public IRenderGroupState GetOrCreateState(GraphicsDevice device, IPipelineState pso, PrimitiveTopology pt, VertexLayoutDescription vl)
{
var modelOffset = 64u;
if (device.UniformBufferMinOffsetAlignment > 64)
{
modelOffset = device.UniformBufferMinOffsetAlignment;
}
var maxAllowedDrawables = 65536u / modelOffset;
var key = new Tuple <IPipelineState, PrimitiveTopology, VertexLayoutDescription>(pso, pt, vl);
if (RenderGroupStateCache.TryGetValue(key, out var renderGroupStateList))
{
// Check to see if this state list can accept any more drawables, if not, allocate a new one
foreach (var renderGroupState in renderGroupStateList)
{
if (renderGroupState.Elements.Count < maxAllowedDrawables)
{
return(renderGroupState);
}
}
renderGroupStateList.Add(RenderGroupState.Create(pso, pt, vl));
return(renderGroupStateList.Last());
}
renderGroupStateList = new List <IRenderGroupState> {
RenderGroupState.Create(pso, pt, vl)
};
RenderGroupStateCache.Add(key, renderGroupStateList);
return(renderGroupStateList.Last());
}
public IRenderGroupState GetOrCreateState(IPipelineState pso, PrimitiveTopology pt, VertexLayoutDescription vl)
{
var key = new Tuple <IPipelineState, PrimitiveTopology, VertexLayoutDescription>(pso, pt, vl);
if (RenderGroupStateCache.TryGetValue(key, out var renderGroupState))
{
return(renderGroupState);
}
renderGroupState = RenderGroupState.Create(pso, pt, vl);
RenderGroupStateCache.Add(key, renderGroupState);
return(renderGroupState);
}
