--- a/com/mojang/blaze3d/platform/GLX.java
+++ b/com/mojang/blaze3d/platform/GLX.java
@@ -115,6 +115,10 @@
       p_212906_0_.put(1286, "Operation on incomplete framebuffer");
    });
 
+   /* Stores the last values sent into glMultiTexCoord2f */
+   public static float lastBrightnessX = 0.0f;
+   public static float lastBrightnessY = 0.0f;
+
    public static void populateSnooperWithOpenGL(IDataHolder p_populateSnooperWithOpenGL_0_) {
       p_populateSnooperWithOpenGL_0_.setFixedData("opengl_version", GlStateManager.getString(7938));
       p_populateSnooperWithOpenGL_0_.setFixedData("opengl_vendor", GlStateManager.getString(7936));
@@ -909,6 +913,10 @@
          GL13.glMultiTexCoord2f(p_glMultiTexCoord2f_0_, p_glMultiTexCoord2f_1_, p_glMultiTexCoord2f_2_);
       }
 
+      if (p_glMultiTexCoord2f_0_ == GL_TEXTURE1) {
+         lastBrightnessX = p_glMultiTexCoord2f_1_;
+         lastBrightnessY = p_glMultiTexCoord2f_2_;
+      }
    }
 
    public static void glBlendFuncSeparate(int p_glBlendFuncSeparate_0_, int p_glBlendFuncSeparate_1_, int p_glBlendFuncSeparate_2_, int p_glBlendFuncSeparate_3_) {