Changeset 13041 for OpenSceneGraph/trunk/src/osgShadow/DebugShadowMap.cpp

Timestamp:

03/21/12 18:36:20 (14 months ago)

Author:

robert

Message:

Ran script to remove trailing spaces and tabs

Files:

• OpenSceneGraph/trunk/src/osgShadow/DebugShadowMap.cpp (modified) (37 diffs)

OpenSceneGraph/trunk/src/osgShadow/DebugShadowMap.cpp

@@ -1 @@
-/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
  *
- * This library is open source and may be redistributed and/or modified under  
- * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * This library is open source and may be redistributed and/or modified under
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
  * (at your option) any later version.  The full license is in LICENSE file
  * included with this distribution, and on the openscenegraph.org website.
- * 
+ *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * OpenSceneGraph Public License for more details.
  *
@@ -36 +36 @@
 #define DEFAULT_DEBUG_HUD_ORIGIN_Y 8
 
-DebugShadowMap::DebugShadowMap(): 
+DebugShadowMap::DebugShadowMap():
     BaseClass(),
     _hudSize( 2, 2 ),
     _hudOrigin( -1, -1 ),
     _viewportSize( DEFAULT_DEBUG_HUD_SIZE_X, DEFAULT_DEBUG_HUD_SIZE_Y ),
-    _viewportOrigin( DEFAULT_DEBUG_HUD_ORIGIN_X, DEFAULT_DEBUG_HUD_ORIGIN_Y ), 
+    _viewportOrigin( DEFAULT_DEBUG_HUD_ORIGIN_X, DEFAULT_DEBUG_HUD_ORIGIN_Y ),
     _orthoSize( 2, 2 ),
     _orthoOrigin( -1, -1 ),
     _doDebugDraw( false )
 {
-    
+
     // Why this fancy 24 bit depth to 24 bit rainbow colors shader ?
     //
-    // Depth values cannot be easily cast on color component because they are: 
-    // a) 24 or 32 bit and we loose lots of precision when cast on 8 bit 
+    // Depth values cannot be easily cast on color component because they are:
+    // a) 24 or 32 bit and we loose lots of precision when cast on 8 bit
     // b) depth value distribution is non linear due to projection division
     // when cast on componenent color there is usually very minor shade variety
     // and its often difficult to notice that there is anything in the buffer
-    // 
-    // Shader looks complex but it is used only for debug head-up rectangle 
-    // so performance impact is not significant.  
-    
+    //
+    // Shader looks complex but it is used only for debug head-up rectangle
+    // so performance impact is not significant.
+
     _depthColorFragmentShader = new osg::Shader( osg::Shader::FRAGMENT,
-#if 0 
+#if 0
         "uniform sampler2D texture;                                              \n"
         "                                                                        \n"
@@ -66 +66 @@
         "    float f = texture2D( texture, vec3( gl_TexCoord[0].xy, 1.0).xy ).r; \n"
         "    gl_FragColor =  vec4( 0.0, 1.0 - f,  0.5 - f, 0.5 );                \n"
-        "}                                                                       \n"          
-#else 
+        "}                                                                       \n"
+#else
         "uniform sampler2D texture;                                              \n"
         "                                                                        \n"
@@ -75 +75 @@
         "                                                                        \n"
         "    f = 256.0 * f;                                                      \n"
-        "    float fC = floor( f ) / 256.0;                                      \n" 
+        "    float fC = floor( f ) / 256.0;                                      \n"
         "                                                                        \n"
         "    f = 256.0 * fract( f );                                             \n"
-        "    float fS = floor( f ) / 256.0;                                      \n"  
+        "    float fS = floor( f ) / 256.0;                                      \n"
         "                                                                        \n"
         "    f = 256.0 * fract( f );                                             \n"
@@ -89 +89 @@
         "                     abs( fC - 0.333333 ),                              \n"
         "                     abs( fC - 0.666667 ) );                            \n"
-        "                                                                        \n"   
+        "                                                                        \n"
         "    rgb = min( vec3( 1.0, 1.0, 1.0 ), 3.0 * rgb );                      \n"
         "                                                                        \n"
         "    float fMax = max( max( rgb.r, rgb.g ), rgb.b );                     \n"
-        "    fMax = 1.0 / fMax;                                                  \n"  
+        "    fMax = 1.0 / fMax;                                                  \n"
         "                                                                        \n"
         "    vec3 color = fMax * rgb;                                            \n"
         "                                                                        \n"
         "    gl_FragColor =  vec4( fS + fH * color, 1 ) * gl_Color;              \n"
-        "}                                                                       \n"  
-#endif
-    ); // end _depthColorFragmentShader 
+        "}                                                                       \n"
+#endif
+    ); // end _depthColorFragmentShader
 }
 
