SuperTuxKart 1.5 upstream source (from official release tarball)

2026-06-11 20:04:02 +02:00
commit 2957e51aaa
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+#include "MoltenVK.h"
+#include "SDL_vulkan.h"
+#include "vulkan_wrapper.h"
+
+#include <dlfcn.h>
+#import <AppKit/NSApplication.h>
+
+#ifdef DLOPEN_MOLTENVK
+PFN_vkGetPhysicalDeviceMetalFeaturesMVK vkGetPhysicalDeviceMetalFeaturesMVK = NULL;
+
+namespace irr
+{
+// ----------------------------------------------------------------------------
+MoltenVK::MoltenVK()
+{
+    m_loaded = false;
+    m_handle = NULL;
+    // MacOSX 10.11 or later supports Metal (MoltenVK)
+    if (floor(NSAppKitVersionNumber) <= NSAppKitVersionNumber10_10_Max)
+        return;
+    const char* paths[3] =
+    {
+        // STK release binary path after dylibbundler
+        "@executable_path/../libs/libMoltenVK.dylib",
+        // bin/supertuxkart.app/Contents/MacOS/supertuxkart
+        "@executable_path/../../../../../dependencies-macosx/lib/libMoltenVK.dylib",
+        "NULL"
+    };
+    for (int i = 0; i < 3; i++)
+    {
+        if (SDL_Vulkan_LoadLibrary(paths[i]) == 0)
+        {
+            // Following SDL/src/loadso/dlopen/SDL_sysloadso.c
+            m_handle = dlopen(paths[i], RTLD_NOW|RTLD_LOCAL);
+            if (!m_handle)
+            {
+                SDL_Vulkan_UnloadLibrary();
+                return;
+            }
+            vkGetPhysicalDeviceMetalFeaturesMVK = (PFN_vkGetPhysicalDeviceMetalFeaturesMVK)
+                dlsym(m_handle, "vkGetPhysicalDeviceMetalFeaturesMVK");
+            if (!vkGetPhysicalDeviceMetalFeaturesMVK)
+            {
+                SDL_Vulkan_UnloadLibrary();
+                return;
+            }
+            m_loaded = true;
+            break;
+        }
+    }
+}   // MoltenVK
+
+// ----------------------------------------------------------------------------
+MoltenVK::~MoltenVK()
+{
+    if (m_loaded)
+    {
+        dlclose(m_handle);
+        SDL_Vulkan_UnloadLibrary();
+    }
+}   // ~MoltenVK
+
+#endif
+
+}