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 
14 
15 namespace impeller {
16 
17 class DeviceBufferVK final : public DeviceBuffer,
18  public BackendCast<DeviceBufferVK, DeviceBuffer> {
19  public:
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 
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:19
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
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
offset
Point offset
Definition: stroke_path_geometry.cc:300
impeller::UniqueBufferVMA
fml::UniqueObject< BufferVMA, BufferVMATraits > UniqueBufferVMA
Definition: vma.h:98
impeller
Definition: aiks_blur_unittests.cc:20
impeller::BufferResource
Resource< BufferView > BufferResource
Definition: command.h:57