1 /*
2  * Copyright (C) 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 "GLcommon/GLEScontext.h"
20 #include "GLcommon/ObjectData.h"
21 
22 #include <vector>
23 
24 class TransformFeedbackData : public ObjectData {
25 public:
TransformFeedbackData()26     TransformFeedbackData() : ObjectData(TRANSFORMFEEDBACK_DATA) {}
27     TransformFeedbackData(android::base::Stream* stream);
28     void setMaxSize(int maxSize);
29     void onSave(android::base::Stream* stream,
30                 unsigned int globalName) const override;
31     void restore(ObjectLocalName localName,
32                  const getGlobalName_t& getGlobalName) override;
33     void bindIndexedBuffer(GLuint index,
34                            GLuint buffer,
35                            GLintptr offset,
36                            GLsizeiptr size,
37                            GLintptr stride,
38                            bool isBindBase);
39     GLuint getIndexedBuffer(GLuint index);
40     void unbindBuffer(GLuint buffer);
41     bool mIsActive = false;
42     bool mIsPaused = false;
43 private:
44     std::vector<BufferBinding> m_indexedTransformFeedbackBuffers;
45 };
46