| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // Copyright Contributors to the OpenVDB Project | ||
| 2 | // SPDX-License-Identifier: MPL-2.0 | ||
| 3 | |||
| 4 | #include <openvdb/Exceptions.h> | ||
| 5 | #include <openvdb/util/NodeMasks.h> | ||
| 6 | #include <openvdb/io/Compression.h> | ||
| 7 | |||
| 8 | #include <gtest/gtest.h> | ||
| 9 | |||
| 10 | using openvdb::Index; | ||
| 11 | |||
| 12 | template<typename MaskType> void TestAll(); | ||
| 13 | |||
| 14 | 5 | class TestNodeMask: public ::testing::Test | |
| 15 | { | ||
| 16 | }; | ||
| 17 | |||
| 18 | |||
| 19 | template<typename MaskType> | ||
| 20 | 8 | void TestAll() | |
| 21 | { | ||
| 22 | EXPECT_TRUE(MaskType::memUsage() == MaskType::SIZE/8); | ||
| 23 | const Index SIZE = MaskType::SIZE > 512 ? 512 : MaskType::SIZE; | ||
| 24 | |||
| 25 | {// default constructor | ||
| 26 | MaskType m;//all bits are off | ||
| 27 |
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4392 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(m.isOff(i)); |
| 28 |
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2200 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(!m.isOn(i)); |
| 29 |
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8 | EXPECT_TRUE(m.isOff()); |
| 30 |
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8 | EXPECT_TRUE(!m.isOn()); |
| 31 |
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8 | EXPECT_TRUE(m.countOn() == 0); |
| 32 |
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8 | EXPECT_TRUE(m.countOff()== MaskType::SIZE); |
| 33 | m.toggle();//all bits are on | ||
| 34 |
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8 | EXPECT_TRUE(m.isOn()); |
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8 | EXPECT_TRUE(!m.isOff()); |
| 36 |
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8 | EXPECT_TRUE(m.countOn() == MaskType::SIZE); |
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8 | EXPECT_TRUE(m.countOff()== 0); |
| 38 |
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4392 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(!m.isOff(i)); |
| 39 |
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2200 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(m.isOn(i)); |
| 40 | } | ||
| 41 | {// On constructor | ||
| 42 | MaskType m(true);//all bits are on | ||
| 43 |
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4 | EXPECT_TRUE(m.isOn()); |
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4 | EXPECT_TRUE(!m.isOff()); |
| 45 |
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4 | EXPECT_TRUE(m.countOn() == MaskType::SIZE); |
| 46 |
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4 | EXPECT_TRUE(m.countOff()== 0); |
| 47 |
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4392 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(!m.isOff(i)); |
| 48 |
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2200 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(m.isOn(i)); |
| 49 | m.toggle(); | ||
| 50 |
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4392 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(m.isOff(i)); |
| 51 |
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2200 | for (Index i=0; i<SIZE; ++i) EXPECT_TRUE(!m.isOn(i)); |
| 52 |
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8 | EXPECT_TRUE(m.isOff()); |
| 53 |
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8 | EXPECT_TRUE(!m.isOn()); |
| 54 |
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8 | EXPECT_TRUE(m.countOn() == 0); |
| 55 |
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8 | EXPECT_TRUE(m.countOff()== MaskType::SIZE); |
| 56 | } | ||
| 57 | {// Off constructor | ||
| 58 | MaskType m(false); | ||
| 59 |
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4 | EXPECT_TRUE(m.isOff()); |
| 60 |
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4 | EXPECT_TRUE(!m.isOn()); |
| 61 |
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4 | EXPECT_TRUE(m.countOn() == 0); |
| 62 |
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4 | EXPECT_TRUE(m.countOff()== MaskType::SIZE); |
| 63 | m.setOn(); | ||
| 64 |
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4 | EXPECT_TRUE(m.isOn()); |
| 65 |
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4 | EXPECT_TRUE(!m.isOff()); |
| 66 |
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4 | EXPECT_TRUE(m.countOn() == MaskType::SIZE); |
| 67 |
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4 | EXPECT_TRUE(m.countOff()== 0); |
| 68 | 4 | m = MaskType();//copy asignment | |
| 69 |
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4 | EXPECT_TRUE(m.isOff()); |
| 70 |
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4 | EXPECT_TRUE(!m.isOn()); |
| 71 |
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4 | EXPECT_TRUE(m.countOn() == 0); |
| 72 |
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4 | EXPECT_TRUE(m.countOff()== MaskType::SIZE); |
| 73 | } | ||
| 74 | {// test setOn, setOff, findFirstOn and findFiratOff | ||
| 75 | MaskType m; | ||
| 76 |
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2200 | for (Index i=0; i<SIZE; ++i) { |
| 77 | 2192 | m.setOn(i); | |