@@ -109 +109 @@
     _hudOrigin( copy._hudOrigin ),
     _viewportSize( copy._viewportSize ),
-    _viewportOrigin( copy._viewportOrigin ), 
+    _viewportOrigin( copy._viewportOrigin ),
     _orthoSize( copy._viewportOrigin ),
     _orthoOrigin( copy._viewportOrigin ),
@@ -120 +120 @@
 }
 
-DebugShadowMap::~DebugShadowMap() 
+DebugShadowMap::~DebugShadowMap()
 {
 }
@@ -145 +145 @@
     result = bb.center() != bb_prev.center() || bb.radius() != bb_prev.radius();
     if( result )
-        std::cout << "Box<" << name << "> (" 
+        std::cout << "Box<" << name << "> ("
                   << ( bb._max._v[0] + bb._min._v[0] ) * 0.5 << " "
-                  << ( bb._max._v[1] + bb._min._v[1] ) * 0.5 << " " 
+                  << ( bb._max._v[1] + bb._min._v[1] ) * 0.5 << " "
                   << ( bb._max._v[2] + bb._min._v[2] ) * 0.5 << ") ["
                   << ( bb._max._v[0] - bb._min._v[0] ) << " "
@@ -171 +171 @@
 
     if( result ) {
-        std::cout << "Polytope<" << name 
+        std::cout << "Polytope<" << name
                   << "> size(" << p.getPlaneList().size() << ")"
                   << std::endl;
@@ -180 +180 @@
                 if( p.getPlaneList()[i] != p_prev.getPlaneList()[i] )
                 {
-                    std::cout << "Plane<" << i 
-                        << "> (" 
+                    std::cout << "Plane<" << i
+                        << "> ("
                         << p.getPlaneList()[i].asVec4()[0] << ", "
                         << p.getPlaneList()[i].asVec4()[1] << ", "
                         << p.getPlaneList()[i].asVec4()[2] << ", "
                         << p.getPlaneList()[i].asVec4()[3] << ")"
-                        << std::endl;                    
+                        << std::endl;
                 }
             }
@@ -209 +209 @@
 
     if( result )
-        std::cout << "Matrix<" << name << "> " << std::endl 
+        std::cout << "Matrix<" << name << "> " << std::endl
             <<"[ " << m(0,0) << " " << m(0,1) << " " << m(0,2) << " " << m(0,3) << " ]  " << std::endl
             <<"[ " << m(1,0) << " " << m(1,1) << " " << m(1,2) << " " << m(1,3) << " ]  " << std::endl
@@ -221 +221 @@
 
 void DebugShadowMap::ViewData::setDebugPolytope
-    ( const char * name, const ConvexPolyhedron & polytope, 
+    ( const char * name, const ConvexPolyhedron & polytope,
       osg::Vec4 colorOutline, osg::Vec4 colorInside )
 {
     if( !getDebugDraw() ) return;
 
-    if( &polytope == NULL ) { // delete        
+    if( &polytope == NULL ) { // delete
         PolytopeGeometry & pg = _polytopeGeometryMap[ std::string( name ) ];
         for( unsigned int i = 0; i < VECTOR_LENGTH( pg._geometry ) ; i++ )
@@ -257 +257 @@
             }
 
-            if( _geode[i].valid() && 
+            if( _geode[i].valid() &&
                   !_geode[i]->containsDrawable( pg._geometry[i].get() ) ) {
-                        osg::Geode::DrawableList & dl = 
+                        osg::Geode::DrawableList & dl =
                            const_cast< osg::Geode::DrawableList &>
                               ( _geode[i]->getDrawableList() );
                         dl.insert( dl.begin(), pg._geometry[i].get() );
-            }            
-        }       
+            }
+        }
     }
 }
@@ -275 +275 @@
 
     const int num = 2; // = VECTOR_LENGTH( PolytopeGeometry::_geometry );
-    
-    osg::Matrix    
-        transform[ num ] = 
-            { viewCam->getViewMatrix() * 
+
+    osg::Matrix
+        transform[ num ] =
+            { viewCam->getViewMatrix() *
                 // use near far clamped projection ( precomputed in cullDebugGeometry )
                 ( _viewCamera==viewCam ? _viewProjection : viewCam->getProjectionMatrix() ),
-              shadowCam->getViewMatrix() * shadowCam->getProjectionMatrix() }, 
-        inverse[ num ] = 
+              shadowCam->getViewMatrix() * shadowCam->getProjectionMatrix() },
+        inverse[ num ] =
             { osg::Matrix::inverse( transform[0] ),
               osg::Matrix::inverse( transform[1] ) };
@@ -293 +293 @@
         frustum[i].transform( inverse[i], transform[i] );
 #else
-        frustum[i].transform 
+        frustum[i].transform
             ( osg::Matrix::inverse( camera[i]->getProjectionMatrix() ),
               camera[i]->getProjectionMatrix() );
-        frustum[i].transform 
+        frustum[i].transform
             ( osg::Matrix::inverse( camera[i]->getViewMatrix() ),
               camera[i]->getViewMatrix() );
-#endif        
+#endif
     };
 #else
@@ -321 +321 @@
         {
 
