| 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/mapping.h"
11 #include "impeller/base/comparable.h"
12 #include "impeller/base/thread.h"
13 #include "impeller/renderer/shader_key.h"
14 #include "impeller/renderer/shader_library.h"
15
16 namespace impeller {
17
18 class ShaderLibraryGLES final : public ShaderLibrary {
19 public:
20 // |ShaderLibrary|
21 ~ShaderLibraryGLES() override;
22
23 // |ShaderLibrary|
24 bool IsValid() const override;
25
26 private:
27 friend class ContextGLES;
28 const UniqueID library_id_;
29 mutable RWMutex functions_mutex_;
30 ShaderFunctionMap functions_ IPLR_GUARDED_BY(functions_mutex_);
31 bool is_valid_ = false;
32
33 explicit ShaderLibraryGLES(
34 const std::vector<std::shared_ptr<fml::Mapping>>& shader_libraries);
35
36 // |ShaderLibrary|
37 std::shared_ptr<const ShaderFunction> GetFunction(std::string_view name,
38 ShaderStage stage) override;
39
40 // |ShaderLibrary|
41 void RegisterFunction(std::string name,
42 ShaderStage stage,
43 std::shared_ptr<fml::Mapping> code,
44 RegistrationCallback callback) override;
45
46 // |ShaderLibrary|
47 void UnregisterFunction(std::string name, ShaderStage stage) override;
48
49 ShaderLibraryGLES(const ShaderLibraryGLES&) = delete;
50
51 ShaderLibraryGLES& operator=(const ShaderLibraryGLES&) = delete;
52 };
53
54 } // namespace impeller
55
56 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_GLES_SHADER_LIBRARY_GLES_H_
impeller::ContextGLES
Definition: context_gles.h:25
impeller::ShaderLibraryGLES
Definition: shader_library_gles.h:18
impeller::ShaderLibraryGLES::~ShaderLibraryGLES
~ShaderLibraryGLES() override
impeller::ShaderLibraryGLES::IsValid
bool IsValid() const override
Definition: shader_library_gles.cc:87
impeller::ShaderLibrary
Definition: shader_library.h:20
impeller::ShaderLibrary::RegistrationCallback
std::function< void(bool)> RegistrationCallback
Definition: shader_library.h:30
comparable.h
impeller
Definition: allocation.cc:12
impeller::ShaderFunctionMap
std::unordered_map< ShaderKey, std::shared_ptr< const ShaderFunction >, ShaderKey::Hash, ShaderKey::Equal > ShaderFunctionMap
Definition: shader_key.h:43
impeller::ShaderStage
ShaderStage
Definition: shader_types.h:22
shader_key.h
shader_library.h
impeller::UniqueID
Definition: comparable.h:16
thread.h
IPLR_GUARDED_BY
#define IPLR_GUARDED_BY(x)
Definition: thread_safety.h:19