| Flutter Impeller |

blit_pass_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_BLIT_PASS_MTL_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_
7
8 #include <Metal/Metal.h>
9
10 #include "impeller/renderer/blit_pass.h"
11
12 namespace impeller {
13
14 class BlitPassMTL final : public BlitPass {
15 public:
16 // |RenderPass|
17 ~BlitPassMTL() override;
18
19 private:
20 friend class CommandBufferMTL;
21
22 id<MTLBlitCommandEncoder> encoder_ = nil;
23 id<MTLCommandBuffer> buffer_ = nil;
24 id<MTLDevice> device_ = nil;
25 bool is_valid_ = false;
26 bool is_metal_trace_active_ = false;
27 // Many parts of the codebase will start writing to a render pass but
28 // never submit them. This boolean is used to track if a submit happened
29 // so that in the dtor we can always ensure the render pass is finished.
30 mutable bool did_finish_encoding_ = false;
31
32 explicit BlitPassMTL(id<MTLCommandBuffer> buffer, id<MTLDevice> device);
33
34 // |BlitPass|
35 bool IsValid() const override;
36
37 // |BlitPass|
38 void OnSetLabel(std::string_view label) override;
39
40 // |BlitPass|
41 bool EncodeCommands() const override;
42
43 // |BlitPass|
44 bool ResizeTexture(const std::shared_ptr<Texture>& source,
45 const std::shared_ptr<Texture>& destination) override;
46
47 // |BlitPass|
48 bool OnCopyTextureToTextureCommand(std::shared_ptr<Texture> source,
49 std::shared_ptr<Texture> destination,
50 IRect source_region,
51 IPoint destination_origin,
52 std::string_view label) override;
53
54 // |BlitPass|
55 bool OnCopyTextureToBufferCommand(std::shared_ptr<Texture> source,
56 std::shared_ptr<DeviceBuffer> destination,
57 IRect source_region,
58 size_t destination_offset,
59 std::string_view label) override;
60 // |BlitPass|
61 bool OnCopyBufferToTextureCommand(BufferView source,
62 std::shared_ptr<Texture> destination,
63 IRect destination_region,
64 std::string_view label,
65 uint32_t mip_level,
66 uint32_t slice,
67 bool convert_to_read) override;
68
69 // |BlitPass|
70 bool OnGenerateMipmapCommand(std::shared_ptr<Texture> texture,
71 std::string_view label) override;
72
73 BlitPassMTL(const BlitPassMTL&) = delete;
74
75 BlitPassMTL& operator=(const BlitPassMTL&) = delete;
76 };
77
78 } // namespace impeller
79
80 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_
blit_pass.h
impeller::BlitPass
Blit passes encode blit into the underlying command buffer.
Definition: blit_pass.h:27
impeller::BlitPassMTL
Definition: blit_pass_mtl.h:14
impeller::BlitPassMTL::~BlitPassMTL
~BlitPassMTL() override
Definition: blit_pass_mtl.mm:44
impeller::CommandBufferMTL
Definition: command_buffer_mtl.h:15
impeller
Definition: allocation.cc:12
impeller::BufferView
Definition: buffer_view.h:19
impeller::TPoint< int64_t >
impeller::TRect
Definition: rect.h:122