add check for valid msaa values in NewWindow()

Pat3ickI · Aug 16, 2021 · f6e2f3a · f6e2f3a
1 parent 7615c05
commit f6e2f3a
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/pixelgl/window.go b/pixelgl/window.go
@@ -1,6 +1,7 @@
 package pixelgl
 
 import (
+ "fmt"
  "image"
  "image/color"
  "runtime"
@@ -123,6 +124,17 @@ func NewWindow(cfg WindowConfig) (*Window, error) {
 
  w := &Window{bounds: cfg.Bounds, cursorVisible: true}
 
+ flag := false
+ for _, v := range []int{0, 2, 4, 8, 16} {
+ if cfg.SamplesMSAA == v {
+ flag = true
+ break
+ }
+ }
+ if !flag {
+ return nil, fmt.Errorf("invalid value '%v' for msaaSamples", cfg.SamplesMSAA)
+ }
+
  err := mainthread.CallErr(func() error {
  var err error