Method ReplayRecord

layers/sync/sync_op.cpp:531–563

}

void SyncOpPipelineBarrier::ReplayRecord(CommandExecutionContext& exec_context, const ResourceUsageTag exec_tag) const {
    const bool has_buffer_barriers = !barrier_set_.buffer_barriers.empty();
    const bool has_image_barriers = !barrier_set_.image_barriers.empty();

    const bool single_buffer_barrier = barrier_set_.buffer_barriers.size() == 1 &&
                                       barrier_set_.memory_barriers.size() == 1 &&  // buffer barrier exec dependency
                                       !has_image_barriers;

    const bool single_image_barrier = barrier_set_.image_barriers.size() == 1 &&
                                      barrier_set_.memory_barriers.size() == 1 &&  // image barrier exec dependency
                                      !has_buffer_barriers;

    const bool single_memory_barrier = barrier_set_.memory_barriers.size() == 1 && !has_buffer_barriers && !has_image_barriers;

    if (single_buffer_barrier) {
        ApplySingleBufferBarrier(exec_context, barrier_set_.buffer_barriers[0], barrier_set_.memory_barriers[0]);
    } else if (single_image_barrier) {
        ApplySingleImageBarrier(exec_context, barrier_set_.image_barriers[0], barrier_set_.memory_barriers[0], exec_tag);
    } else if (single_memory_barrier) {
        ApplySingleMemoryBarrier(exec_context, barrier_set_.memory_barriers[0]);
    } else {
        ApplyMultipleBarriers(exec_context, exec_tag);
    }

    SyncEventsContext& events_context = exec_context.GetEventsContext();
    if (barrier_set_.single_exec_scope) {
        events_context.ApplyBarrier(barrier_set_.src_exec_scope, barrier_set_.dst_exec_scope, exec_tag);
    } else {
        for (const auto& barrier : barrier_set_.memory_barriers) {
            events_context.ApplyBarrier(barrier.src_exec_scope, barrier.dst_exec_scope, exec_tag);
        }
    }
}

bool SyncOpPipelineBarrier::ReplayValidate(ReplayState& replay, ResourceUsageTag recorded_tag) const {
    // The layout transitions happen at the replay tag