Settings: Add GPU adapter option and hook up to D3D11/Vulkan

src/core/settings.cpp

@@ -31,6 +31,7 @@ void Settings::Load(SettingsInterface& si)
 
   gpu_renderer = ParseRendererName(si.GetStringValue("GPU", "Renderer", GetRendererName(DEFAULT_GPU_RENDERER)).c_str())
                    .value_or(DEFAULT_GPU_RENDERER);
+  gpu_adapter = si.GetStringValue("GPU", "Adapter", "");
   gpu_resolution_scale = static_cast<u32>(si.GetIntValue("GPU", "ResolutionScale", 1));
   gpu_use_debug_device = si.GetBoolValue("GPU", "UseDebugDevice", false);
   gpu_true_color = si.GetBoolValue("GPU", "TrueColor", true);
@@ -128,6 +129,7 @@ void Settings::Save(SettingsInterface& si) const
   si.SetStringValue("CPU", "ExecutionMode", GetCPUExecutionModeName(cpu_execution_mode));
 
   si.SetStringValue("GPU", "Renderer", GetRendererName(gpu_renderer));
+  si.SetStringValue("GPU", "Adapter", gpu_adapter.c_str());
   si.SetIntValue("GPU", "ResolutionScale", static_cast<long>(gpu_resolution_scale));
   si.SetBoolValue("GPU", "UseDebugDevice", gpu_use_debug_device);
   si.SetBoolValue("GPU", "TrueColor", gpu_true_color);

src/core/settings.h

@@ -48,6 +48,7 @@ struct Settings
   bool load_memory_cards_from_save_states = false;
 
   GPURenderer gpu_renderer = GPURenderer::Software;
+  std::string gpu_adapter;
   u32 gpu_resolution_scale = 1;
   bool gpu_use_debug_device = false;
   bool gpu_true_color = true;

src/duckstation-qt/d3d11hostdisplay.cpp

@@ -59,11 +59,14 @@ bool D3D11HostDisplay::hasDeviceContext() const
   return m_interface.HasContext();
 }
 
-bool D3D11HostDisplay::createDeviceContext(bool debug_device)
+bool D3D11HostDisplay::createDeviceContext(const QString& adapter_name, bool debug_device)
 {
   std::optional<WindowInfo> wi = getWindowInfo();
-  if (!wi || !m_interface.CreateContextAndSwapChain(wi.value(), shouldUseFlipModelSwapChain(), debug_device))
+  if (!wi || !m_interface.CreateContextAndSwapChain(wi.value(), adapter_name.toStdString(),
+                                                    shouldUseFlipModelSwapChain(), debug_device))
+  {
     return false;
+  }
 
   m_window_width = static_cast<s32>(m_interface.GetSwapChainWidth());
   m_window_height = static_cast<s32>(m_interface.GetSwapChainHeight());

src/duckstation-qt/d3d11hostdisplay.h

@@ -15,7 +15,7 @@ public:
   ~D3D11HostDisplay();
 
   bool hasDeviceContext() const override;
-  bool createDeviceContext(bool debug_device) override;
+  bool createDeviceContext(const QString& adapter_name, bool debug_device) override;
   bool initializeDeviceContext(std::string_view shader_cache_directory, bool debug_device) override;
   bool activateDeviceContext() override;
   void deactivateDeviceContext() override;

src/duckstation-qt/mainwindow.cpp

@@ -1,9 +1,9 @@
 #include "mainwindow.h"
+#include "aboutdialog.h"
 #include "common/assert.h"
 #include "core/game_list.h"
 #include "core/settings.h"
 #include "core/system.h"
-#include "aboutdialog.h"
 #include "gamelistsettingswidget.h"
 #include "gamelistwidget.h"
 #include "gamepropertiesdialog.h"
@@ -69,7 +69,8 @@ bool MainWindow::confirmMessage(const QString& message)
   return (result == QMessageBox::Yes);
 }
 
