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#5463: Optimizer fix, problem was indeed related to tangents not being transformd properly.

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psi29a 2020-06-18 17:23:16 +00:00 committed by Alexei Dobrohotov
parent 142a9e772b
commit f94ca28dbe
1 changed files with 19 additions and 4 deletions
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23
components/sceneutil/optimizer.cpp
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@ -358,6 +358,21 @@ void CollectLowestTransformsVisitor::doTransform(osg::Object* obj,osg::Matrix& m
{ {
osgUtil::TransformAttributeFunctor tf(matrix); osgUtil::TransformAttributeFunctor tf(matrix);
drawable->accept(tf); drawable->accept(tf);
osg::Geometry *geom = drawable->asGeometry();
osg::Vec4Array* tangents = geom ? dynamic_cast<osg::Vec4Array*>(geom->getTexCoordArray(7)) : nullptr;
if (tangents)
{
for (unsigned int i=0; i<tangents->size(); ++i)
{
osg::Vec4f& itr = (*tangents)[i];
osg::Vec3f vec3 (itr.x(), itr.y(), itr.z());
vec3 = osg::Matrix::transform3x3(tf._im, vec3);
vec3.normalize();
itr = osg::Vec4f(vec3.x(), vec3.y(), vec3.z(), itr.w());
}
}
drawable->dirtyBound(); drawable->dirtyBound();
drawable->dirtyDisplayList(); drawable->dirtyDisplayList();
@ -614,12 +629,12 @@ void Optimizer::FlattenStaticTransformsVisitor::apply(osg::Drawable& drawable)
if((geometry) && (isOperationPermissibleForObject(&drawable))) if((geometry) && (isOperationPermissibleForObject(&drawable)))
{ {
osg::VertexBufferObject* vbo = nullptr; osg::VertexBufferObject* vbo = nullptr;
if(geometry->getVertexArray() && geometry->getVertexArray()->referenceCount() > 1) { if(geometry->getVertexArray() && geometry->getVertexArray()->referenceCount() > 1)
geometry->setVertexArray(cloneArray(geometry->getVertexArray(), vbo, geometry)); geometry->setVertexArray(cloneArray(geometry->getVertexArray(), vbo, geometry));
} if(geometry->getNormalArray() && geometry->getNormalArray()->referenceCount() > 1)
if(geometry->getNormalArray() && geometry->getNormalArray()->referenceCount() > 1) {
geometry->setNormalArray(cloneArray(geometry->getNormalArray(), vbo, geometry)); geometry->setNormalArray(cloneArray(geometry->getNormalArray(), vbo, geometry));
} if(geometry->getTexCoordArray(7) && geometry->getTexCoordArray(7)->referenceCount() > 1) // tangents
geometry->setTexCoordArray(7, cloneArray(geometry->getTexCoordArray(7), vbo, geometry));
} }
_drawableSet.insert(&drawable); _drawableSet.insert(&drawable);
} }