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ui/app/internal/gl: parse WebGL versions

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And drop a redundant error message while here.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-05-04 13:29:44 +02:00
parent 2d7fb556a4
commit 2af0f63cfb
2 changed files with 10 additions and 6 deletions
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ui/app/internal/gl/util.go
+9 -5
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@@ -76,10 +76,14 @@ func BytesView(s interface{}) []byte {
func ParseGLVersion(glVer string) ([2]int, error) {
var ver [2]int
if _, err := fmt.Sscanf(glVer, "OpenGL ES %d.%d", &ver[0], &ver[1]); err != nil {
if _, err := fmt.Sscanf(glVer, "%d.%d", &ver[0], &ver[1]); err != nil {
return [2]int{}, fmt.Errorf("failed to parse OpenGL ES version (%s): %v", glVer, err)
}
if _, err := fmt.Sscanf(glVer, "OpenGL ES %d.%d", &ver[0], &ver[1]); err == nil {
return ver, nil
} else if _, err := fmt.Sscanf(glVer, "WebGL %d.%d", &ver[0], &ver[1]); err == nil {
// WebGL major version v corresponds to OpenGL ES version v + 1
ver[0]++
return ver, nil
} else if _, err := fmt.Sscanf(glVer, "%d.%d", &ver[0], &ver[1]); err == nil {
return ver, nil
}
return ver, nil
return ver, fmt.Errorf("failed to parse OpenGL ES version (%s)", glVer)
}