hello world example panics #1223
Description
Describe the bug
After installing cmd/core and running core setup I attempted to run the basics / hello world example:
https://www.cogentcore.org/core/basics/hello-world
this panics.
How to reproduce
OS: archlinux
Golang: go1.23.0
linux/amd64
Example code
package main
import "cogentcore.org/core/core"
func main() {
b := core.NewBody()
core.NewButton(b).SetText("Hello, World!")
b.RunMainWindow()
}Relevant output
$ go run main.go
panic: runtime error: index out of range [0] with length 0
goroutine 1 [running, locked to thread]:
cogentcore.org/core/gpu.(*GPU).init(0xc0001b2360)
/home/user/go/src/github.com/user/project/vendor/cogentcore.org/core/gpu/gpu.go:108 +0x418
cogentcore.org/core/gpu.NewGPU(...)
/home/user/go/src/github.com/user/project/vendor/cogentcore.org/core/gpu/gpu.go:88
cogentcore.org/core/system/driver/desktop.(*App).InitGPU(0x1dc1240)
/home/user/go/src/github.com/user/project/vendor/cogentcore.org/core/system/driver/desktop/app.go:91 +0x174
cogentcore.org/core/system/driver/desktop.Init()
/home/user/go/src/github.com/user/project/vendor/cogentcore.org/core/system/driver/desktop/app.go:29 +0x1f
cogentcore.org/core/system/driver.init.0()
/home/user/go/src/github.com/user/project/vendor/cogentcore.org/core/system/driver/driver_desktop.go:30 +0xb8
exit status 2Platform
Linux
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