add clarifying comment

2017-03-07 22:44:25 +01:00 · 2017-03-07 22:44:25 +01:00 · e4ecafefc5
parent 3d13e52add
commit e4ecafefc5
1 changed files with 2 additions and 0 deletions
--- a/pixelgl/canvas.go
+++ b/pixelgl/canvas.go
@ -86,6 +86,8 @@ func (c *Canvas) MakePicture(p pixel.Picture) pixel.TargetPicture {
 		tp.dst = c
 		return tp
 	}
+
+	// Canvas special case
 	if canvas, ok := p.(*Canvas); ok {
 		return &canvasCanvasPicture{
 			src:    canvas,