internal Enumerator(ref DenseList <T> list)
{
Index = -1;
Count = list.Count;
HasList = list._HasList;
if (HasList)
{
Item1 = Item2 = Item3 = Item4 = default(T);
Items = list.Items.GetBuffer();
}
else
{
Item1 = list.Item1;
Item2 = list.Item2;
Item3 = list.Item3;
Item4 = list.Item4;
Items = null;
}
}
public void PrepareMany(ref DenseList <Batch> batches, ref Batch.PrepareContext context)
{
if (batches.Count < 2)
{
if (batches.Count == 1)
{
Prepare(batches[0], ref context);
}
return;
}
var task = default(Task);
task.Context = context;
foreach (var b in batches)
{
ValidateBatch(b, true);
if (b is IBatchContainer container)
{
container.PrepareChildren(ref context);
}
task.Batch = b;
if (context.Async)
{
Queue.Enqueue(ref task, false);
}
else
{
task.Execute();
}
task = new Task(b, ref context);
}
}
/// <summary>
/// Scans over a list of batches and applies batch combiners to reduce the total number of batches sent to the GPU and
/// improve batch preparation efficiency. Batches eliminated by combination are replaced with null.
/// </summary>
/// <param name="batches">The list of batches to perform a combination pass over.</param>
/// <returns>The number of batches eliminated.</returns>
public static int CombineBatches(ref DenseList <Batch> batches, List <Batch> batchesToRelease)
{
batches.Sort(BatchTypeSorter);
int i = 0, j = i + 1, l = batches.Count, eliminatedCount = 0;
Batch a, b;
Type aType, bType;
var isWritable = false;
var _batches = batches.GetBuffer(false);
while ((i < l) && (j < l))
{
a = _batches[i];
if (a == null)
{
i += 1;
j = i + 1;
continue;
}
aType = a.GetType();
b = _batches[j];
if (b == null)
{
j += 1;
continue;
}
bType = b.GetType();
if ((aType != bType) || (a.Layer != b.Layer))
{
i = j;
j = i + 1;
}
else
{
bool combined = false;
foreach (var combiner in Combiners)
{
if (combined = combiner.CanCombine(a, b))
{
if (!isWritable)
{
isWritable = true;
_batches.Dispose();
_batches = batches.GetBuffer(true);
}
_batches[i] = combiner.Combine(a, b);
_batches[i].Container = a.Container;
lock (batchesToRelease) {
if ((a != _batches[i]) && (a.ReleaseAfterDraw))
{
batchesToRelease.Add(a);
}
}
eliminatedCount += 1;
break;
}
}
j += 1;
}
}
_batches.Dispose();
if (false && eliminatedCount > 0)
{
Console.WriteLine("Eliminated {0:0000} of {1:0000} batch(es)", eliminatedCount, batches.Count);
}
return(eliminatedCount);
}
internal void PrepareMany <T> (DenseList <T> batches)
where T : IBatch
{
Manager.PrepareMany(batches, this);
}
public void AddRange(
BitmapDrawCall[] items, int firstIndex, int count,
Vector2?offset = null, Color?multiplyColor = null, Color?addColor = null,
DrawCallSortKey?sortKey = null, Vector2?scale = null, Material material = null,
Vector4?userData = null, float?multiplyOpacity = null
)
{
if (material != null)
{
throw new ArgumentException("Must be null because this is not a MultimaterialBitmapBatch", nameof(material));
}
bool hasScale = (scale ?? Vector2.One) != Vector2.One,
hasOffset = offset.HasValue,
hasMultiplyColor = multiplyColor.HasValue,
hasAddColor = addColor.HasValue,
hasSortKey = sortKey.HasValue,
hasUserData = userData.HasValue,
hasOpacity = multiplyOpacity.HasValue;
if (
!hasOffset && !hasMultiplyColor && !hasAddColor &&
!hasUserData && !hasSortKey && !hasScale && !hasOpacity
)
{
AddRange(items, firstIndex, count);
return;
}
Vector2 _scale = scale ?? default(Vector2),
_offset = offset ?? default(Vector2);
Color _multiplyColor = multiplyColor ?? default(Color),
_addColor = addColor ?? default(Color);
var _sortKey = sortKey ?? default(DrawCallSortKey);
var _userData = userData ?? default(Vector4);
var _opacity = multiplyOpacity ?? 1.0f;
var newCount = _DrawCalls.Count + count;
_DrawCalls.EnsureCapacity(newCount);
for (int i = 0; i < count; i++)
{
var item = items[i + firstIndex];
if (!BitmapDrawCall.CheckValid(ref item))
{
continue;
}
if (hasScale)
{
item.Position.X *= _scale.X;
item.Position.Y *= _scale.Y;
item.Scale.X *= _scale.X;
item.Scale.Y *= _scale.Y;
}
if (hasOffset)
{
item.Position.X += _offset.X;
item.Position.Y += _offset.Y;
}
if (hasMultiplyColor)
{
if (hasOpacity)
{
item.MultiplyColor = _multiplyColor * _opacity;
}
else
{
item.MultiplyColor = _multiplyColor;
}
}
else if (hasOpacity)
{
item.MultiplyColor *= _opacity;
}
if (hasAddColor)
{
item.AddColor = _addColor;
}
if (hasUserData)
{
item.UserData = _userData;
}
if (hasSortKey)
{
item.SortKey = _sortKey;
}
DenseList <BitmapDrawCall> .UnsafeAddWithKnownCapacity(ref _DrawCalls, ref item);
}
}
internal void PrepareMany(ref DenseList <Batch> batches)
{
Manager.PrepareMany(ref batches, ref this);
}
public PrepareContext(PrepareManager manager, bool async)
{
Manager = manager;
Async = async;
BatchesToRelease = new DenseList <Batch>();
}
