Line data Source code
1 :
2 : /* Copyright (c) 2006-2012, Stefan Eilemann <eile@equalizergraphics.com>
3 : * 2010, Cedric Stalder <cedric.stalder@gmail.com>
4 : *
5 : * This library is free software; you can redistribute it and/or modify it under
6 : * the terms of the GNU Lesser General Public License version 2.1 as published
7 : * by the Free Software Foundation.
8 : *
9 : * This library is distributed in the hope that it will be useful, but WITHOUT
10 : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 : * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 : * details.
13 : *
14 : * You should have received a copy of the GNU Lesser General Public License
15 : * along with this library; if not, write to the Free Software Foundation, Inc.,
16 : * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 : */
18 :
19 : #include "frame.h"
20 :
21 : #include "compound.h"
22 : #include "frameData.h"
23 : #include "node.h"
24 :
25 : #include <co/dataIStream.h>
26 : #include <co/dataOStream.h>
27 :
28 : namespace eq
29 : {
30 : namespace server
31 : {
32 :
33 2924 : Frame::Frame()
34 : : _compound( 0 )
35 : , _buffers( BUFFER_UNDEFINED )
36 : , _type( TYPE_MEMORY )
37 2924 : , _masterFrameData( 0 )
38 : {
39 2924 : setNativeZoom( Zoom( 0.f, 0.f )); //set invalid zoom to detect 'set' state
40 11696 : for( unsigned i = 0; i < NUM_EYES; ++i )
41 8772 : _frameData[i] = 0;
42 2924 : }
43 :
44 0 : Frame::Frame( const Frame& from )
45 : : fabric::Frame( from )
46 : , _compound( 0 )
47 : , _vp( from._vp )
48 : , _buffers( from._buffers )
49 : , _type( from._type )
50 0 : , _masterFrameData( 0 )
51 : {
52 0 : for( unsigned i = 0; i < NUM_EYES; ++i )
53 0 : _frameData[i] = 0;
54 0 : }
55 :
56 8772 : Frame::~Frame()
57 : {
58 2924 : LBASSERT( _datas.empty());
59 2924 : _compound = 0;
60 2924 : _masterFrameData = 0;
61 5848 : }
62 :
63 150 : void Frame::flush()
64 : {
65 150 : unsetData();
66 :
67 309 : while( !_datas.empty( ))
68 : {
69 9 : FrameData* data = _datas.front();
70 9 : _datas.pop_front();
71 9 : getLocalNode()->deregisterObject( data );
72 9 : delete data;
73 : }
74 150 : }
75 :
76 150 : void Frame::unsetData()
77 : {
78 600 : for( unsigned i = 0; i < NUM_EYES; ++i )
79 : {
80 450 : _frameData[i] = 0;
81 450 : _inputFrames[i].clear();
82 450 : _getInputNodes( i ).clear();
83 450 : _getInputNetNodes( i ).clear();
84 : }
85 150 : }
86 :
87 9 : void Frame::commitData()
88 : {
89 9 : if( !_masterFrameData ) // not used
90 9 : return;
91 :
92 36 : for( unsigned i = 0; i< NUM_EYES; ++i )
93 : {
94 27 : if( _frameData[i] )
95 : {
96 9 : if( _frameData[i] != _masterFrameData )
97 0 : _frameData[i]->_data = _masterFrameData->_data;
98 :
99 9 : _frameData[i]->commit();
100 : }
101 : }
102 : }
103 :
104 18 : uint128_t Frame::commit( const uint32_t incarnation )
105 : {
106 72 : for( unsigned i = 0; i < NUM_EYES; ++i )
107 54 : _setDataVersion( i, _frameData[i] );
108 18 : return co::Object::commit( incarnation );
109 : }
110 :
111 9 : void Frame::cycleData( const uint32_t frameNumber, const Compound* compound )
112 : {
113 9 : _masterFrameData = 0;
