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Revision 1157 - (view) (download) (as text)
| 1 : | eile | 194 | |
| 2 : | eile | 774 | /* Copyright (c) 2006-2007, Stefan Eilemann <eile@equalizergraphics.com> |
| 3 : | eile | 194 | All rights reserved. */ |
| 4 : | |||
| 5 : | #include "channel.h" | ||
| 6 : | eile | 231 | |
| 7 : | eile | 194 | #include "frameData.h" |
| 8 : | eile | 203 | #include "initData.h" |
| 9 : | eile | 231 | #include "node.h" |
| 10 : | eile | 566 | #include "pipe.h" |
| 11 : | eile | 1044 | #include "window.h" |
| 12 : | eile | 194 | |
| 13 : | eile | 1044 | using namespace eqBase; |
| 14 : | eile | 194 | using namespace std; |
| 15 : | |||
| 16 : | eile | 774 | static float lightpos[] = { 0.0f, 0.0f, 1.0f, 0.0f }; |
| 17 : | eile | 240 | |
| 18 : | eile | 673 | //#define DYNAMIC_NEAR_FAR |
| 19 : | eile | 583 | #ifndef M_SQRT3 |
| 20 : | # define M_SQRT3 1.7321f /* sqrt(3) */ | ||
| 21 : | #endif | ||
| 22 : | #ifndef M_SQRT3_2 | ||
| 23 : | # define M_SQRT3_2 0.86603f /* sqrt(3)/2 */ | ||
| 24 : | #endif | ||
| 25 : | |||
| 26 : | eile | 1044 | namespace eqPly |
| 27 : | { | ||
| 28 : | eile | 836 | bool Channel::configInit( const uint32_t initID ) |
| 29 : | eile | 194 | { |
| 30 : | eile | 205 | EQINFO << "Init channel initID " << initID << " ptr " << this << endl; |
| 31 : | eile | 203 | |
| 32 : | eile | 673 | #ifndef DYNAMIC_NEAR_FAR |
| 33 : | setNearFar( 0.0001f, 10.0f ); | ||
| 34 : | #endif | ||
| 35 : | eile | 194 | return true; |
| 36 : | } | ||
| 37 : | |||
| 38 : | eile | 839 | void Channel::frameDraw( const uint32_t frameID ) |
| 39 : | eile | 194 | { |
| 40 : | eile | 804 | vmml::FrustumCullerf culler; |
| 41 : | _initFrustum( culler ); | ||
| 42 : | eile | 609 | |
| 43 : | eile | 194 | applyBuffer(); |
| 44 : | applyViewport(); | ||
| 45 : | |||
| 46 : | glMatrixMode( GL_PROJECTION ); | ||
| 47 : | glLoadIdentity(); | ||
| 48 : | eile | 582 | |
| 49 : | eile | 584 | applyFrustum(); |
| 50 : | |||
| 51 : | eile | 194 | glMatrixMode( GL_MODELVIEW ); |
| 52 : | glLoadIdentity(); | ||
| 53 : | applyHeadTransform(); | ||
| 54 : | dustin82 | 396 | |
| 55 : | eile | 240 | glLightfv( GL_LIGHT0, GL_POSITION, lightpos ); |
| 56 : | |||
| 57 : | eile | 776 | const Pipe* pipe = static_cast<Pipe*>( getPipe( )); |
| 58 : | const FrameData& frameData = pipe->getFrameData(); | ||
| 59 : | eile | 231 | |
| 60 : | eile | 783 | glTranslatef( frameData.data.translation.x, |
| 61 : | frameData.data.translation.y, | ||
| 62 : | frameData.data.translation.z ); | ||
| 63 : | glMultMatrixf( frameData.data.rotation.ml ); | ||
| 64 : | eile | 776 | |
| 65 : | eile | 636 | Node* node = (Node*)getNode(); |
| 66 : | const Model* model = node->getModel(); | ||
| 67 : | const eq::Range& range = getRange(); | ||
| 68 : | eile | 231 | |
| 69 : | eile | 783 | if( !frameData.data.color ) |
| 70 : | eile | 636 | { |
| 71 : | eile | 783 | glColor3f( 1.0f, 1.0f, 1.0f ); |
| 72 : | } | ||
| 73 : | else if( !range.isFull( )) // Color DB-patches | ||
| 74 : | { | ||
| 75 : | eile | 1093 | const vmml::Vector3ub color = getUniqueColor(); |
| 76 : | glColor3ub( color.r, color.g, color.b ); | ||
| 77 : | eile | 636 | } |
| 78 : | eile | 635 | |
