1 /*
2  * Copyright (c) 2022 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 PROGRAM_H
17 #define PROGRAM_H
18 
19 #include <string>
20 #include <GLES3/gl32.h>
21 
22 namespace OHOS {
23 namespace Rosen {
24 class Program {
25 public:
26     void Compile(const std::string& vertexShader, const std::string& fragmentShader);
27     void UseProgram() const;
28     unsigned int programID_;
29 
30 private:
31     static constexpr int INFO_LOG_LENGTH = 512;
32     bool initFlag_ = false;
33     unsigned int vertexID_;
34     unsigned int fragmentID_;
35     GLuint CreateShader(GLuint type, const std::string& shaderCode);
36     void CheckShaderCompileErrors(GLuint shader, const std::string& type);
37     void CheckProgramLinkErrors(GLuint program);
38 };
39 } // namespace Rosen
40 } // namespace OHOS
41 #endif // PROGRAM_H
42 
43