diff --git a/src/vulkan/runtime/vk_acceleration_structure.c b/src/vulkan/runtime/vk_acceleration_structure.c
index f46851363b5..aaa6e210e44 100644
--- a/src/vulkan/runtime/vk_acceleration_structure.c
+++ b/src/vulkan/runtime/vk_acceleration_structure.c
@@ -452,6 +452,7 @@ vk_fill_geometry_data(VkAccelerationStructureTypeKHR type, uint32_t first_id, ui
 
 void
 vk_accel_struct_cmd_begin_debug_marker(VkCommandBuffer commandBuffer,
+                                       enum vk_acceleration_structure_build_step step,
                                        const char *format, ...)
 {
    VK_FROM_HANDLE(vk_command_buffer, cmd_buffer, commandBuffer);
@@ -517,8 +518,11 @@ build_leaves(VkCommandBuffer commandBuffer,
    if (result != VK_SUCCESS)
       return result;
 
-   if (args->emit_markers)
-      device->as_build_ops->begin_debug_marker(commandBuffer, "build_leaves");
+   if (args->emit_markers) {
+      device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_BUILD_LEAVES,
+                                               "build_leaves");
+   }
 
    const struct vk_device_dispatch_table *disp = &device->dispatch_table;
    disp->CmdBindPipeline(
@@ -576,8 +580,11 @@ morton_generate(VkCommandBuffer commandBuffer, struct vk_device *device,
    if (result != VK_SUCCESS)
       return result;
 
-   if (args->emit_markers)
-      device->as_build_ops->begin_debug_marker(commandBuffer, "morton_generate");
+   if (args->emit_markers) {
+      device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_GENERATE,
+                                               "morton_generate");
+   }
 
    const struct vk_device_dispatch_table *disp = &device->dispatch_table;
    disp->CmdBindPipeline(
@@ -611,8 +618,11 @@ morton_sort(VkCommandBuffer commandBuffer, struct vk_device *device,
 {
    const struct vk_device_dispatch_table *disp = &device->dispatch_table;
 
-   if (args->emit_markers)
-      device->as_build_ops->begin_debug_marker(commandBuffer, "morton_sort");
+   if (args->emit_markers) {
+      device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_SORT,
+                                               "morton_sort");
+   }
 
    /* Copyright 2019 The Fuchsia Authors. */
    const radix_sort_vk_t *rs = args->radix_sort;
@@ -856,8 +866,11 @@ lbvh_build_internal(VkCommandBuffer commandBuffer,
    if (result != VK_SUCCESS)
       return result;
 
-   if (args->emit_markers)
-      device->as_build_ops->begin_debug_marker(commandBuffer, "lbvh_build_internal");
+   if (args->emit_markers) {
+      device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_LBVH_BUILD_INTERNAL,
+                                               "lbvh_build_internal");
+   }
 
    const struct vk_device_dispatch_table *disp = &device->dispatch_table;
    disp->CmdBindPipeline(
@@ -937,8 +950,11 @@ ploc_build_internal(VkCommandBuffer commandBuffer,
    if (result != VK_SUCCESS)
       return result;
 
-   if (args->emit_markers)
-      device->as_build_ops->begin_debug_marker(commandBuffer, "ploc_build_internal");
+   if (args->emit_markers) {
+      device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_PLOC_BUILD_INTERNAL,
+                                               "ploc_build_internal");
+   }
 
    const struct vk_device_dispatch_table *disp = &device->dispatch_table;
    disp->CmdBindPipeline(
@@ -992,6 +1008,7 @@ vk_cmd_build_acceleration_structures(VkCommandBuffer commandBuffer,
 
    if (args->emit_markers) {
       device->as_build_ops->begin_debug_marker(commandBuffer,
+                                               VK_ACCELERATION_STRUCTURE_BUILD_STEP_TOP,
                                                "vkCmdBuildAccelerationStructuresKHR(%u)",
                                                infoCount);
    }
diff --git a/src/vulkan/runtime/vk_acceleration_structure.h b/src/vulkan/runtime/vk_acceleration_structure.h
index c24f25d9dfa..3ac9e90dd96 100644
--- a/src/vulkan/runtime/vk_acceleration_structure.h
+++ b/src/vulkan/runtime/vk_acceleration_structure.h
@@ -32,6 +32,15 @@
 extern "C" {
 #endif
 
+enum vk_acceleration_structure_build_step {
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_TOP,
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_BUILD_LEAVES,
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_GENERATE,
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_MORTON_SORT,
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_LBVH_BUILD_INTERNAL,
+   VK_ACCELERATION_STRUCTURE_BUILD_STEP_PLOC_BUILD_INTERNAL,
+};
+
 struct vk_acceleration_structure {
    struct vk_object_base base;
 
@@ -49,7 +58,9 @@ VK_DEFINE_NONDISP_HANDLE_CASTS(vk_acceleration_structure, base, VkAccelerationSt
 #define MAX_UPDATE_PASSES 2
 
 struct vk_acceleration_structure_build_ops {
-   void (*begin_debug_marker)(VkCommandBuffer commandBuffer, const char *format, ...);
+   void (*begin_debug_marker)(VkCommandBuffer commandBuffer,
+                              enum vk_acceleration_structure_build_step step,
+                              const char *format, ...);
    void (*end_debug_marker)(VkCommandBuffer commandBuffer);
    VkDeviceSize (*get_as_size)(VkDevice device,
                                const VkAccelerationStructureBuildGeometryInfoKHR *pBuildInfo,
@@ -128,6 +139,7 @@ vk_fill_geometry_data(VkAccelerationStructureTypeKHR type, uint32_t first_id, ui
                       const VkAccelerationStructureBuildRangeInfoKHR *build_range_info);
 
 void vk_accel_struct_cmd_begin_debug_marker(VkCommandBuffer commandBuffer,
+                                            enum vk_acceleration_structure_build_step step,
                                             const char *format, ...);
 
 void vk_accel_struct_cmd_end_debug_marker(VkCommandBuffer commandBuffer);