| 79 : | eile | 231 | if( model ) |
| 80 : | { | ||
| 81 : | eile | 636 | vector<const Model::BBox*> candidates; |
| 82 : | eile | 641 | candidates.push_back( model->getBBox( )); |
| 83 : | eile | 608 | |
| 84 : | eile | 636 | while( !candidates.empty( ) ) |
| 85 : | eile | 490 | { |
| 86 : | eile | 636 | const Model::BBox *bbox = candidates.back(); |
| 87 : | candidates.pop_back(); | ||
| 88 : | eile | 490 | |
| 89 : | eile | 586 | // cull against 'completely out of range' |
| 90 : | if( bbox->range[0] >= range.end || bbox->range[1] < range.start ) | ||
| 91 : | continue; | ||
| 92 : | |||
| 93 : | eile | 804 | const vmml::Visibility visibility = culler.testSphere( |
| 94 : | bbox->cullSphere ); | ||
| 95 : | eile | 608 | |
| 96 : | eile | 490 | switch( visibility ) |
| 97 : | { | ||
| 98 : | eile | 804 | case vmml::VISIBILITY_FULL: |
| 99 : | eile | 586 | { |
| 100 : | const bool fullyInRange = (bbox->range[0] >= range.start && | ||
| 101 : | bbox->range[1] < range.end ); | ||
| 102 : | if( fullyInRange ) | ||
| 103 : | { | ||
| 104 : | eile | 608 | model->traverseBBox( bbox, 0, _drawBBoxCB, 0, this ); |
| 105 : | eile | 586 | break; |
| 106 : | } | ||
| 107 : | // partial range, fall through | ||
| 108 : | } | ||
| 109 : | eile | 804 | case vmml::VISIBILITY_PARTIAL: |
| 110 : | eile | 586 | if( !bbox->children ) |
| 111 : | eile | 635 | { |
| 112 : | if( bbox->range[0] >= range.start ) | ||
| 113 : | model->traverseBBox( bbox, 0, _drawBBoxCB, 0, this); | ||
| 114 : | eile | 669 | // else drop, to be drawn by 'previous' channel |
| 115 : | eile | 635 | } |
| 116 : | eile | 490 | else |
| 117 : | for( int i=0; i<8; i++ ) | ||
| 118 : | eile | 636 | candidates.push_back( &bbox->children[i] ); |
| 119 : | eile | 490 | break; |
| 120 : | eile | 804 | case vmml::VISIBILITY_NONE: |
| 121 : | eile | 490 | break; |
| 122 : | } | ||
| 123 : | } | ||
| 124 : | eile | 231 | } |
| 125 : | else | ||
| 126 : | { | ||
| 127 : | eile | 532 | glColor3f( 1.f, 1.f, 0.f ); |
| 128 : | glNormal3f( 0.f, -1.f, 0.f ); | ||
| 129 : | eile | 231 | glBegin( GL_TRIANGLE_STRIP ); |
| 130 : | eile | 532 | glVertex3f( .25f, 0.f, .25f ); |
| 131 : | glVertex3f( .25f, 0.f, -.25f ); | ||
| 132 : | glVertex3f( -.25f, 0.f, .25f ); | ||
| 133 : | glVertex3f( -.25f, 0.f, -.25f ); | ||
| 134 : | eile | 231 | glEnd(); |
| 135 : | } | ||
| 136 : | eile | 1134 | _drawLogo(); |
| 137 : | eile | 231 | } |
| 138 : | |||
| 139 : | eile | 608 | void Channel::_drawBBoxCB( Model::BBox *bbox, void *userData ) |
| 140 : | { | ||
| 141 : | Channel* channel = static_cast<Channel*>( userData ); | ||
| 142 : | channel->_drawBBox( bbox ); | ||
| 143 : | } | ||
| 144 : | |||
| 145 : | eile | 231 | void Channel::_drawBBox( const Model::BBox *bbox ) |
| 146 : | { | ||
| 147 : | eile | 1141 | Window* window = static_cast<Window*>( getWindow( )); |
| 148 : | GLuint displayList = window->getDisplayList( bbox ); | ||
| 149 : | eile | 566 | |
| 150 : | eile | 1044 | if( displayList ) |
| 151 : | eile | 566 | { |
| 152 : | glCallList( displayList ); | ||
| 153 : | return; | ||
| 154 : | } | ||
| 155 : | |||
| 156 : | eile | 1044 | displayList = window->newDisplayList( bbox ); |
| 157 : | eile | 566 | EQASSERT( displayList ); |
| 158 : | |||
