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Explain why <map> is needed before the multimap example #464

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Explain why <map> is needed before the multimap example #464

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6 changes: 4 additions & 2 deletions en/03_Drawing_a_triangle/00_Setup/03_Physical_devices_and_queue_families.adoc
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Expand Up @@ -111,8 +111,10 @@ bool isDeviceSuitable(vk::raii::PhysicalDevice const & physicalDevice)
Instead of just checking if a device is suitable or not and going with the first
one, you could also give each device a score and pick the highest one. That way
you could favor a dedicated graphics card by giving it a higher score, but fall
back to an integrated GPU if that's the only available one. You could implement
something like that as follows:
back to an integrated GPU if that's the only available one. This needs a
`std::multimap` to keep the candidates sorted by score as we go, so that means a
new header at the top of the file. You could implement something like that as
follows:

[,c++]
----
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