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Allow shadowsbin to optimise clockwise-wound meshes when face culling is off

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This commit is contained in:
AnyOldName3 2020-12-23 01:24:15 +00:00
parent a36ed5f129
commit 11b4af49ce
3 changed files with 31 additions and 8 deletions
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6
components/sceneutil/mwshadowtechnique.cpp
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@ -870,7 +870,10 @@ void SceneUtil::MWShadowTechnique::enableFrontFaceCulling()
_useFrontFaceCulling = true;
if (_shadowCastingStateSet)
{
_shadowCastingStateSet->setAttribute(new osg::CullFace(osg::CullFace::FRONT), osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
_shadowCastingStateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF);
}
}
void SceneUtil::MWShadowTechnique::disableFrontFaceCulling()
@ -878,7 +881,10 @@ void SceneUtil::MWShadowTechnique::disableFrontFaceCulling()
_useFrontFaceCulling = false;
if (_shadowCastingStateSet)
{
_shadowCastingStateSet->removeAttribute(osg::StateAttribute::CULLFACE);
_shadowCastingStateSet->setMode(GL_CULL_FACE, osg::StateAttribute::OFF | osg::StateAttribute::OVERRIDE);
}
}
void SceneUtil::MWShadowTechnique::setupCastingShader(Shader::ShaderManager & shaderManager)