1 files changed, 48 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_fence.h b/src/gallium/drivers/nvc0/nvc0_fence.h
new file mode 100644
index 0000000000..e63c164bda
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_fence.h
@@ -0,0 +1,48 @@
+
+#ifndef __NVC0_FENCE_H__
+#define __NVC0_FENCE_H__
+
+#include "util/u_inlines.h"
+#include "util/u_double_list.h"
+
+#define NVC0_FENCE_STATE_AVAILABLE 0
+#define NVC0_FENCE_STATE_EMITTED   1
+#define NVC0_FENCE_STATE_SIGNALLED 2
+
+struct nvc0_mm_allocation;
+
+struct nvc0_fence {
+   struct nvc0_fence *next;
+   struct nvc0_screen *screen;
+   int state;
+   int ref;
+   uint32_t sequence;
+   struct nvc0_mm_allocation *buffers;
+};
+
+void nvc0_fence_emit(struct nvc0_fence *);
+void nvc0_fence_del(struct nvc0_fence *);
+
+boolean nvc0_fence_wait(struct nvc0_fence *);
+boolean nvc0_fence_signalled(struct nvc0_fence *);
+
+static INLINE void
+nvc0_fence_reference(struct nvc0_fence **ref, struct nvc0_fence *fence)
+{
+   if (*ref) {
+      if (--(*ref)->ref == 0)
+         nvc0_fence_del(*ref);
+   }
+   if (fence)
+      ++fence->ref;
+
+   *ref = fence;
+}
+
+static INLINE struct nvc0_fence *
+nvc0_fence(struct pipe_fence_handle *fence)
+{
+   return (struct nvc0_fence *)fence;
+}
+
+#endif // __NVC0_FENCE_H__