1 /*
2  * Copyright 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <ui/GraphicTypes.h>
20 #include "../GLESRenderEngine.h"
21 #include "../GLFramebuffer.h"
22 
23 using namespace std;
24 
25 namespace android {
26 namespace renderengine {
27 namespace gl {
28 
29 class GenericProgram {
30 public:
31     explicit GenericProgram(GLESRenderEngine& renderEngine);
32     ~GenericProgram();
33     void compile(string vertexShader, string fragmentShader);
34     bool isValid() const;
35     void useProgram() const;
36     GLuint getAttributeLocation(const string name) const;
37     GLuint getUniformLocation(const string name) const;
38 
39 private:
40     GLuint compileShader(GLuint type, const string src) const;
41     GLuint createAndLink(GLuint vertexShader, GLuint fragmentShader) const;
42 
43     GLESRenderEngine& mEngine;
44     GLuint mVertexShaderHandle = 0;
45     GLuint mFragmentShaderHandle = 0;
46     GLuint mProgramHandle = 0;
47 };
48 
49 } // namespace gl
50 } // namespace renderengine
51 } // namespace android
52