[Mesa-dev] [PATCH] glsl: don't eliminate texcoords that can be set by GL_COORD_REPLACE

[Henri Verbeet]

On 18 August 2013 05:23, Ian Romanick <idr at freedesktop.org> wrote:
> Since this also fixes an application, do you have any idea what could be
> done to make a piglit test to reproduce the failure?  We have some folks
> writing piglit tests for us this summer, and this sounds like a good one for
> them. :)
>
The basic setup is to render point sprites with GL_COORD_REPLACE on,
and then read gl_TexCoord[] in the fragment shader, but don't write it
in the vertex shader.