From 415a2f17c95db405309d9d259134a40f21a3582d Mon Sep 17 00:00:00 2001
From: Rachel Bryk <RachelBryk@gmail.com>
Date: Mon, 25 Feb 2013 20:05:02 -0500
Subject: [PATCH] Begin implementing save states to video software. Kind of
 works, sometimes.

---
 .../Plugin_VideoSoftware/Src/EfbInterface.cpp       |  7 +++++++
 .../Plugins/Plugin_VideoSoftware/Src/EfbInterface.h |  1 +
 .../Plugin_VideoSoftware/Src/OpcodeDecoder.cpp      | 12 ++++++++++++
 .../Plugin_VideoSoftware/Src/OpcodeDecoder.h        |  3 +++
 .../Plugin_VideoSoftware/Src/SWCommandProcessor.cpp |  5 +++++
 .../Plugin_VideoSoftware/Src/SWVertexLoader.cpp     | 13 ++++++++++++-
 .../Plugin_VideoSoftware/Src/SWVertexLoader.h       |  3 ++-
 Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp  | 10 ++++++++--
 .../Plugins/Plugin_VideoSoftware/Src/SetupUnit.cpp  |  7 +++++++
 Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.h |  2 ++
 10 files changed, 59 insertions(+), 4 deletions(-)

diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.cpp
index 6722ec7935..8fdc0425a4 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.cpp
@@ -28,6 +28,7 @@ u8 efb[EFB_WIDTH*EFB_HEIGHT*6];
 
 namespace EfbInterface
 {
+
     u8 efbColorTexture[EFB_WIDTH*EFB_HEIGHT*4];
 
     inline u32 GetColorOffset(u16 x, u16 y)
@@ -40,6 +41,12 @@ namespace EfbInterface
         return (x + y * EFB_WIDTH) * 3 + DEPTH_BUFFER_START;
     }
 
+	void DoState(PointerWrap &p)
+	{
+		p.DoArray(efb, EFB_WIDTH*EFB_HEIGHT*6);
+		p.DoArray(efbColorTexture, EFB_WIDTH*EFB_HEIGHT*4);
+	}
+
     void SetPixelAlphaOnly(u32 offset, u8 a)
     {
          switch (bpmem.zcontrol.pixel_format)
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.h b/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.h
index 15d19e7783..fdad69567c 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.h
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/EfbInterface.h
@@ -47,6 +47,7 @@ namespace EfbInterface
 
     void UpdateColorTexture();
     extern u8 efbColorTexture[EFB_WIDTH*EFB_HEIGHT*4]; // RGBA format
+	void DoState(PointerWrap &p);
 }
     
 #endif
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
index 0091e4eaca..396a5a54af 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.cpp
@@ -46,6 +46,18 @@ static bool inObjectStream;
 static u8 lastPrimCmd;
 
 
+void DoState(PointerWrap &p)
+{
+	p.Do(minCommandSize);
+	vertexLoader.DoState(p);
+	p.Do(streamSize);
+	p.Do(streamAddress);
+	p.Do(readOpcode);
+	p.Do(inObjectStream);
+	p.Do(lastPrimCmd);
+	//p.Do(currentFunction);
+}
+
 void DecodePrimitiveStream(u32 iBufferSize)
 {
     u32 vertexSize = vertexLoader.GetVertexSize();
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.h b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.h
index 635fcc24ee..53715b2832 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.h
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/OpcodeDecoder.h
@@ -20,6 +20,7 @@
 #define _OPCODEDECODER_H_
 
