sync API, not impl

include/gryphn/gryphn.h

@@ -17,3 +17,5 @@
 #include <core/command/command_buffer/gryphn_command_buffer.h>
 #include <core/command/commands/gryphn_command.h>
 #include <core/renderpass/gryphn_render_pass.h>
+#include <core/sync/semaphore/gryphn_semaphore.h>
+#include <core/sync/fence/gryphn_fence.h>

src/core/sync/fence/gryphn_fence.h

@@ -0,0 +1,13 @@
+#pragma once
+#include "core/output_device/gryphn_output_device.h"
+
+
+typedef struct gnFence_t {
+    struct gnPlatformFence_t* fence;
+} gnFence;
+
+gnReturnCode gnCreateFence(struct gnFence_t* fence, struct gnOutputDevice_t* device);
+void gnSignalFence(struct gnFence_t* fence);
+void gnWaitForFence(struct gnFence_t* fence, uint64_t timeout);
+void gnResetFence(struct gnFence_t* fence);
+void gnDestroyFence(struct gnFence_t* fence);

src/core/sync/semaphore/gryphn_semaphore.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "core/output_device/gryphn_output_device.h"
+
+typedef struct gnSemaphore_t {
+    struct gnPlatformSemaphore_t* semaphore;
+} gnSemaphore;
+
+gnReturnCode gnCreateSemaphore(struct gnSemaphore_t* semaphore, struct gnOutputDevice_t* device);
+void gnDestroySemaphore(struct gnSemaphore_t* semaphore);