Here some working examples of the GPU-module for UPBGE 0.36.1 and higher.
036_GPU_module_rectangle_with_mouse_over.blend (882.2 KB)
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036_GPU_module_vertexfragment_simple_uniformcolor_object_youle.blend (884.2 KB)
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036_GPU_module_vertexfragment_simple_uniformcolor_object_youle_offscreen.blend (967.0 KB)
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036_GPU_module_vertexfragment_Tree.blend (1.0 MB)