[Mesa-dev] r600g: status of my work on the shader optimization

Vadim Girlin vadimgirlin at gmail.com
Sat Mar 2 12:14:54 PST 2013

On 03/02/2013 10:06 AM, Sebastien Caty wrote:
> On March 1, 2013 06:24:01 PM Matt Turner wrote:
>> On Fri, Mar 1, 2013 at 5:15 PM, Sebastien Caty <scaty at dcinformatique.com>
> wrote:
>>> Trying to dig more and found out which shader is causing trouble but I
>>> haven't found out how to run a specific test with piglit. Documentation
>>> isn't to friendly...Id appreciate some help with this.
>> If you click the test {pass,fail,crash} in the generated html summary
>> it will contain the command used to run the test.
> Doh! Thanks that will do. All the piglit regression I had found so far pass
> when I run them alone, one by one.
> Went back to Serious Sam 3 to isolate a shader that's causing problems. Found
> one, shader 35. I get several errors like this :
> error at : DOT4     __,    t113 at R14.x, t114F at R125.x
>    : expected operand value t113 at R14.x, gpr contains R11.x.3||FP at R14.x
> error at : DOT4     __,    t85 at R14.x, t86F at R124.x
>    : expected operand value t85 at R14.x, gpr contains R11.x.3||FP at R14.x
> error at : DOT4     __,    t87 at R13.y, t88F at R124.y
>    : expected operand value t87 at R13.y, gpr contains R12.x.5||FP at R13.y

I've pushed the fix for this issue.


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