1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
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 
16 #ifndef DEVICE_SHADER_MODULE_H
17 #define DEVICE_SHADER_MODULE_H
18 
19 #include <cstdint>
20 
21 #include <base/containers/array_view.h>
22 #include <render/namespace.h>
23 
24 RENDER_BEGIN_NAMESPACE()
25 struct ShaderModulePlatformData {};
26 
27 /** Combined shader module.
28  * Compiled single shader module and reflection.
29  */
30 class ShaderModule {
31 public:
32     ShaderModule() = default;
33     virtual ~ShaderModule() = default;
34 
35     ShaderModule(const ShaderModule&) = delete;
36     ShaderModule& operator=(const ShaderModule&) = delete;
37 
38     virtual ShaderStageFlags GetShaderStageFlags() const = 0;
39 
40     virtual const ShaderModulePlatformData& GetPlatformData() const = 0;
41 
42     virtual const PipelineLayout& GetPipelineLayout() const = 0;
43     virtual ShaderSpecializationConstantView GetSpecilization() const = 0;
44 
45     /* The following are not found from every shader, data might be zeros */
46 
47     virtual VertexInputDeclarationView GetVertexInputDeclaration() const = 0;
48     virtual ShaderThreadGroup GetThreadGroupSize() const = 0;
49 };
50 RENDER_END_NAMESPACE()
51 
52 #endif // DEVICE_SHADER_MODULE_H
53