Sdl backend (#670)

* [audio] added sdl audio backend and in-tree atrac9 decoder

* [input] replaced per-platform pad readers with sdl gamepad input

* [video] added sdl window and host display plumbing

* [gui] added host display options and per-game render settings

* [bink] synced host movie playback to the guest audio clock

* [cpu] hooked windows write faults into guest image tracking

* [perf] added guest and render profiling, reserved host cpu lanes

* [kernel] fixed stale pthread mutex handle alias

* [host] wired the sdl session, save-data paths and project references

* [audio] hoisted ajm trace stackalloc out of its loop

* [video] Add guest image sync setting

* [build] Strip native symbols

* reuse

src/SharpEmu.Libs/Agc/AgcExports.cs

@@ -4383,6 +4383,14 @@ public static partial class AgcExports
                 _tracedProducerlessWaits.Clear();
             }
 
+            if (!stale)
+            {
+                // Count before the deduplication below: the warning fires once
+                // per label, so on its own it cannot say how often a queue
+                // actually suspends.
+                GpuWaitProfile.RecordSuspend(producer is not null);
+            }
+
             if (!stale && producer is null &&
                 !_tracedProducerlessWaits.Add(
                     (memory, waiter.WaitAddress)))
@@ -5648,6 +5656,8 @@ public static partial class AgcExports
 
                 SharpEmu.Libs.Diagnostics.LoadProgressDiagnostics.TraceGpuWaitSnapshot(
                     ctx.Memory);
+                GpuWaitProfile.RecordMonitorPoll(resumed != 0);
+                GpuWaitProfile.ReportIfDue(remaining);
                 if (remaining == 0)
                 {
                     gpuState.WaitMonitorRunning = false;
@@ -5841,6 +5851,7 @@ public static partial class AgcExports
             $"submission={waiter.SubmissionId} label=0x{waiter.WaitAddress:X16} " +
             $"resume=0x{waiter.ResumeAddress:X16} remaining_dwords={remainingDwords} " +
             $"waited_ms={waitedMilliseconds:F3}");
+        GpuWaitProfile.RecordResume(waiter.WaitAddress, waitedMilliseconds);
         if (remainingDwords == 0)
         {
             state.IsSuspended = false;