total_size)
72{
73 static const pnanovdb_uint32_t node_size[3] = { PNANOVDB_LEAF_BASE_SIZE, PNANOVDB_LOWER_BASE_SIZE, PNANOVDB_UPPER_BASE_SIZE };
74 static const pnanovdb_uint32_t node_elements[3] = { PNANOVDB_LEAF_TABLE_COUNT, PNANOVDB_LOWER_TABLE_COUNT, PNANOVDB_UPPER_TABLE_COUNT };
75 pnanovdb_uint32_t offset = 0u;
76 allocate(&offset, node_size[nodeLevel], 32u);
77
78 pnanovdb_uint32_t valueStrideBits = pnanovdb_grid_type_value_strides_bits[grid_type];
79 pnanovdb_uint32_t tableStrideBits = nodeLevel == 0u ? valueStrideBits : pnanovdb_grid_type_table_strides_bits[grid_type];
80 pnanovdb_uint32_t tableAlign = 32u;
81 pnanovdb_uint32_t tableFullStride = (tableStrideBits * node_elements[nodeLevel]) / 8u;
82
83 pnanovdb_uint32_t minmaxStride = pnanovdb_grid_type_minmax_strides_bits[grid_type] / 8u;
84 pnanovdb_uint32_t minmaxAlign = pnanovdb_grid_type_minmax_aligns_bits[grid_type] / 8u;
85 pnanovdb_uint32_t statStride = pnanovdb_grid_type_stat_strides_bits[grid_type] / 8u;
86 if (nodeLevel == 0u && pnanovdb_grid_type_leaf_type[grid_type] == PNANOVDB_LEAF_TYPE_LITE)
87 {
88 minmaxStride = 0u;
89 minmaxAlign = 0u;
90 statStride = 0u;
91 }
92
93 if (nodeLevel == 0u && pnanovdb_grid_type_leaf_type[grid_type] == PNANOVDB_LEAF_TYPE_FP)
94 {
95 minmaxStride = 2u;
96 minmaxAlign = 2u;
97 statStride = 2u;
98 // allocate minimum and quantum
99 allocate(&offset, 4u, 4u);
100 allocate(&offset, 4u, 4u);
101 }
102 *min_off = allocate(&offset, minmaxStride, minmaxAlign);
103 *max_off = allocate(&offset, minmaxStride, minmaxAlign);
104 *ave_off = allocate(&offset, statStride, statStride);
105 *stddev_off = allocate(&offset, statStride, statStride);
106 *table_off = allocate(&offset, tableFullStride, tableAlign);
107 *total_size = allocate(&offset, 0u, 32u);
108}
109
110 static bool validate_strides(int(*local_printf)(const char* format, ...))
111{
112 pnanovdb_grid_type_constants_t constants[PNANOVDB_GRID_TYPE_END];
113
114 for (pnanovdb_uint32_t idx = 0u; idx < PNANOVDB_GRID_TYPE_END; idx++)
115 {
116
117 pnanovdb_uint32_t root_background, root_min, root_max, root_ave, root_stddev, root_size;
118 compute_root_strides(idx, &root_background, &root_min, &root_max, &root_ave, &root_stddev, &root_size);
119
120 pnanovdb_uint32_t tile_value, tile_size;
121 compute_tile_strides(idx, &tile_value, &tile_size);
122
123 pnanovdb_uint32_t upper_min, upper_max, upper_ave, upper_stddev, upper_table, upper_size;
124 compute_node_strides(idx, 2, &upper_min, &upper_max, &upper_ave, &upper_stddev, &upper_table, &upper_size);
125
126 pnanovdb_uint32_t lower_min, lower_max, lower_ave, lower_stddev, lower_table, lower_size;
127 compute_node_strides(idx, 1, &lower_min, &lower_max, &lower_ave, &lower_stddev, &lower_table, &lower_size);