-void MainWindow::createDisplay(QThread* worker_thread, bool use_debug_device, bool fullscreen, bool render_to_main)
+void MainWindow::createDisplay(QThread* worker_thread, const QString& adapter_name, bool use_debug_device,
+                               bool fullscreen, bool render_to_main)
 {
   Assert(!m_host_display && !m_display_widget);
   Assert(!fullscreen || !render_to_main);
@@ -97,7 +98,7 @@ void MainWindow::createDisplay(QThread* worker_thread, bool use_debug_device, bo
   // we need the surface visible.. this might be able to be replaced with something else
   QCoreApplication::processEvents(QEventLoop::ExcludeUserInputEvents);
 
-  if (!m_host_display->createDeviceContext(use_debug_device))
+  if (!m_host_display->createDeviceContext(adapter_name, use_debug_device))
   {
     reportError(tr("Failed to create host display device context."));
     return;

src/duckstation-qt/mainwindow.h

@@ -29,7 +29,8 @@ private Q_SLOTS:
   void reportError(const QString& message);
   void reportMessage(const QString& message);
   bool confirmMessage(const QString& message);
-  void createDisplay(QThread* worker_thread, bool use_debug_device, bool fullscreen, bool render_to_main);
+  void createDisplay(QThread* worker_thread, const QString& adapter_name, bool use_debug_device, bool fullscreen,
+                     bool render_to_main);
   void updateDisplay(QThread* worker_thread, bool fullscreen, bool render_to_main);
   void destroyDisplay();
   void focusDisplayWidget();

src/duckstation-qt/openglhostdisplay.cpp

@@ -188,7 +188,7 @@ bool OpenGLHostDisplay::hasDeviceContext() const
   return static_cast<bool>(m_gl_context);
 }
 
-bool OpenGLHostDisplay::createDeviceContext(bool debug_device)
+bool OpenGLHostDisplay::createDeviceContext(const QString& adapter_name, bool debug_device)
 {
   m_window_width = m_widget->scaledWindowWidth();
   m_window_height = m_widget->scaledWindowHeight();

src/duckstation-qt/openglhostdisplay.h

@@ -26,7 +26,7 @@ public:
   ~OpenGLHostDisplay();
 
   bool hasDeviceContext() const override;
-  bool createDeviceContext(bool debug_device) override;
+  bool createDeviceContext(const QString& adapter_name, bool debug_device) override;
   bool initializeDeviceContext(std::string_view shader_cache_directory, bool debug_device) override;
   bool activateDeviceContext() override;
   void deactivateDeviceContext() override;

src/duckstation-qt/qthostdisplay.cpp

@@ -42,7 +42,7 @@ bool QtHostDisplay::hasDeviceContext() const
   return false;
 }
 
-bool QtHostDisplay::createDeviceContext(bool debug_device)
+bool QtHostDisplay::createDeviceContext(const QString& adapter_name, bool debug_device)
 {
   return false;
 }

src/duckstation-qt/qthostdisplay.h

@@ -5,6 +5,7 @@
 #include <optional>
 #include <string_view>
 
+class QString;
 class QThread;
 class QWidget;
 
@@ -24,7 +25,7 @@ public:
   virtual void destroyWidget();
 
   virtual bool hasDeviceContext() const;
-  virtual bool createDeviceContext(bool debug_device);
+  virtual bool createDeviceContext(const QString& adapter_name, bool debug_device);
   virtual bool initializeDeviceContext(std::string_view shader_cache_directory, bool debug_device);
   virtual bool activateDeviceContext();
   virtual void deactivateDeviceContext();

src/duckstation-qt/qthostinterface.cpp

@@ -316,8 +316,8 @@ bool QtHostInterface::AcquireHostDisplay()
   Assert(!m_display);
 
