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1 files changed, 43 insertions, 0 deletions

diff --git a/external/imgui/examples/example_null/main.cpp b/external/imgui/examples/example_null/main.cpp
new file mode 100644
index 0000000..eba6756
--- /dev/null
+++ b/external/imgui/examples/example_null/main.cpp
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+// dear imgui: "null" example application
+// (compile and link imgui, create context, run headless with NO INPUTS, NO GRAPHICS OUTPUT)
+// This is useful to test building, but you cannot interact with anything here!
+#include "imgui.h"
+#include <stdio.h>
+
+// For imgui_impl_null: use relative filename + embed implementation directly by including the .cpp file.
+// This is to simplify casual building of this example from all sorts of test scripts.
+#include "../../backends/imgui_impl_null.h"
+#include "../../backends/imgui_impl_null.cpp"
+
+int main(int, char**)
+{
+    IMGUI_CHECKVERSION();
+
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO();
+
+    ImGui_ImplNullPlatform_Init();
+    ImGui_ImplNullRender_Init();
+
+    for (int n = 0; n < 20; n++)
+    {
+        printf("NewFrame() %d\n", n);
+        ImGui_ImplNullPlatform_NewFrame();
+        ImGui_ImplNullRender_NewFrame();
+        ImGui::NewFrame();
+
+        static float f = 0.0f;
+        ImGui::Text("Hello, world!");
+        ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
+        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
+        ImGui::ShowDemoWindow(nullptr);
+
+        ImGui::Render();
+    }
+
+    printf("DestroyContext()\n");
+    ImGui_ImplNullRender_Shutdown();
+    ImGui_ImplNullPlatform_Shutdown();
+    ImGui::DestroyContext();
+    return 0;
+}