 #include "CommonTypes.h"
+#include "ChunkFile.h"
 
 namespace OpcodeDecoder
 {
@@ -57,6 +58,8 @@ namespace OpcodeDecoder
     bool CommandRunnable(u32 iBufferSize);
 
     void Run(u32 iBufferSize);
+
+	void DoState(PointerWrap &p);
 }
 
 #endif
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SWCommandProcessor.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/SWCommandProcessor.cpp
index b9afc1abb5..97a99ff710 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SWCommandProcessor.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SWCommandProcessor.cpp
@@ -57,6 +57,11 @@ CPReg cpreg; // shared between gfx and emulator thread
 void DoState(PointerWrap &p)
 {
 	p.Do(cpreg);
+	p.Do(readPos);
+	p.Do(writePos);
+	p.Do(et_UpdateInterrupts);
+	p.Do(interruptSet);
+	p.Do(interruptWaiting);
 }
 
 // does it matter that there is no synchronization between threads during writes?
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.cpp
index cc5ee66772..3142fc4262 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.cpp
@@ -328,4 +328,15 @@ void SWVertexLoader::LoadTexCoord(SWVertexLoader *vertexLoader, InputVertexData
     vertexLoader->m_texCoordLoader[index]();
 }
 
-
+void SWVertexLoader::DoState(PointerWrap &p)
+{
+	p.DoArray(m_AttributeLoaders, sizeof m_AttributeLoaders);
+	p.Do(m_VertexSize);
+	p.Do(m_CurrentVat);
+	p.Do(m_positionLoader);
+	p.Do(m_normalLoader);
+	p.DoArray(m_colorLoader, sizeof m_colorLoader);
+	p.Do(m_NumAttributeLoaders);
+	m_SetupUnit->DoState(p);
+	p.Do(m_TexGenSpecialCase);
+}
\ No newline at end of file
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.h b/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.h
index 91a0d8e911..e05346a7a5 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.h
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SWVertexLoader.h
@@ -22,6 +22,7 @@
 
 #include "NativeVertexFormat.h"
 #include "CPMemLoader.h"
+#include "ChunkFile.h"
 
 class SetupUnit;
 
@@ -69,7 +70,7 @@ public:
     u32 GetVertexSize() { return m_VertexSize; }
 
     void LoadVertex();   
-
+	void DoState(PointerWrap &p);
 };
 
 #endif
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp
index 332e83d0e8..096315af4e 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp
@@ -39,6 +39,8 @@
 #include "FileUtil.h"
 #include "VideoBackend.h"
 #include "Core.h"
+#include "OpcodeDecoder.h"
+#include "SWVertexLoader.h"
 
 #define VSYNC_ENABLED 0
 
@@ -93,9 +95,13 @@ bool VideoSoftware::Initialize(void *&window_handle)
 	return true;
 }
 
-void VideoSoftware::DoState(PointerWrap&)
+void VideoSoftware::DoState(PointerWrap& p)
 {
-	// NYI
+	// TODO: incomplete
+	SWCommandProcessor::DoState(p);
+	SWPixelEngine::DoState(p);
+	EfbInterface::DoState(p);
+	OpcodeDecoder::DoState(p);
 }
 
 void VideoSoftware::CheckInvalidState()
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.cpp b/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.cpp
index 6e0fab57d8..57d69af7bd 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.cpp
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.cpp
@@ -169,3 +169,10 @@ void SetupUnit::SetupLineStrip()
 
 void SetupUnit::SetupPoint()
 {}
+
+void SetupUnit::DoState(PointerWrap &p)
+{
+	p.Do(m_PrimType);
+	p.Do(m_VertexCounter);
+	p.DoArray(m_Vertices, sizeof m_Vertices);
+}
\ No newline at end of file
diff --git a/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.h b/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.h
index 45a575afcb..f337de21a2 100644
--- a/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.h
+++ b/Source/Plugins/Plugin_VideoSoftware/Src/SetupUnit.h
@@ -21,6 +21,7 @@
 
 #include "Common.h"
 #include "NativeVertexFormat.h"
+#include "ChunkFile.h"
 
 class SetupUnit
 {
@@ -45,6 +46,7 @@ public:
     OutputVertexData* GetVertex() { return m_VertWritePointer; }
 
     void SetupVertex();
+	void DoState(PointerWrap &p);
 };
 
 #endif