   m_is_rendering_to_main = getSettingValue("Main/RenderToMainWindow", true).toBool();
-  emit createDisplayRequested(m_worker_thread, m_settings.gpu_use_debug_device, m_is_fullscreen,
-                              m_is_rendering_to_main);
+  emit createDisplayRequested(m_worker_thread, QString::fromStdString(m_settings.gpu_adapter),
+                              m_settings.gpu_use_debug_device, m_is_fullscreen, m_is_rendering_to_main);
   Assert(m_display);
 
   if (!getHostDisplay()->hasDeviceContext())

src/duckstation-qt/qthostinterface.h

@@ -96,7 +96,8 @@ Q_SIGNALS:
   void emulationPaused(bool paused);
   void stateSaved(const QString& game_code, bool global, qint32 slot);
   void gameListRefreshed();
-  void createDisplayRequested(QThread* worker_thread, bool use_debug_device, bool fullscreen, bool render_to_main);
+  void createDisplayRequested(QThread* worker_thread, const QString& adapter_name, bool use_debug_device,
+                              bool fullscreen, bool render_to_main);
   void updateDisplayRequested(QThread* worker_thread, bool fullscreen, bool render_to_main);
   void focusDisplayWidgetRequested();
   void destroyDisplayRequested();

src/duckstation-qt/vulkanhostdisplay.cpp

@@ -52,10 +52,10 @@ bool VulkanHostDisplay::hasDeviceContext() const
   return m_vulkan_display.HasContext();
 }
 
-bool VulkanHostDisplay::createDeviceContext(bool debug_device)
+bool VulkanHostDisplay::createDeviceContext(const QString& adapter_name, bool debug_device)
 {
   std::optional<WindowInfo> wi = getWindowInfo();
-  if (!wi || !m_vulkan_display.CreateContextAndSwapChain(wi.value(), debug_device))
+  if (!wi || !m_vulkan_display.CreateContextAndSwapChain(wi.value(), adapter_name.toStdString(), debug_device))
     return false;
 
   m_window_width = static_cast<s32>(m_vulkan_display.GetSwapChainWidth());

src/duckstation-qt/vulkanhostdisplay.h

@@ -15,7 +15,7 @@ public:
   ~VulkanHostDisplay();
 
   bool hasDeviceContext() const override;
-  bool createDeviceContext(bool debug_device) override;
+  bool createDeviceContext(const QString& adapter_name, bool debug_device) override;
   bool initializeDeviceContext(std::string_view shader_cache_directory, bool debug_device) override;
   bool activateDeviceContext() override;
   void deactivateDeviceContext() override;

src/duckstation-sdl/sdl_d3d11_host_display.cpp

@@ -18,10 +18,10 @@ SDLD3D11HostDisplay::~SDLD3D11HostDisplay()
     SDL_DestroyWindow(m_window);
 }
 
-std::unique_ptr<HostDisplay> SDLD3D11HostDisplay::Create(SDL_Window* window, bool debug_device)
+std::unique_ptr<HostDisplay> SDLD3D11HostDisplay::Create(SDL_Window* window, std::string_view adapter_name, bool debug_device)
 {
   std::unique_ptr<SDLD3D11HostDisplay> display = std::make_unique<SDLD3D11HostDisplay>(window);
-  if (!display->Initialize(debug_device))
+  if (!display->Initialize(adapter_name, debug_device))
     return {};
 
   return display;
@@ -74,13 +74,13 @@ void SDLD3D11HostDisplay::SetVSync(bool enabled)
   m_interface.SetVSync(enabled);
 }
 
-bool SDLD3D11HostDisplay::Initialize(bool debug_device)
+bool SDLD3D11HostDisplay::Initialize(std::string_view adapter_name, bool debug_device)
 {
   std::optional<WindowInfo> wi = SDLUtil::GetWindowInfoForSDLWindow(m_window);
   if (!wi.has_value())
     return false;
 
