| Flutter Impeller |

device_buffer_vk.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_
7
8 #include <memory>
9
10 #include "impeller/base/backend_cast.h"
11 #include "impeller/core/device_buffer.h"
12 #include "impeller/renderer/backend/vulkan/resource_manager_vk.h"
13 #include "impeller/renderer/backend/vulkan/vma.h"
14
15 namespace impeller {
16
17 class DeviceBufferVK final : public DeviceBuffer,
18 public BackendCast<DeviceBufferVK, DeviceBuffer> {
19 public:
20 DeviceBufferVK(DeviceBufferDescriptor desc,
21 std::weak_ptr<Context> context,
22 UniqueBufferVMA buffer,
23 VmaAllocationInfo info);
24
25 // |DeviceBuffer|
26 ~DeviceBufferVK() override;
27
28 vk::Buffer GetBuffer() const;
29
30 private:
31 friend class AllocatorVK;
32
33 struct BufferResource {
34 UniqueBufferVMA buffer;
35 VmaAllocationInfo info = {};
36
37 BufferResource() = default;
38
39 BufferResource(UniqueBufferVMA p_buffer, VmaAllocationInfo p_info)
40 : buffer(std::move(p_buffer)), info(p_info) {}
41
42 BufferResource(BufferResource&& o) {
43 std::swap(o.buffer, buffer);
44 std::swap(o.info, info);
45 }
46
47 BufferResource(const BufferResource&) = delete;
48
49 BufferResource& operator=(const BufferResource&) = delete;
50 };
51
52 std::weak_ptr<Context> context_;
53 UniqueResourceVKT<BufferResource> resource_;
54
55 // |DeviceBuffer|
56 uint8_t* OnGetContents() const override;
57
58 // |DeviceBuffer|
59 bool OnCopyHostBuffer(const uint8_t* source,
60 Range source_range,
61 size_t offset) override;
62
63 // |DeviceBuffer|
64 bool SetLabel(const std::string& label) override;
65
66 // |DeviceBuffer|
67 bool SetLabel(const std::string& label, Range range) override;
68
69 // |DeviceBuffer|
70 void Flush(std::optional<Range> range) const override;
71
72 // |DeviceBuffer|
73 void Invalidate(std::optional<Range> range) const override;
74
75 DeviceBufferVK(const DeviceBufferVK&) = delete;
76
77 DeviceBufferVK& operator=(const DeviceBufferVK&) = delete;
78 };
79
80 } // namespace impeller
81
82 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_VULKAN_DEVICE_BUFFER_VK_H_
impeller::DeviceBufferVK::GetBuffer
vk::Buffer GetBuffer() const
Definition: device_buffer_vk.cc:86
impeller::DeviceBuffer
Definition: device_buffer.h:18
impeller::DeviceBufferVK::DeviceBufferVK
DeviceBufferVK(DeviceBufferDescriptor desc, std::weak_ptr< Context > context, UniqueBufferVMA buffer, VmaAllocationInfo info)
Definition: device_buffer_vk.cc:14
impeller::DeviceBufferDescriptor
Definition: device_buffer_descriptor.h:14
impeller::DeviceBufferVK::~DeviceBufferVK
~DeviceBufferVK() override
device_buffer.h
offset
SeparatedVector2 offset
Definition: stroke_path_geometry.cc:304
impeller::AllocatorVK
Definition: allocator_vk.h:19
backend_cast.h
resource_manager_vk.h
std
Definition: comparable.h:95
impeller::BackendCast
Definition: backend_cast.h:11
vma.h
impeller::DeviceBufferVK
Definition: device_buffer_vk.h:17
impeller::UniqueBufferVMA
fml::UniqueObject< BufferVMA, BufferVMATraits > UniqueBufferVMA
Definition: vma.h:98
impeller
Definition: allocation.cc:12
impeller::BufferResource
Resource< BufferView > BufferResource
Definition: command.h:57