Pointcloud selection support

This patch adds support for selecting pointclouds.

Since pointclouds were not properly drawn to the selection buffer (as diagonsed by output from `glReadPixels` and Renderdoc), they were not able to be selectable by depth picking or occlusion queries. In `basic_engine`, objects were rendered with a shader which draws to a depth buffer but only assumes a single position vertex attribute. Pointclouds, though, require at least another vertex attribute `pos_inst` which provides the instance offsets. Thus, this patch adds another shader variant for pointclouds which supports these two attributes and renders the points appropriately.

{F11652666}

Addresses T92415

Reviewed By: fclem

Differential Revision: https://developer.blender.org/D13059

1 files changed, 0 insertions, 0 deletions

diff --git a/release/scripts/addons b/release/scripts/addons
-Subproject f2a08d80ccd3c13af304525778df3905f95bd44
+Subproject 67f1fbca1482d9d9362a4001332e785c3fd5d23