Method Config

vgpu/varset.go:113–157

Config must be called after all variables have been added. configures binding / location for all vars based on sequential order. also does validation and returns error message.

(dev vk.Device)

// configures binding / location for all vars based on sequential order.
// also does validation and returns error message.
func (st *VarSet) Config(dev vk.Device) error {
	st.RoleMap = make(map[VarRoles][]*Var)
	var cerr error
	bloc := 0
	for _, vr := range st.Vars {
		if st.Set == VertexSet && vr.Role > Index {
			err := fmt.Errorf("vgpu.VarSet:Config VertexSet cannot contain variables of role: %s  var: %s", vr.Role.String(), vr.Name)
			cerr = err
			if Debug {
				log.Println(err)
			}
			continue
		}
		if st.Set >= 0 && vr.Role <= Index {
			err := fmt.Errorf("vgpu.VarSet:Config Vertex or Index Vars must be located in a VertexSet!  Use AddVertexSet() method instead of AddSet()")
			cerr = err
			if Debug {
				log.Println(err)
			}
		}
		rl := st.RoleMap[vr.Role]
		rl = append(rl, vr)
		st.RoleMap[vr.Role] = rl
		if vr.Role == Index && len(rl) > 1 {
			err := fmt.Errorf("vgpu.VarSet:Config VertexSet should not contain multiple Index variables: %v", rl)
			cerr = err
			if Debug {
				log.Println(err)
			}
		}
		if vr.Role > Storage && (len(st.RoleMap[Uniform]) > 0 || len(st.RoleMap[Storage]) > 0) {
			err := fmt.Errorf("vgpu.VarSet:Config Set with dynamic Uniform or Storage variables should not contain static variables (e.g., textures): %s", vr.Role.String())
			cerr = err
			if Debug {
				log.Println(err)
			}
		}
		vr.BindLoc = bloc
		if vr.Role == TextureRole {
			vr.SetTextureDev(dev)
		}
		bloc++
	}
	return cerr
}

// ConfigValues configures the Values for the vars in this set, allocating
// nvals per variable.  There must be a unique value available for each