Preliminary video save state support. More work is necessary, this is just some infrastructure for inter-project communication.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@332 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Core/Src/Core.cpp

@@ -410,6 +410,14 @@ EState GetState()
 	return CORE_UNINITIALIZED;
 }
 
+void SaveState() {
+	PluginVideo::Video_SaveState();
+}
+
+void LoadState() {
+	PluginVideo::Video_LoadState();
+}
+
 const SCoreStartupParameter& GetStartupParameter()
 {
 	return g_CoreStartupParameter;

Source/Core/Core/Src/Core.h

@@ -42,6 +42,10 @@ namespace Core
     // Get state
     EState GetState();
 
+	// Save/Load state
+	void SaveState();
+	void LoadState();
+
     // get core parameters
 	extern SCoreStartupParameter g_CoreStartupParameter; //uck
     const SCoreStartupParameter& GetStartupParameter();

Source/Core/Core/Src/Plugins/Plugin_Video.cpp

@@ -35,6 +35,8 @@ typedef void (__cdecl* TVideo_EnterLoop)();
 
 typedef void (__cdecl* TVideo_AddMessage)(const char* pstr, unsigned int milliseconds);
 
+typedef void (__cdecl* TVideo_SaveState)();
+typedef void (__cdecl* TVideo_LoadState)();
 
 //! Function Pointer
 TGetDllInfo         g_GetDllInfo            = 0;
@@ -48,6 +50,8 @@ TVideo_UpdateXFB    g_Video_UpdateXFB       = 0;
 TVideo_Screenshot   g_Video_Screenshot      = 0;
 TVideo_EnterLoop    g_Video_EnterLoop       = 0;
 TVideo_AddMessage   g_Video_AddMessage      = 0;
+TVideo_SaveState    g_Video_SaveState       = 0;
+TVideo_LoadState    g_Video_LoadState       = 0;
 
 //! Library Instance
 DynamicLibrary plugin;
@@ -69,6 +73,8 @@ void UnloadPlugin()
     g_Video_SendFifoData = 0;
     g_Video_UpdateXFB = 0;
 	g_Video_AddMessage = 0;
+	g_Video_SaveState = 0;
+	g_Video_LoadState = 0;
 
 	plugin.Unload();
 }
@@ -88,6 +94,8 @@ bool LoadPlugin(const char *_Filename)
 		g_Video_Screenshot		= reinterpret_cast<TVideo_Screenshot>   (plugin.Get("Video_Screenshot"));
 		g_Video_EnterLoop       = reinterpret_cast<TVideo_EnterLoop>    (plugin.Get("Video_EnterLoop"));
 		g_Video_AddMessage      = reinterpret_cast<TVideo_AddMessage>   (plugin.Get("Video_AddMessage"));
+		g_Video_SaveState       = reinterpret_cast<TVideo_SaveState>   (plugin.Get("Video_SaveState"));
+		g_Video_LoadState       = reinterpret_cast<TVideo_LoadState>   (plugin.Get("Video_LoadState"));
 
 		if ((g_GetDllInfo != 0) &&
 			(g_DllAbout != 0) &&
@@ -99,7 +107,9 @@ bool LoadPlugin(const char *_Filename)
 			(g_Video_UpdateXFB != 0) &&
 			(g_Video_EnterLoop != 0) &&
 			(g_Video_Screenshot != 0) &&
-			(g_Video_AddMessage != 0))
+			(g_Video_AddMessage != 0) &&
+			(g_Video_SaveState != 0) &&
+			(g_Video_LoadState != 0))
 		{
 			return true;
 		}
@@ -171,4 +181,12 @@ void Video_AddMessage(const char* pstr, unsigned int milliseconds)
 	g_Video_AddMessage(pstr,milliseconds);
 }
 
+void Video_SaveState() {
+	g_Video_SaveState();
+}
+
+void Video_LoadState() {
+	g_Video_SaveState();
+}
+
 } // end of namespace PluginVideo

