Method setPrimitiveRange

OgreMain/src/Vao/OgreVertexArrayObject.cpp:91–121

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    }
    //-----------------------------------------------------------------------------------
    void VertexArrayObject::setPrimitiveRange( uint32 primStart, uint32 primCount )
    {
        size_t limit;
        if( mIndexBuffer )
            limit = mIndexBuffer->getNumElements();
        else
        {
            if( !mVertexBuffers.empty() )
                limit = mVertexBuffers[0]->getNumElements();
            else
                limit = std::numeric_limits<uint32>::max();
        }

        if( primStart > limit )
        {
            OGRE_EXCEPT( Exception::ERR_INVALIDPARAMS,
                         "primStart must be less or equal than " + StringConverter::toString( limit ),
                         "VertexArrayObject::setPrimitiveRange" );
        }

        if( primStart + primCount > limit )
        {
            OGRE_EXCEPT(
                Exception::ERR_INVALIDPARAMS,
                "primStart + primCount must be less or equal than " + StringConverter::toString( limit ),
                "VertexArrayObject::setPrimitiveRange" );
        }

        mPrimStart = primStart;
        mPrimCount = primCount;
    }
    //-----------------------------------------------------------------------------------
    const VertexElement2 *VertexArrayObject::findBySemantic( VertexElementSemantic semantic,
                                                             size_t &outIndex, size_t &outOffset,