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
20namespace vk
21{
22
23class DeviceMemory;
24
25class Buffer : public Object<Buffer, VkBuffer>
26{
27public:
28 Buffer(const VkBufferCreateInfo* pCreateInfo, void* mem);
29 void destroy(const VkAllocationCallbacks* pAllocator);
30
31 static size_t ComputeRequiredAllocationSize(const VkBufferCreateInfo* pCreateInfo);
32
33 const VkMemoryRequirements getMemoryRequirements() const;
34 void bind(DeviceMemory* pDeviceMemory, VkDeviceSize pMemoryOffset);
35 void copyFrom(const void* srcMemory, VkDeviceSize size, VkDeviceSize offset);
36 void copyTo(void* dstMemory, VkDeviceSize size, VkDeviceSize offset) const;
37 void copyTo(Buffer* dstBuffer, const VkBufferCopy& pRegion) const;
38 void fill(VkDeviceSize dstOffset, VkDeviceSize fillSize, uint32_t data);
39 void update(VkDeviceSize dstOffset, VkDeviceSize dataSize, const void* pData);
40 void* getOffsetPointer(VkDeviceSize offset) const;
41 inline VkDeviceSize getSize() const { return size; }
42 uint8_t* end() const;
43 bool canBindToMemory(DeviceMemory* pDeviceMemory) const;
44
45private:
46 void* memory = nullptr;
47 VkBufferCreateFlags flags = 0;
48 VkDeviceSize size = 0;
49 VkBufferUsageFlags usage = 0;
50 VkSharingMode sharingMode = VK_SHARING_MODE_EXCLUSIVE;
51 uint32_t queueFamilyIndexCount = 0;
52 uint32_t* queueFamilyIndices = nullptr;
53
54 VkExternalMemoryHandleTypeFlags supportedExternalMemoryHandleTypes = (VkExternalMemoryHandleTypeFlags)0;
55};
56
57static inline Buffer* Cast(VkBuffer object)
58{
59 return Buffer::Cast(object);
60}
61
62} // namespace vk
63
64#endif // VK_BUFFER_HPP_
65