Is it possible to render GLSL patches in an image? I tried doing this and am getting crazy visual glitches. When I render the same GLSL straight to the screen its fine.

I've attached the problematic composition. Basically when I run this fullscreen and without the Render in Image it is excruciatingly slow, so I would like to render it at say 128x128 and then stretch that onto the screen but the results are buggy. Changing the subdivision (affects the render size) changes the way it glitches. Also if I remove the Clear patch from the Render in Image, I don't get the crazy black triangles, but it flickers like mad. I"ve played with the render in image settings but couldn't fix it. Is it a bug or do I need to change my GLSL code somehow? (works under normal conditions)

cheers,

Memo.

Attachment: Plasma GLSL.qtz
Description: application/quartzcomposer


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