| Flutter Impeller |

blit_pass_mtl.h
Go to the documentation of this file.
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_BLIT_PASS_MTL_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_
7
8 #include <Metal/Metal.h>
9
10 #include "flutter/fml/macros.h"
11 #include "impeller/renderer/backend/metal/blit_command_mtl.h"
12 #include "impeller/renderer/blit_pass.h"
13
14 namespace impeller {
15
16 class BlitPassMTL final : public BlitPass {
17 public:
18 // |RenderPass|
19 ~BlitPassMTL() override;
20
21 private:
22 friend class CommandBufferMTL;
23
24 std::vector<std::unique_ptr<BlitEncodeMTL>> commands_;
25 id<MTLCommandBuffer> buffer_ = nil;
26 std::string label_;
27 bool is_valid_ = false;
28
29 explicit BlitPassMTL(id<MTLCommandBuffer> buffer);
30
31 // |BlitPass|
32 bool IsValid() const override;
33
34 // |BlitPass|
35 void OnSetLabel(std::string label) override;
36
37 // |BlitPass|
38 bool EncodeCommands(
39 const std::shared_ptr<Allocator>& transients_allocator) const override;
40
41 bool EncodeCommands(id<MTLBlitCommandEncoder> pass) const;
42
43 // |BlitPass|
44 bool OnCopyTextureToTextureCommand(std::shared_ptr<Texture> source,
45 std::shared_ptr<Texture> destination,
46 IRect source_region,
47 IPoint destination_origin,
48 std::string label) override;
49
50 // |BlitPass|
51 bool OnCopyTextureToBufferCommand(std::shared_ptr<Texture> source,
52 std::shared_ptr<DeviceBuffer> destination,
53 IRect source_region,
54 size_t destination_offset,
55 std::string label) override;
56 // |BlitPass|
57 bool OnCopyBufferToTextureCommand(BufferView source,
58 std::shared_ptr<Texture> destination,
59 IPoint destination_origin,
60 std::string label) override;
61
62 // |BlitPass|
63 bool OnGenerateMipmapCommand(std::shared_ptr<Texture> texture,
64 std::string label) override;
65
66 BlitPassMTL(const BlitPassMTL&) = delete;
67
68 BlitPassMTL& operator=(const BlitPassMTL&) = delete;
69 };
70
71 } // namespace impeller
72
73 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_
impeller::BlitPassMTL::~BlitPassMTL
~BlitPassMTL() override
blit_command_mtl.h
impeller::BlitPass
Blit passes encode blit into the underlying command buffer.
Definition: blit_pass.h:26
blit_pass.h
impeller::CommandBufferMTL
Definition: command_buffer_mtl.h:16
impeller::BufferView
Definition: buffer_view.h:15
impeller::TPoint< int64_t >
impeller::BlitPassMTL
Definition: blit_pass_mtl.h:16
impeller
Definition: aiks_blur_unittests.cc:20
impeller::TRect< int64_t >