tree cd349bfb352dee864e0292e5bea16ccc06e5e611
parent 0bc6128d4ba61d2db216e203c537948c7cdd239f
author Austin Eng <enga@chromium.org> 1606927879 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1606927879 +0000

OpenGL: Bind a dummy sampler for OpImageFetch if not present

In WGSL, textureLoad translates to an OpImageFetch without the
combined sampler. In OpenGL, we need to use SPIRV-Cross to insert
a dummy nearest filtering sampler and bind that in the backend.

Bug: dawn:585
Change-Id: I92ae6ad35263d3720e59fa93688ca914a9495a81
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/34401
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>