1 // Copyright 2018 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 #ifndef VK_INSTANCE_HPP_ 16 #define VK_INSTANCE_HPP_ 17 18 #include "VkObject.hpp" 19 20 namespace vk 21 { 22 23 class Instance 24 { 25 public: 26 struct CreateInfo 27 { 28 const VkInstanceCreateInfo* pCreateInfo; 29 VkPhysicalDevice pPhysicalDevice; 30 }; 31 GetAllocationScope()32 static constexpr VkSystemAllocationScope GetAllocationScope() { return VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE; } 33 34 Instance(const CreateInfo* pCreateInfo, void* mem); 35 void destroy(const VkAllocationCallbacks* pAllocator); 36 ComputeRequiredAllocationSize(const CreateInfo *)37 static size_t ComputeRequiredAllocationSize(const CreateInfo*) { return 0; } 38 39 uint32_t getPhysicalDeviceCount() const; 40 void getPhysicalDevices(uint32_t pPhysicalDeviceCount, VkPhysicalDevice* pPhysicalDevices) const; 41 uint32_t getPhysicalDeviceGroupCount() const; 42 void getPhysicalDeviceGroups(uint32_t pPhysicalDeviceGroupCount, 43 VkPhysicalDeviceGroupProperties* pPhysicalDeviceGroupProperties) const; 44 private: 45 uint32_t physicalDeviceCount = 0; 46 VkPhysicalDevice physicalDevice = VK_NULL_HANDLE; 47 uint32_t physicalDeviceGroupCount = 1; 48 }; 49 50 using DispatchableInstance = DispatchableObject<Instance, VkInstance>; 51 Cast(VkInstance object)52static inline Instance* Cast(VkInstance object) 53 { 54 return DispatchableInstance::Cast(object); 55 } 56 57 } // namespace vk 58 59 #endif // VK_INSTANCE_HPP_ 60