uint32_tNvOFInstance::GetVkOFAQueue() {

uint32_t count =0;

m_vkGetPhysicalDeviceQueueFamilyProperties(m_vkPhysicalDevice, &count,nullptr);

VkQueueFamilyProperties* queueFamProps =(VkQueueFamilyProperties*)calloc(sizeof(VkQueueFamilyProperties),count);

m_vkGetPhysicalDeviceQueueFamilyProperties(m_vkPhysicalDevice, &count, queueFamProps);

auto queueFamProps =std::vector<VkQueueFamilyProperties>(count);

m_vkGetPhysicalDeviceQueueFamilyProperties(m_vkPhysicalDevice, &count, queueFamProps.data());

for (uint32_t i =0; i < count; i++) {

if (queueFamProps[i].queueFlags & VK_QUEUE_OPTICAL_FLOW_BIT_NV) {

free(queueFamProps);

return i;

}

}

free(queueFamProps);

return -1;

}

}

}

}

VkRect2D* regions =nullptr;

if (inParams->numRois) {

regions = (VkRect2D*)calloc(sizeof(VkRect2D), inParams->numRois);

for (uint32_t i =0; i < inParams->numRois; i++) {

regions[i].offset.x = inParams->roiData[i].start_x;

regions[i].offset.y = inParams->roiData[i].start_y;

regions[i].extent.width = inParams->roiData[i].width;

regions[i].extent.height = inParams->roiData[i].height;

}

auto regions = std::vector<VkRect2D>(inParams->numRois);

for (uint32_t i =0; i < inParams->numRois; i++) {

regions[i].offset.x = inParams->roiData[i].start_x;

regions[i].offset.y = inParams->roiData[i].start_y;

regions[i].extent.width = inParams->roiData[i].width;

regions[i].extent.height = inParams->roiData[i].height;

}

VkOpticalFlowExecuteInfoNV ofaExecuteInfo{};

ofaExecuteInfo.sType = VK_STRUCTURE_TYPE_OPTICAL_FLOW_EXECUTE_INFO_NV;

ofaExecuteInfo.regionCount = inParams->numRois;

ofaExecuteInfo.pRegions = regions;

ofaExecuteInfo.pRegions = regions.data();

if (inParams->disableTemporalHints) {

ofaExecuteInfo.flags |= VK_OPTICAL_FLOW_EXECUTE_DISABLE_TEMPORAL_HINTS_BIT_NV;

}

m_vkCmdOpticalFlowExecuteNV(cmdBuf, m_vkOfaSession, &ofaExecuteInfo);

free(regions);

}

}

" numWaitSync:", inParams->numWaitSyncs,

" pWaitSyncs:", inParams->pWaitSyncs));

VkSemaphoreSubmitInfo* waitSyncs =nullptr;

if (inParams->numWaitSyncs) {

waitSyncs = (VkSemaphoreSubmitInfo*)calloc(sizeof(VkSemaphoreSubmitInfo), inParams->numWaitSyncs);

for (uint32_t i =0; i < inParams->numWaitSyncs; i++) {

waitSyncs[i].sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO;

waitSyncs[i].semaphore = inParams->pWaitSyncs[i].semaphore;

waitSyncs[i].value = inParams->pWaitSyncs[i].value;

waitSyncs[i].stageMask = VK_PIPELINE_STAGE_2_OPTICAL_FLOW_BIT_NV;

}

auto waitSyncs = std::vector<VkSemaphoreSubmitInfo>(inParams->numWaitSyncs);

for (uint32_t i =0; i < inParams->numWaitSyncs; i++) {

waitSyncs[i].sType = VK_STRUCTURE_TYPE_SEMAPHORE_SUBMIT_INFO;

waitSyncs[i].semaphore = inParams->pWaitSyncs[i].semaphore;

waitSyncs[i].value = inParams->pWaitSyncs[i].value;

waitSyncs[i].stageMask = VK_PIPELINE_STAGE_2_OPTICAL_FLOW_BIT_NV;

}

VkSemaphoreSubmitInfo signalSync{};

VkSubmitInfo2 submit{};

submit.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO_2;

submit.waitSemaphoreInfoCount =inParams->numWaitSyncs;

submit.pWaitSemaphoreInfos = waitSyncs;

submit.waitSemaphoreInfoCount =waitSyncs.size();

submit.pWaitSemaphoreInfos = waitSyncs.data();

submit.commandBufferInfoCount =1;

submit.pCommandBufferInfos = &cmdbufInfo;

submit.signalSemaphoreInfoCount = (outParams->pSignalSync) ?1 :0;

submit.pSignalSemaphoreInfos = &signalSync;

m_vkQueueSubmit2(m_queue,1, &submit, VK_NULL_HANDLE);

free(waitSyncs);

m_cmdBufIndex++;

if (m_cmdBufIndex >= CMDS_IN_FLIGHT)

m_cmdBufIndex =0;