Flutter Impeller
pipeline_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_PIPELINE_GLES_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_PIPELINE_GLES_H_
7 
13 
14 namespace impeller {
15 
16 class PipelineLibraryGLES;
17 
18 class PipelineGLES final
19  : public Pipeline<PipelineDescriptor>,
20  public BackendCast<PipelineGLES, Pipeline<PipelineDescriptor>> {
21  public:
22  // |Pipeline|
23  ~PipelineGLES() override;
24 
25  const HandleGLES& GetProgramHandle() const;
26 
27  const std::shared_ptr<UniqueHandleGLES> GetSharedHandle() const;
28 
29  [[nodiscard]] bool BindProgram() const;
30 
31  [[nodiscard]] bool UnbindProgram() const;
32 
34 
35  [[nodiscard]] bool BuildVertexDescriptor(const ProcTableGLES& gl,
36  GLuint program);
37 
38  private:
39  friend PipelineLibraryGLES;
40 
41  std::shared_ptr<ReactorGLES> reactor_;
42  std::shared_ptr<UniqueHandleGLES> handle_;
43  std::unique_ptr<BufferBindingsGLES> buffer_bindings_;
44  bool is_valid_ = false;
45 
46  // |Pipeline|
47  bool IsValid() const override;
48 
49  PipelineGLES(std::shared_ptr<ReactorGLES> reactor,
50  std::weak_ptr<PipelineLibrary> library,
51  const PipelineDescriptor& desc,
52  std::shared_ptr<UniqueHandleGLES> handle);
53 
54  PipelineGLES(const PipelineGLES&) = delete;
55 
56  PipelineGLES& operator=(const PipelineGLES&) = delete;
57 };
58 
59 } // namespace impeller
60 
61 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_PIPELINE_GLES_H_
Sets up stage bindings for single draw call in the OpenGLES backend.
Represents a handle to an underlying OpenGL object. Unlike OpenGL object handles, these handles can b...
Definition: handle_gles.h:37
const HandleGLES & GetProgramHandle() const
const std::shared_ptr< UniqueHandleGLES > GetSharedHandle() const
BufferBindingsGLES * GetBufferBindings() const
bool UnbindProgram() const
bool BindProgram() const
bool BuildVertexDescriptor(const ProcTableGLES &gl, GLuint program)
Describes the fixed function and programmable aspects of rendering and compute operations performed b...
Definition: pipeline.h:52