On 23/12/14 17:18, xä wrote:
hi list,
I have to load a huge image of about 23000 pixels x 700 pixels in order to
be as a landscape image scrolling in slow motion with a certain time
sequencer.
That's too big for most graphics cards. Not sure if there is a way in
Gem to query the maximum texture dimensions, but in C you'd use proxy
targets for glTexImage2D. Typically textures go up to 8192 or another
nearby power of two in each dimension.
I m testing with pix_image and pix_multiimage but seems to load only a
fragment of the image about 1000pixels (horizontal) cropping and not
rendering the rest.
Split it into vertical slices and display them on a lot of quads. You
might have to be tricky with pixel positioning to avoid seams. I did
this once in gridflow, don't know where the patch is though (6 years ago
at least) - so maybe you could try the gridflow/Gem bridge if it hasn't
bitrotted too hard.
(the size of the image is about 1.2M in jpg)
That's irrelevant, it's decompressed before you put it in video memory.
Claude
Any suggestion?
thanx
Xavi M.dAAX
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