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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Unexpected incomplete framebuffer in _mesa_meta_GenerateMipmap() GLES"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102804#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Unexpected incomplete framebuffer in _mesa_meta_GenerateMipmap() GLES"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102804">bug 102804</a>
from <span class="vcard"><a class="email" href="mailto:lemody@gmail.com" title="Tapani Pälli <lemody@gmail.com>"> <span class="fn">Tapani Pälli</span></a>
</span></b>
<pre>(In reply to Dorian Fevrier from <a href="show_bug.cgi?id=102804#c2">comment #2</a>)
<span class="quote">> Thanks, I will test that!
>
> First little thing, I realize I don't use our `OPENGL_CHECK_ERRORS` macro
> after `glGenerateMipmap()`. Maybe there is more infos in it.
>
> Second: Is not `glTexSubImage2D()` supposed to generate an error if
> `glTexImage2D()` hasn't been called before?
>
> <a href="http://docs.gl/es2/glTexSubImage2D#errors">http://docs.gl/es2/glTexSubImage2D#errors</a></span >
I did try this on my own test app and it does causes following error:
Mesa: User error: GL_INVALID_OPERATION in glTexSubImage2D(invalid texture level
0)</pre>
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