forked from suyu/suyu
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright 2020 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <atomic>
|
|
#include <chrono>
|
|
|
|
#include "common/settings.h"
|
|
#include "video_core/renderer_vulkan/vk_master_semaphore.h"
|
|
#include "video_core/vulkan_common/vulkan_device.h"
|
|
#include "video_core/vulkan_common/vulkan_wrapper.h"
|
|
|
|
namespace Vulkan {
|
|
|
|
using namespace std::chrono_literals;
|
|
|
|
MasterSemaphore::MasterSemaphore(const Device& device) {
|
|
static constexpr VkSemaphoreTypeCreateInfoKHR semaphore_type_ci{
|
|
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO_KHR,
|
|
.pNext = nullptr,
|
|
.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE_KHR,
|
|
.initialValue = 0,
|
|
};
|
|
static constexpr VkSemaphoreCreateInfo semaphore_ci{
|
|
.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
|
|
.pNext = &semaphore_type_ci,
|
|
.flags = 0,
|
|
};
|
|
semaphore = device.GetLogical().CreateSemaphore(semaphore_ci);
|
|
|
|
if (!Settings::values.renderer_debug) {
|
|
return;
|
|
}
|
|
// Validation layers have a bug where they fail to track resource usage when using timeline
|
|
// semaphores and synchronizing with GetSemaphoreCounterValueKHR. To workaround this issue, have
|
|
// a separate thread waiting for each timeline semaphore value.
|
|
debug_thread = std::thread([this] {
|
|
u64 counter = 0;
|
|
while (!shutdown) {
|
|
if (semaphore.Wait(counter, 10'000'000)) {
|
|
++counter;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
MasterSemaphore::~MasterSemaphore() {
|
|
shutdown = true;
|
|
|
|
// This thread might not be started
|
|
if (debug_thread.joinable()) {
|
|
debug_thread.join();
|
|
}
|
|
}
|
|
|
|
} // namespace Vulkan
|