1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program Random Shader Generator
3 * ----------------------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Variable Value class.
22 *//*--------------------------------------------------------------------*/
23
24 #include "rsgVariableValue.hpp"
25
26 namespace rsg
27 {
28
29 namespace
30 {
31
32 template <class CompareOp>
compareValueRangesAllTrue(const ConstValueRangeAccess & a,const ConstValueRangeAccess & b)33 bool compareValueRangesAllTrue (const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
34 {
35 DE_ASSERT(a.getType() == b.getType());
36
37 if (a.getType().isStruct())
38 {
39 int numMembers = (int)a.getType().getMembers().size();
40 for (int ndx = 0; ndx < numMembers; ndx++)
41 {
42 if (!compareValueRangesAllTrue<CompareOp>(a.member(ndx), b.member(ndx)))
43 return false;
44 }
45 }
46 else if (a.getType().isArray())
47 {
48 int numElements = (int)a.getType().getNumElements();
49 for (int ndx = 0; ndx < numElements; ndx++)
50 {
51 if (!compareValueRangesAllTrue<CompareOp>(a.arrayElement(ndx), b.arrayElement(ndx)))
52 return false;
53 }
54 }
55 else
56 {
57 int numElements = (int)a.getType().getNumElements();
58 switch (a.getType().getBaseType())
59 {
60 case VariableType::TYPE_FLOAT:
61 for (int ndx = 0; ndx < numElements; ndx++)
62 {
63 float aMin = a.component(ndx).getMin().asFloat();
64 float aMax = a.component(ndx).getMax().asFloat();
65 float bMin = b.component(ndx).getMin().asFloat();
66 float bMax = b.component(ndx).getMax().asFloat();
67
68 if (!CompareOp()(aMin, aMax, bMin, bMax))
69 return false;
70 }
71 break;
72
73 case VariableType::TYPE_INT:
74 case VariableType::TYPE_SAMPLER_2D:
75 case VariableType::TYPE_SAMPLER_CUBE:
76 for (int ndx = 0; ndx < numElements; ndx++)
77 {
78 int aMin = a.component(ndx).getMin().asInt();
79 int aMax = a.component(ndx).getMax().asInt();
80 int bMin = b.component(ndx).getMin().asInt();
81 int bMax = b.component(ndx).getMax().asInt();
82
83 if (!CompareOp()(aMin, aMax, bMin, bMax))
84 return false;
85 }
86 break;
87
88 case VariableType::TYPE_BOOL:
89 for (int ndx = 0; ndx < numElements; ndx++)
90 {
91 bool aMin = a.component(ndx).getMin().asBool();
92 bool aMax = a.component(ndx).getMax().asBool();
93 bool bMin = b.component(ndx).getMin().asBool();
94 bool bMax = b.component(ndx).getMax().asBool();
95
96 if (!CompareOp()(aMin, aMax, bMin, bMax))
97 return false;
98 }
99 break;
100
101 default:
102 DE_ASSERT(DE_FALSE);
103 return false;
104 }
105 }
106
107 return true;
108 }
109
toInt(bool boolVal)110 inline int toInt (bool boolVal) { return boolVal ? 1 : 0; }
111
112 struct CompareIntersection
113 {
operator ()rsg::__anon32a606000111::CompareIntersection114 inline bool operator() (float aMin, float aMax, float bMin, float bMax) const { return (aMin <= bMax && bMin <= aMax); }
operator ()rsg::__anon32a606000111::CompareIntersection115 inline bool operator() (int aMin, int aMax, int bMin, int bMax) const { return (aMin <= bMax && bMin <= aMax); }
116
operator ()rsg::__anon32a606000111::CompareIntersection117 inline bool operator() (bool aMin, bool aMax, bool bMin, bool bMax) const
118 {
119 return CompareIntersection()(toInt(aMin), toInt(aMax), toInt(bMin), toInt(bMax));
120 }
121 };
122
123 struct CompareIsSubsetOf
124 {
operator ()rsg::__anon32a606000111::CompareIsSubsetOf125 inline bool operator() (float aMin, float aMax, float bMin, float bMax) const
126 {
127 return de::inRange(aMin, bMin, bMax) && de::inRange(aMax, bMin, bMax);
128 }
129
operator ()rsg::__anon32a606000111::CompareIsSubsetOf130 inline bool operator() (int aMin, int aMax, int bMin, int bMax) const
131 {
132 return de::inRange(aMin, bMin, bMax) && de::inRange(aMax, bMin, bMax);
133 }
134
operator ()rsg::__anon32a606000111::CompareIsSubsetOf135 inline bool operator() (bool aMin, bool aMax, bool bMin, bool bMax) const
136 {
137 return CompareIsSubsetOf()(toInt(aMin), toInt(aMax), toInt(bMin), toInt(bMax));
138 }
139 };
140
141 } // anonymous
142
intersects(const ConstValueRangeAccess & other) const143 bool ConstValueRangeAccess::intersects (const ConstValueRangeAccess& other) const
144 {
145 return compareValueRangesAllTrue<CompareIntersection>(*this, other);
146 }
147
isSubsetOf(const ConstValueRangeAccess & other) const148 bool ConstValueRangeAccess::isSubsetOf (const ConstValueRangeAccess& other) const
149 {
150 return compareValueRangesAllTrue<CompareIsSubsetOf>(*this, other);
151 }
152
isSupersetOf(const ConstValueRangeAccess & other) const153 bool ConstValueRangeAccess::isSupersetOf (const ConstValueRangeAccess& other) const
