Yes. You are right, either “precision mediump float;" or “highp” will be OK. But you can’t leave it as unknown precision qualifer.
From: Petri Latvala [mailto:petri.latv...@intel.com] Sent: 2014年4月9日 15:49 To: piglit@lists.freedesktop.org Cc: Ken Phillis Jr; Jin Zhou; Guo, Johney Subject: Re: [Piglit] [PATCH] ES spec section 4.5.4 ("Default precision qualifier") : The fragment language has no default precision qualifier for floating point types. Hence for float, floating point vector and matrix variable declarations, either the declarat... On 04/09/2014 12:27 AM, Ken Phillis Jr wrote: The patch looks good, but I would suggest improving commit message... for example... Title (line 1): GLSL ES fix default precision qualifiers The OpenGl ES specification for (whatever the version is being checked against) section 4.5.4 ("Default precision qualifier") : The fragment language has no default precision qualifier for floating point types. Hence for float, floating point vector and matrix variable declarations, either the declaration must include a precision qualifier or the default float precision must have been previously declared. I'm not sure I understand what this patch fixes. I thought the "precision mediump float;" declaration that is present in all those tests is enough. -- Petri Latvala
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