ir3: Only run 16bit tex NIR passes on a5xx+.

16bit types aren't yet supported on older hardware.

Signed-off-by: Georg Lehmann <dadschoorse@gmail.com>
Reviewed-by: Emma Anholt <emma@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16978>

diff --git a/src/freedreno/ir3/ir3_nir.c b/src/freedreno/ir3/ir3_nir.c
index 0b0cc73..d9a20bc 100644 (file)
--- a/src/freedreno/ir3/ir3_nir.c
+++ b/src/freedreno/ir3/ir3_nir.c
@@ -765,7 +765,7 @@ ir3_nir_lower_variant(struct ir3_shader_variant *so, nir_shader *s)
    bool more_late_algebraic = true;
    while (more_late_algebraic) {
       more_late_algebraic = OPT(s, nir_opt_algebraic_late);
-      if (!more_late_algebraic) {
+      if (!more_late_algebraic && so->compiler->gen >= 5) {
          /* Lowers texture operations that have only f2f16 or u2u16 called on
           * them to have a 16-bit destination.  Also, lower 16-bit texture
           * coordinates that had been upconverted to 32-bits just for the