fbo-generatemipmap-formats: Modify texture width to show ISL bug
The i965 driver's surface layout component (ISL) can calculate the location of miplevels incorrectly when the surface is compressed. Set the width to 257px to demonstrate this issue.
The i965 driver's surface layout component (ISL) can calculate the location of miplevels incorrectly when the surface is compressed. Set the width to 257px to demonstrate this issue.