On 2 Dec 2007, at 07:50, vade wrote:
Hm, this patch does not work on my system, and renders really
slowly, around 10fps. I have a dual 2.33 macbook pro with 3gb of
ram. Youre using a sampler in the vertex program wish is supported
on VERY few machines - whats odd is that i wrote a similar shader
and posted it earlier, which did work on my system - with only
images - this one now does not work with video or images
What kind of hardware are you on, and OS rev?
Hmm, curious. I'm on a dual 2.4 MacBook Pro with 2gb ram, GeForce
8600M GT 256MB, Mac OS X 10.5.1 (9B18).
I noticed that different image sources produced different framerates.
I got a great framerate using a Movie Loader to load an .mp4 file, but
when I connected it to my built-in iSight the framerate dropped very
low (~10fps too). I'm afraid my knowledge of OpenGL is exhausted at
this stage but could it be due to the image format not being suitable
for passing into the GLSL shader, thus needing expensive conversion?
I think I'll consign my experiment to the trash can. Thanks for the
feedback and explaining where I was going wrong. GLSL seems very
powerful but I really need to learn about it properly before I can go
much further.
Cheers,
A.
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