2 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_fence.c b/src/gallium/drivers/llvmpipe/lp_fence.c
index 525c117f316..00dc3eab6b1 100644
--- a/src/gallium/drivers/llvmpipe/lp_fence.c
+++ b/src/gallium/drivers/llvmpipe/lp_fence.c
@@ -29,6 +29,7 @@
 #include "pipe/p_screen.h"
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
+#include "lp_debug.h"
 #include "lp_fence.h"
 
 
@@ -99,6 +100,21 @@ llvmpipe_fence_finish(struct pipe_screen *screen,
 }
 
 
+void
+lp_fence_signal(struct lp_fence *fence)
+{
+   pipe_mutex_lock(fence->mutex);
+
+   fence->count++;
+   assert(fence->count <= fence->rank);
+
+   LP_DBG(DEBUG_RAST, "%s count=%u rank=%u\n", __FUNCTION__,
+          fence->count, fence->rank);
+
+   pipe_condvar_signal(fence->signalled);
+
+   pipe_mutex_unlock(fence->mutex);
+}
 
 
 void
diff --git a/src/gallium/drivers/llvmpipe/lp_fence.h b/src/gallium/drivers/llvmpipe/lp_fence.h
index c90e6de423b..d9270f5784a 100644
--- a/src/gallium/drivers/llvmpipe/lp_fence.h
+++ b/src/gallium/drivers/llvmpipe/lp_fence.h
@@ -54,6 +54,10 @@ lp_fence_create(unsigned rank);
 
 
 void
+lp_fence_signal(struct lp_fence *fence);
+
+
+void
 llvmpipe_init_screen_fence_funcs(struct pipe_screen *screen);