tree 4a659ff277968cef8d6df5e3821ccc6bc4a506b9
parent 0abb7a2a269ea26c19f40a4298c6fb00bf8dd517
author Martin Radev <mradev@nvidia.com> 1502975129 +0300
committer Commit Bot <commit-bot@chromium.org> 1504169019 +0000

D3D11: Handle multi-view Draw* calls

Because the ANGLE_multiview extension uses instancing to multiply
geometry for each view, Draw* calls with an active multiview program
have to be handled in the follwing way:
1) Convert non-instanced Draw calls to their instanced versions.
2) Multiply the number of instances in an instanced Draw call by the
number of views.
The patch also applies the viewport offsets to the viewport and scissor
rectangle and propagates the computed viewports and scissors to the
D3D11 runtime.

BUG=angleproject:2062
TEST=angle_end2end_tests

Change-Id: I8b4295c95c2cc0c1046c67e1fb1a782a46703292
Reviewed-on: https://chromium-review.googlesource.com/618331
Commit-Queue: Martin Radev <mradev@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>