Zero padding trick with gluOrtho2D?

• holoCu

  5 12 5.0 C++

  CUDA implementation of "Energy-Efficient Adaptive 3D Sensing" (CVPR 2023)

This is probably old hat to most of you but it significantly cut down my rendering time and I want to know how it works. I am doing CUDA-OpenGL interop, I compute an image in CUDA and register the image as a texture with OpenGL to display it. For my application I need to display the output live on an optical device called a spatial light modulator. The details of the spatial light modulator are not important (not trying to promo, but the project github is here for the curious, I have not pushed this gluOrtho2D trick to it yet though), just think of the spatial light modulator as a monitor that I render images to over HDMI. The computation is happening on a NVIDIA Jetson device, which is an embedded linux system on module with just enough juice to do what I need.

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