Flutter Impeller
blit_pass_gles.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_GLES_BLIT_PASS_GLES_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_BLIT_PASS_GLES_H_
7 
8 #include <memory>
9 
10 #include "flutter/fml/macros.h"
15 
16 namespace impeller {
17 
18 class BlitPassGLES final : public BlitPass,
19  public std::enable_shared_from_this<BlitPassGLES> {
20  public:
21  // |BlitPass|
22  ~BlitPassGLES() override;
23 
24  private:
25  friend class CommandBufferGLES;
26 
27  std::vector<std::unique_ptr<BlitEncodeGLES>> commands_;
28  ReactorGLES::Ref reactor_;
29  std::string label_;
30  bool is_valid_ = false;
31 
32  explicit BlitPassGLES(ReactorGLES::Ref reactor);
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 OnCopyTextureToTextureCommand(std::shared_ptr<Texture> source,
46  std::shared_ptr<Texture> destination,
47  IRect source_region,
48  IPoint destination_origin,
49  std::string label) override;
50 
51  // |BlitPass|
52  bool OnCopyTextureToBufferCommand(std::shared_ptr<Texture> source,
53  std::shared_ptr<DeviceBuffer> destination,
54  IRect source_region,
55  size_t destination_offset,
56  std::string label) override;
57 
58  // |BlitPass|
59  bool OnCopyBufferToTextureCommand(BufferView source,
60  std::shared_ptr<Texture> destination,
61  IPoint destination_origin,
62  std::string label) override {
64  return false;
65  }
66  // |BlitPass|
67  bool OnGenerateMipmapCommand(std::shared_ptr<Texture> texture,
68  std::string label) override;
69 
70  BlitPassGLES(const BlitPassGLES&) = delete;
71 
72  BlitPassGLES& operator=(const BlitPassGLES&) = delete;
73 };
74 
75 } // namespace impeller
76 
77 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_BLIT_PASS_GLES_H_
impeller::ReactorGLES::Ref
std::shared_ptr< ReactorGLES > Ref
Definition: reactor_gles.h:87
impeller::BlitPass
Blit passes encode blit into the underlying command buffer.
Definition: blit_pass.h:26
impeller::CommandBufferGLES
Definition: command_buffer_gles.h:15
impeller::BlitPassGLES::~BlitPassGLES
~BlitPassGLES() override
blit_pass.h
blit_command_gles.h
IMPELLER_UNIMPLEMENTED
#define IMPELLER_UNIMPLEMENTED
Definition: config.h:25
impeller::BufferView
Definition: buffer_view.h:15
reactor_gles.h
impeller::BlitPassGLES
Definition: blit_pass_gles.h:18
impeller::TPoint< int64_t >
config.h
impeller
Definition: aiks_blur_unittests.cc:20
impeller::TRect< int64_t >