 	cloud fragment shader
 **/
 
-#ifdef GL_ES
-precision highp float;
-#endif
+precision mediump float;
  
 uniform sampler2D tex0;
 uniform vec2 offset;

	cave fragment shader
**/

#ifdef GL_ES
precision highp float;
#endif
 
uniform sampler2D tex0;


	salvage fragment shader
**/

precision mediump float;
 
uniform sampler2D tex0;

