gallium: add timeout parameter to fence_finish

This is a follow-up to the ARB_sync patch for st/mesa and completes
the ARB_sync implementation.

2 files changed, 5 insertions, 1 deletions

diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index edbaaae334a..9350a755d73 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -426,6 +426,8 @@ enum pipe_transfer_usage {
 #define PIPE_SWIZZLE_ONE   5
 
 
+#define PIPE_TIMEOUT_INFINITE 0xffffffffffffffffull
+
 /**
  * Implementation capabilities/limits which are queried through
  * pipe_screen::get_param() and pipe_screen::get_paramf().
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 850eb84a3c8..8e77e77db39 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -193,11 +193,13 @@ struct pipe_screen {
    /**
     * Wait for the fence to finish.
     * \param flags  driver-specific meaning
+    * \param timeout  in nanoseconds
     * \return zero on success.
     */
    int (*fence_finish)( struct pipe_screen *screen,
                         struct pipe_fence_handle *fence,
-                        unsigned flags );
+                        unsigned flags,
+                        uint64_t timeout );
 
 };