Adds the initial support for Internal Stage Buffer Entry Read - ISBERD, a mechanism used to read internal stage buffer entries with accurate per-stage synchronization. This enables more precise tracking of GPU buffer accesses, improving compatibility with games relying on fine-grained intermediate rendering stages (especially UE4 titles and post-processing heavy engines).
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/124
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>