a4c6712a4b
- Removes a dependency on core and input_common from common.
56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <atomic>
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#include <chrono>
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#include "common/settings.h"
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#include "video_core/renderer_vulkan/vk_master_semaphore.h"
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#include "video_core/vulkan_common/vulkan_device.h"
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#include "video_core/vulkan_common/vulkan_wrapper.h"
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namespace Vulkan {
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using namespace std::chrono_literals;
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MasterSemaphore::MasterSemaphore(const Device& device) {
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static constexpr VkSemaphoreTypeCreateInfoKHR semaphore_type_ci{
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO_KHR,
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.pNext = nullptr,
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.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE_KHR,
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.initialValue = 0,
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};
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static constexpr VkSemaphoreCreateInfo semaphore_ci{
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.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO,
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.pNext = &semaphore_type_ci,
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.flags = 0,
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};
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semaphore = device.GetLogical().CreateSemaphore(semaphore_ci);
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if (!Settings::values.renderer_debug) {
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return;
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}
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// Validation layers have a bug where they fail to track resource usage when using timeline
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// semaphores and synchronizing with GetSemaphoreCounterValueKHR. To workaround this issue, have
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// a separate thread waiting for each timeline semaphore value.
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debug_thread = std::thread([this] {
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u64 counter = 0;
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while (!shutdown) {
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if (semaphore.Wait(counter, 10'000'000)) {
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++counter;
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}
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}
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});
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}
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MasterSemaphore::~MasterSemaphore() {
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shutdown = true;
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// This thread might not be started
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if (debug_thread.joinable()) {
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debug_thread.join();
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}
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}
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} // namespace Vulkan
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