public static ulong PIXEventsReplaceBlock(
PIXEventsThreadInfo *threadInfo,
bool getEarliestTime
)
{
return(_PIXEventsReplaceBlock(threadInfo, getEarliestTime));
}
public static void EndEvent(
ulong *args,
uint argsLength,
PIXEventsThreadInfo *threadInfo,
ulong time
)
{
SerializeForCpuCapture(args, argsLength, threadInfo, time);
}
public static void EndEvent(
ID3D12GraphicsCommandList *context,
ulong *args,
uint argsLength,
PIXEventsThreadInfo *threadInfo,
ulong time
)
{
SerializeForCpuCapture(args, argsLength, threadInfo, time);
EndGPUEventOnContext(context);
}
public static void SetMarker(
ID3D12CommandQueue *context,
ulong *args,
uint argsLength,
PIXEventsThreadInfo *threadInfo,
ulong time
)
{
SerializeForCpuCapture(args, argsLength, threadInfo, time);
SetGPUMarkerOnContext(context, args, argsLength * sizeof(ulong));
}
/*
* This serializes the type, color, context (if not on xbox), etc when a CPU capture occurs
* The if else if won't be entered if CPU capture isn't occuring (PIXGetThreadInfo will return an empty struct)
*/
private static void SerializeForCpuCapture(
ulong *args,
uint argsLength,
PIXEventsThreadInfo *threadInfo,
ulong time
)
{
ulong *destination = threadInfo->Destination;
ulong *limit = threadInfo->BiasedLimit;
if (CanWrite(destination, limit))
{
limit += EventsSafeFastCopySpaceQwords;
CopyArgs(ref destination, limit, args, argsLength);
*destination = EventsBlockEndMarker;
threadInfo->Destination = destination;
}
else if (limit != null) // the old block had ran out, so we got a new one (yay!)
{
if (time == 0)
{
return;
}
destination = threadInfo->Destination;
limit = threadInfo->BiasedLimit;
if (destination >= limit)
{
return;
}
limit += EventsSafeFastCopySpaceQwords;
CopyArgs(ref destination, limit, args, argsLength);
*destination = EventsBlockEndMarker;
threadInfo->Destination = destination;
}
}
internal static PIXEventsThreadInfo *RetrieveTimeData(out ulong time)
{
PIXEventsThreadInfo *threadInfo = PIXGetThreadInfo();
ulong *destination = threadInfo->Destination;
ulong *limit = threadInfo->BiasedLimit;
if (CanWrite(destination, limit))
{
time = PIXGetTimestampCounter();
}
else if (limit != null) // old block is full. get a fresh new one
{
time = PIXEventsReplaceBlock(threadInfo, false);
}
else
{
// cpu capture isn't occuring
time = default;
}
return(threadInfo);
}
private static extern ulong _PIXEventsReplaceBlock(
PIXEventsThreadInfo *threadInfo,
bool getEarliestTime
);
