public static unsafe void RunIJob <T>(ref T jobData, JobRunWithoutJobSystemDelegate functionPointer) where T : unmanaged, IJob, IJobBase
{
var managedJobDataPtr = UnsafeUtility.AddressOf(ref jobData);
var unmanagedSize = jobData.GetUnmanagedJobSize_Gen();
if (unmanagedSize != -1)
{
const int kAlignment = 16;
int alignedSize = (unmanagedSize + kAlignment - 1) & ~(kAlignment - 1);
byte * unmanagedJobData = stackalloc byte[alignedSize];
byte * alignedUnmanagedJobData = (byte *)((UInt64)(unmanagedJobData + kAlignment - 1) & ~(UInt64)(kAlignment - 1));
// DOTS Runtime job marshalling code assumes the job is wrapped so create the wrapper and assign the jobData
IJobExtensions.JobProducer <T> jobStructData = default;
jobStructData.JobData = jobData;
byte *jobStructDataPtr = (byte *)UnsafeUtility.AddressOf(ref jobStructData);
byte *dst = (byte *)alignedUnmanagedJobData;
byte *src = (byte *)jobStructDataPtr;
var marshalToBurstFnPtr = JobMarshalFnLookup <T> .GetMarshalToBurstFn();
UnsafeUtility.EnterTempScope();
try
{
UnsafeUtility.CallFunctionPtr_pp(marshalToBurstFnPtr.ToPointer(), dst, src);
// In the case of JobStruct we know the jobwrapper doesn't add
// anything to the jobData so just pass it along, no offset required unlike JobChunk
functionPointer(alignedUnmanagedJobData);
// Since Run can capture locals for write back, we must write back the marshalled jobData after the job executes
var marshalFromBurstFnPtr = JobMarshalFnLookup <T> .GetMarshalFromBurstFn();
UnsafeUtility.CallFunctionPtr_pp(marshalFromBurstFnPtr.ToPointer(), src, dst);
}
finally
{
UnsafeUtility.ExitTempScope();
}
jobData = jobStructData.JobData;
}
else
{
functionPointer(managedJobDataPtr);
}
}
public static JobRunWithoutJobSystemDelegate BurstCompile(JobRunWithoutJobSystemDelegate d) =>
#if !NET_DOTS
BurstCompiler.CompileFunctionPointer(d).Invoke;
public static unsafe void RunIJob <T>(ref T jobData, JobRunWithoutJobSystemDelegate functionPointer) where T : unmanaged, IJob
{
functionPointer(UnsafeUtility.AddressOf(ref jobData));
}
// Unsafe methods used to provide access for source-generated code.
// Do not use these methods outside of source-generated code.
// Unsafe methods to run jobs (replacing ILPP invoked methods)
public static unsafe void UnsafeRunIJob(void *jobPtr, JobRunWithoutJobSystemDelegate functionPointer)
{
functionPointer(jobPtr);
}
