CVar shadowTextureSize

Shadow texture size. This cvar is automatically set when changing ShadowQuality.

Default Setting

 * 1024

Possible Settings

 * 1024:Shadow Quality 3
 * 2048:Shadow Quality 4

Changing this setting
In-game, type the following /console shadowTextureSize setting

Alternatively, you can exit wow, open the Config.wtf file, and add the following line: SET shadowTextureSize setting