Fix compile error with photonics and cumulonimbus clouds

shaders/dimensions/all_translucent.fsh

@@ -3,11 +3,6 @@
 	#extension GL_ARB_shading_language_packing: enable
 #endif
 
-#if defined CUMULONIMBUS_LIGHTNING && CUMULONIMBUS > 0 && defined OVERWORLD_SHADER && defined COLORWHEEL
-	#extension GL_NV_gpu_shader5 : enable
-	#extension GL_ARB_shader_image_load_store : enable
-#endif
-
 #include "/lib/settings.glsl"
 
 #include "/lib/SSBOs.glsl"

shaders/dimensions/composite2.fsh

@@ -34,6 +34,10 @@ uniform sampler2D colortex7;
 uniform sampler2D colortex10;
 uniform sampler2D colortex14;
 
+#if defined CUMULONIMBUS_LIGHTNING && CUMULONIMBUS > 0
+layout (rgba16f) uniform image2D cloudDepthTex;
+#endif
+
 in DATA {
 	flat vec3 WsunVec;
 	flat vec3 WrealSunVec;

shaders/dimensions/composite3.fsh

@@ -107,6 +107,10 @@ uniform float sunElevation;
   uniform int worldDay;
 #endif
 
+#if defined CUMULONIMBUS_LIGHTNING && CUMULONIMBUS > 0
+layout (rgba16f) uniform image2D cloudDepthTex;
+#endif
+
 #include "/lib/waterBump.glsl"
 #include "/lib/res_params.glsl"