1 files changed, 53 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/gpu_info_util/SystemInfo_x11.cpp b/src/3rdparty/angle/src/gpu_info_util/SystemInfo_x11.cpp
new file mode 100644
index 0000000000..3513309f36
--- /dev/null
+++ b/src/3rdparty/angle/src/gpu_info_util/SystemInfo_x11.cpp
@@ -0,0 +1,53 @@
+//
+// Copyright (c) 2013-2017 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// SystemInfo_x11.cpp: implementation of the X11-specific parts of SystemInfo.h
+
+#include "gpu_info_util/SystemInfo_internal.h"
+
+#include <X11/Xlib.h>
+
+#include "common/debug.h"
+#include "third_party/libXNVCtrl/NVCtrl.h"
+#include "third_party/libXNVCtrl/NVCtrlLib.h"
+
+#if !defined(GPU_INFO_USE_X11)
+#error SystemInfo_x11.cpp compiled without GPU_INFO_USE_X11
+#endif
+
+namespace angle
+{
+
+bool GetNvidiaDriverVersionWithXNVCtrl(std::string *version)
+{
+    *version = "";
+
+    int eventBase = 0;
+    int errorBase = 0;
+
+    Display *display = XOpenDisplay(nullptr);
+
+    if (XNVCTRLQueryExtension(display, &eventBase, &errorBase))
+    {
+        int screenCount = ScreenCount(display);
+        for (int screen = 0; screen < screenCount; ++screen)
+        {
+            char *buffer = nullptr;
+            if (XNVCTRLIsNvScreen(display, screen) &&
+                XNVCTRLQueryStringAttribute(display, screen, 0,
+                                            NV_CTRL_STRING_NVIDIA_DRIVER_VERSION, &buffer))
+            {
+                ASSERT(buffer != nullptr);
+                *version = buffer;
+                XFree(buffer);
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+}