-            ConvexPolyhedron cp( pg._polytope );        
+            ConvexPolyhedron cp( pg._polytope );
             cp.cut( frustum[i] );
             cp.transform( transform[i], inverse[i] );
@@ -332 +332 @@
 
 void DebugShadowMap::ViewData::cullDebugGeometry( )
-{   
+{
     if( !getDebugDraw() ) return;
     if( !_camera.valid() ) return;
 
-    // View camera may use clamping projection matrix after traversal. 
+    // View camera may use clamping projection matrix after traversal.
     // Since we need to know exact matrix for drawing the frusta,
-    // we have to compute it here in exactly the same way as cull visitor 
+    // we have to compute it here in exactly the same way as cull visitor
     // will after cull traversal completes view camera subgraph.
     {
@@ -347 +347 @@
 
             // Redo steps from CullVisitor::popProjectionMatrix()
-            // which clamps projection matrix when Camera & Projection 
+            // which clamps projection matrix when Camera & Projection
             // completes traversal of their children
 
-            // We have to do this now manually 
-            // because we did not complete camera traversal yet but 
+            // We have to do this now manually
+            // because we did not complete camera traversal yet but
             // we need to know how this clamped projection matrix will be
 
             _cv->computeNearPlane();
-        
+
             osgUtil::CullVisitor::value_type n = _cv->getCalculatedNearPlane();
             osgUtil::CullVisitor::value_type f = _cv->getCalculatedFarPlane();
@@ -363 +363 @@
         }
     }
-    
+
     updateDebugGeometry( _viewCamera.get(), _camera.get() );
-    
-#if 1 // Add geometries of polytopes to main cam Render Stage 
+
+#if 1 // Add geometries of polytopes to main cam Render Stage
     _transform[0]->accept( *_cv );
 #else
@@ -401 +401 @@
     {
         // view can be a slave that covers only a fraction of the screen
-        // so adjust debug hud location to proper viewport location 
+        // so adjust debug hud location to proper viewport location
         _viewportOrigin[0] += vp->x();
         _viewportOrigin[1] += vp->y();
@@ -414 +414 @@
     _orthoSize                = st->_orthoSize;
     _orthoOrigin              = st->_orthoOrigin;
-    
+
     _depthColorFragmentShader = st->_depthColorFragmentShader;
 
@@ -421 +421 @@
     _geode[0] = new osg::Geode;
     _geode[1] = new osg::Geode;
-    
+
     _cameraDebugHUD           = NULL;//Force debug HUD rebuild ( if needed )
 }
@@ -427 +427 @@
 
 // Callback used by debugging hud to display Shadow Map to color buffer
-// Had to do it this way because OSG does not allow to use 
-// the same GL Texture Id with different glTexParams. 
-// Callback simply turns compare mode off via GL while rendering hud and 
-// restores it before rendering the scene with shadows. 
-class DebugShadowMap::DrawableDrawWithDepthShadowComparisonOffCallback: 
+// Had to do it this way because OSG does not allow to use
+// the same GL Texture Id with different glTexParams.
+// Callback simply turns compare mode off via GL while rendering hud and
+// restores it before rendering the scene with shadows.
+class DebugShadowMap::DrawableDrawWithDepthShadowComparisonOffCallback:
     public osg::Drawable::DrawCallback
 {
 public:
-    DrawableDrawWithDepthShadowComparisonOffCallback( osg::Texture *pTex ) 
+    DrawableDrawWithDepthShadowComparisonOffCallback( osg::Texture *pTex )
         : _pTexture( pTex )
     {
@@ -451 +451 @@
 
         // Turn it back on
-        glTexParameteri( _pTexture->getTextureTarget(), GL_TEXTURE_COMPARE_MODE_ARB, 
-            GL_COMPARE_R_TO_TEXTURE_ARB );            
+        glTexParameteri( _pTexture->getTextureTarget(), GL_TEXTURE_COMPARE_MODE_ARB,
+            GL_COMPARE_R_TO_TEXTURE_ARB );
     }
 
@@ -460 +460 @@
 void DebugShadowMap::ViewData::dump( const std::string & filename )
 {
-    osg::ref_ptr< osg::Group > root = new osg::Group;    
+    osg::ref_ptr< osg::Group > root = new osg::Group;
     osgUtil::CullVisitor * cv = _cv.get();
 
