Fix #957: Improve performance of hatch overlay rendering (#982)

src/client/java/aztech/modern_industrialization/MIClient.java

@@ -29,6 +29,7 @@
 import aztech.modern_industrialization.blocks.storage.barrel.DeferredBarrelTextRenderer;
 import aztech.modern_industrialization.blocks.storage.barrel.client.BarrelTooltipComponent;
 import aztech.modern_industrialization.blocks.storage.tank.TankRenderer;
+import aztech.modern_industrialization.client.MIRenderTypes;
 import aztech.modern_industrialization.datagen.MIDatagenClient;
 import aztech.modern_industrialization.datagen.MIDatagenServer;
 import aztech.modern_industrialization.datagen.model.DelegatingModelBuilder;
@@ -96,6 +97,7 @@
 import net.neoforged.neoforge.client.event.RegisterGuiLayersEvent;
 import net.neoforged.neoforge.client.event.RegisterKeyMappingsEvent;
 import net.neoforged.neoforge.client.event.RegisterMenuScreensEvent;
+import net.neoforged.neoforge.client.event.RegisterRenderBuffersEvent;
 import net.neoforged.neoforge.client.event.RenderFrameEvent;
 import net.neoforged.neoforge.client.gui.IConfigScreenFactory;
 import net.neoforged.neoforge.client.gui.VanillaGuiLayers;
@@ -163,6 +165,10 @@ private static void init(FMLConstructModEvent ignored) {
                 IConfigScreenFactory.class,
                 (mc, parentScreen) -> AutoConfig.getConfigScreen(MIConfig.class, parentScreen).get());
 
+        modBus.addListener(RegisterRenderBuffersEvent.class, event -> {
+            event.registerRenderBuffer(MIRenderTypes.solidHighlight());
+        });
+
         // Warn if neither JEI nor REI is present!
         if (!ModList.get().isLoaded("emi") && !ModList.get().isLoaded("jei")
                 && !ModList.get().isLoaded("roughlyenoughitems")) {

src/client/java/aztech/modern_industrialization/client/MIRenderTypes.java

@@ -64,7 +64,8 @@ private static RenderType makeMachineOverlay() {
         }
 
         private static RenderType makeSolidHighlight() {
-            return create("solid_highlight", DefaultVertexFormat.POSITION_COLOR_NORMAL, VertexFormat.Mode.QUADS, 65536, false, false,
+            // Use block vertex format to use the fast path in BufferBuilder, even if the shader doesn't use the extra vertex attributes.
+            return create("solid_highlight", DefaultVertexFormat.BLOCK, VertexFormat.Mode.QUADS, 65536, false, false,
                     CompositeState.builder()
                             .setTransparencyState(NO_TRANSPARENCY)
                             .setTextureState(NO_TEXTURE)