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-rw-r--r--src/mesa/drivers/dri/i965/brw_nir.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_nir.c b/src/mesa/drivers/dri/i965/brw_nir.c
index f6bcd452656..55b16cf851b 100644
--- a/src/mesa/drivers/dri/i965/brw_nir.c
+++ b/src/mesa/drivers/dri/i965/brw_nir.c
@@ -596,6 +596,9 @@ brw_nir_apply_sampler_key(nir_shader *nir,
tex_options.swizzles[s][c] = GET_SWZ(key_tex->swizzles[s], c);
}
+ /* Prior to Haswell, we have to lower gradients on shadow samplers */
+ tex_options.lower_txd_shadow = devinfo->gen < 8 && !devinfo->is_haswell;
+
tex_options.lower_y_uv_external = key_tex->y_uv_image_mask;
tex_options.lower_y_u_v_external = key_tex->y_u_v_image_mask;
tex_options.lower_yx_xuxv_external = key_tex->yx_xuxv_image_mask;