Source/Core/Core/Src/Plugins/Plugin_Video.h

@@ -42,6 +42,9 @@ void Video_UpdateXFB(BYTE* _pXFB, DWORD _dwHeight, DWORD _dwWidth);
 bool Video_Screenshot(TCHAR* _szFilename);
 void Video_AddMessage(const char* pstr, unsigned int milliseconds);
 
+void Video_SaveState();
+void Video_LoadState();
+
 } // end of namespace PluginVideo
 
 #endif

Source/Core/VideoCommon/Src/SConscript

@@ -8,6 +8,7 @@ files = [
 	"XFMemory.cpp",
 	"XFBConvert.cpp",
 	"Fifo.cpp",
+	"VideoState.cpp",
 	]
 
 env_common = env.Copy()

Source/Core/VideoCommon/Src/VideoState.cpp

@@ -0,0 +1,31 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "VideoState.h"
+#include "TextureDecoder.h"
+
+void VideoCommon_SaveState() {
+#ifdef WIN32
+	MessageBoxA(NULL, "SAVING STATE", "From Common Video Library", NULL);
+#endif
+}
+
+void VideoCommon_LoadState() {
+#ifdef WIN32
+	MessageBoxA(NULL, "LOADING STATE", "From Common Video Library", NULL);
+#endif
+}

Source/Core/VideoCommon/Src/VideoState.h

@@ -0,0 +1,26 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#ifndef __VIDEOSTATE_H
+#define __VIDEOSTATE_H
+
+#include "Common.h"
+
+void VideoCommon_SaveState();
+void VideoCommon_LoadState();
+
+#endif

Source/PluginSpecs/pluginspecs_video.h

@@ -177,6 +177,22 @@ EXPORT void CALL Video_EnterLoop(void);
 //
 EXPORT void CALL Video_AddMessage(const char* pstr, unsigned int milliseconds);
 
+// __________________________________________________________________________________________________
+// Function: Video_SaveState
+// Purpose:  Saves the current video data state
+// input:    The chunkfile to write to? FIXME
+// output:   none
+//
+EXPORT void CALL Video_SaveState();
+
+// __________________________________________________________________________________________________
+// Function: Video_LoadState
+// Purpose:  Loads the current video data state
+// input:    The chunkfile to read from? FIXME
+// output:   none
+//
+EXPORT void CALL Video_LoadState();
+
 #undef CALL
 
 #if defined(__cplusplus)

Source/Plugins/Plugin_VideoDX9/Src/main.cpp

@@ -20,6 +20,7 @@
 #include "D3DUtil.h"
 #include "W32Util/Misc.h"
 #include "EmuWindow.h"
+#include "VideoState.h"
 
 #include "Utils.h"
 
@@ -165,6 +166,20 @@ void Video_Initialize(SVideoInitialize* _pVideoInitialize)
 
 }
 
+void Video_SaveState() {
+	VideoCommon_SaveState();
+#ifdef WIN32
+	MessageBoxA(NULL, "SAVING STATE", "From DirectX", NULL);
+#endif
+}
+
+void Video_LoadState() {
+	VideoCommon_LoadState();
+#ifdef WIN32
+	MessageBoxA(NULL, "LOADING STATE", "From DirectX", NULL);
+#endif
+}
+
 void Video_EnterLoop()
 {
 	Fifo_EnterLoop(g_VideoInitialize);

Source/Plugins/Plugin_VideoOGL/Src/main.cpp

@@ -37,6 +37,8 @@
 #include "PixelShaderManager.h"
 #include "VertexShaderManager.h"
 
+#include "VideoState.h"
+
 SVideoInitialize g_VideoInitialize;
 #define VERSION_STRING "0.1"
 
@@ -177,6 +179,19 @@ void Video_Initialize(SVideoInitialize* _pVideoInitialize)
 
 }
 
+void Video_SaveState() {
+	VideoCommon_SaveState();
+#ifdef WIN32
+	MessageBoxA(NULL, "SAVING STATE", "From OpenGL", NULL);
+#endif
+}
+
+void Video_LoadState() {
+	VideoCommon_LoadState();
+#ifdef WIN32
+	MessageBoxA(NULL, "LOADING STATE", "From OpenGL", NULL);
+#endif
+}
 
 void Video_Prepare(void)
 {