If your desktop is larger than GL_MAX_TEXTURE_SIZE (sounds unlikely) then you need to have the "Copy to texture" plugin enabled in Compiz to work around that (if I recall correctly). Although your max texture size is likely quite large enough and that plugin was enabled by default in Unity7 last I checked...
If your desktop is larger than GL_MAX_TEXTURE_SIZE (sounds unlikely) then you need to have the "Copy to texture" plugin enabled in Compiz to work around that (if I recall correctly). Although your max texture size is likely quite large enough and that plugin was enabled by default in Unity7 last I checked...