[host] dxgi: d3d12 now writes direclty into ivshmem #2440

Job	Run time
docs	32s
host-linux	36s
host-windows-cross	47s
client (gcc, g++, xdg-shell, Release)	54s
client (gcc, g++, xdg-shell, Debug)	39s
host-windows-native	53s
module	35s
client (gcc, g++, libdecor, Release)	47s
obs (gcc)	39s
client (gcc, g++, libdecor, Debug)	49s
obs (clang)	40s
client (clang, clang++, xdg-shell, Release)	1m 2s
client (clang, clang++, xdg-shell, Debug)	1m 6s
client (clang, clang++, libdecor, Release)	1m 4s
client (clang, clang++, libdecor, Debug)	42s
	11m 45s

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