/**
* Linear-time graph coloring using bitmasks and a look-up table. Used to organize contacts into batches for parallel processing.
* input: array of unsorted constraints.
* output:
* - sorted constraints array.
* - array of batchData, one per batch: startIndex, batchSize, workItemSize (at most == batchSize), numWorkItems
* - number of active batches.
*/
public JobHandle BatchConstraints <T>(NativeArray <T> contacts,
int particleCount,
ref NativeArray <T> sortedContacts,
ref NativeArray <BatchData> batchData,
ref NativeArray <int> activeBatchCount,
JobHandle inputDeps) where T : struct, IConstraint
{
if (sortedContacts.Length != contacts.Length || activeBatchCount.Length != 1)
{
return(inputDeps);
}
var batchJob = new BatchContactsJob <T>()
{
batchMasks = new NativeArray <ushort>(particleCount, Allocator.TempJob, NativeArrayOptions.ClearMemory),
batchIndices = new NativeArray <int>(contacts.Length, Allocator.TempJob, NativeArrayOptions.ClearMemory),
lut = batchLUT,
contacts = contacts,
batchData = batchData,
sortedContacts = sortedContacts,
activeBatchCount = activeBatchCount,
maxBatches = maxBatches
};
return(batchJob.Schedule(inputDeps));
}
/**
* Linear-time graph coloring using bitmasks and a look-up table. Used to organize contacts into batches for parallel processing.
* input: array of unsorted constraints.
* output:
* - sorted constraint indices array.
* - array of batchData, one per batch: startIndex, batchSize, workItemSize (at most == batchSize), numWorkItems
* - number of active batches.
*/
public JobHandle BatchConstraints <T>(ref T constraintDesc,
int particleCount,
ref NativeArray <BatchData> batchData,
ref NativeArray <int> activeBatchCount,
JobHandle inputDeps) where T : struct, IConstraintProvider
{
if (activeBatchCount.Length != 1)
{
return(inputDeps);
}
var batchJob = new BatchContactsJob <T>()
{
batchMasks = new NativeArray <ushort>(particleCount, Allocator.TempJob, NativeArrayOptions.ClearMemory),
batchIndices = new NativeArray <int>(constraintDesc.GetConstraintCount(), Allocator.TempJob, NativeArrayOptions.ClearMemory),
lut = batchLUT,
constraintDesc = constraintDesc,
batchData = batchData,
activeBatchCount = activeBatchCount,
maxBatches = maxBatches
};
return(batchJob.Schedule(inputDeps));
}