-  if (!m_interface.CreateContextAndSwapChain(wi.value(), true, debug_device))
+  if (!m_interface.CreateContextAndSwapChain(wi.value(), adapter_name, true, debug_device))
     return false;
 
   if (!m_interface.CreateResources())

src/duckstation-sdl/sdl_d3d11_host_display.h

@@ -12,7 +12,7 @@ public:
   SDLD3D11HostDisplay(SDL_Window* window);
   ~SDLD3D11HostDisplay();
 
-  static std::unique_ptr<HostDisplay> Create(SDL_Window* window, bool debug_device);
+  static std::unique_ptr<HostDisplay> Create(SDL_Window* window, std::string_view adapter_name, bool debug_device);
 
   RenderAPI GetRenderAPI() const override;
   void* GetRenderDevice() const override;
@@ -35,5 +35,5 @@ private:
 
   FrontendCommon::D3D11HostDisplay m_interface;
 
-  bool Initialize(bool debug_device);
+  bool Initialize(std::string_view adapter_name, bool debug_device);
 };

src/duckstation-sdl/sdl_host_interface.cpp

@@ -129,27 +129,27 @@ void SDLHostInterface::DestroySDLWindow()
 
 bool SDLHostInterface::CreateDisplay()
 {
-  const bool debug_device = m_settings.gpu_use_debug_device;
   const std::string shader_cache_directory(GetShaderCacheDirectory());
   std::unique_ptr<HostDisplay> display;
 
   switch (m_settings.gpu_renderer)
   {
     case GPURenderer::HardwareVulkan:
-      display = SDLVulkanHostDisplay::Create(m_window, shader_cache_directory, debug_device);
+      display = SDLVulkanHostDisplay::Create(m_window, m_settings.gpu_adapter, shader_cache_directory,
+                                             m_settings.gpu_use_debug_device);
       break;
 
     case GPURenderer::HardwareOpenGL:
 #ifndef WIN32
     default:
 #endif
-      display = OpenGLHostDisplay::Create(m_window, debug_device);
+      display = OpenGLHostDisplay::Create(m_window, m_settings.gpu_use_debug_device);
       break;
 
 #ifdef WIN32
     case GPURenderer::HardwareD3D11:
     default:
-      display = SDLD3D11HostDisplay::Create(m_window, debug_device);
+      display = SDLD3D11HostDisplay::Create(m_window, m_settings.gpu_adapter, m_settings.gpu_use_debug_device);
       break;
 #endif
   }

src/duckstation-sdl/sdl_vulkan_host_display.cpp

@@ -27,11 +27,11 @@ SDLVulkanHostDisplay::~SDLVulkanHostDisplay()
     SDL_DestroyWindow(m_window);
 }
 
-std::unique_ptr<HostDisplay> SDLVulkanHostDisplay::Create(SDL_Window* window, std::string_view shader_cache_directory,
-                                                          bool debug_device)
+std::unique_ptr<HostDisplay> SDLVulkanHostDisplay::Create(SDL_Window* window, std::string_view adapter_name,
+                                                          std::string_view shader_cache_directory, bool debug_device)
 {
   std::unique_ptr<SDLVulkanHostDisplay> display = std::make_unique<SDLVulkanHostDisplay>(window);
-  if (!display->Initialize(shader_cache_directory, debug_device))
+  if (!display->Initialize(adapter_name, shader_cache_directory, debug_device))
     return nullptr;
 
   return display;
@@ -84,7 +84,8 @@ void SDLVulkanHostDisplay::SetVSync(bool enabled)
   m_display.SetVSync(enabled);
 }
 
-bool SDLVulkanHostDisplay::Initialize(std::string_view shader_cache_directory, bool debug_device)
+bool SDLVulkanHostDisplay::Initialize(std::string_view adapter_name, std::string_view shader_cache_directory,
+                                      bool debug_device)
 {
   std::optional<WindowInfo> wi = SDLUtil::GetWindowInfoForSDLWindow(m_window);
   if (!wi.has_value())
@@ -93,7 +94,7 @@ bool SDLVulkanHostDisplay::Initialize(std::string_view shader_cache_directory, b
     return false;
   }
 
