feature: Append recorded command list into immediate (3/N)

- Use correct stream for dispatch
- Add capability to append signal event
- Check available space globally in immediate append call

Related-To: NEO-10356

Signed-off-by: Aravind Gopalakrishnan <aravind.gopalakrishnan@intel.com>

shared/source/command_stream/command_stream_receiver_hw_base.inl

@@ -2171,7 +2171,7 @@ template <typename GfxFamily>
 void CommandStreamReceiverHw<GfxFamily>::dispatchImmediateFlushClientBufferCommands(ImmediateDispatchFlags &dispatchFlags,
                                                                                     LinearStream &immediateCommandStream,
                                                                                     ImmediateFlushData &flushData) {
-    if (dispatchFlags.blockingAppend) {
+    if (dispatchFlags.blockingAppend || dispatchFlags.requireTaskCountUpdate) {
         auto address = getTagAllocation()->getGpuAddress();
 
         PipeControlArgs args = {};
@@ -2228,7 +2228,7 @@ CompletionStamp CommandStreamReceiverHw<GfxFamily>::handleImmediateFlushSendBatc
         CompletionStamp completionStamp = {CompletionStamp::getTaskCountFromSubmissionStatusError(submissionStatus)};
         return completionStamp;
     } else {
-        if (dispatchFlags.blockingAppend) {
+        if (dispatchFlags.blockingAppend || dispatchFlags.requireTaskCountUpdate) {
             this->latestFlushedTaskCount = this->taskCount + 1;
         }
 

shared/source/command_stream/csr_definitions.h

@@ -139,6 +139,7 @@ struct ImmediateDispatchFlags {
     StreamProperties *requiredState = nullptr;
     void *sshCpuBase = nullptr;
     bool blockingAppend = false;
+    bool requireTaskCountUpdate = false;
     bool hasRelaxedOrderingDependencies = false;
     bool hasStallingCmds = false;
 };