[FFmpeg-devel] [PATCH 2/2] hwcontext_vulkan: dlopen libvulkan

[Lynne]

While Vulkan itself went more or less the way it was expected to go, 
libvulkan didn't quite solve all of the opengl loader issues. It's multi-vendor,
yes, but unfortunately, the code is Google/Khronos QUALITY, so suffers from
big static linking issues (static linking on anything but OSX is unsupported),
has bugs, and due to the prefix system used, there are 3 or so ways to type out
functions.

Just solve all of those problems by dlopening it. We even have nice emulation
for it on Windows.

Patch attached.

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