| Flutter Impeller |

device_buffer_mtl.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_METAL_DEVICE_BUFFER_MTL_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_DEVICE_BUFFER_MTL_H_
7
8 #include <Metal/Metal.h>
9
10 #include "flutter/fml/macros.h"
11 #include "impeller/base/backend_cast.h"
12 #include "impeller/core/device_buffer.h"
13
14 namespace impeller {
15
16 class DeviceBufferMTL final
17 : public DeviceBuffer,
18 public BackendCast<DeviceBufferMTL, DeviceBuffer> {
19 public:
20 DeviceBufferMTL();
21
22 // |DeviceBuffer|
23 ~DeviceBufferMTL() override;
24
25 id<MTLBuffer> GetMTLBuffer() const;
26
27 private:
28 friend class AllocatorMTL;
29
30 const id<MTLBuffer> buffer_;
31 const MTLStorageMode storage_mode_;
32
33 DeviceBufferMTL(DeviceBufferDescriptor desc,
34 id<MTLBuffer> buffer,
35 MTLStorageMode storage_mode);
36
37 // |DeviceBuffer|
38 uint8_t* OnGetContents() const override;
39
40 // |DeviceBuffer|
41 std::shared_ptr<Texture> AsTexture(Allocator& allocator,
42 const TextureDescriptor& descriptor,
43 uint16_t row_bytes) const override;
44
45 // |DeviceBuffer|
46 bool OnCopyHostBuffer(const uint8_t* source,
47 Range source_range,
48 size_t offset) override;
49
50 // |DeviceBuffer|
51 bool SetLabel(const std::string& label) override;
52
53 // |DeviceBuffer|
54 bool SetLabel(const std::string& label, Range range) override;
55
56 // |DeviceBuffer|
57 void Flush(std::optional<Range> range) const override;
58
59 DeviceBufferMTL(const DeviceBufferMTL&) = delete;
60
61 DeviceBufferMTL& operator=(const DeviceBufferMTL&) = delete;
62 };
63
64 } // namespace impeller
65
66 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_DEVICE_BUFFER_MTL_H_
impeller::AllocatorMTL
Definition: allocator_mtl.h:15
impeller::DeviceBuffer
Definition: device_buffer.h:19
impeller::DeviceBufferMTL::DeviceBufferMTL
DeviceBufferMTL()
impeller::DeviceBufferDescriptor
Definition: device_buffer_descriptor.h:14
device_buffer.h
impeller::DeviceBufferMTL
Definition: device_buffer_mtl.h:16
backend_cast.h
impeller::Allocator
An object that allocates device memory.
Definition: allocator.h:22
impeller::DeviceBufferMTL::GetMTLBuffer
id< MTLBuffer > GetMTLBuffer() const
Definition: device_buffer_mtl.mm:21
impeller::Range
Definition: range.h:14
impeller::BackendCast
Definition: backend_cast.h:11
impeller::TextureDescriptor
A lightweight object that describes the attributes of a texture that can then used an allocator to cr...
Definition: texture_descriptor.h:37
offset
Point offset
Definition: stroke_path_geometry.cc:300
impeller::DeviceBufferMTL::~DeviceBufferMTL
~DeviceBufferMTL() override
impeller
Definition: aiks_blur_unittests.cc:20