From 282ec6c6c78015d11d4a38aaa35a0942a744949d Mon Sep 17 00:00:00 2001
From: Logan McNaughton <848146+loganmc10@users.noreply.github.com>
Date: Mon, 13 Jul 2026 09:17:35 +0200
Subject: [PATCH] add gpu hints on windows (#1158)

---
 parallel-rdp/interface.cpp | 7 +++++++
 src/ui.rs                  | 6 ++++++
 2 files changed, 13 insertions(+)

diff --git a/parallel-rdp/interface.cpp b/parallel-rdp/interface.cpp
index 47b09775..0b7ffd28 100644
--- a/parallel-rdp/interface.cpp
+++ b/parallel-rdp/interface.cpp
@@ -10,6 +10,13 @@
 #include <cmath>
 #include <map>
 
+#ifdef _WIN32
+extern "C" {
+__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
+__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
+}
+#endif
+
 using namespace Vulkan;
 
 #define DP_STATUS_XBUS_DMA 0x01
diff --git a/src/ui.rs b/src/ui.rs
index 4e0765bf..84211d37 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -106,6 +106,12 @@ pub struct Ui {
 }
 
 pub fn sdl_hints() {
+    #[cfg(target_os = "linux")]
+    unsafe {
+        std::env::set_var("DRI_PRIME", "1");
+        std::env::set_var("__NV_PRIME_RENDER_OFFLOAD", "1");
+    }
+
     unsafe {
         let hint = std::ffi::CString::new("1").unwrap();
         sdl3_sys::everything::SDL_SetHint(