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Using the ARB_multi_draw_indirect command

Question asked by tmason on May 22, 2014

Hello,

 

Has anyone used the "ARB_multi_draw_indirect" command? Apparently it is supposed to make drawing much faster depending on the situation but I don't know how to use it.

 

My drawing code is currently a loop where I bind each item I want to draw with a VAO, send my MVP/Normal Matrix via glUniformMatrix* functions, send a UBO object with my materials/colors, and then do my glDrawElements(*) function.

 

But apparently using ARB_multi_draw_indirect is much faster.

 

Anyone have an example of it's use and how to use it correctly?

 

Thank you for your time.

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