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anv: Add host barrier while dumping out BVH data
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This patch adds compute_w_to_host_r barrier and also throw QueueWaitIdle
just to make sure all operations are completed before we fetch the BVH
data on the host.

Signed-off-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39079>
This commit is contained in:
Sagar Ghuge 2025-12-23 17:06:50 -08:00 • committed by Marge Bot
parent 7b74321640
commit d10d75bc93
1 changed files with 6 additions and 6 deletions
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12
src/intel/vulkan/genX_acceleration_structure.c
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@ -135,8 +135,14 @@ add_bvh_dump(struct anv_cmd_buffer *cmd_buffer,
struct anv_address dst_addr = { .bo = bvh_dump->bo, .offset = 0 };
struct anv_address src_addr = anv_address_from_u64(src);
vk_barrier_compute_w_to_compute_r(vk_command_buffer_to_handle(&cmd_buffer->vk));
anv_cmd_copy_addr(cmd_buffer, src_addr, dst_addr, bvh_dump->dump_size);
/* Add host barrier to read BVH data. */
vk_barrier_compute_w_to_host_r(vk_command_buffer_to_handle(&cmd_buffer->vk));
genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
pthread_mutex_lock(&device->mutex);
list_addtail(&bvh_dump->link, &device->bvh_dumps);
pthread_mutex_unlock(&device->mutex);
@ -485,12 +491,6 @@ anv_init_header(VkCommandBuffer commandBuffer, const struct vk_acceleration_stru
}
if (INTEL_DEBUG_BVH_ANY) {
genx_batch_emit_pipe_control(&cmd_buffer->batch, cmd_buffer->device->info,
cmd_buffer->state.current_pipeline,
ANV_PIPE_END_OF_PIPE_SYNC_BIT |
ANV_PIPE_DATA_CACHE_FLUSH_BIT |
ANV_PIPE_HDC_PIPELINE_FLUSH_BIT |
ANV_PIPE_UNTYPED_DATAPORT_CACHE_FLUSH_BIT);
debug_record_as_to_bvh_dump(cmd_buffer, header_addr, bvh_layout.size,
intermediate_header_addr, intermediate_bvh_addr,
state->leaf_node_count, geometry_type);