-  if (!m_display.CreateContextAndSwapChain(wi.value(), debug_device))
+  if (!m_display.CreateContextAndSwapChain(wi.value(), adapter_name, debug_device))
     return false;
 
   m_display.CreateShaderCache(shader_cache_directory, debug_device);

src/duckstation-sdl/sdl_vulkan_host_display.h

@@ -10,8 +10,8 @@ public:
   SDLVulkanHostDisplay(SDL_Window* window);
   ~SDLVulkanHostDisplay();
 
-  static std::unique_ptr<HostDisplay> Create(SDL_Window* window, std::string_view shader_cache_directory,
-                                             bool debug_device);
+  static std::unique_ptr<HostDisplay> Create(SDL_Window* window, std::string_view adapter_name,
+                                             std::string_view shader_cache_directory, bool debug_device);
 
   RenderAPI GetRenderAPI() const override;
   void* GetRenderDevice() const override;
@@ -33,7 +33,7 @@ public:
   void Render() override;
 
 private:
-  bool Initialize(std::string_view shader_cache_directory, bool debug_device);
+  bool Initialize(std::string_view adapter_name, std::string_view shader_cache_directory, bool debug_device);
 
   SDL_Window* m_window = nullptr;
   FrontendCommon::VulkanHostDisplay m_display;

src/frontend-common/d3d11_host_display.cpp

@@ -140,14 +140,55 @@ bool D3D11HostDisplay::HasContext() const
   return static_cast<bool>(m_device);
 }
 
-bool D3D11HostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, bool use_flip_model, bool debug_device)
+bool D3D11HostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, std::string_view adapter_name,
+                                                 bool use_flip_model, bool debug_device)
 {
   UINT create_flags = 0;
   if (debug_device)
     create_flags |= D3D11_CREATE_DEVICE_DEBUG;
 
-  HRESULT hr = D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, create_flags, nullptr, 0,
-                                 D3D11_SDK_VERSION, m_device.GetAddressOf(), nullptr, m_context.GetAddressOf());
+  ComPtr<IDXGIFactory> temp_dxgi_factory;
+  HRESULT hr = CreateDXGIFactory(IID_PPV_ARGS(temp_dxgi_factory.GetAddressOf()));
+  if (FAILED(hr))
+  {
+    Log_ErrorPrintf("Failed to create DXGI factory: 0x%08X", hr);
+    return false;
+  }
+
+  u32 adapter_index;
+  if (!adapter_name.empty())
+  {
+    std::vector<std::string> adapter_names = EnumerateAdapterNames(temp_dxgi_factory.Get());
+    for (adapter_index = 0; adapter_index < static_cast<u32>(adapter_names.size()); adapter_index++)
+    {
+      if (adapter_name == adapter_names[adapter_index])
+        break;
+    }
+    if (adapter_index == static_cast<u32>(adapter_names.size()))
+    {
+      Log_WarningPrintf("Could not find adapter '%s', using first (%s)", std::string(adapter_name).c_str(),
+                        adapter_names[0].c_str());
+      adapter_index = 0;
+    }
+  }
+  else
+  {
+    Log_InfoPrintf("No adapter selected, using first.");
+    adapter_index = 0;
+  }
+
+  ComPtr<IDXGIAdapter> dxgi_adapter;
+  hr = temp_dxgi_factory->EnumAdapters(adapter_index, dxgi_adapter.GetAddressOf());
+  if (FAILED(hr))
+    Log_WarningPrintf("Failed to enumerate adapter %u, using default", adapter_index);
+
+  hr = D3D11CreateDevice(dxgi_adapter.Get(), dxgi_adapter ? D3D_DRIVER_TYPE_UNKNOWN : D3D_DRIVER_TYPE_HARDWARE, nullptr,
+                         create_flags, nullptr, 0, D3D11_SDK_VERSION, m_device.GetAddressOf(), nullptr,
+                         m_context.GetAddressOf());
+
+  // we re-grab these later, see below
+  dxgi_adapter.Reset();
+  temp_dxgi_factory.Reset();
 
   if (FAILED(hr))
   {
@@ -168,7 +209,6 @@ bool D3D11HostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, bool use_
 
