public void Draw(
ref BitmapDrawCall drawCall,
int?layer = null, bool?worldSpace = null,
BlendState blendState = null, SamplerState samplerState = null,
Material material = null
)
{
if (Container == null)
{
throw new InvalidOperationException("You cannot use the argumentless ImperativeRenderer constructor.");
}
else if (Container.IsReleased)
{
throw new ObjectDisposedException("The container this ImperativeRenderer is drawing into has been disposed.");
}
using (var batch = GetBitmapBatch(
layer, worldSpace,
blendState, samplerState, material
)) {
if (LowPriorityMaterialOrdering)
{
if (material != null)
{
material = Materials.Get(material, RasterizerState, DepthStencilState, blendState ?? BlendState);
}
else
{
material = Materials.GetBitmapMaterial(worldSpace ?? WorldSpace, RasterizerState, DepthStencilState, blendState ?? BlendState);
}
var mmbb = (MultimaterialBitmapBatch)batch;
mmbb.Add(ref drawCall, material, samplerState, samplerState);
}
else
{
batch.Add(ref drawCall);
}
}
}
public BitmapBatch GetBitmapBatch(int?layer, bool?worldSpace, BlendState blendState, SamplerState samplerState)
{
if (Materials == null)
{
throw new InvalidOperationException("You cannot use the argumentless ImperativeRenderer constructor.");
}
var actualLayer = layer.GetValueOrDefault(Layer);
var actualWorldSpace = worldSpace.GetValueOrDefault(WorldSpace);
var desiredBlendState = blendState ?? BlendState;
var desiredSamplerState = samplerState ?? SamplerState;
CachedBatch cacheEntry;
if (!Cache.TryGet <BitmapBatch>(
out cacheEntry,
container: Container,
layer: actualLayer,
worldSpace: actualWorldSpace,
rasterizerState: RasterizerState,
depthStencilState: DepthStencilState,
blendState: desiredBlendState,
samplerState: desiredSamplerState,
useZBuffer: UseZBuffer
))
{
var material = Materials.GetBitmapMaterial(
actualWorldSpace,
RasterizerState, DepthStencilState, desiredBlendState
);
cacheEntry.Batch = BitmapBatch.New(Container, actualLayer, material, desiredSamplerState, desiredSamplerState, UseZBuffer);
Cache.InsertAtFront(ref cacheEntry, null);
}
if (AutoIncrementLayer && !layer.HasValue)
{
Layer += 1;
}
return((BitmapBatch)cacheEntry.Batch);
}