reset nv fog mode to planar if it ever gets set to radial

Author: tildejustin

src/main/java/me/jellysquid/mods/sodium/mixin/features/options/MixinBackgroundRenderer.java

@@ -1,8 +1,10 @@
 package me.jellysquid.mods.sodium.mixin.features.options;
 
-import com.mojang.blaze3d.systems.RenderSystem;
+import com.mojang.blaze3d.platform.GlStateManager;
 import me.jellysquid.mods.sodium.client.SodiumClientMod;
 import net.minecraft.client.render.BackgroundRenderer;
+import org.lwjgl.opengl.GL;
+import org.lwjgl.opengl.NVFogDistance;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Redirect;
@@ -11,10 +13,9 @@
 public abstract class MixinBackgroundRenderer {
     @Redirect(method = "applyFog", at = @At(value = "INVOKE", target = "Lcom/mojang/blaze3d/systems/RenderSystem;setupNvFogDistance()V"))
     private static void redirectSetupNvFogDistance() {
-        if (SodiumClientMod.options().speedrun.usePlanarFog) {
-            return;
-        } else {
-            RenderSystem.setupNvFogDistance();
+        if (GL.getCapabilities().GL_NV_fog_distance) {
+            int fogType = SodiumClientMod.options().speedrun.usePlanarFog ? NVFogDistance.GL_EYE_PLANE_ABSOLUTE_NV : NVFogDistance.GL_EYE_RADIAL_NV;
+            GlStateManager.fogi(NVFogDistance.GL_FOG_DISTANCE_MODE_NV, fogType);
         }
     }
 }