370         sk_app::Window::BackendType newBackend = fBackendType;  in Viewer()  local
373             newBackend = sk_app::Window::kNativeGL_BackendType;  in Viewer()
376             newBackend = sk_app::Window::kVulkan_BackendType;  in Viewer()
379             newBackend = sk_app::Window::kRaster_BackendType;  in Viewer()
384             newBackend = sk_app::Window::kNativeGL_BackendType;  in Viewer()
386             newBackend = sk_app::Window::kRaster_BackendType;  in Viewer()
390         this->setBackend(newBackend);  in Viewer()
1011                 int newBackend = static_cast<int>(fBackendType);  in drawImGui()  local
1012                 ImGui::RadioButton("Raster", &newBackend, sk_app::Window::kRaster_BackendType);  in drawImGui()
1014                 ImGui::RadioButton("OpenGL", &newBackend, sk_app::Window::kNativeGL_BackendType);  in drawImGui()
1017                 ImGui::RadioButton("Vulkan", &newBackend, sk_app::Window::kVulkan_BackendType);  in drawImGui()
1019                 if (newBackend != fBackendType) {  in drawImGui()
1021                         this->setBackend(static_cast<sk_app::Window::BackendType>(newBackend));  in drawImGui()