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8bbda3dedb
- Queueing commands on the offloader is a good idea but unfortunately page faults can still happen causing a cyclic dependency and eventual deadlock. Characterized by a vk::wait_for_event timed out error accompanied by severe hitching. - Drain the fault-able commands before pushing a submit operation to the queue. If a fault is in progress, bypass the queue system and submit raw. Technically this is incorrect but there isn't much that can be done about it right now.
37 lines
756 B
C++
37 lines
756 B
C++
#include "stdafx.h"
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#include "VKCommandStream.h"
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namespace vk
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{
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// global submit guard to prevent race condition on queue submit
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shared_mutex g_submit_mutex;
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void acquire_global_submit_lock()
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{
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g_submit_mutex.lock();
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}
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void release_global_submit_lock()
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{
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g_submit_mutex.unlock();
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}
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void queue_submit(VkQueue queue, const VkSubmitInfo* info, fence* pfence, VkBool32 flush)
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{
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if (!flush && g_cfg.video.multithreaded_rsx)
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{
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auto packet = new submit_packet(queue, pfence, info);
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rsx::g_dma_manager.backend_ctrl(rctrl_queue_submit, packet);
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}
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else
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{
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acquire_global_submit_lock();
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vkQueueSubmit(queue, 1, info, pfence->handle);
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release_global_submit_lock();
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// Signal fence
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pfence->signal_flushed();
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}
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}
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}
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