1 // Copyright 2017 The Dawn 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 DAWNNATIVE_COMPUTEPIPELINE_H_
16 #define DAWNNATIVE_COMPUTEPIPELINE_H_
17 
18 #include "dawn_native/Pipeline.h"
19 
20 namespace dawn_native {
21 
22     class DeviceBase;
23     struct EntryPointMetadata;
24 
25     MaybeError ValidateComputePipelineDescriptor(DeviceBase* device,
26                                                  const ComputePipelineDescriptor* descriptor);
27 
28     class ComputePipelineBase : public PipelineBase {
29       public:
30         ComputePipelineBase(DeviceBase* device, const ComputePipelineDescriptor* descriptor);
31         ~ComputePipelineBase() override;
32 
33         static ComputePipelineBase* MakeError(DeviceBase* device);
34 
35         const EntryPointMetadata& GetMetadata() const;
36 
37         // Functors necessary for the unordered_set<ComputePipelineBase*>-based cache.
38         struct HashFunc {
39             size_t operator()(const ComputePipelineBase* pipeline) const;
40         };
41         struct EqualityFunc {
42             bool operator()(const ComputePipelineBase* a, const ComputePipelineBase* b) const;
43         };
44 
45       private:
46         ComputePipelineBase(DeviceBase* device, ObjectBase::ErrorTag tag);
47     };
48 
49 }  // namespace dawn_native
50 
51 #endif  // DAWNNATIVE_COMPUTEPIPELINE_H_
52