From 51afc2c2910d6f7c1f2dee9c90f54729d3c3d940 Mon Sep 17 00:00:00 2001
From: fazzi <18248986+fxzzi@users.noreply.github.com>
Date: Fri, 18 Apr 2025 20:44:54 +0100
Subject: ctm: enable fade animation on nvidia driver versions 575 and above
 (#10095)

* ctm: enable fade animation on nvidia driver versions 575 and above

* format if statement without braces; handle potential throw when checking for nvidia version file
---
 src/render/Renderer.cpp | 37 ++-----------------------------------
 1 file changed, 2 insertions(+), 35 deletions(-)

(limited to 'src/render/Renderer.cpp')

diff --git a/src/render/Renderer.cpp b/src/render/Renderer.cpp
index 8a2d4555..4eee27ff 100644
--- a/src/render/Renderer.cpp
+++ b/src/render/Renderer.cpp
@@ -35,6 +35,7 @@
 #include "debug/Log.hpp"
 #include "../protocols/ColorManagement.hpp"
 #include "../protocols/types/ContentType.hpp"
+#include "../helpers/MiscFunctions.hpp"
 
 #include <hyprutils/utils/ScopeGuard.hpp>
 using namespace Hyprutils::Utils;
@@ -2349,43 +2350,9 @@ SExplicitSyncSettings CHyprRenderer::getExplicitSyncSettings(SP<Aquamarine::IOut
         if (!m_bNvidia)
             settings.explicitKMSEnabled = true;
         else {
-
-            // check nvidia version. Explicit KMS is supported in >=560
-            // in the case of an error, driverMajor will stay 0 and explicit KMS will be disabled
-            static int  driverMajor = 0;
-
-            static bool once = true;
-            if (once) {
-                once = false;
-
-                Debug::log(LOG, "Renderer: checking for explicit KMS support for nvidia");
-
-                if (std::filesystem::exists("/sys/module/nvidia_drm/version")) {
-                    Debug::log(LOG, "Renderer: Nvidia version file exists");
-
-                    std::ifstream ifs("/sys/module/nvidia_drm/version");
-                    if (ifs.good()) {
-                        try {
-                            std::string driverInfo((std::istreambuf_iterator<char>(ifs)), (std::istreambuf_iterator<char>()));
-
-                            Debug::log(LOG, "Renderer: Read nvidia version {}", driverInfo);
-
-                            CVarList ver(driverInfo, 0, '.', true);
-                            driverMajor = std::stoi(ver[0]);
-
-                            Debug::log(LOG, "Renderer: Parsed nvidia major version: {}", driverMajor);
-
-                        } catch (std::exception& e) { settings.explicitKMSEnabled = false; }
-
-                        ifs.close();
-                    }
-                }
-            }
-
-            settings.explicitKMSEnabled = driverMajor >= 560;
+            settings.explicitKMSEnabled = isNvidiaDriverVersionAtLeast(560);
         }
     }
-
     return settings;
 }
 
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