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#include "queue_context.hh"
namespace low_latency {
static VkCommandPool make_command_pool(const VkDevice& device,
const std::uint32_t& queue_family_index,
const VkuDeviceDispatchTable& vtable) {
const auto cpci = VkCommandPoolCreateInfo{
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.flags = VK_COMMAND_POOL_CREATE_TRANSIENT_BIT |
VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
.queueFamilyIndex = queue_family_index,
};
auto command_pool = VkCommandPool{};
vtable.CreateCommandPool(device, &cpci, nullptr, &command_pool);
return command_pool;
}
QueueContext::QueueContext(const VkDevice& device, const VkQueue queue,
const std::uint32_t& queue_family_index,
const VkuDeviceDispatchTable& vtable)
: device(device), queue(queue), queue_family_index(queue_family_index),
vtable(vtable),
// Important we make the command pool before the timestamp pool, because it's a dependency.
command_pool(make_command_pool(device, queue_family_index, vtable)),
timestamp_pool(device, vtable, command_pool) {
this->semaphore = [&]() -> VkSemaphore {
const auto stci = VkSemaphoreTypeCreateInfo{
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO,
.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE,
.initialValue = 0,
};
const auto sci = VkSemaphoreCreateInfo{
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
.pNext = &stci,
};
auto semaphore = VkSemaphore{};
vtable.CreateSemaphore(device, &sci, nullptr, &semaphore);
return semaphore;
}();
}
QueueContext::~QueueContext() {
}
} // namespace low_latency
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