fixed some osx metal compability with Distant horizon 1.7.10 backport (#2261)

sdl-gpu/src/main/java/com/gtnewhorizons/angelica/sdlgpu/SDLGPURenderBackend.java

@@ -369,6 +369,7 @@ public class SDLGPURenderBackend extends RenderBackend {
             LOG.info("Splash offscreen target {}x{} (window {}x{}, max desktop {}x{})", splashTexW, splashTexH, splashW, splashH, maxDesktop[0], maxDesktop[1]);
         }
 
+        Lwjgl3GLCapabilitiesShim.installFunctionProvider();
         Lwjgl3GLCapabilitiesShim.installOnCurrentThread(advertisedCapabilities());
 
         LOG.info("SDLGPURenderBackend initialized: renderer={}, version={}", cachedRenderer, cachedVersion);

sdl-gpu/src/main/java/com/gtnewhorizons/angelica/sdlgpu/compat/Lwjgl3GLCapabilitiesShim.java

@@ -31,6 +31,16 @@ public final class Lwjgl3GLCapabilitiesShim {
         LOG.info("Cleared fabricated LWJGL3 GLCapabilities on {}", Thread.currentThread().getName());
     }
 
+    /**
+     * Aware mods probe extension entry points through {@code GL.getFunctionProvider()}, which is null with no GL context.
+     * Every name resolves to 0 so those probes see the extension as absent and use the core path, which GLSM routes.
+     */
+    public static void installFunctionProvider() {
+        if (GL.getFunctionProvider() != null) return;
+        GL.create(name -> 0L);
+        LOG.info("Installed null-address LWJGL3 GL function provider");
+    }
+
     public static GLCapabilities create(Set<String> advertised) {
         final FunctionProvider provider = name -> SENTINEL_ADDRESS;
         final IntFunction<PointerBuffer> bufferFactory = BufferUtils::createPointerBuffer;

sdl-gpu/src/test/java/com/gtnewhorizons/angelica/sdlgpu/compat/Lwjgl3GLCapabilitiesShimTest.java

@@ -87,6 +87,21 @@ class Lwjgl3GLCapabilitiesShimTest {
         assertThrows(IllegalStateException.class, GL::getCapabilities, "clearing on release must stop the thread answering yes to runningOnRenderThread()");
     }
 
+    @Test
+    void functionProviderResolvesEveryNameToAbsent() {
+        final boolean preinstalled = GL.getFunctionProvider() != null;
+        Lwjgl3GLCapabilitiesShim.installFunctionProvider();
+        try {
+            assertNotNull(GL.getFunctionProvider());
+            if (!preinstalled) {
+                assertEquals(0L, GL.getFunctionProvider().getFunctionAddress("glBindVertexArrayAPPLE"));
+            }
+            Lwjgl3GLCapabilitiesShim.installFunctionProvider();
+        } finally {
+            if (!preinstalled) GL.destroy();
+        }
+    }
+
     @Test
     void advertisedSetHasNoDuplicatesOrBlanks() {
         final Set<String> advertised = SDLGPURenderBackend.advertisedCapabilities();