   // we need the specific factory for the device, otherwise MakeWindowAssociation() is flaky.
   ComPtr<IDXGIDevice> dxgi_device;
-  ComPtr<IDXGIAdapter> dxgi_adapter;
   if (FAILED(m_device.As(&dxgi_device)) || FAILED(dxgi_device->GetParent(IID_PPV_ARGS(dxgi_adapter.GetAddressOf()))) ||
       FAILED(dxgi_adapter->GetParent(IID_PPV_ARGS(m_dxgi_factory.GetAddressOf()))))
   {
@@ -482,54 +522,56 @@ std::vector<std::string> D3D11HostDisplay::EnumerateAdapterNames()
 {
   ComPtr<IDXGIFactory> dxgi_factory;
   HRESULT hr = CreateDXGIFactory(IID_PPV_ARGS(dxgi_factory.GetAddressOf()));
-  if (SUCCEEDED(hr))
+  if (FAILED(hr))
+    return {};
+
+  return EnumerateAdapterNames(dxgi_factory.Get());
+}
+
+std::vector<std::string> D3D11HostDisplay::EnumerateAdapterNames(IDXGIFactory* dxgi_factory)
+{
+  std::vector<std::string> adapter_names;
+  ComPtr<IDXGIAdapter> current_adapter;
+  while (SUCCEEDED(
+    dxgi_factory->EnumAdapters(static_cast<UINT>(adapter_names.size()), current_adapter.ReleaseAndGetAddressOf())))
   {
-    std::vector<std::string> adapter_names;
-    ComPtr<IDXGIAdapter> current_adapter;
-    while (SUCCEEDED(
-      dxgi_factory->EnumAdapters(static_cast<UINT>(adapter_names.size()), current_adapter.ReleaseAndGetAddressOf())))
+    DXGI_ADAPTER_DESC adapter_desc;
+    std::string adapter_name;
+    if (SUCCEEDED(current_adapter->GetDesc(&adapter_desc)))
     {
-      DXGI_ADAPTER_DESC adapter_desc;
-      std::string adapter_name;
-      if (SUCCEEDED(current_adapter->GetDesc(&adapter_desc)))
-      {
-        char adapter_name_buffer[128];
-        const int name_length = WideCharToMultiByte(CP_UTF8, 0, adapter_desc.Description,
-                                                    static_cast<int>(std::wcslen(adapter_desc.Description)),
-                                                    adapter_name_buffer, countof(adapter_name_buffer), 0, nullptr);
-        if (name_length >= 0)
-          adapter_name.assign(adapter_name_buffer, static_cast<size_t>(name_length));
-        else
-          adapter_name.assign("(Unknown)");
-      }
+      char adapter_name_buffer[128];
+      const int name_length = WideCharToMultiByte(CP_UTF8, 0, adapter_desc.Description,
+                                                  static_cast<int>(std::wcslen(adapter_desc.Description)),
+                                                  adapter_name_buffer, countof(adapter_name_buffer), 0, nullptr);
+      if (name_length >= 0)
+        adapter_name.assign(adapter_name_buffer, static_cast<size_t>(name_length));
       else
-      {
         adapter_name.assign("(Unknown)");
-      }
-
-      // handle duplicate adapter names
-      if (std::any_of(adapter_names.begin(), adapter_names.end(),
-                      [&adapter_name](const std::string& other) { return (adapter_name == other); }))
-      {
-        std::string original_adapter_name = std::move(adapter_name);
-
-        u32 current_extra = 2;
-        do
-        {
-          adapter_name = StringUtil::StdStringFromFormat("%s (%u)", original_adapter_name.c_str(), current_extra);
-          current_extra++;
-        } while (std::any_of(adapter_names.begin(), adapter_names.end(),
-                             [&adapter_name](const std::string& other) { return (adapter_name == other); }));
-      }
-
-      adapter_names.push_back(std::move(adapter_name));
+    }
+    else
+    {
+      adapter_name.assign("(Unknown)");
     }
 