@@ -487 +487 @@
         {
 
-            ConvexPolyhedron cp( pg._polytope );        
+            ConvexPolyhedron cp( pg._polytope );
 
             pg._geometry[i] = cp.buildGeometry
@@ -505 +505 @@
 
 void DebugShadowMap::ViewData::createDebugHUD( )
-{    
+{
     _cameraDebugHUD = new osg::Camera;
 
@@ -519 +519 @@
     }
 
-    { // Initialize hud camera    
+    { // Initialize hud camera
         osg::Camera * camera = _cameraDebugHUD.get();
         camera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
@@ -527 +527 @@
                              _viewportSize[0], _viewportSize[1] );
 
-        camera->setProjectionMatrixAsOrtho( 
-                _orthoOrigin[0], _orthoOrigin[0] + _orthoSize[0], 
+        camera->setProjectionMatrixAsOrtho(
+                _orthoOrigin[0], _orthoOrigin[0] + _orthoSize[0],
                 _orthoOrigin[1], _orthoOrigin[1] + _orthoSize[1],
-                -10, 10 );   
+                -10, 10 );
 
         camera->setClearMask(GL_DEPTH_BUFFER_BIT);
@@ -541 +541 @@
         _cameraDebugHUD->addChild(geode);
 
-        // finally create and attach hud geometry 
+        // finally create and attach hud geometry
         osg::Geometry* geometry = osg::createTexturedQuadGeometry
             ( osg::Vec3(_hudOrigin[0],_hudOrigin[1],0),
-              osg::Vec3(_hudSize[0],0,0), 
+              osg::Vec3(_hudSize[0],0,0),
               osg::Vec3(0,_hudSize[1],0) );
-    
+
         osg::StateSet* stateset = _cameraDebugHUD->getOrCreateStateSet();
         stateset->setTextureAttribute(0,_texture.get(),osg::StateAttribute::ON );
@@ -554 +554 @@
             ( new osg::Depth( osg::Depth::ALWAYS, 0, 1, false ) );
         stateset->setMode(GL_BLEND,osg::StateAttribute::ON);
-    
+
         osg::Program* program = new osg::Program;
         program->addShader( _depthColorFragmentShader.get() );
@@ -573 +573 @@
         stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
         stateset->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
-        stateset->setAttribute( new osg::Program() );           
+        stateset->setAttribute( new osg::Program() );
         stateset->setAttributeAndModes
             ( new osg::Depth( osg::Depth::LEQUAL, 0, 1, false ) );
@@ -586 +586 @@
 
         _transform[1]->setMatrix
-            ( osg::Matrix::translate( 1, 1, 0 ) * 
+            ( osg::Matrix::translate( 1, 1, 0 ) *
               osg::Matrix::scale( 0.5, 0.5, 1 ) *
-              osg::Matrix::scale( _hudSize[0], _hudSize[1], 1 ) * 
+              osg::Matrix::scale( _hudSize[0], _hudSize[1], 1 ) *
               osg::Matrix::translate( _hudOrigin[0], _hudOrigin[1], 0 ) );
 
@@ -598 +598 @@
      ( const osg::Matrix & mvpwView,
        const osg::Matrix & mvpwShadow,
-       const osg::Vec3d & vWorld, 
+       const osg::Vec3d & vWorld,
        const osg::Vec3d & vDelta )
 {
@@ -609 +609 @@
     osg::Vec3d dV = vV1 - vV0;
     osg::Vec3d dS = vS1 - vS0;
-    
+
     return osg::Vec3( dS[0] / dV[0], dS[1] / dV[1], dS[2] / dV[2] );
 }
 
 void DebugShadowMap::ViewData::displayShadowTexelToPixelErrors
-  ( const osg::Camera* viewCamera, 
-    const osg::Camera* shadowCamera, 
+  ( const osg::Camera* viewCamera,
+    const osg::Camera* shadowCamera,
     const ConvexPolyhedron* hull )
 {
@@ -628 +628 @@
         shadowCamera->getViewport()->computeWindowMatrix();
 
-    osg::BoundingBox bb = 
+    osg::BoundingBox bb =
         hull->computeBoundingBox( viewCamera->getViewMatrix() );
 
@@ -644 +644 @@
         << "ne=(" << vne[0] << "," << vne[1] << "," << vne[2] << ")  "
         << "fe=(" << vfe[0] << "," << vfe[1] << "," << vfe[2] << ")  "
-        << "me=(" << vme[0] << "," << vme[1] << "," << vme[2] << ")  " 
+        << "me=(" << vme[0] << "," << vme[1] << "," << vme[2] << ")  "
         << "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"
         << "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"