1 #ifndef _VKDEVICEFEATURES_HPP
2 #define _VKDEVICEFEATURES_HPP
3 /*-------------------------------------------------------------------------
4 * Vulkan CTS Framework
5 * --------------------
6 *
7 * Copyright (c) 2019 The Khronos Group Inc.
8 *
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 * http://www.apache.org/licenses/LICENSE-2.0
14 *
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 *
21 *//*!
22 * \file
23 * \brief Vulkan DeviceFeatures class utility.
24 *//*--------------------------------------------------------------------*/
25
26 #include <map>
27 #include <string>
28 #include <utility>
29 #include <vector>
30
31 #include "deMemory.h"
32 #include "vkDefs.hpp"
33
34 namespace vk
35 {
36
37 // Structure describing vulkan feature structure
38 struct FeatureDesc
39 {
40 VkStructureType sType;
41 const char* name;
42 const deUint32 specVersion;
43 const deUint32 typeId;
44 };
45
46 // Structure containg all feature blobs - this simplifies generated code
47 struct AllFeaturesBlobs
48 {
49 VkPhysicalDeviceVulkan11Features& vk11;
50 VkPhysicalDeviceVulkan12Features& vk12;
51 // add blobs from future vulkan versions here
52 };
53
54 // Base class for all FeatureStructWrapper specializations
55 class FeatureStructWrapperBase
56 {
57 public:
~FeatureStructWrapperBase(void)58 virtual ~FeatureStructWrapperBase (void) {}
59 virtual void initializeFeatureFromBlob (const AllFeaturesBlobs& allFeaturesBlobs) = 0;
60 virtual deUint32 getFeatureTypeId (void) const = 0;
61 virtual FeatureDesc getFeatureDesc (void) const = 0;
62 virtual void** getFeatureTypeNext (void) = 0;
63 virtual void* getFeatureTypeRaw (void) = 0;
64 };
65
66 using FeatureStructWrapperCreator = FeatureStructWrapperBase* (*) (void);
67 struct FeatureStructCreationData
68 {
69 FeatureStructWrapperCreator creatorFunction;
70 const char* name;
71 deUint32 specVersion;
72 };
73
74 template<class FeatureType> class FeatureStructWrapper;
75 template<class FeatureType> FeatureDesc makeFeatureDesc (void);
76
77 template<class FeatureType>
createFeatureStructWrapper(void)78 FeatureStructWrapperBase* createFeatureStructWrapper (void)
79 {
80 return new FeatureStructWrapper<FeatureType>(makeFeatureDesc<FeatureType>());
81 }
82
83 template<class FeatureType>
84 void initFeatureFromBlob(FeatureType& featureType, const AllFeaturesBlobs& allFeaturesBlobs);
85
86 template<class FeatureType>
initFeatureFromBlobWrapper(FeatureType & featureType,const AllFeaturesBlobs & allFeaturesBlobs)87 void initFeatureFromBlobWrapper(FeatureType& featureType, const AllFeaturesBlobs& allFeaturesBlobs)
88 {
89 initFeatureFromBlob<FeatureType>(featureType, allFeaturesBlobs);
90 }
91
92 class DeviceFeatures
93 {
94 public:
95 DeviceFeatures (const InstanceInterface& vki,
96 const deUint32 apiVersion,
97 const VkPhysicalDevice physicalDevice,
98 const std::vector<std::string>& instanceExtensions,
99 const std::vector<std::string>& deviceExtensions);
100
101 ~DeviceFeatures (void);
102
103 template<class FeatureType>
104 const FeatureType& getFeatureType (void) const;
105
getCoreFeatures2(void) const106 const VkPhysicalDeviceFeatures2& getCoreFeatures2 (void) const { return m_coreFeatures2; }
getVulkan11Features(void) const107 const VkPhysicalDeviceVulkan11Features& getVulkan11Features (void) const { return m_vulkan11Features; }
getVulkan12Features(void) const108 const VkPhysicalDeviceVulkan12Features& getVulkan12Features (void) const { return m_vulkan12Features; }
109
110 bool contains (const std::string& feature, bool throwIfNotExists = false) const;
111
112 bool isDeviceFeatureInitialized (VkStructureType sType) const;
113
114 private:
115
116 static bool verifyFeatureAddCriteria (const FeatureStructCreationData& item, const std::vector<VkExtensionProperties>& properties);
117
118 private:
119
120 VkPhysicalDeviceFeatures2 m_coreFeatures2;
121 mutable std::vector<FeatureStructWrapperBase*> m_features;
122 VkPhysicalDeviceVulkan11Features m_vulkan11Features;
123 VkPhysicalDeviceVulkan12Features m_vulkan12Features;
124 };
125
126 template<class FeatureType>
getFeatureType(void) const127 const FeatureType& DeviceFeatures::getFeatureType(void) const
128 {
129 typedef FeatureStructWrapper<FeatureType>* FeatureWrapperPtr;
130
131 const FeatureDesc featDesc = makeFeatureDesc<FeatureType>();
132 const VkStructureType sType = featDesc.sType;
133
134 // try to find feature by sType
135 for (auto feature : m_features)
136 {
137 if (sType == feature->getFeatureDesc().sType)
138 return static_cast<FeatureWrapperPtr>(feature)->getFeatureTypeRef();
139 }
140
141 // try to find feature by id that was assigned by gen_framework script
142 const deUint32 featureId = featDesc.typeId;
143 for (auto feature : m_features)
144 {
145 if (featureId == feature->getFeatureTypeId())
146 return static_cast<FeatureWrapperPtr>(feature)->getFeatureTypeRef();
147 }
148
149 // if initialized feature structure was not found create empty one and return it
150 m_features.push_back(vk::createFeatureStructWrapper<FeatureType>());
151 return static_cast<FeatureWrapperPtr>(m_features.back())->getFeatureTypeRef();
152 }
153
154 template<class FeatureType>
155 class FeatureStructWrapper : public FeatureStructWrapperBase
156 {
157 public:
FeatureStructWrapper(const FeatureDesc & featureDesc)158 FeatureStructWrapper (const FeatureDesc& featureDesc)
159 : m_featureDesc(featureDesc)
160 {
161 deMemset(&m_featureType, 0, sizeof(m_featureType));
162 m_featureType.sType = featureDesc.sType;
163 }
164
initializeFeatureFromBlob(const AllFeaturesBlobs & allFeaturesBlobs)165 void initializeFeatureFromBlob (const AllFeaturesBlobs& allFeaturesBlobs)
166 {
167 initFeatureFromBlobWrapper(m_featureType, allFeaturesBlobs);
168 }
169
getFeatureTypeId(void) const170 deUint32 getFeatureTypeId (void) const { return m_featureDesc.typeId; }
getFeatureDesc(void) const171 FeatureDesc getFeatureDesc (void) const { return m_featureDesc; }
getFeatureTypeNext(void)172 void** getFeatureTypeNext (void) { return &m_featureType.pNext; }
getFeatureTypeRaw(void)173 void* getFeatureTypeRaw (void) { return &m_featureType; }
getFeatureTypeRef(void)174 FeatureType& getFeatureTypeRef (void) { return m_featureType; }
175
176 public:
177 // metadata about feature structure
178 const FeatureDesc m_featureDesc;
179
180 // actual vulkan feature structure
181 FeatureType m_featureType;
182 };
183
184 } // vk
185
186 #endif // _VKDEVICEFEATURES_HPP
187