public static DrawBat GetBatch(Shader shader, Texture2D texture)
{
if (curBatch != null)
{
if (curBatch.shader == shader && curBatch.texture == texture)
{
return(curBatch);
}
curBatch.Close();
}
curQueue += 1;
// if there is a prevBatch that matches
for (var node = prevBatches.First; node != null; node = node.Next)
{
curBatch = node.Value;
if (curBatch.shader == shader && curBatch.texture == texture)
{
prevBatches.Remove(node);
curBatch.Open(curQueue);
activeBatches.AddLast(curBatch);
return(curBatch);
}
}
// if there is an inactiveBatch that matches
for (var node = inactiveBatches.First; node != null; node = node.Next)
{
curBatch = node.Value;
if (curBatch.shader == shader && curBatch.texture == texture)
{
inactiveBatches.Remove(node);
curBatch.Activate();
curBatch.Open(curQueue);
activeBatches.AddLast(curBatch);
return(curBatch);
}
}
// create a new batch
curBatch = new DrawBat(shader, texture);
curBatch.Open(curQueue);
activeBatches.AddLast(curBatch);
return(curBatch);
}
public static void Finish()
{
for (var node = prevBatches.First; prevBatches.Count > 0; node = prevBatches.First)
{
node.Value.Deactivate();
inactiveBatches.AddLast(node.Value);
prevBatches.RemoveFirst();
}
// Same as prevBatches.AddRange(activeBatches); activeBatches.Clear();
var swap = prevBatches;
prevBatches = activeBatches;
activeBatches = swap;
if (curBatch != null)
{
curBatch.Close();
curBatch = null;
}
}
public static void Start()
{
curQueue = TransparentQueue + 1;
curBatch = null;
}