On Tuesday, October 18, 2016 4:38:17 PM PDT Brian Paul wrote: > Hi Ken, > > I found that this patch causes a regression. There's a Windows medical > app which fails to link some shaders since this change. > > Basically, when the gl_Position VS input is declared as invariant the > linker fails with: > > error: declarations for uniform `gl_ModelViewProjectionMatrix' have > mismatching invariant qualifiers > > I haven't investigated how to fix this. I'm hoping you can see a simple > fix. > > The attached piglit shader_runner script demonstrates the issue. Passes > w/ NVIDIA. > > Thanks! > > -Brian
Oh, sorry about that! Here are two possible fixes: https://cgit.freedesktop.org/~kwg/mesa/commit/?h=invariant-fix https://cgit.freedesktop.org/~kwg/mesa/commit/?h=invariant-fix-2 They're both kind of hacks...but the whole invariant propagation pass is kind of a hack, and we've got some other hacks in place already. So...maybe best to pile another one on. Not sure which though. Maybe Jason or Curro will have an opinion... --Ken
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