@@ -0,0 +1,686 @@
+// (hookshot) DLSS 5 neural rendering through NGX directly; gpu/vk/vk_dlssnr_ngx.h says why there are two paths and where

@@ -0,0 +37,4 @@
+/// reach the next frame (tests/test_nr_settings_live.py says why that matters here).
+bool asked() {
+    if (const char* e = getenv("RX_VK_DLSS_NR")) return atoi(e) != 0;
+    return nr_settings().on;

@@ -0,0 +77,4 @@
+    VmaAllocation memory{};
+};
+
+struct State {

@@ -0,0 +385,4 @@
+/// The feature, made for this size, preset and quality: those are creation parameters, so a change of any of them makes
+/// it again. Creation records into `cmd`.
+bool ensure_feature(State& s, VkCommandBuffer cmd, const NrSettings& want, uint32_t w, uint32_t h) {
+    if (s.feature && s.feature_w == w && s.feature_h == h && s.feature_preset == want.preset &&

@@ -0,0 +485,4 @@
+
+VkImage apply(VkCommandBuffer cmd, VkImage src, uint32_t sw, uint32_t sh, VkImageView* out_view, const NrFrame* frame) {
+    State& s = state();
+    if (!src || !sw || !sh || !asked()) return VK_NULL_HANDLE;

@@ -0,0 +645,4 @@
+        s.check_done = false;
+        s.phase = kChecking;
+        if (s.checker.joinable()) s.checker.join();
+        s.checker = std::thread([&s] {

@@ -0,0 +34,4 @@
+
+def main():
+    p = argparse.ArgumentParser()
+    p.add_argument("--glslang", required=True)

@@ -0,0 +16,4 @@
+#include "vk_streamline.h"
+
+#if defined(HOOKSHOT_NGX)
+#include "vk_dlss.h"   // (dlss_ngx_session, dlss_ngx_runtime: the one NGX session and the folders it was given)

@@ -0,0 +29,4 @@
+#include "shaders/opennr_khr_spv.h"
+#include "shaders/opennr_post_comp_spv.h"
+#include "shaders/opennr_pre_comp_spv.h"
+#include "vk_camera_motion.h"

@@ -0,0 +76,4 @@
+    // (a check still running at exit: let go of, not destroyed joinable, which is std::terminate. It is joined on a later
+    // apply with the row on, or in shutdown; the row turned off mid-check left it joinable in this static for good)
+    ~State() {
+        if (checker.joinable()) checker.detach();

@@ -0,0 +461,4 @@
+        if (const char* e = getenv("RX_VK_NR_BACKEND"); e && !strcmp(e, "open")) return true;
+        if (const char* e = getenv("RX_VK_DLSS_NR_BACKEND"); e && (!strcmp(e, "open") || !strcmp(e, "3"))) return true;
+        if (opts.nr_backend == 3) return true;
+        if (dev.physical && dev.props.vendorID != 0x10de) return true;   // (not NVIDIA: Open, the khr route)