| 159 : | eile | 1044 | Pipe* pipe = static_cast<Pipe*>( getPipe( )); |
| 160 : | const FrameData& frameData = pipe->getFrameData(); | ||
| 161 : | const size_t nFaces = bbox->nFaces; | ||
| 162 : | const eq::Range& range = getRange(); | ||
| 163 : | const bool color = frameData.data.color && range.isFull(); | ||
| 164 : | eile | 636 | |
| 165 : | eile | 566 | glNewList( displayList, GL_COMPILE ); |
| 166 : | eile | 637 | glBegin( GL_TRIANGLES ); |
| 167 : | |||
| 168 : | if( color ) | ||
| 169 : | for( size_t i=0; i<nFaces; ++i ) | ||
| 170 : | { | ||
| 171 : | const NormalFace<ColorVertex> &face = bbox->faces[i]; | ||
| 172 : | |||
| 173 : | eile | 636 | glColor3fv( face.vertices[0].color ); |
| 174 : | eile | 637 | glNormal3fv( face.normal ); |
| 175 : | glVertex3fv( face.vertices[0].pos ); | ||
| 176 : | |||
| 177 : | eile | 636 | glColor3fv( face.vertices[1].color ); |
| 178 : | eile | 637 | glNormal3fv( face.normal ); |
| 179 : | glVertex3fv( face.vertices[1].pos ); | ||
| 180 : | |||
| 181 : | eile | 636 | glColor3fv( face.vertices[2].color ); |
| 182 : | eile | 637 | glNormal3fv( face.normal ); |
| 183 : | glVertex3fv( face.vertices[2].pos ); | ||
| 184 : | } | ||
| 185 : | else | ||
| 186 : | for( size_t i=0; i<nFaces; ++i ) | ||
| 187 : | { | ||
| 188 : | const NormalFace<ColorVertex> &face = bbox->faces[i]; | ||
| 189 : | |||
| 190 : | glNormal3fv( face.normal ); | ||
| 191 : | glVertex3fv( face.vertices[0].pos ); | ||
| 192 : | |||
| 193 : | glNormal3fv( face.normal ); | ||
| 194 : | glVertex3fv( face.vertices[1].pos ); | ||
| 195 : | |||
| 196 : | glNormal3fv( face.normal ); | ||
| 197 : | glVertex3fv( face.vertices[2].pos ); | ||
| 198 : | } | ||
| 199 : | |||
| 200 : | eile | 194 | glEnd(); |
| 201 : | eile | 566 | |
| 202 : | eile | 1141 | glEndList(); |
| 203 : | eile | 566 | glCallList( displayList ); |
| 204 : | eile | 194 | } |
| 205 : | |||
| 206 : | eile | 1134 | void Channel::_drawLogo() |
| 207 : | { | ||
| 208 : | eile | 1141 | const Window* window = static_cast<Window*>( getWindow( )); |
| 209 : | eile | 1134 | GLuint texture; |
| 210 : | vmml::Vector2i size; | ||
| 211 : | |||
| 212 : | window->getLogoTexture( texture, size ); | ||
| 213 : | if( !texture ) | ||
| 214 : | return; | ||
| 215 : | |||
| 216 : | eile | 1141 | const eq::PixelViewport pvp = getPixelViewport(); |
| 217 : | const vmml::Vector2i offset = getPixelOffset(); | ||
| 218 : | |||
| 219 : | eile | 1134 | glMatrixMode( GL_PROJECTION ); |
| 220 : | glLoadIdentity(); | ||
| 221 : | eile | 1141 | glOrtho( offset.x, offset.x + pvp.w, offset.y, offset.y + pvp.h, 0., 1. ); |
| 222 : | eile | 1134 | |
| 223 : | glMatrixMode( GL_MODELVIEW ); | ||
| 224 : | glLoadIdentity(); | ||
| 225 : | |||
| 226 : | glDisable( GL_DEPTH_TEST ); | ||
| 227 : | glDisable( GL_LIGHTING ); | ||
| 228 : | glEnable( GL_BLEND ); | ||
| 229 : | glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA ); | ||
| 230 : | |||
| 231 : | eile | 1157 | glEnable( GL_TEXTURE_RECTANGLE_ARB ); |
| 232 : | glBindTexture( GL_TEXTURE_RECTANGLE_ARB, texture ); | ||
| 233 : | glTexParameteri( GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, | ||
| 234 : | GL_LINEAR ); | ||
| 235 : | glTexParameteri( GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, | ||
