swr: [rasterizer archrast] don't generate empty files

Don't generate files when no events have been generated outside
the header events.

Reviewed-by: Bruce Cherniak <[email protected]>

2 files changed, 21 insertions, 3 deletions

diff --git a/src/gallium/drivers/swr/rasterizer/archrast/archrast.cpp b/src/gallium/drivers/swr/rasterizer/archrast/archrast.cpp
index 574098d80a8..16b6d3347ac 100644
--- a/src/gallium/drivers/swr/rasterizer/archrast/archrast.cpp
+++ b/src/gallium/drivers/swr/rasterizer/archrast/archrast.cpp
@@ -53,19 +53,31 @@ namespace ArchRast
     }
 
     // Construct an event manager and associate a handler with it.
-    HANDLE CreateThreadContext()
+    HANDLE CreateThreadContext(AR_THREAD type)
     {
         // Can we assume single threaded here?
         static std::atomic<uint32_t> counter(0);
         uint32_t id = counter.fetch_add(1);
 
         EventManager* pManager = new EventManager();
-        EventHandler* pHandler = new EventHandlerStatsFile(id);
+        EventHandlerFile* pHandler = new EventHandlerStatsFile(id);
 
         if (pManager && pHandler)
         {
             pManager->Attach(pHandler);
 
+            if (type == AR_THREAD::API)
+            {
+                ThreadStartApiEvent e;
+                pManager->Dispatch(e);
+            }
+            else
+            {
+                ThreadStartWorkerEvent e;
+                pManager->Dispatch(e);
+            }
+            pHandler->MarkHeader();
+
             return pManager;
         }
 
diff --git a/src/gallium/drivers/swr/rasterizer/archrast/archrast.h b/src/gallium/drivers/swr/rasterizer/archrast/archrast.h
index e6376f208fe..4783144fcb5 100644
--- a/src/gallium/drivers/swr/rasterizer/archrast/archrast.h
+++ b/src/gallium/drivers/swr/rasterizer/archrast/archrast.h
@@ -32,7 +32,13 @@
 
 namespace ArchRast
 {
-    HANDLE CreateThreadContext();
+    enum class AR_THREAD
+    {
+        API = 0,
+        WORKER = 1
+    };
+
+    HANDLE CreateThreadContext(AR_THREAD type);
     void DestroyThreadContext(HANDLE hThreadContext);
 
     // Dispatch event for this thread.