--- a/com/mojang/blaze3d/platform/GlStateManager.java
+++ b/com/mojang/blaze3d/platform/GlStateManager.java
@@ -501,9 +_,16 @@
 
    }
 
+   /* Stores the last values sent into glMultiTexCoord2f */
+   public static float lastBrightnessX = 0.0f;
+   public static float lastBrightnessY = 0.0f;
    public static void _texParameter(int p_84161_, int p_84162_, float p_84163_) {
       RenderSystem.assertOnRenderThreadOrInit();
       GL11.glTexParameterf(p_84161_, p_84162_, p_84163_);
+      if (p_84161_ == GL13.GL_TEXTURE1) {
+          lastBrightnessX = p_84162_;
+          lastBrightnessY = p_84163_;
+       }
    }
 
    public static void _texParameter(int p_84332_, int p_84333_, int p_84334_) {