| 78 |
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2192 | EXPECT_TRUE(m.countOn() == 1); |
| 79 |
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2192 | EXPECT_TRUE(m.findFirstOn() == i); |
| 80 |
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4376 | EXPECT_TRUE(m.findFirstOff() == (i==0 ? 1 : 0)); |
| 81 |
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1059088 | for (Index j=0; j<SIZE; ++j) { |
| 82 |
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2111600 | EXPECT_TRUE( i==j ? m.isOn(j) : m.isOff(j) ); |
| 83 | } | ||
| 84 | 2192 | m.setOff(i); | |
| 85 |
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2192 | EXPECT_TRUE(m.countOn() == 0); |
| 86 |
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2192 | EXPECT_TRUE(m.findFirstOn() == MaskType::SIZE); |
| 87 | } | ||
| 88 | } | ||
| 89 | {// OnIterator | ||
| 90 | MaskType m; | ||
| 91 |
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2200 | for (Index i=0; i<SIZE; ++i) { |
| 92 | 2192 | m.setOn(i); | |
| 93 |
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6576 | for (typename MaskType::OnIterator iter=m.beginOn(); iter; ++iter) { |
| 94 |
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2192 | EXPECT_TRUE( iter.pos() == i ); |
| 95 | } | ||
| 96 |
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2192 | EXPECT_TRUE(m.countOn() == 1); |
| 97 | 2192 | m.setOff(i); | |
| 98 |
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2192 | EXPECT_TRUE(m.countOn() == 0); |
| 99 | } | ||
| 100 | } | ||
| 101 | {// OffIterator | ||
| 102 | MaskType m(true); | ||
| 103 |
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2200 | for (Index i=0; i<SIZE; ++i) { |
| 104 | 2192 | m.setOff(i); | |
| 105 |
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2192 | EXPECT_TRUE(m.countOff() == 1); |
| 106 |
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6576 | for (typename MaskType::OffIterator iter=m.beginOff(); iter; ++iter) { |
| 107 |
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2192 | EXPECT_TRUE( iter.pos() == i ); |
| 108 | } | ||
| 109 |
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2192 | EXPECT_TRUE(m.countOn() == MaskType::SIZE-1); |
| 110 | 2192 | m.setOn(i); | |
| 111 |
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2192 | EXPECT_TRUE(m.countOff() == 0); |
| 112 |
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2192 | EXPECT_TRUE(m.countOn() == MaskType::SIZE); |
| 113 | } | ||
| 114 | } | ||
| 115 | {// isConstant | ||
| 116 | MaskType m(true);//all bits are on | ||
| 117 | bool isOn = false; | ||
| 118 |
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4 | EXPECT_TRUE(!m.isOff()); |
| 119 |
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4 | EXPECT_TRUE(m.isOn()); |
| 120 |
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4 | EXPECT_TRUE(m.isConstant(isOn)); |
| 121 |
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4 | EXPECT_TRUE(isOn); |
| 122 | m.setOff(MaskType::SIZE-1);//sets last bit off | ||
| 123 |
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4 | EXPECT_TRUE(!m.isOff()); |
| 124 |
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4 | EXPECT_TRUE(!m.isOn()); |
| 125 |
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4 | EXPECT_TRUE(!m.isConstant(isOn)); |
| 126 | m.setOff();//sets all bits off | ||
| 127 |
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4 | EXPECT_TRUE(m.isOff()); |
| 128 |
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4 | EXPECT_TRUE(!m.isOn()); |
| 129 |
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4 | EXPECT_TRUE(m.isConstant(isOn)); |
| 130 |
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4 | EXPECT_TRUE(!isOn); |
| 131 | } | ||
| 132 | {// DenseIterator | ||
| 133 | MaskType m(false); | ||
| 134 |
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2200 | for (Index i=0; i<SIZE; ++i) { |
| 135 | 2192 | m.setOn(i); | |
| 136 |
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2192 | EXPECT_TRUE(m.countOn() == 1); |
| 137 |
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4731296 | for (typename MaskType::DenseIterator iter=m.beginDense(); iter; ++iter) { |
| 138 |
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9453824 | EXPECT_TRUE( iter.pos()==i ? *iter : !*iter ); |
| 139 | } | ||
| 140 | 2192 | m.setOff(i); | |
| 141 |
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2192 | EXPECT_TRUE(m.countOn() == 0); |
| 142 | } | ||
| 143 | } | ||
| 144 | 8 | } | |
| 145 | |||
| 146 |
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2 | TEST_F(TestNodeMask, testCompress) |
| 147 | { | ||
| 148 | using namespace openvdb; | ||
| 149 | |||
| 150 | using ValueT = int; | ||
| 151 | using MaskT = openvdb::util::NodeMask<1>; | ||
| 152 | |||
| 153 | { // no inactive values | ||
| 154 | MaskT valueMask(true); | ||
| 155 | MaskT childMask; | ||
| 156 |
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1 | std::vector<int> values = {0,1,2,3,4,5,6,7}; |
| 157 | 1 | int background = 0; | |
| 158 | |||
| 159 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(8)); |
| 160 |
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1 | EXPECT_EQ(childMask.countOn(), Index32(0)); |
