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From Gino van den Bergen, "Added support for vrml primitive caching"

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This commit is contained in:
Robert Osfield
2008-06-18 10:51:02 +00:00
parent 7dc3ad4b5e
commit bc79df7cd8
4 changed files with 101 additions and 28 deletions
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77
src/osgPlugins/vrml/Primitives.cpp
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@@ -18,14 +18,19 @@
#include <osg/CullFace>
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Box(openvrml::vrml97_node::box_node* vrml_box)
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Box(openvrml::vrml97_node::box_node* vrml_box) const
{
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
const openvrml::vec3f& size = static_cast<const openvrml::sfvec3f&>(vrml_box->field("size")).value;
osg::Vec3 halfSize(size[0] * 0.5f, size[1] * 0.5f, size[2] * 0.5f);
BoxLibrary::const_iterator it = m_boxLibrary.find(halfSize);
if (it != m_boxLibrary.end())
{
return (*it).second.get();
}
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> osg_vertices = new osg::Vec3Array();
osg::ref_ptr<osg::Vec2Array> osg_texcoords = new osg::Vec2Array();
osg::ref_ptr<osg::Vec3Array> osg_normals = new osg::Vec3Array();
@@ -88,16 +93,23 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Box(openvrml::vrml97
osg_geom->getOrCreateStateSet()->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
m_boxLibrary[halfSize] = osg_geom;
return osg_geom.get();
}
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Sphere(openvrml::vrml97_node::sphere_node* vrml_sphere)
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Sphere(openvrml::vrml97_node::sphere_node* vrml_sphere) const
{
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
float radius = static_cast<const openvrml::sffloat&>(vrml_sphere->field("radius")).value;
SphereLibrary::const_iterator it = m_sphereLibrary.find(radius);
if (it != m_sphereLibrary.end())
{
return (*it).second.get();
}
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> osg_vertices = new osg::Vec3Array();
osg::ref_ptr<osg::Vec2Array> osg_texcoords = new osg::Vec2Array();
osg::ref_ptr<osg::Vec3Array> osg_normals = new osg::Vec3Array();
@@ -160,17 +172,28 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Sphere(openvrml::vrm
osg_geom->getOrCreateStateSet()->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
m_sphereLibrary[radius] = osg_geom;
return osg_geom.get();
}
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cone(openvrml::vrml97_node::cone_node* vrml_cone)
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cone(openvrml::vrml97_node::cone_node* vrml_cone) const
{
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
float height = static_cast<const openvrml::sffloat&>(vrml_cone->field("height")).value;
float radius = static_cast<const openvrml::sffloat&>(vrml_cone->field("bottomRadius")).value;
bool bottom = static_cast<const openvrml::sfbool&>(vrml_cone->field("bottom")).value;
bool side = static_cast<const openvrml::sfbool&>(vrml_cone->field("side")).value;
QuadricKey key(height, radius, bottom, side, false);
ConeLibrary::const_iterator it = m_coneLibrary.find(key);
if (it != m_coneLibrary.end())
{
return (*it).second.get();
}
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> osg_vertices = new osg::Vec3Array();
osg::ref_ptr<osg::Vec2Array> osg_texcoords = new osg::Vec2Array();
osg::ref_ptr<osg::Vec3Array> osg_normals = new osg::Vec3Array();
@@ -182,7 +205,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cone(openvrml::vrml9
float topY = height * 0.5f;
float bottomY = height * -0.5f;
if (static_cast<const openvrml::sfbool&>(vrml_cone->field("side")).value)
if (side)
{
osg::ref_ptr<osg::DrawArrays> side = new osg::DrawArrays(osg::PrimitiveSet::QUAD_STRIP);
@@ -226,7 +249,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cone(openvrml::vrml9
osg_geom->addPrimitiveSet(side.get());
}
if (static_cast<const openvrml::sfbool&>(vrml_cone->field("bottom")).value)
if (bottom)
{
osg::ref_ptr<osg::DrawArrays> bottom = new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_FAN);
@@ -263,16 +286,28 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cone(openvrml::vrml9
osg_geom->getOrCreateStateSet()->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
m_coneLibrary[key] = osg_geom;
return osg_geom.get();
}
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::vrml97_node::cylinder_node* vrml_cylinder)
osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::vrml97_node::cylinder_node* vrml_cylinder) const
{
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
float height = static_cast<const openvrml::sffloat&>(vrml_cylinder->field("height")).value;
float radius = static_cast<const openvrml::sffloat&>(vrml_cylinder->field("radius")).value;
bool bottom = static_cast<const openvrml::sfbool&>(vrml_cylinder->field("bottom")).value;
bool side = static_cast<const openvrml::sfbool&>(vrml_cylinder->field("side")).value;
bool top = static_cast<const openvrml::sfbool&>(vrml_cylinder->field("top")).value;
QuadricKey key(height, radius, bottom, side, top);
CylinderLibrary::const_iterator it = m_cylinderLibrary.find(key);
if (it != m_cylinderLibrary.end())
{
return (*it).second.get();
}
osg::ref_ptr<osg::Geometry> osg_geom = new osg::Geometry();
osg::ref_ptr<osg::Vec3Array> osg_vertices = new osg::Vec3Array();
osg::ref_ptr<osg::Vec2Array> osg_texcoords = new osg::Vec2Array();
osg::ref_ptr<osg::Vec3Array> osg_normals = new osg::Vec3Array();
@@ -285,7 +320,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::v
float topY = height * 0.5f;
float bottomY = height * -0.5f;
if (static_cast<const openvrml::sfbool&>(vrml_cylinder->field("side")).value)
if (side)
{
osg::ref_ptr<osg::DrawArrays> side = new osg::DrawArrays(osg::PrimitiveSet::QUAD_STRIP);
@@ -326,7 +361,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::v
osg_geom->addPrimitiveSet(side.get());
}
if (static_cast<const openvrml::sfbool&>(vrml_cylinder->field("bottom")).value)
if (bottom)
{
osg::ref_ptr<osg::DrawArrays> bottom = new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_FAN);
@@ -355,7 +390,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::v
osg_geom->addPrimitiveSet(bottom.get());
}
if (static_cast<const openvrml::sfbool&>(vrml_cylinder->field("top")).value)
if (top)
{
osg::ref_ptr<osg::DrawArrays> top = new osg::DrawArrays(osg::PrimitiveSet::TRIANGLE_FAN);
@@ -391,5 +426,7 @@ osg::ref_ptr<osg::Geometry> ReaderWriterVRML2::convertVRML97Cylinder(openvrml::v
osg_geom->getOrCreateStateSet()->setAttributeAndModes(new osg::CullFace(osg::CullFace::BACK));
m_cylinderLibrary[key] = osg_geom;
return osg_geom.get();
}