Mesh shader queries

[inner-daemons]

Currently, mesh shader queries aren't planned. The mesh shader vulkan extension only lists a few new queries, and they are documented here:

• VK_QUERY_PIPELINE_STATISTIC_MESH_SHADER_INVOCATIONS_BIT_EXT - Mesh shader invocation counting
• VK_QUERY_PIPELINE_STATISTIC_TASK_SHADER_INVOCATIONS_BIT_EXT - Task shader invocation counting
• VK_QUERY_TYPE_MESH_PRIMITIVES_GENERATED_EXT - count the number of primitives that "reach the fragment stage", presumably meaning not being culled, perhaps also eliminating degenerate triangles?

They are not currently planned, but if someone has a desire for them please leave a comment so I know.