114 36 : for( unsigned i = 0; i < NUM_EYES; ++i )
115 : {
116 27 : _inputFrames[i].clear();
117 :
118 27 : const Eye eye = Eye(1<<i);
119 27 : if( !compound->isInheritActive( eye )) // eye pass not used
120 : {
121 18 : _frameData[i] = 0;
122 18 : continue;
123 : }
124 :
125 : // reuse unused frame data
126 9 : FrameData* data = _datas.empty() ? 0 : _datas.back();
127 9 : const uint32_t latency = getAutoObsolete();
128 9 : const uint32_t dataAge = data ? data->getFrameNumber() : 0;
129 :
130 9 : if( data && dataAge < frameNumber-latency && frameNumber > latency )
131 : // not used anymore
132 0 : _datas.pop_back();
133 : else // still used - allocate new data
134 : {
135 9 : data = new FrameData;
136 :
137 9 : getLocalNode()->registerObject( data );
138 9 : data->setAutoObsolete( 1 ); // current + in use by render nodes
139 : }
140 :
141 9 : data->setFrameNumber( frameNumber );
142 :
143 9 : _datas.push_front( data );
144 9 : _frameData[i] = data;
145 9 : _getInputNodes( i ).clear();
146 9 : _getInputNetNodes( i ).clear();
147 9 : if( !_masterFrameData )
148 9 : _masterFrameData = data;
149 : }
150 9 : }
151 :
152 9 : void Frame::addInputFrame( Frame* frame, const Compound* compound )
153 : {
154 36 : for( unsigned i = 0; i < NUM_EYES; ++i )
155 : {
156 : // eye pass not used && no output frame for eye pass
157 27 : const Eye eye = Eye( 1<<i );
158 27 : if( compound->isInheritActive( eye ) && _frameData[i] )
159 : {
160 9 : frame->_frameData[i] = _frameData[i];
161 9 : _inputFrames[i].push_back( frame );
162 :
163 9 : const Node* inputNode = frame->getNode();
164 9 : if( inputNode != getNode( ))
165 : {
166 0 : co::NodePtr inputNetNode = inputNode->getNode();
167 0 : _getInputNodes( i ).push_back( inputNode->getID( ));
168 0 : _getInputNetNodes( i ).push_back( inputNetNode->getNodeID( ));
169 : }
170 : }
171 : else
172 : {
173 18 : frame->_frameData[i] = 0;
174 : }
175 : }
176 9 : }
177 :
178 1705 : std::ostream& operator << ( std::ostream& os, const Frame& frame )
179 : {
180 1705 : os << lunchbox::disableFlush << "frame" << std::endl
181 1705 : << "{" << std::endl << lunchbox::indent
182 3410 : << "name \"" << frame.getName() << "\"" << std::endl;
183 :
184 1705 : const uint32_t buffers = frame.getBuffers();
185 1705 : if( buffers != Frame::BUFFER_UNDEFINED )
186 : {
187 62 : os << "buffers [";
188 62 : if( buffers & Frame::BUFFER_COLOR ) os << " COLOR";
189 62 : if( buffers & Frame::BUFFER_DEPTH ) os << " DEPTH";
190 62 : os << " ]" << std::endl;
191 : }
192 :
193 1705 : const Frame::Type frameType = frame.getType();
194 1705 : if( frameType != Frame::TYPE_MEMORY )
195 29 : os << frameType;
196 :
197 1705 : const Viewport& vp = frame.getViewport();
198 1705 : if( vp != Viewport::FULL )
199 367 : os << "viewport " << vp << std::endl;
200 :
201 1705 : const Zoom& zoom = frame.getZoom();
202 1705 : if( zoom.isValid() && zoom != Zoom::NONE )
203 0 : os << zoom << std::endl;
204 :
205 1705 : return os << lunchbox::exdent << "}" << lunchbox::enableFlush;
206 : }
207 :
208 : }
209 27 : }
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