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From Johan Nouvel, fix to handling of transparent textured objects.

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Tweak from Robert Osfield, commented out disabling of depth write as this is not appropriate by default.
This commit is contained in:
Robert Osfield
2009-06-08 09:47:27 +00:00
parent aa69137fb8
commit 0fe8084499
1 changed files with 12 additions and 2 deletions
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14
src/osgPlugins/vrml/ReaderWriterVRML2.cpp
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@@ -385,8 +385,9 @@ osg::ref_ptr<osg::Node> ReaderWriterVRML2::convertFromVRML(openvrml::node *obj)
{
osg_mat->setTransparency(osg::Material::FRONT_AND_BACK, vrml_material->transparency());
osg_stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
osg_stateset->setAttribute(new osg::Depth(osg::Depth::LESS, 0.0, 1.0, false)); // GvdB: transparent objects do not write depth
osg_stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
// commenting out osg:::Depth entry as it's not usual for transparent objects to disable depth.
// osg_stateset->setAttribute(new osg::Depth(osg::Depth::LESS, 0.0, 1.0, false)); // GvdB: transparent objects do not write depth
}
else
{
@@ -438,7 +439,7 @@ osg::ref_ptr<osg::Node> ReaderWriterVRML2::convertFromVRML(openvrml::node *obj)
const openvrml::sfbool *sfb = dynamic_cast<const openvrml::sfbool *>(wrap_fv.get());
if (!sfb->value())
texture->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP);
texture->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP);
}
catch (...)
{
@@ -447,6 +448,15 @@ osg::ref_ptr<osg::Node> ReaderWriterVRML2::convertFromVRML(openvrml::node *obj)
osg_stateset->setTextureAttributeAndModes(0, texture.get());
//osg_stateset->setMode(GL_BLEND,osg::StateAttribute::ON); //bhbn
if(image->isImageTranslucent())
{
osg_stateset->setMode(GL_BLEND, osg::StateAttribute::ON);
osg_stateset->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
// commenting out osg:::Depth entry as it's not usual for transparent objects to disable depth.
osg_stateset->setAttribute(new osg::Depth(osg::Depth::LESS, 0.0, 1.0, false)); // GvdB: transparent objects do not write depth
}
}
else