154 {
155 return other.isSubsetOf(*this);
156 }
157
ValueRange(const VariableType & type)158 ValueRange::ValueRange (const VariableType& type)
159 : m_type (type)
160 , m_min (type.getScalarSize())
161 , m_max (type.getScalarSize())
162 {
163 }
164
ValueRange(const VariableType & type,const ConstValueAccess & minVal,const ConstValueAccess & maxVal)165 ValueRange::ValueRange (const VariableType& type, const ConstValueAccess& minVal, const ConstValueAccess& maxVal)
166 : m_type (type)
167 , m_min (type.getScalarSize())
168 , m_max (type.getScalarSize())
169 {
170 getMin() = minVal.value();
171 getMax() = maxVal.value();
172 }
173
ValueRange(const VariableType & type,const Scalar * minVal,const Scalar * maxVal)174 ValueRange::ValueRange (const VariableType& type, const Scalar* minVal, const Scalar* maxVal)
175 : m_type (type)
176 , m_min (type.getScalarSize())
177 , m_max (type.getScalarSize())
178 {
179 getMin() = ConstValueAccess(type, minVal).value();
180 getMax() = ConstValueAccess(type, maxVal).value();
181 }
182
ValueRange(ConstValueRangeAccess other)183 ValueRange::ValueRange (ConstValueRangeAccess other)
184 : m_type (other.getType())
185 , m_min (other.getType().getScalarSize())
186 , m_max (other.getType().getScalarSize())
187 {
188 getMin() = other.getMin().value();
189 getMax() = other.getMax().value();
190 }
191
~ValueRange(void)192 ValueRange::~ValueRange (void)
193 {
194 }
195
computeIntersection(ValueRange & dst,const ConstValueRangeAccess & a,const ConstValueRangeAccess & b)196 void ValueRange::computeIntersection (ValueRange& dst, const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
197 {
198 computeIntersection(dst.asAccess(), a, b);
199 }
200
computeIntersection(ValueRangeAccess dst,const ConstValueRangeAccess & a,const ConstValueRangeAccess & b)201 void ValueRange::computeIntersection (ValueRangeAccess dst, const ConstValueRangeAccess& a, const ConstValueRangeAccess& b)
202 {
203 DE_ASSERT(dst.getType() == a.getType() && dst.getType() == b.getType());
204
205 if (a.getType().isStruct())
206 {
207 int numMembers = (int)a.getType().getMembers().size();
208 for (int ndx = 0; ndx < numMembers; ndx++)
209 computeIntersection(dst.member(ndx), a.member(ndx), b.member(ndx));
210 }
211 else if (a.getType().isArray())
212 {
213 int numElements = (int)a.getType().getNumElements();
214 for (int ndx = 0; ndx < numElements; ndx++)
215 computeIntersection(dst.arrayElement(ndx), a.arrayElement(ndx), b.arrayElement(ndx));
216 }
217 else
218 {
219 int numElements = (int)a.getType().getNumElements();
220 switch (a.getType().getBaseType())
221 {
222 case VariableType::TYPE_FLOAT:
223 for (int ndx = 0; ndx < numElements; ndx++)
224 {
225 float aMin = a.component(ndx).getMin().asFloat();
226 float aMax = a.component(ndx).getMax().asFloat();
227 float bMin = b.component(ndx).getMin().asFloat();
228 float bMax = b.component(ndx).getMax().asFloat();
229
230 dst.component(ndx).getMin() = de::max(aMin, bMin);
231 dst.component(ndx).getMax() = de::min(aMax, bMax);
232 }
233 break;
234
235 case VariableType::TYPE_INT:
236 case VariableType::TYPE_SAMPLER_2D:
237 case VariableType::TYPE_SAMPLER_CUBE:
238 for (int ndx = 0; ndx < numElements; ndx++)
239 {
240 int aMin = a.component(ndx).getMin().asInt();
241 int aMax = a.component(ndx).getMax().asInt();
242 int bMin = b.component(ndx).getMin().asInt();
243 int bMax = b.component(ndx).getMax().asInt();
244
245 dst.component(ndx).getMin() = de::max(aMin, bMin);
246 dst.component(ndx).getMax() = de::min(aMax, bMax);
247 }
248 break;
249
250 case VariableType::TYPE_BOOL:
251 for (int ndx = 0; ndx < numElements; ndx++)
252 {
253 bool aMin = a.component(ndx).getMin().asBool();
254 bool aMax = a.component(ndx).getMax().asBool();
255 bool bMin = b.component(ndx).getMin().asBool();
256 bool bMax = b.component(ndx).getMax().asBool();
257
258 dst.component(ndx).getMin() = aMin || bMin;
259 dst.component(ndx).getMax() = aMax && bMax;
260 }
261 break;
262
263 default:
264 DE_ASSERT(DE_FALSE);
265 }
266 }
267 }
268
VariableValue(const VariableValue & other)269 VariableValue::VariableValue (const VariableValue& other)
270 : m_variable(other.m_variable)
271 , m_storage(other.m_variable->getType())
272 {
273 m_storage.getValue(getType()) = other.getValue().value();
274 }
275
operator =(const VariableValue & other)276 VariableValue& VariableValue::operator= (const VariableValue& other)
277 {
278 m_variable = other.m_variable;
279 m_storage.setStorage(getType());
280 m_storage.getValue(getType()) = other.getValue().value();
281 return *this;
282 }
283
284 } // rsg
285