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324bcc46
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2014-12-22T13:43:02
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Fix instancing on D3D11 9_3, by ensuring slot zero contains non-instanced data
D3D11 Feature Level 9_3 supports instancing, but slot 0 in the input
layout must not be instanced. D3D9 has a similar restriction, where
stream 0 must not be instanced. This restriction can be worked around
by remapping any non-instanced slot to slot 0. This works because
HLSL uses shader semantics to match the vertex inputs to the elements
in the input layout, rather than the slots.
BUG=angle:858
Change-Id: I67b2be9095afc206a4b9f107ed61356820551afe
Reviewed-on: https://chromium-review.googlesource.com/237270
Tested-by: Austin Kinross <aukinros@microsoft.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
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