(02-17-2014, 01:18 PM)pauldacheez Wrote: To support NV's guess, support for either AMD_pinned_memory or ARB_buffer_storage (fuck if I remember which) was recently implemented in Linux's open-source AMD drivers for all GPUs going way back to the r300 cards, e.g. the Radeon X1600 (which predates GL 3 completely!). The hardware support's definitely been there for ages, so it stands to reason that the software support should be too.It was ARB_buffer_storage, but note that the patches haven't been merged yet, afaik.
About hardware support being available for ARB_buffer_storage: that might be true technically, but there's a bug in the OpenGL specification which (sort of) adds a dependency of that extention on ARB_image_load_store, which is not widely supported on older hardware.