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_BUFFER_HPP_
16 #define VK_BUFFER_HPP_
17
18 #include "VkObject.hpp"
19
20 namespace vk
21 {
22
23 class Buffer : public Object<Buffer, VkBuffer>
24 {
25 public:
26 Buffer(const VkBufferCreateInfo* pCreateInfo, void* mem);
27 ~Buffer() = delete;
28 void destroy(const VkAllocationCallbacks* pAllocator);
29
30 static size_t ComputeRequiredAllocationSize(const VkBufferCreateInfo* pCreateInfo);
31
32 const VkMemoryRequirements getMemoryRequirements() const;
33 void bind(VkDeviceMemory pDeviceMemory, VkDeviceSize pMemoryOffset);
34 void copyFrom(const void* srcMemory, VkDeviceSize size, VkDeviceSize offset);
35 void copyTo(void* dstMemory, VkDeviceSize size, VkDeviceSize offset) const;
36 void copyTo(Buffer* dstBuffer, const VkBufferCopy& pRegion) const;
37 void fill(VkDeviceSize dstOffset, VkDeviceSize fillSize, uint32_t data);
38 void update(VkDeviceSize dstOffset, VkDeviceSize dataSize, const void* pData);
39 void* getOffsetPointer(VkDeviceSize offset) const;
40
41 private:
42 void* memory = nullptr;
43 VkBufferCreateFlags flags = 0;
44 VkDeviceSize size = 0;
45 VkBufferUsageFlags usage = 0;
46 VkSharingMode sharingMode = VK_SHARING_MODE_EXCLUSIVE;
47 uint32_t queueFamilyIndexCount = 0;
48 uint32_t* queueFamilyIndices = nullptr;
49 };
50
Cast(VkBuffer object)51 static inline Buffer* Cast(VkBuffer object)
52 {
53 return reinterpret_cast<Buffer*>(object);
54 }
55
56 } // namespace vk
57
58 #endif // VK_BUFFER_HPP_
59