Extend our OSD class to support callbacks on init, onframe, and shutdown.

Source/Core/VideoCommon/Src/OnScreenDisplay.cpp

@@ -24,6 +24,8 @@
 #include "RenderBase.h"
 #include "Timer.h"
 
+#include <vector>
+
 namespace OSD
 {
 
@@ -39,6 +41,26 @@ struct MESSAGE
 	u32 dwTimeStamp;
 };
 
+class CALLBACK
+{
+private:
+	CallbackPtr m_functionptr;
+	CallbackType m_type;
+	u32 m_data;
+public:
+	CALLBACK(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData)
+	{
+		m_type = OnType;
+		m_functionptr = FuncPtr;
+		m_data = UserData; 
+	}
+	void Call()
+	{
+		m_functionptr(m_data);
+	}
+	CallbackType Type() { return m_type; }
+};
+std::vector<CALLBACK> m_callbacks;
 static std::list<MESSAGE> s_listMsgs;
 
 void AddMessage(const char* pstr, u32 ms)
@@ -86,4 +108,17 @@ void ClearMessages()
 		it = s_listMsgs.erase(it);
 }
 
+// On-Screen Display Callbacks
+void AddCallback(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData)
+{
+	m_callbacks.push_back(CALLBACK(OnType, FuncPtr, UserData));
+}
+
+void DoCallbacks(CallbackType OnType)
+{
+	for (auto it = m_callbacks.begin(); it != m_callbacks.end(); ++it)
+		if (it->Type() == OnType)
+			it->Call();
+}
+
 }  // namespace

Source/Core/VideoCommon/Src/OnScreenDisplay.h

@@ -26,6 +26,18 @@ void AddMessage(const char* str, u32 ms = 2000);
 void DrawMessages(); // draw the current messages on the screen. Only call once per frame.
 void ClearMessages();
 
+// On-screen callbacks
+enum CallbackType
+{
+	OSD_INIT = 0,
+	OSD_ONFRAME,
+	OSD_SHUTDOWN
+};
+typedef void(*CallbackPtr)(u32);
+
+void AddCallback(CallbackType OnType, CallbackPtr FuncPtr, u32 UserData);
+
+void DoCallbacks(CallbackType OnType);
 }  // namespace
 
 #endif // _OSD_H_

Source/Plugins/Plugin_VideoOGL/Src/Render.cpp

@@ -1410,6 +1410,8 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
 
 	GL_REPORT_ERRORD();
 	
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_ONFRAME);
 	OSD::DrawMessages();
 	GL_REPORT_ERRORD();
 

Source/Plugins/Plugin_VideoOGL/Src/main.cpp

@@ -157,7 +157,10 @@ void VideoBackend::ShowConfig(void *_hParent)
 	diag.ShowModal();
 #endif
 }
-
+void Test(u32 Data)
+{
+	printf("Data: %d\n", Data);
+}
 bool VideoBackend::Initialize(void *&window_handle)
 {
 	InitializeShared();
@@ -175,6 +178,9 @@ bool VideoBackend::Initialize(void *&window_handle)
 	if (!GLInterface->Create(window_handle))
 		return false;
 
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_INIT);
+
 	s_BackendInitialized = true;
 
 	return true;
@@ -222,6 +228,10 @@ void VideoBackend::Video_Prepare()
 void VideoBackend::Shutdown()
 {
 	s_BackendInitialized = false;
+
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_SHUTDOWN);
+
 	GLInterface->Shutdown();
 }
 

Source/Plugins/Plugin_VideoSoftware/Src/SWRenderer.cpp

@@ -23,6 +23,8 @@
 #include "SWRenderer.h"
 #include "SWStatistics.h"
 
+#include "OnScreenDisplay.h"
+
 static GLuint s_RenderTarget = 0;
 
 static GLint attr_pos = -1, attr_tex = -1;
@@ -181,6 +183,9 @@ void SWRenderer::DrawTexture(u8 *texture, int width, int height)
 
 void SWRenderer::SwapBuffer()
 {
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_ONFRAME);
+
 	DrawDebugText();
 
 	glFlush();

Source/Plugins/Plugin_VideoSoftware/Src/SWmain.cpp

@@ -43,6 +43,7 @@
 #include "SWVertexLoader.h"
 #include "SWStatistics.h"
 
+#include "OnScreenDisplay.h"
 #define VSYNC_ENABLED 0
 
 namespace SW
@@ -81,6 +82,8 @@ bool VideoSoftware::Initialize(void *&window_handle)
 		INFO_LOG(VIDEO, "%s", "SWRenderer::Create failed\n");
 		return false;
 	}
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_INIT);
 
 	InitBPMemory();
 	InitXFMemory();
@@ -163,6 +166,9 @@ void VideoSoftware::Shutdown()
 	HwRasterizer::Shutdown();
 	SWRenderer::Shutdown();
 
+	// Do our OSD callbacks	
+	OSD::DoCallbacks(OSD::OSD_SHUTDOWN);
+
 	GLInterface->Shutdown();
 }