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st/mesh: handle mesh shader point size

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This sets the per-vertex point size state correctly in the presence of mesh shaders.

(fixes line is just a educated pick)

Fixes: 51d6e4404a ("mesa: allow NULL for vertex shader when mesh pipeline")
Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40475>
This commit is contained in:
Dave Airlie 2026-03-17 16:04:32 +10:00 • committed by Marge Bot
parent a2b0dd80f3
commit 5bfaf7536a
1 changed files with 8 additions and 0 deletions
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8
src/mesa/state_tracker/st_util.h
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@ -104,6 +104,14 @@ st_point_size_per_vertex(struct gl_context *ctx)
VARYING_BIT_PSIZ);
}
}
const struct gl_program *meshProg = ctx->MeshProgram._Current;
if (meshProg) {
if (meshProg->info.outputs_written &
VARYING_BIT_PSIZ) {
/* generated program which emits point size */
return true;
}
}
return false;
}