Flutter Impeller
context_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_CONTEXT_GLES_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_CONTEXT_GLES_H_
7 
19 
20 namespace impeller {
21 
22 class ContextGLES final : public Context,
23  public BackendCast<ContextGLES, Context>,
24  public std::enable_shared_from_this<ContextGLES> {
25  public:
26  static std::shared_ptr<ContextGLES> Create(
27  std::unique_ptr<ProcTableGLES> gl,
28  const std::vector<std::shared_ptr<fml::Mapping>>& shader_libraries,
29  bool enable_gpu_tracing);
30 
31  // |Context|
32  ~ContextGLES() override;
33 
34  // |Context|
35  BackendType GetBackendType() const override;
36 
37  const ReactorGLES::Ref& GetReactor() const;
38 
39  std::optional<ReactorGLES::WorkerID> AddReactorWorker(
40  const std::shared_ptr<ReactorGLES::Worker>& worker);
41 
43 
44  std::shared_ptr<GPUTracerGLES> GetGPUTracer() const { return gpu_tracer_; }
45 
46  private:
47  ReactorGLES::Ref reactor_;
48  std::shared_ptr<ShaderLibraryGLES> shader_library_;
49  std::shared_ptr<PipelineLibraryGLES> pipeline_library_;
50  std::shared_ptr<SamplerLibraryGLES> sampler_library_;
51  std::shared_ptr<AllocatorGLES> resource_allocator_;
52  std::shared_ptr<CommandQueue> command_queue_;
53  std::shared_ptr<GPUTracerGLES> gpu_tracer_;
54 
55  // Note: This is stored separately from the ProcTableGLES CapabilitiesGLES
56  // in order to satisfy the Context::GetCapabilities signature which returns
57  // a reference.
58  std::shared_ptr<const Capabilities> device_capabilities_;
59  bool is_valid_ = false;
60 
62  std::unique_ptr<ProcTableGLES> gl,
63  const std::vector<std::shared_ptr<fml::Mapping>>& shader_libraries,
64  bool enable_gpu_tracing);
65 
66  // |Context|
67  std::string DescribeGpuModel() const override;
68 
69  // |Context|
70  bool IsValid() const override;
71 
72  // |Context|
73  std::shared_ptr<Allocator> GetResourceAllocator() const override;
74 
75  // |Context|
76  std::shared_ptr<ShaderLibrary> GetShaderLibrary() const override;
77 
78  // |Context|
79  std::shared_ptr<SamplerLibrary> GetSamplerLibrary() const override;
80 
81  // |Context|
82  std::shared_ptr<PipelineLibrary> GetPipelineLibrary() const override;
83 
84  // |Context|
85  std::shared_ptr<CommandBuffer> CreateCommandBuffer() const override;
86 
87  // |Context|
88  const std::shared_ptr<const Capabilities>& GetCapabilities() const override;
89 
90  // |Context|
91  std::shared_ptr<CommandQueue> GetCommandQueue() const override;
92 
93  // |Context|
94  void Shutdown() override;
95 
96  ContextGLES(const ContextGLES&) = delete;
97 
98  ContextGLES& operator=(const ContextGLES&) = delete;
99 };
100 
101 } // namespace impeller
102 
103 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_CONTEXT_GLES_H_
impeller::ContextGLES::RemoveReactorWorker
bool RemoveReactorWorker(ReactorGLES::WorkerID id)
Definition: context_gles.cc:93
impeller::Context::BackendType
BackendType
Definition: context.h:48
impeller::ContextGLES::AddReactorWorker
std::optional< ReactorGLES::WorkerID > AddReactorWorker(const std::shared_ptr< ReactorGLES::Worker > &worker)
Definition: context_gles.cc:85
command_queue.h
impeller::ReactorGLES::Ref
std::shared_ptr< ReactorGLES > Ref
Definition: reactor_gles.h:87
impeller::ContextGLES::GetReactor
const ReactorGLES::Ref & GetReactor() const
Definition: context_gles.cc:81
impeller::ContextGLES
Definition: context_gles.h:22
impeller::ContextGLES::Create
static std::shared_ptr< ContextGLES > Create(std::unique_ptr< ProcTableGLES > gl, const std::vector< std::shared_ptr< fml::Mapping >> &shader_libraries, bool enable_gpu_tracing)
Definition: context_gles.cc:16
gpu_tracer_gles.h
sampler_library_gles.h
backend_cast.h
impeller::ContextGLES::GetBackendType
BackendType GetBackendType() const override
Get the graphics backend of an Impeller context.
Definition: context_gles.cc:77
capabilities.h
reactor_gles.h
pipeline_library_gles.h
allocator_gles.h
impeller::Context
To do anything rendering related with Impeller, you need a context.
Definition: context.h:46
impeller::BackendCast
Definition: backend_cast.h:11
shader_library_gles.h
impeller::ContextGLES::~ContextGLES
~ContextGLES() override
context.h
impeller::ContextGLES::GetGPUTracer
std::shared_ptr< GPUTracerGLES > GetGPUTracer() const
Definition: context_gles.h:44
impeller::UniqueID
Definition: comparable.h:16
capabilities_gles.h
impeller
Definition: aiks_blur_unittests.cc:20