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Message #99135
[Bug 676183] Re: Basic shaders produce incorrect output
Here's the example page as an attachment, for archiving.
Perhaps useful to add, some other things I've tried:
* Drawing interpolated color shades using a varying variable works.
* Functions like `dot` and `max` produce valid float output. For example, using these two, I can implement just the diffuse step in Phong shading.
* But once I start using using regular operators on the floats, the values are truncated.
** Attachment added: "WebGL example page that produces the problem."
https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/676183/+attachment/1735522/+files/shaderbug.html
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Basic shaders produce incorrect output
https://bugs.launchpad.net/bugs/676183
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