llvmpipe: enable lower device id to zero

this is to support vulkan device group

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Reviweed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8154>

diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index a76aa8d..69b35b8 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -581,6 +581,7 @@ static const struct nir_shader_compiler_options gallivm_nir_options = {
    .lower_cs_local_index_from_id = true,
    .lower_uniforms_to_ubo = true,
    .lower_vector_cmp = true,
+   .lower_device_index_to_zero = true,
 };
 
 static void