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internal/shader: simplify canBeFloatImplicitly

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Updates #2550
This commit is contained in:
Hajime Hoshi 2023-07-23 13:54:22 +09:00
parent 12e60b7273
commit 94d1df8c7d
1 changed files with 6 additions and 9 deletions
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15
internal/shader/type.go
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@ -107,21 +107,18 @@ func (cs *compileState) parseType(block *block, fname string, expr ast.Expr) (sh
}
func canBeFloatImplicitly(expr shaderir.Expr, t shaderir.Type) bool {
// TODO: For integers, should only constants be allowed?
if expr.Const != nil && canTruncateToFloat(expr.Const) {
return true
}
// canBeFloatImplicitly is used for a cast-like functions like float() or vec2().
// A non-constant integer value is acceptable.
if t.Main == shaderir.Int {
return true
}
if t.Main == shaderir.Float {
return true
}
if expr.Const != nil {
if expr.Const.Kind() == gconstant.Int {
return true
}
if expr.Const.Kind() == gconstant.Float {
return true
}
}
return false
}