/// <summary>
///
/// </summary>
public override void LoadAttachments(IEnumerable <Resource.IDescriptor> resources)
{
// - Skip buffer creation if no resources to load
if (resources.Count() <= 0)
{
return;
}
// - Creates a command buffer for data transfer
var commands = GraphicDevice.Handle.AllocateCommandBuffer(Commands[0], CommandBufferLevel.Primary);
commands.Begin(CommandBufferUsageFlags.OneTimeSubmit);
foreach (Resource.IDescriptor res in resources)
{
switch (res)
{
case Shape.Descriptor shape:
// - Loads the geometry
Geometry pointer = GeometryDispatcher.Load(shape);
// - Set resource loaded in the source thread
shape.SourceScheduler.Add(() =>
{
shape.SetResource(pointer);
shape.SetState(Resource.State.Loaded);
});
break;
default:
throw new Exception($"Resource {res.GetType().Name} does not has a loader.");
}
}
{
// - Upload invalidated vertexs
VertexManager.Upload(commands, 1000);
// - Upload invalidated indexes
IndexManager.Upload(commands, 1000);
}
commands.End();
// - Perform all attachment operations
GraphicDevice.GraphicQueue.Submit
(
new SubmitInfo
{
CommandBuffers = new[] { commands }
},
null
);
// - Free attachment command buffer
Commands[0].FreeCommandBuffers(commands);
// - Wait the GPU (we must operate only when GPU is idle)
GraphicDevice.Handle.WaitIdle();
}