adding software computer base

Sources/Backends/Software/SoftFence.h

@@ -0,0 +1,29 @@
+// Copyright (C) 2025 kanel
+// This file is part of "Pulse"
+// For conditions of distribution and use, see copyright notice in LICENSE
+
+#include <Pulse.h>
+
+#ifdef PULSE_ENABLE_SOFTWARE_BACKEND
+
+#ifndef PULSE_SOFTWARE_FENCE_H_
+#define PULSE_SOFTWARE_FENCE_H_
+
+#include <stdatomic.h>
+
+#include <Pulse.h>
+#include "Soft.h"
+
+typedef struct SoftFence
+{
+	atomic_bool signal;
+} SoftFence;
+
+PulseFence SoftCreateFence(PulseDevice device);
+void SoftDestroyFence(PulseDevice device, PulseFence fence);
+bool SoftIsFenceReady(PulseDevice device, PulseFence fence);
+bool SoftWaitForFences(PulseDevice device, const PulseFence* fences, uint32_t fences_count, bool wait_for_all);
+
+#endif // PULSE_SOFTWARE_FENCE_H_
+
+#endif // PULSE_ENABLE_SOFTWARE_BACKEND