92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
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#include<hgl/graph/vulkan/VKSubmitQueue.h>
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#include<hgl/graph/vulkan/VKDevice.h>
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#include<hgl/graph/vulkan/VKSemaphore.h>
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VK_NAMESPACE_BEGIN
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namespace
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{
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const VkPipelineStageFlags pipe_stage_flags=VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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}//namespace
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SubmitQueue::SubmitQueue(Device *dev,VkQueue q,const uint32_t fence_count)
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{
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device=dev;
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queue=q;
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for(uint32_t i=0;i<fence_count;i++)
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fence_list.Add(device->CreateFence(false));
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current_fence=0;
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submit_info.pWaitDstStageMask = &pipe_stage_flags;
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}
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SubmitQueue::~SubmitQueue()
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{
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fence_list.Clear();
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}
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bool SubmitQueue::Wait(const bool wait_all,uint64_t time_out)
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{
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VkFence fence=*fence_list[current_fence];
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VkResult result;
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result=vkWaitForFences(device->GetDevice(),1,&fence,wait_all,time_out);
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result=vkResetFences(device->GetDevice(),1,&fence);
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if(++current_fence==fence_list.GetCount())
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current_fence=0;
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return(true);
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}
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bool SubmitQueue::Submit(const VkCommandBuffer *cmd_buf,const uint32_t cb_count,vulkan::Semaphore *wait_sem,vulkan::Semaphore *complete_sem)
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{
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VkSemaphore ws;
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VkSemaphore cs;
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if(wait_sem)
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{
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ws=*wait_sem;
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submit_info.waitSemaphoreCount =1;
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submit_info.pWaitSemaphores =&ws;
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}
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else
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{
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submit_info.waitSemaphoreCount =0;
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submit_info.pWaitSemaphores =nullptr;
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}
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if(complete_sem)
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{
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cs=*complete_sem;
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submit_info.signalSemaphoreCount=1;
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submit_info.pSignalSemaphores =&cs;
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}
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else
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{
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submit_info.signalSemaphoreCount=0;
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submit_info.pSignalSemaphores =nullptr;
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}
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submit_info.commandBufferCount =cb_count;
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submit_info.pCommandBuffers =cmd_buf;
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VkFence fence=*fence_list[current_fence];
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VkResult result=vkQueueSubmit(queue,1,&submit_info,fence);
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//不在这里立即等待fence完成，是因为有可能queue submit需要久一点工作时间，我们这个时间可以去干别的。等在AcquireNextImage时再去等待fence，而且是另一帧的fence。这样有利于异步处理
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return(result==VK_SUCCESS);
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}
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bool SubmitQueue::Submit(const VkCommandBuffer &cmd_buf,vulkan::Semaphore *wait_sem,vulkan::Semaphore *complete_sem)
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{
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return Submit(&cmd_buf,1,wait_sem,complete_sem);
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}
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VK_NAMESPACE_END
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