/usr/include/crystalspace-2.0/csplugincommon/rendermanager/ is in libcrystalspace-dev 2.0+dfsg-1build1.
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/usr/include/crystalspace-2.0/csplugincommon/rendermanager/autofx_framebuffertex.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/autofx_reflrefr.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/debugcommon.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/dependenttarget.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/hdrexposure.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/hdrexposure_luminance.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/hdrhelper.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/lightsetup.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/occluvis.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/operations.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/portalsetup.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/posteffects.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/posteffectssupport.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/render.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/rendergroupinghandler.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/renderlayers.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/rendertree.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/renderview.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/shadersetup.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/shadow_common.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/shadow_pssm.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/standardsorter.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/standardtreetraits.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/svarrayholder.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/svsetup.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/svtraverse.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/texturecache.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/viscull.h
/usr/include/crystalspace-2.0/csplugincommon/rendermanager/viscullcommon.h