I resize all my images with ImageMagick to 16x16 px to see, but no
really change about performances :(
So there is no really optimization with NVidia driver 180.44 on
GeForce 9700M GTS and Ubuntu 9.04.
++
Jack
Le 25 juin 09 à 17:18, Jack a écrit :
Incredible !
I will test it now !
Thanx.
++
Jack
Le 25 juin 09 à 17:14, chris clepper a écrit :
You are just going to have to test it. On OSX video textures that
are multiples of 16 have been twice as efficient or more.
On Thu, Jun 25, 2009 at 11:10 AM, Jack <[email protected]> wrote:
Hello Chris,
Excuse me to come back on this question. But can you help me about
width image size and drivers ? Do you know if there is
optimization with the NVidia driver 180.44 and images with size
multiple of 16 px in width ? If the answer is yes, i have to
resize my images because i use 768 textures with different size at
4 fps (enough for me but if i can optimize, why not ;). (I use
GeForce 9700M GTS on Ubuntu 9.04).
Thanx.
++
Jack
Le 24 juin 09 à 16:55, Jack a écrit :
Thanx Chris, but the solution given by Iohannes seems to work
perfectly.
However, is it better for performance to give to an image a width
multiple of 16 in any cases or not ?
I use the last NVidia driver 180.44 on Ubuntu 9.04.
++
Jack
Le 24 juin 09 à 16:32, chris clepper a écrit :
On Wed, Jun 24, 2009 at 8:53 AM, Jack <[email protected]> wrote:
However, there is something very strange if it's about memory
because on my MacPro 2x2.66 GHz Dual-Core Intel Xeon, i have
only 256 MB on the GPU and all works fine on it (only 2 fps but
it is not so slow).
The size of the images are between 127x108 and 72x123 pixels (so
the total size at 24bit is near 12 MB ! : 127x108x3x300/1048576
= 11.77 MB).
Most of the drivers have optimizations for images that are a
multiple of 16 in width, so maybe try using 128 pixel wide
images and see if that helps.
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