zink: Enable nir_lower_frexp.

This will enable GLSL to drop its frexp lowering in the frontend.

Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Acked-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22083>

diff --git a/src/gallium/drivers/zink/zink_compiler.c b/src/gallium/drivers/zink/zink_compiler.c
index ed6d7d3..eef9aa4 100644 (file)
--- a/src/gallium/drivers/zink/zink_compiler.c
+++ b/src/gallium/drivers/zink/zink_compiler.c
@@ -4729,6 +4729,7 @@ zink_shader_create(struct zink_screen *screen, struct nir_shader *nir,
    NIR_PASS_V(nir, lower_baseinstance);
    NIR_PASS_V(nir, lower_sparse);
    NIR_PASS_V(nir, split_bitfields);
+   NIR_PASS_V(nir, nir_lower_frexp); /* TODO: Use the spirv instructions for this. */
 
    if (screen->info.have_EXT_shader_demote_to_helper_invocation) {
       NIR_PASS_V(nir, nir_lower_discard_or_demote,