Blacklist NVIDIA driver for hardware accel under Linux

Testers have reported that CEF and NVIDIA driver does not seem to work
well together.

Author: tytan652

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)

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 +701,24 @@ 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)
 {