[Mesa-dev] [Bug 80183] [llvmpipe] triangles with vertices that map to raster positions > viewport width/height are not displayed

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jul 10 07:52:34 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=80183

--- Comment #3 from Brian Paul <brianp at vmware.com> ---
(In reply to comment #2)
> I found out that the problem is the line:
> 
> gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;
> 
> in the fragment shader. If I remove that line, it works as expected.
> 
> Since the rendering is ok on ATI/NVidia and on softpipe, I suspect that
> gl_ClipVertex support is broken in LLVM pipe.

Are you sure you're seeing that in the fragment shader?  Vertex-related code
like that would normally be seen in the vertex shader.

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