Cache RenderLayer#getBlockLayers to avoid constant memory leak

Based on https://github.com/Asek3/Rubidium/pull/588

Co-Authored-By: 狂想ThePotato <110756250+kasualix@users.noreply.github.com>

src/main/java/me/jellysquid/mods/sodium/mixin/features/render_layer/MixinRenderLayer.java

@@ -0,0 +1,22 @@
+package me.jellysquid.mods.sodium.mixin.features.render_layer;
+
+import com.google.common.collect.ImmutableList;
+import net.minecraft.client.render.RenderLayer;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+
+import java.util.List;
+
+import static net.minecraft.client.render.RenderLayer.*;
+
+@Mixin(RenderLayer.class)
+public class MixinRenderLayer {
+
+    private static final List<RenderLayer> layers =  ImmutableList.of(getSolid(), getCutoutMipped(), getCutout(), getTranslucent(), getTripwire());;
+
+    @Overwrite
+    public static List<RenderLayer> getBlockLayers() {
+        return layers;
+    }
+
+}

src/main/resources/rubidium.mixins.json

@@ -57,6 +57,7 @@
     "features.options.MixinWorldRenderer",
     "features.particle.cull.MixinParticleManager",
     "features.particle.fast_render.MixinBillboardParticle",
+    "features.render_layer.MixinRenderLayer",
 	"features.render_layer.MixinRenderLayers",
     "features.render_layer.leaves.MixinLeavesBlock",
     "features.render_layer.leaves.MixinRenderLayers",