[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 486: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4675: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3817)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4677: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3817)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4678: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3817)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4679: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3817)
PocketMatrix • View topic - Do RGBA surfaces save memory?
This site is no longer active and is available for archival purposes only. Registration and login is disabled.

Do RGBA surfaces save memory?


Do RGBA surfaces save memory?

Postby eugraphics » Feb 3, 2007 @ 8:36pm

If I create an RGBA surface from a png image instead of allocating 2 surfaces (1 for an alpha mask), am I saving memory?

It does not appear so in my basic testing, but I can't believe that is correct. I assume there is some memory savings right?
eugraphics
pm Member
 
Posts: 56
Joined: Dec 3, 2006 @ 6:56pm


Postby eugraphics » Feb 3, 2007 @ 10:46pm

Based on my logs it looks like a 240x320 surface uses 192K of VirtualMem for both the image surface and for the alpha surface (384K total). This doesnt add up if you figure 240 X 320 X 2 bytes/pixel X 2surfaces (=307K). Any idea why it wouldnt add up?

If i use RGBA surfaces it uses 320K of VM for the single image, which is better than 384K. Are there any official memory use stats for surface allocation?
eugraphics
pm Member
 
Posts: 56
Joined: Dec 3, 2006 @ 6:56pm


Return to GapiDraw


Sort


Forum Description

The Cross-platform Graphics SDK for Palms, Pocket PCs, Symbian Devices, and Stationary PCs.

Moderators:

sponge, Johan

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum