1 /*
2 * Copyright (C) 2011 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 #ifndef __COMMON_HOST_CONNECTION_H
17 #define __COMMON_HOST_CONNECTION_H
18 
19 #include "IOStream.h"
20 #include "renderControl_enc.h"
21 #include "ChecksumCalculator.h"
22 
23 class GLEncoder;
24 class gl_client_context_t;
25 class GL2Encoder;
26 class gl2_client_context_t;
27 
28 class HostConnection
29 {
30 public:
31     static HostConnection *get();
32     ~HostConnection();
33 
34     GLEncoder *glEncoder();
35     GL2Encoder *gl2Encoder();
36     renderControl_encoder_context_t *rcEncoder();
checksumHelper()37     ChecksumCalculator *checksumHelper() { return &m_checksumHelper; }
38 
flush()39     void flush() {
40         if (m_stream) {
41             m_stream->flush();
42         }
43     }
44 
45 private:
46     HostConnection();
47     static gl_client_context_t  *s_getGLContext();
48     static gl2_client_context_t *s_getGL2Context();
49     // setProtocol initilizes GL communication protocol for checksums
50     // should be called when m_rcEnc is created
51     void setChecksumHelper(renderControl_encoder_context_t *rcEnc);
52 
53 private:
54     IOStream *m_stream;
55     GLEncoder   *m_glEnc;
56     GL2Encoder  *m_gl2Enc;
57     renderControl_encoder_context_t *m_rcEnc;
58     ChecksumCalculator m_checksumHelper;
59 };
60 
61 #endif
62