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Aras Pranckevicius wrote:
>> By the way, it would be useful to get some examples of your shaders as
>> shader_runner tests in piglit. That makes them easy to analyze for
>> optimization opportunities, and they serve as regression tests to make
>> sur
On Fri, 6 Aug 2010 09:46:17 +0200, Aras Pranckevicius wrote:
> > Pushed a change that cleans up the shader you pasted. Mostly. There's
> > still some junk in it that we could do better at. Results below.
>
> Very nice, thanks!
>
>
> > By the way, it would be useful to get some examples of yo
> Pushed a change that cleans up the shader you pasted. Mostly. There's
> still some junk in it that we could do better at. Results below.
Very nice, thanks!
> By the way, it would be useful to get some examples of your shaders as
> shader_runner tests in piglit. That makes them easy to anal
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Aras Pranckevicius wrote:
>> We'll have similar issue with code like:
>> uniform vec4 angles;
>> void main() {
>> vec4 v;
>> v.x = sin(angles.x);
>> v.y = cos(angles.y);
>> v.z = tan(angles.z);
>> v.w = 1/tan(angles.w);
>> gl_Position = v.
On Thu, 5 Aug 2010 13:33:50 +0200, Aras Pranckevicius wrote:
> > I believe the plan is to eventually break structures and arrays that are
> > not variably indexed into individual variables. Your structure above
> > would be broken into s_used and s_unused. The existing dead code paths
> > would
> I believe the plan is to eventually break structures and arrays that are
> not variably indexed into individual variables. Your structure above
> would be broken into s_used and s_unused. The existing dead code paths
> would take care of s_unused. We'll need to do this break-up anyway to
> do
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Aras Pranckevicius wrote:
> Hi,
>
> Currently GLSL2 optimizer can't remove assignments to struct members
> that are never used. After inlining, the struct is often not passed to
> any other functions as a whole; and some assignments to the members
> m
Hi,
Currently GLSL2 optimizer can't remove assignments to struct members that
are never used. After inlining, the struct is often not passed to any other
functions as a whole; and some assignments to the members might be useless.
For example, in this fragment shader assignment to s.unused could be
