1 // Copyright 2020 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "VkSpecializationInfo.hpp"
16
17 #include "System/Memory.hpp"
18
19 #include <cstring>
20
21 namespace vk {
22
SpecializationInfo(const VkSpecializationInfo * specializationInfo)23 SpecializationInfo::SpecializationInfo(const VkSpecializationInfo *specializationInfo)
24 {
25 if(specializationInfo && specializationInfo->mapEntryCount > 0)
26 {
27 info.mapEntryCount = specializationInfo->mapEntryCount;
28 size_t entriesSize = specializationInfo->mapEntryCount * sizeof(VkSpecializationMapEntry);
29 void *mapEntries = sw::allocate(entriesSize);
30 memcpy(mapEntries, specializationInfo->pMapEntries, entriesSize);
31 info.pMapEntries = reinterpret_cast<VkSpecializationMapEntry *>(mapEntries);
32
33 info.dataSize = specializationInfo->dataSize;
34 void *data = sw::allocate(specializationInfo->dataSize);
35 memcpy(data, specializationInfo->pData, specializationInfo->dataSize);
36 info.pData = data;
37 }
38 }
39
SpecializationInfo(const SpecializationInfo & copy)40 SpecializationInfo::SpecializationInfo(const SpecializationInfo ©)
41 : SpecializationInfo(©.info)
42 {
43 }
44
~SpecializationInfo()45 SpecializationInfo::~SpecializationInfo()
46 {
47 sw::freeMemory(const_cast<VkSpecializationMapEntry *>(info.pMapEntries));
48 sw::freeMemory(const_cast<void *>(info.pData));
49 }
50
operator <(const SpecializationInfo & rhs) const51 bool SpecializationInfo::operator<(const SpecializationInfo &rhs) const
52 {
53 if(info.mapEntryCount != rhs.info.mapEntryCount)
54 {
55 return info.mapEntryCount < rhs.info.mapEntryCount;
56 }
57
58 if(info.dataSize != rhs.info.dataSize)
59 {
60 return info.dataSize < rhs.info.dataSize;
61 }
62
63 if(info.mapEntryCount > 0)
64 {
65 int cmp = memcmp(info.pMapEntries, rhs.info.pMapEntries, info.mapEntryCount * sizeof(VkSpecializationMapEntry));
66 if(cmp != 0)
67 {
68 return cmp < 0;
69 }
70 }
71
72 if(info.dataSize > 0)
73 {
74 int cmp = memcmp(info.pData, rhs.info.pData, info.dataSize);
75 if(cmp != 0)
76 {
77 return cmp < 0;
78 }
79 }
80
81 return false;
82 }
83
84 } // namespace vk
85