Attempt to use a more compatible method to initialize stencil support.

In case the separate attachments don't work for everyone, there's a new setting to choose the combined attachment.

src/main/java/net/minecraftforge/common/ForgeConfig.java

@@ -139,6 +139,8 @@ public class ForgeConfig
 
         public final BooleanValue showLoadWarnings;
 
+        public final BooleanValue useCombinedDepthStencilAttachment;
+
         Client(ForgeConfigSpec.Builder builder) {
             builder.comment("Client only settings, mostly things related to rendering")
                    .push("client");
@@ -184,6 +186,11 @@ public class ForgeConfig
                 .translation("forge.configgui.showLoadWarnings")
                 .define("showLoadWarnings", true);
 
+            useCombinedDepthStencilAttachment = builder
+                    .comment("Set to true to use a combined DEPTH_STENCIL attachment instead of two separate ones.")
+                    .translation("forge.configgui.useCombinedDepthStencilAttachment")
+                    .define("useCombinedDepthStencilAttachment", false);
+
             builder.pop();
         }
     }