[ACCEPTED]-reading from buffer/s - OpenGL-buffer

Accepted answer

Score: 10

There are two ways to read data from a Buffer Object. There 5 is glGetBufferSubData, which directly copies buffer data into 4 a pointer of your choice.

You can also map the buffer for reading. That 3 requires using glMapBufferRange (or glMapBuffer if you're old-school), which 2 you can use to get a pointer to the buffer 1 objects data and read directly.

Source: stackoverflow.com

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