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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "HostConnection.h"
#include "TcpStream.h"
#include "QemuPipeStream.h"
#include "ThreadInfo.h"
#include <cutils/log.h>
#include "GLEncoder.h"
#include "GL2Encoder.h"
#define STREAM_BUFFER_SIZE 4*1024*1024
#define STREAM_PORT_NUM 22468
/* Set to 1 to use a QEMU pipe, or 0 for a TCP connection */
#define USE_QEMU_PIPE 1
HostConnection::HostConnection() :
m_stream(NULL),
m_glEnc(NULL),
m_gl2Enc(NULL),
m_rcEnc(NULL)
{
}
HostConnection::~HostConnection()
{
delete m_stream;
delete m_glEnc;
delete m_gl2Enc;
delete m_rcEnc;
}
HostConnection *HostConnection::get()
{
/* TODO: Make this configurable with a system property */
const int useQemuPipe = USE_QEMU_PIPE;
// Get thread info
EGLThreadInfo *tinfo = getEGLThreadInfo();
if (!tinfo) {
return NULL;
}
if (tinfo->hostConn == NULL) {
HostConnection *con = new HostConnection();
if (NULL == con) {
return NULL;
}
if (useQemuPipe) {
QemuPipeStream *stream = new QemuPipeStream(STREAM_BUFFER_SIZE);
if (!stream) {
ALOGE("Failed to create QemuPipeStream for host connection!!!\n");
delete con;
return NULL;
}
if (stream->connect() < 0) {
ALOGE("Failed to connect to host (QemuPipeStream)!!!\n");
delete stream;
delete con;
return NULL;
}
con->m_stream = stream;
}
else /* !useQemuPipe */
{
TcpStream *stream = new TcpStream(STREAM_BUFFER_SIZE);
if (!stream) {
ALOGE("Failed to create TcpStream for host connection!!!\n");
delete con;
return NULL;
}
if (stream->connect("10.0.2.2", STREAM_PORT_NUM) < 0) {
ALOGE("Failed to connect to host (TcpStream)!!!\n");
delete stream;
delete con;
return NULL;
}
con->m_stream = stream;
}
// send zero 'clientFlags' to the host.
unsigned int *pClientFlags =
(unsigned int *)con->m_stream->allocBuffer(sizeof(unsigned int));
*pClientFlags = 0;
con->m_stream->commitBuffer(sizeof(unsigned int));
ALOGD("HostConnection::get() New Host Connection established %p, tid %d\n", con, gettid());
tinfo->hostConn = con;
}
return tinfo->hostConn;
}
GLEncoder *HostConnection::glEncoder()
{
if (!m_glEnc) {
m_glEnc = new GLEncoder(m_stream);
DBG("HostConnection::glEncoder new encoder %p, tid %d", m_glEnc, gettid());
m_glEnc->setContextAccessor(s_getGLContext);
}
return m_glEnc;
}
GL2Encoder *HostConnection::gl2Encoder()
{
if (!m_gl2Enc) {
m_gl2Enc = new GL2Encoder(m_stream);
DBG("HostConnection::gl2Encoder new encoder %p, tid %d", m_gl2Enc, gettid());
m_gl2Enc->setContextAccessor(s_getGL2Context);
}
return m_gl2Enc;
}
renderControl_encoder_context_t *HostConnection::rcEncoder()
{
if (!m_rcEnc) {
m_rcEnc = new renderControl_encoder_context_t(m_stream);
}
return m_rcEnc;
}
gl_client_context_t *HostConnection::s_getGLContext()
{
EGLThreadInfo *ti = getEGLThreadInfo();
if (ti->hostConn) {
return ti->hostConn->m_glEnc;
}
return NULL;
}
gl2_client_context_t *HostConnection::s_getGL2Context()
{
EGLThreadInfo *ti = getEGLThreadInfo();
if (ti->hostConn) {
return ti->hostConn->m_gl2Enc;
}
return NULL;
}
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