VideoSW: Split up OGL window handling

This removes OSD support for video software, but it was already broken before.

This commit does not try to fix coding style issues, the rewrite of this presentation API is splitted up.

Source/Core/VideoBackends/Software/SWmain.cpp

@@ -8,9 +8,6 @@
 #include "Common/CommonTypes.h"
 #include "Common/FileUtil.h"
 #include "Common/StringUtil.h"
-#include "Common/GL/GLInterfaceBase.h"
-#include "Common/GL/GLUtil.h"
-#include "Common/GL/GLExtensions/GLExtensions.h"
 #include "Common/Logging/LogManager.h"
 
 #include "Core/ConfigManager.h"
@@ -26,6 +23,7 @@
 #include "VideoBackends/Software/OpcodeDecoder.h"
 #include "VideoBackends/Software/Rasterizer.h"
 #include "VideoBackends/Software/SWCommandProcessor.h"
+#include "VideoBackends/Software/SWOGLWindow.h"
 #include "VideoBackends/Software/SWRenderer.h"
 #include "VideoBackends/Software/SWStatistics.h"
 #include "VideoBackends/Software/SWVertexLoader.h"
@@ -81,13 +79,7 @@ bool VideoSoftware::Initialize(void *window_handle)
 {
 	g_SWVideoConfig.Load((File::GetUserPath(D_CONFIG_IDX) + GetConfigName() + ".ini").c_str());
 
-	InitInterface();
-	GLInterface->SetMode(GLInterfaceMode::MODE_DETECT);
-	if (!GLInterface->Create(window_handle, false))
-	{
-		INFO_LOG(VIDEO, "GLInterface::Create failed.");
-		return false;
-	}
+	SWOGLWindow::Init(window_handle);
 
 	InitBPMemory();
 	InitXFMemory();
@@ -165,31 +157,16 @@ void VideoSoftware::Shutdown()
 	// Do our OSD callbacks
 	OSD::DoCallbacks(OSD::OSD_SHUTDOWN);
 
-	GLInterface->Shutdown();
-	delete GLInterface;
-	GLInterface = nullptr;
+	SWOGLWindow::Shutdown();
 }
 
 void VideoSoftware::Video_Cleanup()
 {
-	GLInterface->ClearCurrent();
 }
 
 // This is called after Video_Initialize() from the Core
 void VideoSoftware::Video_Prepare()
 {
-	GLInterface->MakeCurrent();
-
-	// Init extension support.
-	if (!GLExtensions::Init())
-	{
-		ERROR_LOG(VIDEO, "GLExtensions::Init failed!Does your video card support OpenGL 2.0?");
-		return;
-	}
-
-	// Handle VSync on/off
-	GLInterface->SwapInterval(VSYNC_ENABLED);
-
 	// Do our OSD callbacks
 	OSD::DoCallbacks(OSD::OSD_INIT);
 
@@ -367,7 +344,7 @@ void VideoSoftware::RegisterCPMMIO(MMIO::Mapping* mmio, u32 base)
 // Draw messages on top of the screen
 unsigned int VideoSoftware::PeekMessages()
 {
-	return GLInterface->PeekMessages();
+	return SWOGLWindow::s_instance->PeekMessages();
 }
 
 }