Rocm Linux GPU support

[directrix1]

Enables AMD GPU acceleration via ROCm on Linux.

[danir-de]

Currently throws countless identical errors in the console when selecting ROCm, with 20GB free GPU memory and 50GB free RAM on a 1440p canvas on OBS 31.0.3 with nnxruntime-opt-rocm 1.20.2-8:

error: [obs-backgroundremoval] ONNXRuntime Exception: Non-zero status code returned while running Conv node. Name:'Conv_8' Status Message: /usr/src/debug/onnxruntime/onnxruntime-opt-rocm/onnxruntime/core/framework/bfc_arena.cc:376 void* onnxruntime::BFCArena::AllocateRawInternal(size_t, bool, onnxruntime::Stream*, bool, onnxruntime::WaitNotificationFn) Failed to allocate memory for requested buffer of size 136682165858560
Stacktrace:
/usr/lib/libonnxruntime.so.1(+0x9059fb) [0x7c53fe9059fb]
/usr/lib/libonnxruntime.so.1(+0x8f00f6) [0x7c53fe8f00f6]
/usr/lib/libonnxruntime.so.1(+0x2cc4ab) [0x7c53fe2cc4ab]
/usr/lib/libonnxruntime_providers_rocm.so(+0x1571d2) [0x7c51e2b571d2]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf09ee) [0x7c51e2af09ee]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf0c0b) [0x7c51e2af0c0b]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf1862) [0x7c51e2af1862]
/usr/lib/libonnxruntime_providers_rocm.so(+0xcedd3) [0x7c51e2acedd3]
/usr/lib/libonnxruntime.so.1(+0x994d08) [0x7c53fe994d08]
/usr/lib/libonnxruntime.so.1(+0x996560) [0x7c53fe996560]
/usr/lib/libonnxruntime.so.1(+0x99677d) [0x7c53fe99677d]
/usr/lib/libonnxruntime.so.1(+0x998065) [0x7c53fe998065]
/usr/lib/libonnxruntime.so.1(+0x973e4f) [0x7c53fe973e4f]
/usr/lib/libonnxruntime.so.1(+0x358657) [0x7c53fe358657]
/usr/lib/libonnxruntime.so.1(+0x359bd6) [0x7c53fe359bd6]
/usr/lib/libonnxruntime.so.1(+0x2a6197) [0x7c53fe2a6197]
/usr/lib/obs-plugins/obs-backgroundremoval.so(+0xef62) [0x7c540494ff62]
/usr/lib/obs-plugins/obs-backgroundremoval.so(+0x15678) [0x7c5404956678]
/usr/lib/libobs.so.30(+0x70106) [0x7c5499d6a106]
/usr/lib/libobs.so.30(+0x85d10) [0x7c5499d7fd10]
/usr/lib/libc.so.6(+0x95708) [0x7c54972a3708]
/usr/lib/libc.so.6(+0x119aac) [0x7c5497327aac]

2025-04-27 16:17:57.287975244 [E:onnxruntime:, sequential_executor.cc:516 ExecuteKernel] Non-zero status code returned while running Conv node. Name:'Conv_8' Status Message: /usr/src/debug/onnxruntime/onnxruntime-opt-rocm/onnxruntime/core/framework/bfc_arena.cc:376 void* onnxruntime::BFCArena::AllocateRawInternal(size_t, bool, onnxruntime::Stream*, bool, onnxruntime::WaitNotificationFn) Failed to allocate memory for requested buffer of size 136682165858560
Stacktrace:
/usr/lib/libonnxruntime.so.1(+0x9059fb) [0x7c53fe9059fb]
/usr/lib/libonnxruntime.so.1(+0x8f00f6) [0x7c53fe8f00f6]
/usr/lib/libonnxruntime.so.1(+0x2cc4ab) [0x7c53fe2cc4ab]
/usr/lib/libonnxruntime_providers_rocm.so(+0x1571d2) [0x7c51e2b571d2]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf09ee) [0x7c51e2af09ee]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf0c0b) [0x7c51e2af0c0b]
/usr/lib/libonnxruntime_providers_rocm.so(+0xf1862) [0x7c51e2af1862]
/usr/lib/libonnxruntime_providers_rocm.so(+0xcedd3) [0x7c51e2acedd3]
/usr/lib/libonnxruntime.so.1(+0x994d08) [0x7c53fe994d08]
/usr/lib/libonnxruntime.so.1(+0x996560) [0x7c53fe996560]
/usr/lib/libonnxruntime.so.1(+0x99677d) [0x7c53fe99677d]
/usr/lib/libonnxruntime.so.1(+0x998065) [0x7c53fe998065]
/usr/lib/libonnxruntime.so.1(+0x973e4f) [0x7c53fe973e4f]
/usr/lib/libonnxruntime.so.1(+0x358657) [0x7c53fe358657]
/usr/lib/libonnxruntime.so.1(+0x359bd6) [0x7c53fe359bd6]
/usr/lib/libonnxruntime.so.1(+0x2a6197) [0x7c53fe2a6197]
/usr/lib/obs-plugins/obs-backgroundremoval.so(+0xef62) [0x7c540494ff62]
/usr/lib/obs-plugins/obs-backgroundremoval.so(+0x15678) [0x7c5404956678]
/usr/lib/libobs.so.30(+0x70106) [0x7c5499d6a106]
/usr/lib/libobs.so.30(+0x85d10) [0x7c5499d7fd10]
/usr/lib/libc.so.6(+0x95708) [0x7c54972a3708]
/usr/lib/libc.so.6(+0x119aac) [0x7c5497327aac]