GS: Move adapter list stuff to module in GSUtil

Will be helpful for when renderers other than DX that let you choose adapters are added

pcsx2/GS/GS.cpp

@@ -146,15 +146,8 @@ int _GSopen(const WindowInfo& wi, const char* title, GSRendererType renderer, in
 	if (renderer == GSRendererType::Undefined)
 	{
 		renderer = static_cast<GSRendererType>(theApp.GetConfigI("Renderer"));
-#ifdef _WIN32
 		if (renderer == GSRendererType::Default)
-		{
-			if (D3D::ShouldPreferD3D())
-				renderer = GSRendererType::DX1011_HW;
-			else
-				renderer = GSRendererType::OGL_HW;
-		}
-#endif
+			renderer = GSUtil::GetPreferredRenderer();
 	}
 
 	if (threads == -1)
@@ -286,23 +279,14 @@ int GSopen2(const WindowInfo& wi, u32 flags)
 				break;
 #endif
 			case GSRendererType::OGL_SW:
-#ifdef _WIN32
 			{
 				const auto config_renderer = static_cast<GSRendererType>(theApp.GetConfigI("Renderer"));
 
 				if (current_renderer == config_renderer)
-				{
-					if (D3D::ShouldPreferD3D())
-						current_renderer = GSRendererType::DX1011_HW;
-					else
-						current_renderer = GSRendererType::OGL_HW;
-				}
+					current_renderer = GSUtil::GetPreferredRenderer();
 				else
 					current_renderer = config_renderer;
 			}
-#else
-				current_renderer = GSRendererType::OGL_HW;
-#endif
 			break;
 			case GSRendererType::OGL_HW:
 				current_renderer = GSRendererType::OGL_SW;

pcsx2/GS/GS.h

@@ -36,13 +36,7 @@ enum class GSRendererType : int8_t
 	OGL_HW = 12,
 	OGL_SW = 13,
 
-#ifdef _WIN32
 	Default = Undefined
-#else
-	// Use ogl renderer as default otherwise it crash at startup
-	// GSRenderOGL only GSDeviceOGL (not GSDeviceNULL)
-	Default = OGL_HW
-#endif
 };
 
 // ST_WRITE is defined in libc, avoid this

pcsx2/GS/GSUtil.cpp

@@ -23,6 +23,7 @@
 #ifdef _WIN32
 #include <VersionHelpers.h>
 #include "svnrev.h"
+#include "Renderers/DX11/D3D.h"
 #include <wil/com.h>
 #else
 #define SVN_REV 0
@@ -187,6 +188,28 @@ CRCHackLevel GSUtil::GetRecommendedCRCHackLevel(GSRendererType type)
 	return type == GSRendererType::OGL_HW ? CRCHackLevel::Partial : CRCHackLevel::Full;
 }
 
+GSRendererType GSUtil::GetPreferredRenderer()
+{
+#ifdef _WIN32
+	if (D3D::ShouldPreferD3D())
+		return GSRendererType::DX1011_HW;
+#endif
+	return GSRendererType::OGL_HW;
+}
+
+std::vector<std::string> GSUtil::GetAdapterList(GSRendererType renderer, size_t& default_adapter)
+{
+#ifdef _WIN32
+	if (renderer == GSRendererType::DX1011_HW)
+	{
+		default_adapter = 0;
+		auto factory = D3D::CreateFactory(false);
+		return D3D::GetAdapterList(factory.get());
+	}
+#endif
+	return {};
+}
+
 #ifdef _WIN32
 void GSmkdir(const wchar_t* dir)
 {

pcsx2/GS/GSUtil.h

@@ -41,6 +41,8 @@ public:
 
 	static bool CheckSSE();
 	static CRCHackLevel GetRecommendedCRCHackLevel(GSRendererType type);
+	static GSRendererType GetPreferredRenderer();
+	static std::vector<std::string> GetAdapterList(GSRendererType renderer, size_t& default_adapter);
 };
 
 #ifdef _WIN32

pcsx2/GS/Window/GSwxDialog.cpp

@@ -16,11 +16,7 @@
 #include "PrecompiledHeader.h"
 #include "GSwxDialog.h"
 #include "gui/AppConfig.h"
-
-#ifdef _WIN32
-#include "GS/GSExtra.h"
-#include "GS/Renderers/DX11/D3D.h"
-#endif
+#include "GS/GSUtil.h"
 
 using namespace GSSettingsDialog;
 
@@ -616,11 +612,9 @@ Dialog::Dialog()
 	m_renderer_select = m_ui.addComboBoxAndLabel(top_grid, "Renderer:", "Renderer", &theApp.m_gs_renderers).first;
 	m_renderer_select->Bind(wxEVT_CHOICE, &Dialog::OnRendererChange, this);
 