-    if (!adapter_names.empty())
-      return adapter_names;
+    // handle duplicate adapter names
+    if (std::any_of(adapter_names.begin(), adapter_names.end(),
+                    [&adapter_name](const std::string& other) { return (adapter_name == other); }))
+    {
+      std::string original_adapter_name = std::move(adapter_name);
+
+      u32 current_extra = 2;
+      do
+      {
+        adapter_name = StringUtil::StdStringFromFormat("%s (%u)", original_adapter_name.c_str(), current_extra);
+        current_extra++;
+      } while (std::any_of(adapter_names.begin(), adapter_names.end(),
+                           [&adapter_name](const std::string& other) { return (adapter_name == other); }));
+    }
+
+    adapter_names.push_back(std::move(adapter_name));
   }
 
-  return {"(Default)"};
+  return adapter_names;
 }
 
 } // namespace FrontendCommon

src/frontend-common/d3d11_host_display.h

@@ -8,9 +8,10 @@
 #include <d3d11.h>
 #include <dxgi.h>
 #include <memory>
-#include <wrl/client.h>
-#include <vector>
 #include <string>
+#include <string_view>
+#include <vector>
+#include <wrl/client.h>
 
 namespace FrontendCommon {
 
@@ -27,7 +28,8 @@ public:
   ALWAYS_INLINE void* GetRenderDevice() const { return m_device.Get(); }
   ALWAYS_INLINE void* GetRenderContext() const { return m_context.Get(); }
 
-  bool CreateContextAndSwapChain(const WindowInfo& wi, bool use_flip_model, bool debug_device);
+  bool CreateContextAndSwapChain(const WindowInfo& wi, std::string_view adapter_name, bool use_flip_model,
+                                 bool debug_device);
   bool HasContext() const;
   void DestroyContext();
 
@@ -67,6 +69,8 @@ public:
 private:
   static constexpr u32 DISPLAY_UNIFORM_BUFFER_SIZE = 16;
 
+  static std::vector<std::string> EnumerateAdapterNames(IDXGIFactory* dxgi_factory);
+
   bool CreateSwapChain(const WindowInfo& new_wi, bool use_flip_model);
   bool CreateSwapChainRTV();
 

src/frontend-common/vulkan_host_display.cpp

@@ -192,9 +192,9 @@ void VulkanHostDisplay::SetVSync(bool enabled)
   m_swap_chain->SetVSync(enabled);
 }
 
-bool VulkanHostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, bool debug_device)
+bool VulkanHostDisplay::CreateContextAndSwapChain(const WindowInfo& wi, std::string_view gpu_name, bool debug_device)
 {
-  if (!Vulkan::Context::Create({}, &wi, &m_swap_chain, debug_device, false))
+  if (!Vulkan::Context::Create(gpu_name, &wi, &m_swap_chain, debug_device, false))
   {
     Log_ErrorPrintf("Failed to create Vulkan context");
     return false;

src/frontend-common/vulkan_host_display.h

@@ -41,7 +41,7 @@ public:
   void RenderSoftwareCursor(s32 left, s32 top, s32 width, s32 height, HostDisplayTexture* texture_handle);
   void EndRenderAndPresent();
 
-  bool CreateContextAndSwapChain(const WindowInfo& wi, bool debug_device);
+  bool CreateContextAndSwapChain(const WindowInfo& wi, std::string_view gpu_name, bool debug_device);
   bool HasContext() const;
   void DestroyContext();