Merge commit 'a2059eea4ad3021eb6a90959eea1edddc57e249d' as 'external/parallel-rdp/parallel-rdp-standalone'

external/parallel-rdp/parallel-rdp-standalone/vulkan/fence_manager.cpp

@@ -0,0 +1,61 @@
+/* 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.
+ */
+
+#include "fence_manager.hpp"
+#include "device.hpp"
+
+namespace Vulkan
+{
+void FenceManager::init(Device *device_)
+{
+	device = device_;
+	table = &device->get_device_table();
+}
+
+VkFence FenceManager::request_cleared_fence()
+{
+	if (!fences.empty())
+	{
+		auto ret = fences.back();
+		fences.pop_back();
+		return ret;
+	}
+	else
+	{
+		VkFence fence;
+		VkFenceCreateInfo info = { VK_STRUCTURE_TYPE_FENCE_CREATE_INFO };
+		table->vkCreateFence(device->get_device(), &info, nullptr, &fence);
+		return fence;
+	}
+}
+
+void FenceManager::recycle_fence(VkFence fence)
+{
+	fences.push_back(fence);
+}
+
+FenceManager::~FenceManager()
+{
+	for (auto &fence : fences)
+		table->vkDestroyFence(device->get_device(), fence, nullptr);
+}
+}