Flutter Impeller
shader_function_mtl.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_METAL_SHADER_FUNCTION_MTL_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_SHADER_FUNCTION_MTL_H_
7 
8 #include <Metal/Metal.h>
9 
10 #include "flutter/fml/macros.h"
13 
14 namespace impeller {
15 
16 class ShaderFunctionMTL final
17  : public ShaderFunction,
18  public BackendCast<ShaderFunctionMTL, ShaderFunction> {
19  public:
20  // |ShaderFunction|
21  ~ShaderFunctionMTL() override;
22 
23  id<MTLFunction> GetMTLFunction() const;
24 
25  using CompileCallback = std::function<void(id<MTLFunction>)>;
26 
27  void GetMTLFunctionSpecialized(const std::vector<Scalar>& constants,
28  const CompileCallback& callback) const;
29 
30  private:
31  friend class ShaderLibraryMTL;
32 
33  id<MTLFunction> function_ = nullptr;
34  id<MTLLibrary> library_ = nullptr;
35 
36  ShaderFunctionMTL(UniqueID parent_library_id,
37  id<MTLFunction> function,
38  id<MTLLibrary> library,
39  std::string name,
40  ShaderStage stage);
41 
42  ShaderFunctionMTL(const ShaderFunctionMTL&) = delete;
43 
44  ShaderFunctionMTL& operator=(const ShaderFunctionMTL&) = delete;
45 };
46 
47 } // namespace impeller
48 
49 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_SHADER_FUNCTION_MTL_H_
shader_function.h
impeller::ShaderStage
ShaderStage
Definition: shader_types.h:22
impeller::ShaderFunctionMTL::GetMTLFunctionSpecialized
void GetMTLFunctionSpecialized(const std::vector< Scalar > &constants, const CompileCallback &callback) const
Definition: shader_function_mtl.mm:20
impeller::ShaderFunctionMTL::~ShaderFunctionMTL
~ShaderFunctionMTL() override
impeller::ShaderFunction
Definition: shader_function.h:16
backend_cast.h
impeller::ShaderFunctionMTL::GetMTLFunction
id< MTLFunction > GetMTLFunction() const
Definition: shader_function_mtl.mm:42
impeller::ShaderFunctionMTL
Definition: shader_function_mtl.h:16
impeller::ShaderFunctionMTL::CompileCallback
std::function< void(id< MTLFunction >)> CompileCallback
Definition: shader_function_mtl.h:25
impeller::BackendCast
Definition: backend_cast.h:11
impeller::ShaderLibraryMTL
Definition: shader_library_mtl.h:23
impeller::UniqueID
Definition: comparable.h:16
impeller
Definition: aiks_blur_unittests.cc:20