128
129 pnanovdb_uint32_t leaf_min, leaf_max, leaf_ave, leaf_stddev, leaf_table, leaf_size;
130 compute_node_strides(idx, 0, &leaf_min, &leaf_max, &leaf_ave, &leaf_stddev, &leaf_table, &leaf_size);
131
132 pnanovdb_uint32_t valueStrideBits = pnanovdb_grid_type_value_strides_bits[idx];
133 pnanovdb_uint32_t tableStrideBits = pnanovdb_grid_type_table_strides_bits[idx];
134 pnanovdb_uint32_t tableStride = tableStrideBits / 8u;
135
136 // For FP, always return the base of the table
137 if (pnanovdb_grid_type_leaf_type[idx] == PNANOVDB_LEAF_TYPE_FP)
138 {
139 valueStrideBits = 0u;
140 }
141
142 pnanovdb_grid_type_constants_t local_constants = {
143 root_background, root_min, root_max, root_ave, root_stddev, root_size,
144 valueStrideBits, tableStride, tile_value, tile_size,
145 upper_min, upper_max, upper_ave, upper_stddev, upper_table, upper_size,
146 lower_min, lower_max, lower_ave, lower_stddev, lower_table, lower_size,
147 leaf_min, leaf_max, leaf_ave, leaf_stddev, leaf_table, leaf_size
148 };
149 constants[idx] = local_constants;
150 }
151
152 bool mismatch = false;
153 for (pnanovdb_uint32_t idx = 0u; idx < PNANOVDB_GRID_TYPE_END; idx++)
154 {
155 pnanovdb_grid_type_constants_t c = constants[idx];
156 pnanovdb_grid_type_constants_t t = pnanovdb_grid_type_constants[idx];
157 if (memcmp(&c, &t, sizeof(pnanovdb_grid_type_constants_t)) != 0)
158 {
159 mismatch = true;
160 }
161 }
162 if (mismatch)
163 {
164 local_printf("Error: Mismatch between constant tables.\n");
165 for (pnanovdb_uint32_t pass = 0u; pass < 2u; pass++)
166 {
167 if (pass == 0u)
168 {
169 local_printf("Printing expected values:\n");
170 }
171 else
172 {
173 local_printf("Printing current header values:\n");
174 }
175 for (pnanovdb_uint32_t idx = 0u; idx < PNANOVDB_GRID_TYPE_END; idx++)
176 {
177 pnanovdb_grid_type_constants_t c = (pass == 0u) ? constants[idx] : pnanovdb_grid_type_constants[idx];
178 local_printf("{%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d},\n",
179 c.root_off_background, c.root_off_min, c.root_off_max, c.root_off_ave, c.root_off_stddev, c.root_size,
180 c.value_stride_bits, c.table_stride, c.root_tile_off_value, c.root_tile_size,
181 c.upper_off_min, c.upper_off_max, c.upper_off_ave, c.upper_off_stddev, c.upper_off_table, c.upper_size,
182 c.lower_off_min, c.lower_off_max, c.lower_off_ave, c.lower_off_stddev, c.lower_off_table, c.lower_size,
183 c.leaf_off_min, c.leaf_off_max, c.leaf_off_ave, c.leaf_off_stddev, c.leaf_off_table, c.leaf_size
184 );
185 }
186 }
187 }
188 return !mismatch;
189}
190
191#endif// end of NANOVDB_PNANOVDB_VALIDATE_STRIDES_H_HAS_BEEN_INCLUDED
PNanoVDB.h
This file is a portable (e.g. pointer-less) C99/GLSL/HLSL port of NanoVDB.h, which is compatible with...
