gallium: extend pipe_context::flush for it to accept an END_OF_FRAME flag

Usage with pipe_context:
  pipe->flush(pipe, NULL, PIPE_FLUSH_END_OF_FRAME);

Usage with st_context_iface:
  st->flush(st, ST_FLUSH_END_OF_FRAME, NULL);

The flag is only a hint for drivers. Radeon will use it for buffer eviction
heuristics in the kernel (e.g. for queries like how many frames have passed
since a buffer was used).

The flag is currently only generated by st/dri on SwapBuffers.

Reviewed-by: Brian Paul <[email protected]>
Reviewed-by: Stéphane Marchesin <[email protected]>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c
index 0325b151f83..d0b67ef3a97 100644
--- a/src/gallium/drivers/identity/id_context.c
+++ b/src/gallium/drivers/identity/id_context.c
@@ -711,13 +711,13 @@ identity_clear_depth_stencil(struct pipe_context *_pipe,
 
 static void
 identity_flush(struct pipe_context *_pipe,
-               struct pipe_fence_handle **fence)
+               struct pipe_fence_handle **fence,
+               enum pipe_flush_flags flags)
 {
    struct identity_context *id_pipe = identity_context(_pipe);
    struct pipe_context *pipe = id_pipe->pipe;
 
-   pipe->flush(pipe,
-               fence);
+   pipe->flush(pipe, fence, flags);
 }
 
 static struct pipe_sampler_view *