Fuck git

external/parallel-rdp/parallel-rdp-standalone/vulkan/fence.hpp

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+/* Copyright (c) 2017-2023 Hans-Kristian Arntzen
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include "vulkan_common.hpp"
+#include "vulkan_headers.hpp"
+#include "object_pool.hpp"
+#include "cookie.hpp"
+#include <mutex>
+
+namespace Vulkan
+{
+class Device;
+
+class FenceHolder;
+struct FenceHolderDeleter
+{
+	void operator()(FenceHolder *fence);
+};
+
+class FenceHolder : public Util::IntrusivePtrEnabled<FenceHolder, FenceHolderDeleter, HandleCounter>, public InternalSyncEnabled
+{
+public:
+	friend struct FenceHolderDeleter;
+	friend class WSI;
+
+	~FenceHolder();
+	void wait();
+	bool wait_timeout(uint64_t nsec);
+
+private:
+	friend class Util::ObjectPool<FenceHolder>;
+	FenceHolder(Device *device_, VkFence fence_)
+		: device(device_),
+		  fence(fence_),
+		  timeline_semaphore(VK_NULL_HANDLE),
+		  timeline_value(0)
+	{
+	}
+
+	FenceHolder(Device *device_, uint64_t value, VkSemaphore timeline_semaphore_)
+		: device(device_),
+		  fence(VK_NULL_HANDLE),
+		  timeline_semaphore(timeline_semaphore_),
+		  timeline_value(value)
+	{
+		VK_ASSERT(value > 0);
+	}
+
+	const VkFence &get_fence() const;
+
+	Device *device;
+	VkFence fence;
+	VkSemaphore timeline_semaphore;
+	uint64_t timeline_value;
+	bool observed_wait = false;
+	std::mutex lock;
+};
+
+using Fence = Util::IntrusivePtr<FenceHolder>;
+}