Improve GPU compatibility, RDNA2 kernels and startup diagnostics

- Match render/compute adapters and gate RR models by GPU capabilities
- Add RDNA2 native texture kernels and fix FP16 rounding
- Harden model builds, cache validation and packaging
- Add startup tracing, timeouts, documentation and regression tests

scripts/build_wine_nvcuda_bridge.sh

@@ -5,6 +5,7 @@ ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 WINEGCC="${WINEGCC:-winegcc}"
 WINEBUILD="${WINEBUILD:-winebuild}"
 BRIDGE_ROOT="$ROOT/build/wine-nvcuda"
+BUILD_ID="$(bash "$ROOT/scripts/runtime_build_id.sh")"
 
 mkdir -p "$BRIDGE_ROOT/x86_64-unix" "$BRIDGE_ROOT/x86_64-windows"
 MOTION_FLAGS=()
@@ -13,6 +14,7 @@ if [[ -x "${D4R_ROCM_DIR:-/opt/rocm}/lib/llvm/bin/clang++" ]]; then
   MOTION_FLAGS=(-DD4R_MOTION_KERNELS -I"$BRIDGE_ROOT/generated")
 fi
 "$WINEGCC" -m64 -shared -o "$BRIDGE_ROOT/x86_64-unix/nvcuda.dll" \
+  "-DD4R_RUNTIME_BUILD_ID=\"$BUILD_ID\"" \
   "${MOTION_FLAGS[@]}" \
   "$ROOT/tools/wine_nvcuda_bridge.c" \
   -Wb,--export="$ROOT/tools/wine_nvcuda_bridge.spec" -ldl -lpthread