[SDL] pixel from SDL_Texture

Jonathan Dearborn grimfang4 at gmail.com
Fri Sep 5 06:02:24 PDT 2014

Well, there *should* be some API to pull the texture data back from the
GPU.  With render targets, you can manipulate texture data on the GPU, so
it is important to be able to read the changed data later, even if it
causes a GPU flush, block, and data transfer as necessary costs.

Jonny D
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