Call glColorMaterial before enabling GL_COLOR_MATERIAL.
http://www.opengl.org/documentation/specs/man_pages/hardcopy/GL/html/gl/ colormaterial.html osg: void Material::apply(State&) const { ... glEnable(GL_COLOR_MATERIAL); glColorMaterial(GL_FRONT_AND_BACK,(GLenum)_colorMode); ... } Any ideas? Richard
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