private OccluderParametersResources(Device device, OccluderParameters parameters)
{
vertexCount = parameters.BaseOcclusion.Length;
channelWeightsBufferManager = new StructuredBufferManager <float>(device, parameters.ChannelNames.Count);
baseOcclusionView = BufferUtilities.ToStructuredBufferView(device, parameters.BaseOcclusion);
occlusionDeltaWeightSegmentsView = BufferUtilities.ToStructuredBufferView(device, parameters.Deltas.Segments);
occlusionDeltaWeightElemsView = BufferUtilities.ToStructuredBufferView(device, parameters.Deltas.Elems);
calculatedInfosBuffersBufferManager = new InOutStructuredBufferManager <uint>(device, parameters.BaseOcclusion.Length);
}
public OccluderParameters CalculateOccluderParameters()
{
var baseInputs = MakePosedShapeInputs();
var baseOutputs = figure.Evaluate(null, baseInputs);
var baseOcclusionInfos = CalculateOcclusion(baseOutputs);
List <Channel> channels = new List <Channel>();
List <List <OcclusionDelta> > perVertexDeltas = new List <List <OcclusionDelta> >();
for (int i = 0; i < baseOcclusionInfos.Length; ++i)
{
perVertexDeltas.Add(new List <OcclusionDelta>());
}
foreach (var channel in GetChannelsForOcclusionSystem())
{
Console.WriteLine($"\t{channel.Name}...");
int occlusionChannelIdx = channels.Count;
channels.Add(channel);
var inputs = new ChannelInputs(baseInputs);
channel.SetValue(inputs, 1);
var outputs = figure.Evaluate(null, inputs);
var occlusionInfos = CalculateOcclusion(outputs);
for (int vertexIdx = 0; vertexIdx < occlusionInfos.Length; ++vertexIdx)
{
if (Math.Abs(occlusionInfos[vertexIdx].Front - baseOcclusionInfos[vertexIdx].Front) > OcclusionDifferenceThreshold)
{
var delta = new OcclusionDelta(occlusionChannelIdx, OcclusionInfo.Pack(occlusionInfos[vertexIdx]));
perVertexDeltas[vertexIdx].Add(delta);
}
}
}
var parameters = new OccluderParameters(
OcclusionInfo.PackArray(baseOcclusionInfos),
channels.Select(channel => channel.Name).ToList(),
PackedLists <OcclusionDelta> .Pack(perVertexDeltas));
return(parameters);
}
public static OccluderParametersResources Make(Device device, OccluderParameters parameters)
{
return(parameters != null ? new OccluderParametersResources(device, parameters) : null);
}
public DeformableOccluder(Device device, ShaderCache shaderCache, ChannelSystem channelSystem, OcclusionInfo[] unmorphedOcclusionInfos, OccluderParameters parameters)
{
this.unmorphedOcclusionInfos = unmorphedOcclusionInfos;
shader = shaderCache.GetComputeShader <DeformableOccluder>("figure/occlusion/shader/Occluder");
unmorphedWithoutChildrenOcclusionInfosView = BufferUtilities.ToStructuredBufferView(device, OcclusionInfo.PackArray(unmorphedOcclusionInfos));
unmorphedWithChildrenOcclusionInfosBufferManager = new StructuredBufferManager <uint>(device, unmorphedOcclusionInfos.Length);
parametersResources = OccluderParametersResources.Make(device, parameters);
channelIndices = parameters.ChannelNames
.Select(channelName => channelSystem.ChannelsByName[channelName].Index)
.ToArray();
}
