1 files changed, 39 insertions, 29 deletions
diff --git a/Source/Core/VideoBackends/OGL/OGLMain.cpp b/Source/Core/VideoBackends/OGL/OGLMain.cpp
index c47b94ceb8..ef25e40a2a 100644
--- a/Source/Core/VideoBackends/OGL/OGLMain.cpp
+++ b/Source/Core/VideoBackends/OGL/OGLMain.cpp
@@ -74,8 +74,45 @@ std::string VideoBackend::GetDisplayName() const
     return _trans("OpenGL");
 }
 
-void VideoBackend::InitBackendInfo()
+void VideoBackend::InitBackendInfo(const WindowSystemInfo& wsi)
 {
+  std::unique_ptr<GLContext> temp_gl_context =
+      GLContext::Create(wsi, g_Config.stereo_mode == StereoMode::QuadBuffer, true, false,
+                        Config::Get(Config::GFX_PREFER_GLES));
+
+  if (!temp_gl_context)
+    return;
+
+  FillBackendInfo(temp_gl_context.get());
+}
+
+bool VideoBackend::InitializeGLExtensions(GLContext* context)
+{
+  // Init extension support.
+  if (!GLExtensions::Init(context))
+  {
+    // OpenGL 2.0 is required for all shader based drawings. There is no way to get this by
+    // extensions
+    PanicAlertFmtT("GPU: OGL ERROR: Does your video card support OpenGL 2.0?");
+    return false;
+  }
+
+  if (GLExtensions::Version() < 300)
+  {
+    // integer vertex attributes require a gl3 only function
+    PanicAlertFmtT("GPU: OGL ERROR: Need OpenGL version 3.\n"
+                   "GPU: Does your video card support OpenGL 3?");
+    return false;
+  }
+
+  return true;
+}
+
+bool VideoBackend::FillBackendInfo(GLContext* context)
+{
+  if (!InitializeGLExtensions(context))
+    return false;
+
   g_Config.backend_info.api_type = APIType::OpenGL;
   g_Config.backend_info.MaxTextureSize = 16384;
   g_Config.backend_info.bUsesLowerLeftOrigin = true;
@@ -123,33 +160,6 @@ void VideoBackend::InitBackendInfo()
 
   // aamodes - 1 is to stay consistent with D3D (means no AA)
   g_Config.backend_info.AAModes = {1, 2, 4, 8};
-}
-
-bool VideoBackend::InitializeGLExtensions(GLContext* context)
-{
-  // Init extension support.
-  if (!GLExtensions::Init(context))
-  {
-    // OpenGL 2.0 is required for all shader based drawings. There is no way to get this by
-    // extensions
-    PanicAlertFmtT("GPU: OGL ERROR: Does your video card support OpenGL 2.0?");
-    return false;
-  }
-
-  if (GLExtensions::Version() < 300)
-  {
-    // integer vertex attributes require a gl3 only function
-    PanicAlertFmtT("GPU: OGL ERROR: Need OpenGL version 3.\n"
-                   "GPU: Does your video card support OpenGL 3?");
-    return false;
-  }
-
-  return true;
-}
-
-bool VideoBackend::FillBackendInfo()
-{
-  InitBackendInfo();
 
   // check for the max vertex attributes
   GLint numvertexattribs = 0;
@@ -184,7 +194,7 @@ bool VideoBackend::Initialize(const WindowSystemInfo& wsi)
   if (!main_gl_context)
     return false;
 
-  if (!InitializeGLExtensions(main_gl_context.get()) || !FillBackendInfo())
+  if (!FillBackendInfo(main_gl_context.get()))
     return false;
 
   auto gfx = std::make_unique<OGLGfx>(std::move(main_gl_context), wsi.render_surface_scale);