Fix Fog shader corrupted rendering

core/src/main/java/com/seibel/distanthorizons/core/render/renderer/shaders/AbstractShaderRenderer.java

@@ -122,9 +122,11 @@ public abstract class AbstractShaderRenderer {
         GL32.glActiveTexture(GL32.GL_TEXTURE0);
         GL32.glBindTexture(GL32.GL_TEXTURE_2D, shaderTexture);
         GL32.glDrawArrays(GL32.GL_TRIANGLES, 0, 6);
-
-
-
+	    
+		
+		// explicitly unbinding the frame buffer is necessary to prevent GL_CLEAR calls from hitting the wrong buffer
+	    GL32.glBindFramebuffer(GL32.GL_FRAMEBUFFER, 0);
+		
         state.restore();
     }