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

scripts/build_replay_dlss_histogram.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+CXX="${CXX:-g++}"
+ROCM_ROOT="${ROCM_ROOT:-/opt/rocm}"
+if [[ ! -f "$ROCM_ROOT/include/hip/hip_runtime_api.h" || ! -f "$ROCM_ROOT/lib/libamdhip64.so" ]]; then
+  printf 'Set ROCM_ROOT to a ROCm installation containing HIP headers and libamdhip64.so\n' >&2
+  exit 2
+fi
+
+mkdir -p "$ROOT/build"
+"$CXX" -std=c++20 -O2 -Wall -Wextra -D__HIP_PLATFORM_AMD__=1 \
+  -I"$ROCM_ROOT/include" \
+  "$ROOT/tools/replay_dlss_histogram.cpp" -L"$ROCM_ROOT/lib" -lamdhip64 -ldl \
+  -Wl,-rpath,"$ROCM_ROOT/lib" \
+  -o "$ROOT/build/replay_dlss_histogram"
+printf 'Built %s\n' "$ROOT/build/replay_dlss_histogram"