intel/rt: Add a pass to lower shader call instructions

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7356>

src/intel/compiler/brw_rt.h

@@ -31,6 +31,9 @@ extern "C" {
 /** Vulkan defines shaderGroupHandleSize = 32 */
 #define BRW_RT_SBT_HANDLE_SIZE 32
 
+/** Stride of the resume SBT */
+#define BRW_BTD_RESUME_SBT_STRIDE 8
+
 /* Vulkan always uses exactly two levels of BVH: world and object.  At the API
  * level, these are referred to as top and bottom.
  */