From edbd4021014cd24a7aa98396160df12b590529f7 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Sat, 31 Jan 2015 12:43:58 +0100
Subject: [PATCH] VideoCommon: bbox by async events

---
 Source/Core/VideoCommon/AsyncRequests.cpp |  3 ++
 Source/Core/VideoCommon/AsyncRequests.h   |  7 +++++
 Source/Core/VideoCommon/MainBase.cpp      | 37 +++++------------------
 3 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/Source/Core/VideoCommon/AsyncRequests.cpp b/Source/Core/VideoCommon/AsyncRequests.cpp
index 9430d390fa..e99b1ab255 100644
--- a/Source/Core/VideoCommon/AsyncRequests.cpp
+++ b/Source/Core/VideoCommon/AsyncRequests.cpp
@@ -95,6 +95,9 @@ void AsyncRequests::HandleEvent(const AsyncRequests::Event& e)
 			Renderer::Swap(e.swap_event.xfbAddr, e.swap_event.fbWidth, e.swap_event.fbStride, e.swap_event.fbHeight, rc);
 			break;
 
+		case Event::BBOX_READ:
+			*e.bbox.data = g_renderer->BBoxRead(e.bbox.index);
+
 	}
 }
 
diff --git a/Source/Core/VideoCommon/AsyncRequests.h b/Source/Core/VideoCommon/AsyncRequests.h
index fe3d5c3234..15cc5c72e8 100644
--- a/Source/Core/VideoCommon/AsyncRequests.h
+++ b/Source/Core/VideoCommon/AsyncRequests.h
@@ -23,6 +23,7 @@ public:
 			EFB_PEEK_COLOR,
 			EFB_PEEK_Z,
 			SWAP_EVENT,
+			BBOX_READ,
 		} type;
 		u64 time;
 
@@ -49,6 +50,12 @@ public:
 				u32 fbStride;
 				u32 fbHeight;
 			} swap_event;
+
+			struct
+			{
+				int index;
+				u16* data;
+			} bbox;
 		};
 	};
 
diff --git a/Source/Core/VideoCommon/MainBase.cpp b/Source/Core/VideoCommon/MainBase.cpp
index 25741ea7d8..74a2cc5fcf 100644
--- a/Source/Core/VideoCommon/MainBase.cpp
+++ b/Source/Core/VideoCommon/MainBase.cpp
@@ -24,11 +24,6 @@ static Common::Flag s_FifoShuttingDown;
 static Common::Flag s_perfQueryRequested;
 static Common::Event s_perfQueryReadyEvent;
 
-static Common::Flag s_BBoxRequested;
-static Common::Event s_BBoxReadyEvent;
-static int s_BBoxIndex;
-static u16 s_BBoxResult;
-
 static volatile struct
 {
 	u32 xfbAddr;
@@ -184,30 +179,15 @@ u16 VideoBackendHardware::Video_GetBoundingBox(int index)
 
 	SyncGPU(SYNC_GPU_BBOX);
 
-	if (SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread)
-	{
-		s_BBoxReadyEvent.Reset();
-		if (s_FifoShuttingDown.IsSet())
-			return 0;
-		s_BBoxIndex = index;
-		s_BBoxRequested.Set();
-		s_BBoxReadyEvent.Wait();
-		return s_BBoxResult;
-	}
-	else
-	{
-		return g_renderer->BBoxRead(index);
-	}
-}
+	AsyncRequests::Event e;
+	u16 result;
+	e.time = 0;
+	e.type = AsyncRequests::Event::BBOX_READ;
+	e.bbox.index = index;
+	e.bbox.data = &result;
+	AsyncRequests::GetInstance()->PushEvent(e, true);
 
-static void VideoFifo_CheckBBoxRequest()
-{
-	if (s_BBoxRequested.IsSet())
-	{
-		s_BBoxResult = g_renderer->BBoxRead(s_BBoxIndex);
-		s_BBoxRequested.Clear();
-		s_BBoxReadyEvent.Set();
-	}
+	return result;
 }
 
 void VideoBackendHardware::InitializeShared()
@@ -275,7 +255,6 @@ void VideoBackendHardware::RunLoop(bool enable)
 void VideoFifo_CheckAsyncRequest()
 {
 	VideoFifo_CheckPerfQueryRequest();
-	VideoFifo_CheckBBoxRequest();
 }
 
 void VideoBackendHardware::Video_GatherPipeBursted()