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_DEVICE_MEMORY_HPP_ 16 #define VK_DEVICE_MEMORY_HPP_ 17 18 #include "VkObject.hpp" 19 20 namespace vk 21 { 22 23 class DeviceMemory : public Object<DeviceMemory, VkDeviceMemory> 24 { 25 public: 26 DeviceMemory(const VkMemoryAllocateInfo* pCreateInfo, void* mem); 27 ~DeviceMemory() = delete; 28 29 static size_t ComputeRequiredAllocationSize(const VkMemoryAllocateInfo* pCreateInfo); 30 31 void destroy(const VkAllocationCallbacks* pAllocator); 32 VkResult allocate(); 33 VkResult map(VkDeviceSize offset, VkDeviceSize size, void** ppData); 34 VkDeviceSize getCommittedMemoryInBytes() const; 35 void* getOffsetPointer(VkDeviceSize pOffset); getMemoryTypeIndex() const36 uint32_t getMemoryTypeIndex() const { return memoryTypeIndex; } 37 38 private: 39 void* buffer = nullptr; 40 VkDeviceSize size = 0; 41 uint32_t memoryTypeIndex = 0; 42 }; 43 Cast(VkDeviceMemory object)44static inline DeviceMemory* Cast(VkDeviceMemory object) 45 { 46 return reinterpret_cast<DeviceMemory*>(object); 47 } 48 49 50 } // namespace vk 51 52 #endif // VK_DEVICE_MEMORY_HPP_ 53