| 161 | |||
| 162 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 163 | 1 | valueMask, childMask, values.data(), background); | |
| 164 | |||
| 165 |
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1 | EXPECT_EQ(maskCompress.metadata, int8_t(openvdb::io::NO_MASK_OR_INACTIVE_VALS)); |
| 166 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], background); |
| 167 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 168 | } | ||
| 169 | |||
| 170 | { // all inactive values are +background | ||
| 171 | MaskT valueMask; | ||
| 172 | MaskT childMask; | ||
| 173 |
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1 | std::vector<int> values = {10,10,10,10,10,10,10,10}; |
| 174 | 1 | int background = 10; | |
| 175 | |||
| 176 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(0)); |
| 177 | |||
| 178 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 179 | 1 | valueMask, childMask, values.data(), background); | |
| 180 | |||
| 181 |
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1 | EXPECT_EQ(maskCompress.metadata, int8_t(openvdb::io::NO_MASK_OR_INACTIVE_VALS)); |
| 182 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], background); |
| 183 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 184 | } | ||
| 185 | |||
| 186 | { // all inactive values are -background | ||
| 187 | MaskT valueMask; | ||
| 188 | MaskT childMask; | ||
| 189 |
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1 | std::vector<int> values = {-10,-10,-10,-10,-10,-10,-10,-10}; |
| 190 | 1 | int background = 10; | |
| 191 | |||
| 192 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(0)); |
| 193 | |||
| 194 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 195 | 1 | valueMask, childMask, values.data(), background); | |
| 196 | |||
| 197 |
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1 | EXPECT_EQ(maskCompress.metadata, int8_t(openvdb::io::NO_MASK_AND_MINUS_BG)); |
| 198 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], -background); |
| 199 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 200 | } | ||
| 201 | |||
| 202 | { // all inactive vals have the same non-background val | ||
| 203 | MaskT valueMask(true); | ||
| 204 | MaskT childMask; | ||
| 205 |
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1 | std::vector<int> values = {0,1,500,500,4,500,500,7}; |
| 206 |
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1 | int background = 10; |
| 207 | |||
| 208 | valueMask.setOff(2); | ||
| 209 | valueMask.setOff(3); | ||
| 210 | valueMask.setOff(5); | ||
| 211 | valueMask.setOff(6); | ||
| 212 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(4)); |
| 213 | |||
| 214 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 215 | 1 | valueMask, childMask, values.data(), background); | |
| 216 | |||
| 217 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::NO_MASK_AND_ONE_INACTIVE_VAL)); |
| 218 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 500); |
| 219 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 220 | } | ||
| 221 | |||
| 222 | { // mask selects between -background and +background | ||
| 223 | MaskT valueMask; | ||
| 224 | MaskT childMask; | ||
| 225 |
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1 | std::vector<int> values = {0,10,10,-10,4,10,-10,10}; |
| 226 |
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1 | int background = 10; |
| 227 | |||
| 228 | valueMask.setOn(0); | ||
| 229 | valueMask.setOn(4); | ||
| 230 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 231 | |||
| 232 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 233 | 1 | valueMask, childMask, values.data(), background); | |
| 234 | |||
| 235 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_NO_INACTIVE_VALS)); |
| 236 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], -background); |
| 237 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 238 | } | ||
| 239 | |||
| 240 | { // mask selects between -background and +background | ||
| 241 | MaskT valueMask; | ||
| 242 | MaskT childMask; | ||
| 243 |
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1 | std::vector<int> values = {0,-10,-10,10,4,-10,10,-10}; |
| 244 |
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1 | int background = 10; |
| 245 | |||
| 246 | valueMask.setOn(0); | ||
| 247 | valueMask.setOn(4); | ||
| 248 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 249 | |||
| 250 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 251 | 1 | valueMask, childMask, values.data(), background); | |
| 252 | |||
| 253 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_NO_INACTIVE_VALS)); |
| 254 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], -background); |
| 255 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 256 | } | ||
| 257 | |||
| 258 | { // mask selects between backgd and one other inactive val | ||
| 259 | MaskT valueMask; | ||
| 260 | MaskT childMask; | ||
| 261 |
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1 | std::vector<int> values = {0,500,500,10,4,500,10,500}; |
| 262 |
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1 | int background = 10; |
| 263 | |||
| 264 | valueMask.setOn(0); | ||
