d4r: official NVIDIA DLSS on AMD GPUs under Linux and Proton

scripts/build_wine_nvcuda_bridge.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+WINEGCC="${WINEGCC:-winegcc}"
+WINEBUILD="${WINEBUILD:-winebuild}"
+BRIDGE_ROOT="$ROOT/build/wine-nvcuda"
+
+mkdir -p "$BRIDGE_ROOT/x86_64-unix" "$BRIDGE_ROOT/x86_64-windows"
+"$WINEGCC" -m64 -shared -o "$BRIDGE_ROOT/x86_64-unix/nvcuda.dll" \
+  "$ROOT/tools/wine_nvcuda_bridge.c" \
+  -Wb,--export="$ROOT/tools/wine_nvcuda_bridge.spec" -ldl -lpthread
+"$WINEBUILD" --dll --fake-module -E "$ROOT/tools/wine_nvcuda_bridge.spec" \
+  -F nvcuda.dll -b x86_64-windows -o "$BRIDGE_ROOT/x86_64-windows/nvcuda.dll"
+printf 'Built Wine nvcuda bridge in %s\n' "$BRIDGE_ROOT"