PNANOVDB_LEAF_TYPE_LITE
#define PNANOVDB_LEAF_TYPE_LITE
Definition: PNanoVDB.h:677
pnanovdb_grid_type_constants
PNANOVDB_STATIC_CONST pnanovdb_grid_type_constants_t pnanovdb_grid_type_constants[19]
Definition: PNanoVDB.h:1157
pnanovdb_grid_type_stat_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_stat_strides_bits[19]
Definition: PNanoVDB.h:684
pnanovdb_grid_type_minmax_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_strides_bits[19]
Definition: PNanoVDB.h:682
PNANOVDB_ROOT_BASE_SIZE
#define PNANOVDB_ROOT_BASE_SIZE
Definition: PNanoVDB.h:964
pnanovdb_grid_type_minmax_aligns_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_aligns_bits[19]
Definition: PNanoVDB.h:683
PNANOVDB_LEAF_TYPE_FP
#define PNANOVDB_LEAF_TYPE_FP
Definition: PNanoVDB.h:678
pnanovdb_grid_type_value_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_value_strides_bits[19]
Definition: PNanoVDB.h:680
pnanovdb_grid_type_table_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_table_strides_bits[19]
Definition: PNanoVDB.h:681
PNANOVDB_UPPER_BASE_SIZE
#define PNANOVDB_UPPER_BASE_SIZE
Definition: PNanoVDB.h:1023
PNANOVDB_LOWER_BASE_SIZE
#define PNANOVDB_LOWER_BASE_SIZE
Definition: PNanoVDB.h:1064
PNANOVDB_GRID_TYPE_END
#define PNANOVDB_GRID_TYPE_END
Definition: PNanoVDB.h:656
pnanovdb_grid_type_leaf_type
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_leaf_type[19]
Definition: PNanoVDB.h:685
PNANOVDB_ROOT_TILE_BASE_SIZE
#define PNANOVDB_ROOT_TILE_BASE_SIZE
Definition: PNanoVDB.h:992
PNANOVDB_LOWER_TABLE_COUNT
#define PNANOVDB_LOWER_TABLE_COUNT
Definition: PNanoVDB.h:1063
PNANOVDB_LEAF_TABLE_COUNT
#define PNANOVDB_LEAF_TABLE_COUNT
Definition: PNanoVDB.h:1102
PNANOVDB_UPPER_TABLE_COUNT
#define PNANOVDB_UPPER_TABLE_COUNT
Definition: PNanoVDB.h:1022
PNANOVDB_LEAF_BASE_SIZE
#define PNANOVDB_LEAF_BASE_SIZE
Definition: PNanoVDB.h:1103
compute_root_strides
static void compute_root_strides(pnanovdb_uint32_t grid_type, pnanovdb_uint32_t *background_off, pnanovdb_uint32_t *min_off, pnanovdb_uint32_t *max_off, pnanovdb_uint32_t *ave_off, pnanovdb_uint32_t *stddev_off, pnanovdb_uint32_t *total_size)
Definition: pnanovdb_validate_strides.h:31
compute_node_strides
static void compute_node_strides(pnanovdb_uint32_t grid_type, pnanovdb_uint32_t nodeLevel, pnanovdb_uint32_t *min_off, pnanovdb_uint32_t *max_off, pnanovdb_uint32_t *ave_off, pnanovdb_uint32_t *stddev_off, pnanovdb_uint32_t *table_off, pnanovdb_uint32_t *total_size)
Definition: pnanovdb_validate_strides.h:65
allocate
static pnanovdb_uint32_t allocate(pnanovdb_uint32_t *poffset, pnanovdb_uint32_t size, pnanovdb_uint32_t alignment)
Definition: pnanovdb_validate_strides.h:20
compute_tile_strides
static void compute_tile_strides(pnanovdb_uint32_t grid_type, pnanovdb_uint32_t *value_off, pnanovdb_uint32_t *total_size)
Definition: pnanovdb_validate_strides.h:53
validate_strides
static bool validate_strides(int(*local_printf)(const char *format,...))
