diff --git a/src/compiler/nir/nir_intrinsics.py b/src/compiler/nir/nir_intrinsics.py
index 303262137fa..0b830ccc466 100644
--- a/src/compiler/nir/nir_intrinsics.py
+++ b/src/compiler/nir/nir_intrinsics.py
@@ -1449,6 +1449,10 @@ intrinsic("load_fb_layers_v3d", dest_comp=1, flags=[CAN_ELIMINATE, CAN_REORDER])
 # Logical complement of load_front_face, mapping to an AGX system value
 system_value("back_face_agx", 1, bit_sizes=[1, 32])
 
+# Loads the texture descriptor base for indexed (non-bindless) textures. On G13,
+# the referenced array has stride 24.
+system_value("texture_base_agx", 1, bit_sizes=[64])
+
 # Intel-specific query for loading from the brw_image_param struct passed
 # into the shader as a uniform.  The variable is a deref to the image
 # variable. The const index specifies which of the six parameters to load.