From 535674d180f78191eb61157e96552aef2e84816b Mon Sep 17 00:00:00 2001
From: tytan652 <tytan652@tytanium.xyz>
Date: Sun, 27 Oct 2024 17:34:03 +0100
Subject: [PATCH] Blacklist NVIDIA driver for hardware accel under Linux

Testers have reported that CEF and NVIDIA driver does not seem to work
well together.
---
 cmake/os-linux.cmake   |  2 +-
 obs-browser-plugin.cpp | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/cmake/os-linux.cmake b/cmake/os-linux.cmake
index e4da2fe95..6fd5b776f 100644
--- a/cmake/os-linux.cmake
+++ b/cmake/os-linux.cmake
@@ -6,7 +6,7 @@ target_compile_definitions(obs-browser PRIVATE ENABLE_BROWSER_QT_LOOP)
 
 target_include_directories(obs-browser PRIVATE ${libdrm_include_directories})
 
-target_link_libraries(obs-browser PRIVATE CEF::Wrapper CEF::Library X11::X11)
+target_link_libraries(obs-browser PRIVATE CEF::Wrapper CEF::Library X11::X11 OBS::glad)
 set_target_properties(obs-browser PROPERTIES BUILD_RPATH "$ORIGIN/" INSTALL_RPATH "$ORIGIN/")
 
 target_sources(obs-browser PRIVATE drm-format.cpp drm-format.hpp)
diff --git a/obs-browser-plugin.cpp b/obs-browser-plugin.cpp
index 55482da6b..e0bd790a4 100644
--- a/obs-browser-plugin.cpp
+++ b/obs-browser-plugin.cpp
@@ -56,6 +56,7 @@
 #endif
 
 #if !defined(_WIN32) && !defined(__APPLE__)
+#include <glad/glad.h>
 #include "drm-format.hpp"
 #endif
 
@@ -700,6 +701,29 @@ static void check_hwaccel_support(void)
 		}
 	}
 }
+#elif __linux__
+static void check_hwaccel_support(void)
+{
+	/* NOTE: GL_VERSION returns a string that contains the driver vendor */
+	const char *glVersion = NULL;
+
+        obs_enter_graphics();
+	gladLoadGL();
+	glVersion = (const char *)glGetString(GL_VERSION);
+	obs_leave_graphics();
+
+	if (strstr(glVersion, "NVIDIA") != NULL)
+	{
+		hwaccel = false;
+		blog(LOG_INFO, "[obs-browser]: "
+				"Blacklisted driver "
+				"detected, "
+				"disabling browser "
+				"source hardware "
+				"acceleration.");
+	}
+	return;
+}
 #else
 static void check_hwaccel_support(void)
 {