Definition: pnanovdb_validate_strides.h:110
pnanovdb_grid_type_constants_t
Definition: PNanoVDB.h:1125
pnanovdb_grid_type_constants_t::leaf_off_stddev
pnanovdb_uint32_t leaf_off_stddev
Definition: PNanoVDB.h:1151
pnanovdb_grid_type_constants_t::leaf_off_ave
pnanovdb_uint32_t leaf_off_ave
Definition: PNanoVDB.h:1150
pnanovdb_grid_type_constants_t::upper_off_min
pnanovdb_uint32_t upper_off_min
Definition: PNanoVDB.h:1136
pnanovdb_grid_type_constants_t::leaf_size
pnanovdb_uint32_t leaf_size
Definition: PNanoVDB.h:1153
pnanovdb_grid_type_constants_t::root_size
pnanovdb_uint32_t root_size
Definition: PNanoVDB.h:1131
pnanovdb_grid_type_constants_t::leaf_off_table
pnanovdb_uint32_t leaf_off_table
Definition: PNanoVDB.h:1152
pnanovdb_grid_type_constants_t::upper_off_max
pnanovdb_uint32_t upper_off_max
Definition: PNanoVDB.h:1137
pnanovdb_grid_type_constants_t::upper_off_ave
pnanovdb_uint32_t upper_off_ave
Definition: PNanoVDB.h:1138
pnanovdb_grid_type_constants_t::table_stride
pnanovdb_uint32_t table_stride
Definition: PNanoVDB.h:1133
pnanovdb_grid_type_constants_t::upper_off_table
pnanovdb_uint32_t upper_off_table
Definition: PNanoVDB.h:1140
pnanovdb_grid_type_constants_t::root_tile_size
pnanovdb_uint32_t root_tile_size
Definition: PNanoVDB.h:1135
pnanovdb_grid_type_constants_t::leaf_off_min
pnanovdb_uint32_t leaf_off_min
Definition: PNanoVDB.h:1148
pnanovdb_grid_type_constants_t::lower_size
pnanovdb_uint32_t lower_size
Definition: PNanoVDB.h:1147
pnanovdb_grid_type_constants_t::lower_off_min
pnanovdb_uint32_t lower_off_min
Definition: PNanoVDB.h:1142
pnanovdb_grid_type_constants_t::upper_size
pnanovdb_uint32_t upper_size
Definition: PNanoVDB.h:1141
pnanovdb_grid_type_constants_t::value_stride_bits
pnanovdb_uint32_t value_stride_bits
Definition: PNanoVDB.h:1132
pnanovdb_grid_type_constants_t::root_off_min
pnanovdb_uint32_t root_off_min
Definition: PNanoVDB.h:1127
pnanovdb_grid_type_constants_t::root_tile_off_value
pnanovdb_uint32_t root_tile_off_value
Definition: PNanoVDB.h:1134
pnanovdb_grid_type_constants_t::root_off_ave
pnanovdb_uint32_t root_off_ave
Definition: PNanoVDB.h:1129
pnanovdb_grid_type_constants_t::lower_off_stddev
pnanovdb_uint32_t lower_off_stddev
Definition: PNanoVDB.h:1145
pnanovdb_grid_type_constants_t::root_off_stddev
pnanovdb_uint32_t root_off_stddev
Definition: PNanoVDB.h:1130
pnanovdb_grid_type_constants_t::root_off_background
pnanovdb_uint32_t root_off_background
Definition: PNanoVDB.h:1126
pnanovdb_grid_type_constants_t::root_off_max
pnanovdb_uint32_t root_off_max
Definition: PNanoVDB.h:1128
pnanovdb_grid_type_constants_t::lower_off_table
pnanovdb_uint32_t lower_off_table
Definition: PNanoVDB.h:1146
pnanovdb_grid_type_constants_t::lower_off_max
pnanovdb_uint32_t lower_off_max
Definition: PNanoVDB.h:1143
pnanovdb_grid_type_constants_t::leaf_off_max
pnanovdb_uint32_t leaf_off_max
Definition: PNanoVDB.h:1149
pnanovdb_grid_type_constants_t::upper_off_stddev
pnanovdb_uint32_t upper_off_stddev
Definition: PNanoVDB.h:1139
pnanovdb_grid_type_constants_t::lower_off_ave
pnanovdb_uint32_t lower_off_ave
Definition: PNanoVDB.h:1144