Method GetDrawData

imgui_tiny_app/imgui/imgui.cpp:5295–5300

Pass this to your backend rendering function! Valid after Render() and until the next call to NewFrame()

// Pass this to your backend rendering function! Valid after Render() and until the next call to NewFrame()
ImDrawData* ImGui::GetDrawData()
{
    ImGuiContext& g = *GImGui;
    ImGuiViewportP* viewport = g.Viewports[0];
    return viewport->DrawDataP.Valid ? &viewport->DrawDataP : NULL;
}

double ImGui::GetTime()
{