anv: enable application shader printfs with debug option

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38638>

src/intel/vulkan/anv_shader_compile.c

@@ -167,6 +167,8 @@ anv_shader_get_spirv_options(struct vk_physical_device *device,
       .phys_ssbo_addr_format = nir_address_format_64bit_global,
       .push_const_addr_format = nir_address_format_logical,
 
+      .printf = INTEL_DEBUG(DEBUG_SHADER_PRINT),
+
       /* TODO: Consider changing this to an address format that has the NULL
        * pointer equals to 0.  That might be a better format to play nice
        * with certain code / code generators.
@@ -215,6 +217,14 @@ anv_shader_preprocess_nir(struct vk_physical_device *device,
    NIR_PASS(_, nir, nir_opt_barrier_modes);
    NIR_PASS(_, nir, nir_opt_acquire_release_barriers, SCOPE_QUEUE_FAMILY);
 
+   if (INTEL_DEBUG(DEBUG_SHADER_PRINT)) {
+      const nir_lower_printf_options printf_opts = {
+         .ptr_bit_size = 64,
+         .hash_format_strings = true,
+      };
+      NIR_PASS(_, nir, nir_lower_printf, &printf_opts);
+   }
+
    nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));
 }