graphics: Add comments about DrawImage

This commit is contained in:
Hajime Hoshi 2019-01-20 03:27:02 +09:00
parent 7dafbb2e4e
commit aa2919ada4

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@ -225,7 +225,8 @@ func (i *Image) disposeMipmaps() {
// Even when all the above conditions are satisfied, multiple draw commands can be used in really rare cases. Ebiten
// images usually share an internal automatic texture atlas, but when you consume the atlas, or you create a huge
// image, those images cannot be on the same texture atlas. In this case, draw commands are separated. The texture
// atlas size is 4096x4096 so far.
// atlas size is 4096x4096 so far. Another case is when you use an offscreen as a render source. An offscreen doesn't
// share the texture atlas with high probability.
//
// For more performance tips, see https://github.com/hajimehoshi/ebiten/wiki/Performance-Tips.
//