1 // Copyright 2018 The Amber Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef AMBER_RECIPE_H_
16 #define AMBER_RECIPE_H_
17 
18 #include <string>
19 #include <utility>
20 #include <vector>
21 
22 #include "amber/shader_info.h"
23 
24 namespace amber {
25 
26 /// Internal recipe implementation.
27 class RecipeImpl {
28  public:
29   virtual ~RecipeImpl();
30 
31   /// Retrieves information on all the shaders in the given recipe.
32   virtual std::vector<ShaderInfo> GetShaderInfo() const = 0;
33 
34   /// Returns required features in the given recipe.
35   virtual std::vector<std::string> GetRequiredFeatures() const = 0;
36 
37   /// Returns required device extensions in the given recipe.
38   virtual std::vector<std::string> GetRequiredDeviceExtensions() const = 0;
39 
40   /// Returns required instance extensions in the given recipe.
41   virtual std::vector<std::string> GetRequiredInstanceExtensions() const = 0;
42 
43   /// Sets the fence timeout value to |timeout_ms|.
44   virtual void SetFenceTimeout(uint32_t timeout_ms) = 0;
45 
46  protected:
47   RecipeImpl();
48 };
49 
50 /// A recipe is the parsed representation of the input script.
51 class Recipe {
52  public:
53   Recipe();
54   ~Recipe();
55 
56   /// Retrieves information on all the shaders in the recipe.
57   std::vector<ShaderInfo> GetShaderInfo() const;
58 
GetImpl()59   RecipeImpl* GetImpl() const { return impl_; }
60   /// Sets the recipe implementation. Ownership transfers to the recipe.
SetImpl(RecipeImpl * impl)61   void SetImpl(RecipeImpl* impl) { impl_ = impl; }
62 
63   /// Returns required features in the given recipe.
64   std::vector<std::string> GetRequiredFeatures() const;
65 
66   /// Returns required device extensions in the given recipe.
67   std::vector<std::string> GetRequiredDeviceExtensions() const;
68 
69   /// Returns required instance extensions in the given recipe.
70   std::vector<std::string> GetRequiredInstanceExtensions() const;
71 
72   /// Sets the timeout value for fences to |timeout_ms|.
73   void SetFenceTimeout(uint32_t timeout_ms);
74 
75  private:
76   RecipeImpl* impl_;
77 };
78 
79 }  // namespace amber
80 
81 #endif  // AMBER_RECIPE_H_
82