<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, May 15, 2018 at 3:32 PM, Bas Nieuwenhuizen <span dir="ltr"><<a href="mailto:bas@basnieuwenhuizen.nl" target="_blank">bas@basnieuwenhuizen.nl</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">No, this is a vulkan issue, where we want to let apps create linear<br>
RGB float surfaces. (AMDVLK exposes this too:<br>
<a href="http://vulkan.gpuinfo.org/displayreport.php?id=3222#formats" rel="noreferrer" target="_blank">http://vulkan.gpuinfo.org/<wbr>displayreport.php?id=3222#<wbr>formats</a>, see<br>
R32G32B32_SFLOAT and friends) Vulkan has no conecept of staging<br>
textures (or at least the app does not have to tell the driver).<br>
<br>
Though I'm not so sure anymore my patch is the right one, since vulkan<br>
apps can share these surfaces with other apps using the same GPU.<br></blockquote><div><br></div><div>Yeah, I think the shareable flag isn't guaranteed to be always set.</div><div><br></div><div>Marek<br></div></div><br></div></div>