segmented render time display

internal/igwrap/convert.go

@@ -1,6 +1,8 @@
 package igwrap
 
 import (
+	"math"
+
 	"edgaru089.ml/go/gl01/internal/util/itype"
 	"github.com/inkyblackness/imgui-go/v4"
 )
@@ -20,6 +22,17 @@ func PackedColor(color itype.Vec4f) imgui.PackedColor {
 	return imgui.PackedColorFromVec4(Vec4(color))
 }
 
+// UnpackedColor unpacks a color to RGBA.
+func UnpackedColor(color imgui.PackedColor) itype.Vec4f {
+	r, g, b, a := color.RGBA()
+	return itype.Vec4f{
+		float32(r) / float32(math.MaxUint32),
+		float32(g) / float32(math.MaxUint32),
+		float32(b) / float32(math.MaxUint32),
+		float32(a) / float32(math.MaxUint32),
+	}
+}
+
 // Vec2 converts itype.Vec2f to imgui.Vec2.
 func Vec2(v itype.Vec2f) imgui.Vec2 {
 	return imgui.Vec2{X: v[0], Y: v[1]}