Add logic for dynamic converstion of int to float vertex data.

We can use the format tables and input layout to determine when we need
to generate conversion code in the vertex shader.

BUG=angle:560
Change-Id: Ib64fb16823bf78ed6432fba283b0d24bcb673a76
Reviewed-on: https://chromium-review.googlesource.com/185195
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>
1 file changed