David Jackson wrote:
Ok, well, to have the GPU, render a square, you have to tell the GPU, from the app, "place a square which is 30x20 at the coordinate 40x40. Apps need a way to give a command to the GPU to render a square. How does a wayland app give a command to render a square to GPU? What about triangles, spheres, and cubes, and even more complex graphics?
Think of how Floating Point Co-Processors worked in 1984 and you may have a clearer idea of how modern GPU's work.
You don't do an OS or driver call to tell the math processor to run a trig function. The OS instead time-shares it just like it does the CPU.
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