diff options
Diffstat (limited to '')
-rw-r--r-- | src/video_core/renderer_vulkan/vk_master_semaphore.cpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/vk_master_semaphore.cpp b/src/video_core/renderer_vulkan/vk_master_semaphore.cpp new file mode 100644 index 000000000..ae26e558d --- /dev/null +++ b/src/video_core/renderer_vulkan/vk_master_semaphore.cpp @@ -0,0 +1,56 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <atomic> +#include <chrono> + +#include "core/settings.h" +#include "video_core/renderer_vulkan/vk_device.h" +#include "video_core/renderer_vulkan/vk_master_semaphore.h" +#include "video_core/renderer_vulkan/wrapper.h" + +namespace Vulkan { + +using namespace std::chrono_literals; + +MasterSemaphore::MasterSemaphore(const VKDevice& 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 |