| 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 label) override;
39
40 // |BlitPass|
41 bool EncodeCommands(
42 const std::shared_ptr<Allocator>& transients_allocator) const override;
43
44 // |BlitPass|
45 bool ResizeTexture(const std::shared_ptr<Texture>& source,
46 const std::shared_ptr<Texture>& destination) override;
47
48 // |BlitPass|
49 bool OnCopyTextureToTextureCommand(std::shared_ptr<Texture> source,
50 std::shared_ptr<Texture> destination,
51 IRect source_region,
52 IPoint destination_origin,
53 std::string label) override;
54
55 // |BlitPass|
56 bool OnCopyTextureToBufferCommand(std::shared_ptr<Texture> source,
57 std::shared_ptr<DeviceBuffer> destination,
58 IRect source_region,
59 size_t destination_offset,
60 std::string label) override;
61 // |BlitPass|
62 bool OnCopyBufferToTextureCommand(BufferView source,
63 std::shared_ptr<Texture> destination,
64 IRect destination_region,
65 std::string label,
66 uint32_t slice,
67 bool convert_to_read) override;
68
69 // |BlitPass|
70 bool OnGenerateMipmapCommand(std::shared_ptr<Texture> texture,
71 std::string 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_
impeller::BlitPassMTL::~BlitPassMTL
~BlitPassMTL() override
Definition: blit_pass_mtl.mm:42
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:15
impeller::BufferView
Definition: buffer_view.h:15
impeller::TPoint< int64_t >
impeller::BlitPassMTL
Definition: blit_pass_mtl.h:14
impeller
Definition: allocation.cc:12
impeller::TRect
Definition: rect.h:122