On Thu, Mar 18, 2010 at 11:23 AM, Matteo Sisti Sette <span dir="ltr">&lt;<a href="mailto:matteosistisette@gmail.com">matteosistisette@gmail.com</a>&gt;</span> wrote:<div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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Does the OpenGL standard allow for some differencies between implementations in the way texture coordinates are treated, or is it safe to state that if the same patch with the same shaders gives different results (such as an image upside-down in either but not both) something is wrong in Gem?<div>
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<br></div></div></blockquote><div><br>OpenGL absolutely allows for platform specific behavior, and programmers have to account for those.  This includes writing different shaders for different platforms!<br></div></div><br>