| 236 : | GL_LINEAR ); | ||
| 237 : | eile | 1134 | |
| 238 : | glColor3f( 1.0f, 1.0f, 1.0f ); | ||
| 239 : | glBegin( GL_TRIANGLE_STRIP ); { | ||
| 240 : | glTexCoord2f( 0.0f, 0.0f ); | ||
| 241 : | glVertex3f( 0.0f, 0.0f, 0.0f ); | ||
| 242 : | |||
| 243 : | glTexCoord2f( size.x, 0.0f ); | ||
| 244 : | glVertex3f( size.x, 0.0f, 0.0f ); | ||
| 245 : | |||
| 246 : | glTexCoord2f( 0.0f, size.y ); | ||
| 247 : | glVertex3f( 0.0f, size.y, 0.0f ); | ||
| 248 : | |||
| 249 : | glTexCoord2f( size.x, size.y ); | ||
| 250 : | glVertex3f( size.x, size.y, 0.0f ); | ||
| 251 : | } glEnd(); | ||
| 252 : | |||
| 253 : | eile | 1157 | glDisable( GL_TEXTURE_RECTANGLE_ARB ); |
| 254 : | eile | 1134 | glDisable( GL_BLEND ); |
| 255 : | glEnable( GL_LIGHTING ); | ||
| 256 : | glEnable( GL_DEPTH_TEST ); | ||
| 257 : | } | ||
| 258 : | |||
| 259 : | eile | 804 | void Channel::_initFrustum( vmml::FrustumCullerf& culler ) |
| 260 : | eile | 490 | { |
| 261 : | eile | 776 | const Pipe* pipe = static_cast<Pipe*>( getPipe( )); |
| 262 : | const FrameData& frameData = pipe->getFrameData(); | ||
| 263 : | eile | 609 | |
| 264 : | eile | 783 | vmml::Matrix4f view( frameData.data.rotation ); |
| 265 : | view.setTranslation( frameData.data.translation ); | ||
| 266 : | eile | 776 | |
| 267 : | eile | 804 | const vmml::Frustumf& frustum = getFrustum(); |
| 268 : | eile | 673 | const vmml::Matrix4f& headTransform = getHeadTransform(); |
| 269 : | const vmml::Matrix4f modelView = headTransform * view; | ||
| 270 : | eile | 609 | |
| 271 : | eile | 673 | #ifdef DYNAMIC_NEAR_FAR |
| 272 : | vmml::Matrix4f modelInv; | ||
| 273 : | headTransform.getInverse( modelInv ); | ||
| 274 : | eile | 669 | |
| 275 : | eile | 673 | const vmml::Vector3f zero = modelInv * vmml::Vector3f( 0.0f, 0.0f, 0.0f ); |
| 276 : | vmml::Vector3f front = modelInv * vmml::Vector3f( 0.0f, 0.0f, -1.0f ); | ||
| 277 : | front -= zero; | ||
| 278 : | front.normalise(); | ||
| 279 : | EQINFO << getName() << " front " << front << endl; | ||
| 280 : | front.scale( M_SQRT3_2 ); // bounding sphere size of unit-sized cube | ||
| 281 : | |||
| 282 : | eile | 783 | const vmml::Vector3f center( frameData.data.translation ); |
| 283 : | eile | 673 | const vmml::Vector3f near = headTransform * ( center - front ); |
| 284 : | const vmml::Vector3f far = headTransform * ( center + front ); | ||
| 285 : | const float zNear = MAX( 0.0001f, -near.z ); | ||
| 286 : | const float zFar = MAX( 0.0002f, -far.z ); | ||
| 287 : | |||
| 288 : | EQINFO << getName() << " center: " << headTransform * center << endl; | ||
| 289 : | EQINFO << getName() << " near, far: " << near << " " << far << endl; | ||
| 290 : | EQINFO << getName() << " near, far: " << zNear << " " << zFar << endl; | ||
| 291 : | setNearFar( zNear, zFar ); | ||
| 292 : | eile | 609 | #endif |
| 293 : | |||
| 294 : | eile | 804 | const vmml::Matrix4f projection = frustum.computeMatrix(); |
| 295 : | //const eq::PixelViewport& pvp = getPixelViewport(); | ||
| 296 : | eile | 490 | |
| 297 : | eile | 804 | culler.setup( projection * modelView ); |
| 298 : | eile | 490 | } |
| 299 : | eile | 1044 | } |
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