-#ifdef _WIN32
 	add_label(this, top_grid, "Adapter:");
 	m_adapter_select = new wxChoice(this, wxID_ANY, wxDefaultPosition, wxDefaultSize, {});
 	top_grid->Add(m_adapter_select, wxSizerFlags().Expand());
-#endif
 
 	m_ui.addComboBoxAndLabel(top_grid, "Interlacing (F5):", "interlace", &theApp.m_gs_interlace);
 
@@ -687,33 +681,37 @@ GSRendererType Dialog::GetSelectedRendererType()
 
 void Dialog::RendererChange()
 {
-#ifdef _WIN32
 	GSRendererType renderer = GetSelectedRendererType();
+	std::string current;
+	int current_sel = m_adapter_select->GetSelection();
+	if (current_sel >= 0 && current_sel < static_cast<int>(m_adapter_arr_string.Count()))
+		current = m_adapter_arr_string[current_sel].ToUTF8();
+
+	size_t default_adapter = 0;
+	std::vector<std::string> adapters = GSUtil::GetAdapterList(renderer, default_adapter);
+
 	m_adapter_select->Clear();
-
-	if (renderer == GSRendererType::DX1011_HW)
-	{
-		auto factory = D3D::CreateFactory(false);
-		auto adapter_list = D3D::GetAdapterList(factory.get());
-
-		wxArrayString adapter_arr_string;
-		for (const auto name : adapter_list)
-		{
-			adapter_arr_string.push_back(
-				convert_utf8_to_utf16(name)
-			);
-		}
-
-		m_adapter_select->Insert(adapter_arr_string, 0);
-		m_adapter_select->Enable();
-		m_adapter_select->SetSelection(
-			theApp.GetConfigI("adapter_index")
-		);
-	}
-	else
+	if (adapters.empty())
 	{
 		m_adapter_select->Disable();
 	}
+	else
+	{
+		m_adapter_arr_string.Clear();
+		int new_sel = theApp.GetConfigI("adapter_index");
+		if (new_sel < 0 || new_sel >= static_cast<int>(adapters.size()))
+			new_sel = default_adapter;
+		for (std::string& adapter : adapters)
+		{
+			if (adapter == current)
+				new_sel = m_adapter_arr_string.Count();
+			m_adapter_arr_string.Add(fromUTF8(adapter));
+		}
+		m_adapter_select->Set(m_adapter_arr_string);
+		m_adapter_select->SetSelection(new_sel);
+		m_adapter_select->Enable();
+	}
+#ifdef _WIN32
 	m_renderer_panel->UpdateBlendMode(renderer);
 
 	m_renderer_panel->Layout(); // The version of wx we use on Windows is dumb and something prevents relayout from happening to notebook pages
@@ -723,12 +721,10 @@ void Dialog::RendererChange()
 void Dialog::Load()
 {
 	m_ui.Load();
-#ifdef _WIN32
 	GSRendererType renderer = GSRendererType(theApp.GetConfigI("Renderer"));
 	if (renderer == GSRendererType::Undefined)
-		renderer = D3D::ShouldPreferD3D() ? GSRendererType::DX1011_HW : GSRendererType::OGL_HW;
+		renderer = GSUtil::GetPreferredRenderer();
 	m_renderer_select->SetSelection(get_config_index(theApp.m_gs_renderers, static_cast<int>(renderer)));
-#endif
 
 	RendererChange();
 
@@ -743,17 +739,10 @@ void Dialog::Load()
 void Dialog::Save()
 {
 	m_ui.Save();
-#ifdef _WIN32
 	// only save the adapter when it makes sense to
 	// prevents changing the adapter, switching to another renderer and saving
-	if (GetSelectedRendererType() == GSRendererType::DX1011_HW)
-	{
-		const int current_adapter =
-			m_adapter_select->GetSelection();
-
-		theApp.SetConfig("adapter_index", current_adapter);
-	}
-#endif
+	if (m_adapter_select->GetCount())
+		theApp.SetConfig("adapter_index", m_adapter_select->GetSelection());
 
 	m_hacks_panel->Save();
 	m_renderer_panel->Save();

pcsx2/GS/Window/GSwxDialog.h

@@ -185,9 +185,7 @@ namespace GSSettingsDialog
 
 		wxBoxSizer* m_top_box;
 		wxChoice* m_renderer_select;
-#ifdef _WIN32
 		wxChoice* m_adapter_select;
-#endif
 		wxChoice* m_bifilter_select;
 		wxArrayString m_adapter_arr_string;
 		RendererTab* m_renderer_panel;