root: restructuring

Restructure the root of the project such that the engine is siloed from
the rest of the toolchain. Add two new subdirectories that contain an
editor and an offline profiling data analyzer.

Signed-off-by: Danny Holman <dholman@gymli.org>

1 files changed, 84 insertions, 0 deletions

diff --git a/engine/render/vulkan/fence.c b/engine/render/vulkan/fence.c
new file mode 100644
index 0000000..cee022e
--- /dev/null
+++ b/engine/render/vulkan/fence.c
@@ -0,0 +1,84 @@
+/*
+ * Rune Game Engine
+ * Copyright 2024 Danny Holman <dholman@gymli.org>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty.  In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#include "fence.h"
+#include "vkassert.h"
+#include <rune/core/logging.h>
+#include <rune/core/alloc.h>
+
+vkfence_t* create_vkfence(vkdev_t *dev, uint8_t signal) {
+        vkfence_t *ret = rune_alloc(sizeof(vkfence_t));
+        
+        VkFenceCreateInfo fcinfo;
+        fcinfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
+        fcinfo.pNext = NULL;
+        if (signal == 1)
+                fcinfo.flags = VK_FENCE_CREATE_SIGNALED_BIT;
+        else
+                fcinfo.flags = 0;
+        vkassert(vkCreateFence(dev->ldev, &fcinfo, NULL, &ret->handle));
+        return ret;
+}
+
+void destroy_vkfence(vkfence_t *fence, vkdev_t *dev) {
+        if (fence->handle != NULL) {
+                vkDestroyFence(dev->ldev, fence->handle, NULL);
+                fence->handle = NULL;
+        }
+        rune_free(fence);
+}
+
+int fence_lock(vkfence_t *fence, vkdev_t *dev, uint64_t timeout) {
+        if (fence->signal == 1)
+                return 0;
+        
+        VkResult res = vkWaitForFences(dev->ldev, 1, &fence->handle, VK_TRUE, timeout);
+        switch (res) {
+                case VK_SUCCESS:
+                        fence->signal = 1;
+                        return 0;
+                case VK_TIMEOUT:
+                        log_output(LOG_WARN, "Vulkan fence timed out");
+                        break;
+                case VK_ERROR_DEVICE_LOST:
+                        log_output(LOG_ERROR, "Lost access to host device");
+                        break;
+                case VK_ERROR_OUT_OF_HOST_MEMORY:
+                        log_output(LOG_ERROR, "Out of host memory");
+                        break;
+                case VK_ERROR_OUT_OF_DEVICE_MEMORY:
+                        log_output(LOG_ERROR, "Out of device memory");
+                        break;
+                default:
+                        log_output(LOG_ERROR, "Unknown error occurred on Vulkan fence");
+                        break;
+        }
+
+        return -1;
+}
+
+void fence_unlock(vkfence_t *fence, vkdev_t *dev) {
+        if (fence->signal == 0)
+                return;
+
+        vkassert(vkResetFences(dev->ldev, 1, &fence->handle));
+        fence->signal = 0;
+}