From bc248f8941ae5f24e651d5bf029740bc96c3df89 Mon Sep 17 00:00:00 2001
From: degasus <wickmarkus@web.de>
Date: Sat, 31 Jan 2015 11:38:23 +0100
Subject: VideoCommon: use a new async event system for efb access

---
 Source/Core/VideoCommon/MainBase.cpp | 77 ++++++++++++------------------------
 1 file changed, 25 insertions(+), 52 deletions(-)

(limited to 'Source/Core/VideoCommon/MainBase.cpp')

diff --git a/Source/Core/VideoCommon/MainBase.cpp b/Source/Core/VideoCommon/MainBase.cpp
index b5c6cdebf9..47eab7d941 100644
--- a/Source/Core/VideoCommon/MainBase.cpp
+++ b/Source/Core/VideoCommon/MainBase.cpp
@@ -1,6 +1,7 @@
 #include "Common/Event.h"
 #include "Core/ConfigManager.h"
 
+#include "VideoCommon/AsyncRequests.h"
 #include "VideoCommon/BoundingBox.h"
 #include "VideoCommon/BPStructs.h"
 #include "VideoCommon/CommandProcessor.h"
@@ -20,8 +21,6 @@ bool s_BackendInitialized = false;
 
 Common::Flag s_swapRequested;
 static Common::Flag s_FifoShuttingDown;
-static Common::Flag s_efbAccessRequested;
-static Common::Event s_efbAccessReadyEvent;
 
 static Common::Flag s_perfQueryRequested;
 static Common::Event s_perfQueryReadyEvent;
@@ -39,16 +38,6 @@ static volatile struct
 	u32 fbHeight;
 } s_beginFieldArgs;
 
-static struct
-{
-	EFBAccessType type;
-	u32 x;
-	u32 y;
-	u32 Data;
-} s_accessEFBArgs;
-
-static u32 s_AccessEFBResult = 0;
-
 void VideoBackendHardware::EmuStateChange(EMUSTATE_CHANGE newState)
 {
 	EmulatorState((newState == EMUSTATE_CHANGE_PLAY) ? true : false);
@@ -64,7 +53,6 @@ void VideoBackendHardware::Video_ExitLoop()
 {
 	ExitGpuLoop();
 	s_FifoShuttingDown.Set();
-	s_efbAccessReadyEvent.Set();
 	s_perfQueryReadyEvent.Set();
 }
 
@@ -152,44 +140,36 @@ bool VideoBackendHardware::Video_Screenshot(const std::string& filename)
 	return true;
 }
 
-void VideoFifo_CheckEFBAccess()
+u32 VideoBackendHardware::Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32 InputData)
 {
-	if (s_efbAccessRequested.IsSet())
+	if (!g_ActiveConfig.bEFBAccessEnable)
 	{
-		s_AccessEFBResult = g_renderer->AccessEFB(s_accessEFBArgs.type, s_accessEFBArgs.x, s_accessEFBArgs.y, s_accessEFBArgs.Data);
-		s_efbAccessRequested.Clear();
-		s_efbAccessReadyEvent.Set();
+		return 0;
 	}
-}
 
-u32 VideoBackendHardware::Video_AccessEFB(EFBAccessType type, u32 x, u32 y, u32 InputData)
-{
-	if (s_BackendInitialized && g_ActiveConfig.bEFBAccessEnable)
+	if (type == POKE_COLOR || type == POKE_Z)
 	{
-		SyncGPU(SYNC_GPU_EFB_POKE);
-
-		s_accessEFBArgs.type = type;
-		s_accessEFBArgs.x = x;
-		s_accessEFBArgs.y = y;
-		s_accessEFBArgs.Data = InputData;
-
-		s_efbAccessRequested.Set();
-
-		if (SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread)
-		{
-			s_efbAccessReadyEvent.Reset();
-			if (s_FifoShuttingDown.IsSet())
-				return 0;
-			s_efbAccessRequested.Set();
-			s_efbAccessReadyEvent.Wait();
-		}
-		else
-			VideoFifo_CheckEFBAccess();
-
-		return s_AccessEFBResult;
+		AsyncRequests::Event e;
+		e.type = type == POKE_COLOR ? AsyncRequests::Event::EFB_POKE_COLOR : AsyncRequests::Event::EFB_POKE_Z;
+		e.time = 0;
+		e.efb_poke.data = InputData;
+		e.efb_poke.x = x;
+		e.efb_poke.y = y;
+		AsyncRequests::GetInstance()->PushEvent(e, 0);
+		return 0;
+	}
+	else
+	{
+		AsyncRequests::Event e;
+		u32 result;
+		e.type = type == PEEK_COLOR ? AsyncRequests::Event::EFB_PEEK_COLOR : AsyncRequests::Event::EFB_PEEK_Z;
+		e.time = 0;
+		e.efb_peek.x = x;
+		e.efb_peek.y = y;
+		e.efb_peek.data = &result;
+		AsyncRequests::GetInstance()->PushEvent(e, 1);
+		return result;
 	}
-
-	return 0;
 }
 
 static void VideoFifo_CheckPerfQueryRequest()
@@ -267,12 +247,9 @@ void VideoBackendHardware::InitializeShared()
 	VideoCommon_Init();
 
 	s_swapRequested.Clear();
-	s_efbAccessRequested.Clear();
 	s_perfQueryRequested.Clear();
 	s_FifoShuttingDown.Clear();
 	memset((void*)&s_beginFieldArgs, 0, sizeof(s_beginFieldArgs));
-	memset(&s_accessEFBArgs, 0, sizeof(s_accessEFBArgs));
-	s_AccessEFBResult = 0;
 	m_invalid = false;
 }
 
@@ -292,10 +269,7 @@ void VideoBackendHardware::DoState(PointerWrap& p)
 	p.DoMarker("VideoCommon");
 
 	p.Do(s_swapRequested);
-	p.Do(s_efbAccessRequested);
 	p.Do(s_beginFieldArgs);
-	p.Do(s_accessEFBArgs);
-	p.Do(s_AccessEFBResult);
 	p.DoMarker("VideoBackendHardware");
 
 	// Refresh state.
@@ -335,7 +309,6 @@ void VideoBackendHardware::RunLoop(bool enable)
 void VideoFifo_CheckAsyncRequest()
 {
 	VideoFifo_CheckSwapRequest();
-	VideoFifo_CheckEFBAccess();
 	VideoFifo_CheckPerfQueryRequest();
 	VideoFifo_CheckBBoxRequest();
 }
-- 
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