| Flutter Impeller |

shader_library_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_SHADER_LIBRARY_GLES_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_SHADER_LIBRARY_GLES_H_
7
8 #include <memory>
9
10 #include "flutter/fml/macros.h"
11 #include "flutter/fml/mapping.h"
12 #include "impeller/base/comparable.h"
13 #include "impeller/base/thread.h"
14 #include "impeller/renderer/shader_key.h"
15 #include "impeller/renderer/shader_library.h"
16
17 namespace impeller {
18
19 class ShaderLibraryGLES final : public ShaderLibrary {
20 public:
21 // |ShaderLibrary|
22 ~ShaderLibraryGLES() override;
23
24 // |ShaderLibrary|
25 bool IsValid() const override;
26
27 private:
28 friend class ContextGLES;
29 const UniqueID library_id_;
30 mutable RWMutex functions_mutex_;
31 ShaderFunctionMap functions_ IPLR_GUARDED_BY(functions_mutex_);
32 bool is_valid_ = false;
33
34 explicit ShaderLibraryGLES(
35 const std::vector<std::shared_ptr<fml::Mapping>>& shader_libraries);
36
37 // |ShaderLibrary|
38 std::shared_ptr<const ShaderFunction> GetFunction(std::string_view name,
39 ShaderStage stage) override;
40
41 // |ShaderLibrary|
42 void RegisterFunction(std::string name,
43 ShaderStage stage,
44 std::shared_ptr<fml::Mapping> code,
45 RegistrationCallback callback) override;
46
47 // |ShaderLibrary|
48 void UnregisterFunction(std::string name, ShaderStage stage) override;
49
50 ShaderLibraryGLES(const ShaderLibraryGLES&) = delete;
51
52 ShaderLibraryGLES& operator=(const ShaderLibraryGLES&) = delete;
53 };
54
55 } // namespace impeller
56
57 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_SHADER_LIBRARY_GLES_H_
shader_library.h
impeller::ShaderLibraryGLES::IsValid
bool IsValid() const override
Definition: shader_library_gles.cc:89
shader_key.h
impeller::ShaderLibrary::RegistrationCallback
std::function< void(bool)> RegistrationCallback
Definition: shader_library.h:31
impeller::ShaderLibrary
Definition: shader_library.h:21
impeller::ShaderStage
ShaderStage
Definition: shader_types.h:22
impeller::ShaderLibraryGLES::~ShaderLibraryGLES
~ShaderLibraryGLES() override
impeller::ContextGLES
Definition: context_gles.h:24
impeller::ShaderFunctionMap
std::unordered_map< ShaderKey, std::shared_ptr< const ShaderFunction >, ShaderKey::Hash, ShaderKey::Equal > ShaderFunctionMap
Definition: shader_key.h:44
impeller::ShaderLibraryGLES
Definition: shader_library_gles.h:19
comparable.h
IPLR_GUARDED_BY
#define IPLR_GUARDED_BY(x)
Definition: thread_safety.h:19
impeller::UniqueID
Definition: comparable.h:16
thread.h
impeller
Definition: aiks_context.cc:10