| 265 | valueMask.setOn(4); | ||
| 266 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 267 | |||
| 268 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 269 | 1 | valueMask, childMask, values.data(), background); | |
| 270 | |||
| 271 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_ONE_INACTIVE_VAL)); |
| 272 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 500); |
| 273 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], background); |
| 274 | } | ||
| 275 | |||
| 276 | { // mask selects between two non-background inactive vals | ||
| 277 | MaskT valueMask; | ||
| 278 | MaskT childMask; | ||
| 279 |
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1 | std::vector<int> values = {0,500,500,2000,4,500,2000,500}; |
| 280 |
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1 | int background = 10; |
| 281 | |||
| 282 | valueMask.setOn(0); | ||
| 283 | valueMask.setOn(4); | ||
| 284 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 285 | |||
| 286 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 287 | 1 | valueMask, childMask, values.data(), background); | |
| 288 | |||
| 289 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_TWO_INACTIVE_VALS)); |
| 290 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 500); // first unique value |
| 291 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], 2000); // second unique value |
| 292 | } | ||
| 293 | |||
| 294 | { // mask selects between two non-background inactive vals | ||
| 295 | MaskT valueMask; | ||
| 296 | MaskT childMask; | ||
| 297 |
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1 | std::vector<int> values = {0,2000,2000,500,4,2000,500,2000}; |
| 298 |
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1 | int background = 10; |
| 299 | |||
| 300 | valueMask.setOn(0); | ||
| 301 | valueMask.setOn(4); | ||
| 302 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 303 | |||
| 304 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 305 | 1 | valueMask, childMask, values.data(), background); | |
| 306 | |||
| 307 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_TWO_INACTIVE_VALS)); |
| 308 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 2000); // first unique value |
| 309 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], 500); // second unique value |
| 310 | } | ||
| 311 | |||
| 312 | { // > 2 inactive vals, so no mask compression at all | ||
| 313 | MaskT valueMask; | ||
| 314 | MaskT childMask; | ||
| 315 |
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1 | std::vector<int> values = {0,1000,2000,3000,4,2000,500,2000}; |
| 316 |
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1 | int background = 10; |
| 317 | |||
| 318 | valueMask.setOn(0); | ||
| 319 | valueMask.setOn(4); | ||
| 320 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 321 | |||
| 322 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 323 | 1 | valueMask, childMask, values.data(), background); | |
| 324 | |||
| 325 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::NO_MASK_AND_ALL_VALS)); |
| 326 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 1000); // first unique value |
| 327 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], 2000); // second unique value |
| 328 | } | ||
| 329 | |||
| 330 | { // mask selects between two non-background inactive vals (selective child mask) | ||
| 331 | MaskT valueMask; | ||
| 332 | MaskT childMask; | ||
| 333 |
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1 | std::vector<int> values = {0,1000,2000,3000,4,2000,500,2000}; |
| 334 |
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1 | int background = 0; |
| 335 | |||
| 336 | valueMask.setOn(0); | ||
| 337 | valueMask.setOn(4); | ||
| 338 |
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1 | EXPECT_EQ(valueMask.countOn(), Index32(2)); |
| 339 | |||
| 340 | childMask.setOn(3); | ||
| 341 | childMask.setOn(6); | ||
| 342 |
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1 | EXPECT_EQ(childMask.countOn(), Index32(2)); |
| 343 | |||
| 344 | openvdb::io::MaskCompress<ValueT, MaskT> maskCompress( | ||
| 345 | 1 | valueMask, childMask, values.data(), background); | |
| 346 | |||
| 347 |
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1 | EXPECT_EQ(int(maskCompress.metadata), int(openvdb::io::MASK_AND_TWO_INACTIVE_VALS)); |
| 348 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[0], 1000); // first unique value |
| 349 |
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1 | EXPECT_EQ(maskCompress.inactiveVal[1], 2000); // secone unique value |
| 350 | } | ||
| 351 | 1 | } | |
| 352 | |||
| 353 |
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2 | TEST_F(TestNodeMask, testAll4) { TestAll<openvdb::util::NodeMask<4> >(); } |
| 354 |
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2 | TEST_F(TestNodeMask, testAll3) { TestAll<openvdb::util::NodeMask<3> >(); } |
| 355 |
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2 | TEST_F(TestNodeMask, testAll2) { TestAll<openvdb::util::NodeMask<2> >(); } |
| 356 |
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2 | TEST_F(TestNodeMask, testAll1) { TestAll<openvdb::util::NodeMask<1> >(); } |
| 357 |