/// <summary>
/// Creates a slot for storing a particular effect instantiation (per RenderObject).
/// </summary>
/// As an example, we could have main shader (automatically created), GBuffer shader and shadow mapping shader.
/// <returns></returns>
public EffectPermutationSlot CreateEffectPermutationSlot(string effectName)
{
// Allocate effect slot
// TODO: Should we allow/support this to be called after Initialize()?
int slot;
if (!effectPermutationSlots.TryGetValue(effectName, out slot))
{
if (effectPermutationSlots.Count >= 32)
{
throw new InvalidOperationException("Only 32 effect slots are currently allowed for meshes");
}
slot = effectPermutationSlots.Count;
effectPermutationSlots.Add(effectName, slot);
// Add render effect slot
RenderData.ChangeDataMultiplier(RenderEffectKey, EffectPermutationSlotCount);
}
return(new EffectPermutationSlot(slot));
}
