1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef SRC_VULKAN_RESOURCE_H_
#define SRC_VULKAN_RESOURCE_H_
#include <memory>
#include <vector>
#include "amber/result.h"
#include "amber/value.h"
#include "amber/vulkan_header.h"
namespace amber {
namespace vulkan {
class CommandBuffer;
class Device;
class TransferBuffer;
class TransferImage;
// Class for Vulkan resources. Its children are Vulkan Buffer and Vulkan Image.
class Resource {
public:
virtual ~Resource();
/// Records a command on |command_buffer| to copy the buffer contents from the
/// host to the device.
virtual void CopyToDevice(CommandBuffer* command_buffer) = 0;
/// Records a command on |command_buffer| to copy the buffer contents from the
/// device to the host.
virtual void CopyToHost(CommandBuffer* command_buffer) = 0;
void* HostAccessibleMemoryPtr() const { return memory_ptr_; }
uint32_t GetSizeInBytes() const { return size_in_bytes_; }
void UpdateMemoryWithRawData(const std::vector<uint8_t>& raw_data);
bool IsReadOnly() const { return is_read_only_; }
void SetReadOnly(bool read_only) { is_read_only_ = read_only; }
virtual Result Initialize() = 0;
virtual TransferBuffer* AsTransferBuffer() { return nullptr; }
virtual TransferImage* AsTransferImage() { return nullptr; }
protected:
Resource(Device* device, uint32_t size);
Result CreateVkBuffer(VkBuffer* buffer, VkBufferUsageFlags usage);
Result AllocateAndBindMemoryToVkBuffer(VkBuffer buffer,
VkDeviceMemory* memory,
VkMemoryPropertyFlags flags,
bool force_flags,
uint32_t* memory_type_index);
Result MapMemory(VkDeviceMemory memory);
void UnMapMemory(VkDeviceMemory memory);
void SetMemoryPtr(void* ptr) { memory_ptr_ = ptr; }
/// Records a memory barrier on |command_buffer|, to ensure prior writes to
/// this buffer have completed and are available to subsequent commands.
void MemoryBarrier(CommandBuffer* command_buffer);
/// Returns a memory index for the given Vulkan device, for a memory type
/// which has the given |flags| set. If no memory is found with the given
/// |flags| set then the first non-zero memory index is returned. If
/// |require_flags_found| is true then if no memory is found with the given
/// |flags| then the maximum uint32_t value is returned instead of the
/// first non-zero memory index.
uint32_t ChooseMemory(uint32_t memory_type_bits,
VkMemoryPropertyFlags flags,
bool require_flags_found);
Result AllocateMemory(VkDeviceMemory* memory,
VkDeviceSize size,
uint32_t memory_type_index);
Device* device_ = nullptr;
private:
uint32_t size_in_bytes_ = 0;
void* memory_ptr_ = nullptr;
bool is_read_only_ = false;
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_RESOURCE_H_
|
