ayo
7c5d3c9157
Add native K/M/RR inference engines, HIP kernels, replay and validation harnesses, and Windows DLSS setup and runtime support. Include GPU profiling tools, build and packaging scripts, platform integration patches, and implementation documentation.
46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 7ed1f1d66b430ba35a197fbd9880cd6a76af8f06 Mon Sep 17 00:00:00 2001
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From: Codex <codex@localhost>
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Date: Thu, 1 Oct 2026 16:45:01 +0300
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Subject: [PATCH] Install the external d4r command backend before NGX
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initialization
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---
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OptiScaler/hooks/D3D12_Hooks.cpp | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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diff --git a/OptiScaler/hooks/D3D12_Hooks.cpp b/OptiScaler/hooks/D3D12_Hooks.cpp
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index 29c0bec..3b757be 100644
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--- a/OptiScaler/hooks/D3D12_Hooks.cpp
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+++ b/OptiScaler/hooks/D3D12_Hooks.cpp
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@@ -14,6 +14,7 @@
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#include <proxies/IGDExt_Proxy.h>
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#include <proxies/Streamline_Proxy.h>
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#include <proxies/KernelBase_Proxy.h>
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+#include <proxies/NVNGX_Proxy.h>
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#include <detours/detours.h>
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@@ -2230,6 +2231,19 @@ static void HookToDevice(ID3D12Device* InDevice)
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if (Util::CheckForRealObject(__FUNCTION__, InDevice, (IUnknown**) &realDevice))
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pVTable = *(PVOID**) realDevice;
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+ if (State::Instance().dlssExternalBackend)
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+ {
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+ // Capture command signatures/resources created before the game's NGX
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+ // Init. Install before adding OptiScaler's own method trampolines.
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+ using InstallCommandBackend = unsigned (*)(ID3D12Device*);
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+ auto install = reinterpret_cast<InstallCommandBackend>(KernelBaseProxy::GetProcAddress_()(
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+ NVNGXProxy::NVNGXModule(), "d4r_D3D12_InstallCommandBackend"));
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+ auto result = install ? install(realDevice ? realDevice : InDevice) : 0;
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+ LOG_INFO("External d4r command backend installed at device discovery: result={:X}", result);
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+ if (result != 1)
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+ LOG_ERROR("External d4r early command tracking failed; DLSS initialization must be checked");
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+ }
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+
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// hudless
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o_D3D12DeviceRelease = (PFN_Release) pVTable[2];
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o_CreateSampler = (PFN_CreateSampler) pVTable[22];
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--
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2.55.0.windows.5
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