main: Add SHADER_STORAGE_BLOCK and BUFFER_VARIABLE support for ARB_program_interface_query

Including TOP_LEVEL_ARRAY_SIZE and TOP_LEVEL_ARRAY_STRIDE queries.

v2:
- Use std430_array_stride() to get top level array stride following std430's rules.

Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
5 files changed