[Mesa-dev] [PATCH 1/9] glsl: Allow built-in functions as constant expressions in OpenGL ES 1.00
mattst88 at gmail.com
Fri Oct 9 19:01:15 PDT 2015
On Fri, Oct 9, 2015 at 6:52 PM, Ian Romanick <idr at freedesktop.org> wrote:
> From: Ian Romanick <ian.d.romanick at intel.com>
> In d4a24745 (August 2012), Paul made functions calls not be constant
> expressions in GLSL ES 1.00. Since this feature was added in desktop
> GLSL 1.20, we believed that it was added in GLSL ES 3.00. That turns
> out to be completely wrong. Built-in functions have always been allowed
> as constant expressions in GLSL ES, and the patch adds the (many) spec
> quotations to prove it.
> While we never previously encountered this, a later patch enfoces a GLSL
> ES 1.00 rule that global variable initializers must be constant
> expressions. Without this fix, severl dEQP tests fail.
Reviewed-by: Matt Turner <mattst88 at gmail.com>
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