RE: clutter batching



Salmokar,

I followed up with your post on COGL mailing list since I was also curious about cogl-batching.
Here's  a response from Robert that might help you.


--
Mahesh


Date: Wed, 13 Feb 2013 15:35:29 +0530
Subject: clutter batching
From: salmokarjames gmail com
To: clutter-list gnome org

Hello,

While running the ./test-state test within clutter, and exporting COGL_DEBUG=batching , i am getting a lot of "len=1" output..

but within this bulk of "len=1" i also get this once in a while..

journal len = 24
clip stack batch len = 24
 vbo offset batch len =24

and some times len = 48 , 72 etc..

so does that mean that batching is not being performed efficiently(or at all) because majority of the times the len =1?
and why the len varies from 1 to 24 to 72 once in a while? what does this actually mean? and is this test case suitable for batching..?

I am new to clutter development and help and explanation would benefit.

Thanks,

Kind regards,

Salmokar.

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