From 9c006d5dceac9bf885554d92f8cef8c0ab0858a1 Mon Sep 17 00:00:00 2001
From: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Date: Sun, 4 Feb 2024 12:55:29 -0400
Subject: [PATCH] nir/passthrough_gs: flesh out gs_in_prim

geometry shaders don't specify the input topology, only the class of topology.
normalize when generating a passthrough gs.

asahi will be more picky about this in the future.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Antonino Maniscalco <antonino.maniscalco@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27457>
---
 src/compiler/nir/nir_passthrough_gs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_passthrough_gs.c b/src/compiler/nir/nir_passthrough_gs.c
index d895d6c0f3e..04a3adae1b5 100644
--- a/src/compiler/nir/nir_passthrough_gs.c
+++ b/src/compiler/nir/nir_passthrough_gs.c
@@ -34,7 +34,7 @@ gs_in_prim_for_topology(enum mesa_prim prim)
    case MESA_PRIM_QUADS:
       return MESA_PRIM_LINES_ADJACENCY;
    default:
-      return prim;
+      return u_decomposed_prim(prim);
    }
 }