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@shauna Typical desktop application rendering works very differently from video game rendering.

The former is mostly done on the CPU with occasionally an image file or similar handed to the GPU to render it, then it's handed back to the CPU and included into the final display frame, which is then shoved back through your GPU to your monitor. This is called "immediate mode".

Video games, on the other hand, work in "retained mode". All the graphical elements are handed to the GPU. The GPU can make all the rendering decisions and of course, does the rendering with its optimized hardware. And then it provides the rendered frame to your monitor directly, so in particular, there's also a lot less traffic between RAM and VRAM.
@oblomov