[dxvk] Use static variables for extension provider instances

Also, remove redundant interface documentation.

src/dxvk/dxvk_extension_provider.cpp

@@ -6,8 +6,8 @@
 namespace dxvk {
 
   DxvkExtensionProviderList DxvkExtensionProvider::s_extensionProviders = {
-    &g_platformInstance,
-    &g_vrInstance
+    &DxvkPlatformExts::s_instance,
+    &VrInstance::s_instance,
   };
 
   const DxvkExtensionProviderList& DxvkExtensionProvider::getExtensionProviders() {

src/dxvk/dxvk_openvr.cpp

@@ -32,7 +32,7 @@ namespace dxvk {
   };
   
   VrFunctions g_vrFunctions;
-  VrInstance  g_vrInstance;
+  VrInstance VrInstance::s_instance;
 
   VrInstance:: VrInstance() { }
   VrInstance::~VrInstance() { }

src/dxvk/dxvk_openvr.h

@@ -33,47 +33,20 @@ namespace dxvk {
     VrInstance();
     ~VrInstance();
 
-    /**
-     * \brief Extension provider name
-     * \returns The extension provider's name
-     */
     std::string_view getName();
 
-    /**
-     * \brief Query instance extensions
-     * \returns Instance extensions
-     */
     DxvkNameSet getInstanceExtensions();
 
-    /**
-     * \brief Query device extensions
-     * 
-     * Retrieves the extensions required for a specific
-     * physical device. The adapter index should remain
-     * the same across multiple Vulkan instances.
-     * \param [in] adapterId Adapter index
-     */
     DxvkNameSet getDeviceExtensions(
             uint32_t      adapterId);
     
-    /**
-     * \brief Initializes instance extension set
-     * 
-     * Should be called before creating
-     * the first Vulkan instance.
-     */
     void initInstanceExtensions();
 
-    /**
-     * \brief Initializes device extension sets
-     * 
-     * Should be called after setting
-     * up the Vulkan physical devices.
-     * \param [in] instance DXVK instance
-     */
     void initDeviceExtensions(
       const DxvkInstance* instance);
 
+    static VrInstance s_instance;
+
   private:
 
     std::mutex            m_mutex;

src/dxvk/dxvk_platform_exts.h

@@ -6,48 +6,19 @@ namespace dxvk {
 
   public:
 
-    /**
-     * \brief Extension provider name
-     * \returns The extension provider's name
-     */
     std::string_view getName();
 
-    /**
-     * \brief Query instance extensions
-     * \returns Instance extensions
-     */
     DxvkNameSet getInstanceExtensions();
 
-    /**
-     * \brief Query device extensions
-     * 
-     * Retrieves the extensions required for a specific
-     * physical device. The adapter index should remain
-     * the same across multiple Vulkan instances.
-     * \param [in] adapterId Adapter index
-     */
     DxvkNameSet getDeviceExtensions(
             uint32_t      adapterId);
     
-    /**
-     * \brief Initializes instance extension set
-     * 
-     * Should be called before creating
-     * the first Vulkan instance.
-     */
     void initInstanceExtensions();
 
-    /**
-     * \brief Initializes device extension sets
-     * 
-     * Should be called after setting
-     * up the Vulkan physical devices.
-     * \param [in] instance DXVK instance
-     */
     void initDeviceExtensions(
       const DxvkInstance* instance);
+
+    static DxvkPlatformExts s_instance;
   };
 
-  extern DxvkPlatformExts g_platformInstance;
-
 }

src/dxvk/platform/dxvk_win32_exts.cpp

@@ -2,6 +2,7 @@
 
 namespace dxvk {
 
+  DxvkPlatformExts DxvkPlatformExts::s_instance;
 
   std::string_view DxvkPlatformExts::getName() {
     return "Win32 WSI";
@@ -20,15 +21,16 @@ namespace dxvk {
           uint32_t      adapterId) {
     return DxvkNameSet();
   }
-  
 
-  void DxvkPlatformExts::initInstanceExtensions() {}
+
+  void DxvkPlatformExts::initInstanceExtensions() {
+
+  }
 
 
   void DxvkPlatformExts::initDeviceExtensions(
-    const DxvkInstance* instance) {}
+    const DxvkInstance* instance) {
 
-
-  DxvkPlatformExts g_platformInstance;
+  }
 
 }