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<body><span class="vcard"><a class="email" href="mailto:atomnuker@gmail.com" title="atomnuker@gmail.com">atomnuker@gmail.com</a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Mapping a DMABUF frame as a VkImage and then copying/blitting the image to another produces blank output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104865">bug 104865</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>INVALID
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Mapping a DMABUF frame as a VkImage and then copying/blitting the image to another produces blank output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104865#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED INVALID - Mapping a DMABUF frame as a VkImage and then copying/blitting the image to another produces blank output"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104865">bug 104865</a>
from <span class="vcard"><a class="email" href="mailto:atomnuker@gmail.com" title="atomnuker@gmail.com">atomnuker@gmail.com</a>
</span></b>
<pre>(In reply to Jason Ekstrand from <a href="show_bug.cgi?id=104865#c1">comment #1</a>)
<span class="quote">> I think the problem you are running into is that
> VK_EXT_external_memory_dma_buf is purely a memory sharing mechanism and
> doesn't actually provide needed APIs for importing images. That will be
> covered by VK_EXT_image_drm_format_modifier which has not yet been
> finalized. It's definitely in-progress and we're hoping to get things
> nailed down very soon.
>
> In the mean time, what you're trying to do is still possible, you just have
> to go about it differently. Instead of creating a linear VkImage on the
> DMABUF, create a VkBuffer and then use vkCmdCopyBufferToImage and provide
> the image stride using bufferRowLength. The current Vulkan WSI code in mesa
> already does this internally for cross-GPU sharing via prime.</span >
I see, thanks. I guess I'll wait until that extension gets finalized.</pre>
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