anv/meta: Move blit code to anv_meta_blit.c

The clear code lived in anv_meta_clear.c. The resolve code in
anv_meta_resolve.c. Only the blit code lived in anv_meta.c, alongside
the shareed meta code.

This is just a copy-paste patch. No change in behavior.

src/vulkan/Makefile.am

@@ -82,6 +82,7 @@ VULKAN_SOURCES =                                        \
 	anv_image.c                                     \
 	anv_intel.c                                     \
 	anv_meta.c                                      \
+	anv_meta_blit.c                                 \
 	anv_meta_clear.c                                \
 	anv_meta_resolve.c                              \
 	anv_nir_apply_dynamic_offsets.c                 \

src/vulkan/anv_meta.h

@@ -50,6 +50,9 @@ void anv_device_finish_meta_clear_state(struct anv_device *device);
 VkResult anv_device_init_meta_resolve_state(struct anv_device *device);
 void anv_device_finish_meta_resolve_state(struct anv_device *device);
 
+VkResult anv_device_init_meta_blit_state(struct anv_device *device);
+void anv_device_finish_meta_blit_state(struct anv_device *device);
+
 void
 anv_meta_save(struct anv_meta_saved_state *state,
               const struct anv_cmd_buffer *cmd_buffer,