| Value | Meaning |
|---|---|
| ok0x00000000 | The image could be acquired in optimal condition |
| suboptimal0x01000000 | An image could be acquired but its use is suboptimal. This is an indication that the swapchain should be re-generated when practicable. This can happen e.g. if the window is being resized but the presentation engine is able to scale the image to the surface. |
| outOfDate0x02000000 | The swapchain could is out of date and MUST be re-generated. This can happen for example during resize of the window behind the swapchain's surface, or if the window properties have changed in some way. |
| notReady0x03000000 | Swapchain.acquireNextImage timed-out, or was called with null timeout and no image was ready. |
| mask0xff000000 | Value used to mask out the index from the state. |
An Image Acquisition can have one of the 4 following states.