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(); 37 ChecksumCalculator *checksumHelper() { return &m_checksumHelper; } 38 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