4 files changed, 28 insertions, 5 deletions

diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 84ed57f2df0..8e382e1e9a4 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -50,6 +50,7 @@ struct gl_shader_program;
 struct gl_texture_image;
 struct gl_texture_object;
 struct gl_memory_info;
+struct util_queue_monitoring;
 
 /* GL_ARB_vertex_buffer_object */
 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
@@ -1039,7 +1040,8 @@ struct dd_function_table {
     *
     * Mesa will only call this function if GL multithreading is enabled.
     */
-   void (*SetBackgroundContext)(struct gl_context *ctx);
+   void (*SetBackgroundContext)(struct gl_context *ctx,
+                                struct util_queue_monitoring *queue_info);
 
    /**
     * \name GL_ARB_sparse_buffer interface
diff --git a/src/mesa/main/glthread.c b/src/mesa/main/glthread.c
index d467298b639..c71c03778aa 100644
--- a/src/mesa/main/glthread.c
+++ b/src/mesa/main/glthread.c
@@ -36,6 +36,7 @@
 #include "main/glthread.h"
 #include "main/marshal.h"
 #include "main/marshal_generated.h"
+#include "util/u_atomic.h"
 #include "util/u_thread.h"
 
 
@@ -60,7 +61,7 @@ glthread_thread_initialization(void *job, int thread_index)
 {
    struct gl_context *ctx = (struct gl_context*)job;
 
-   ctx->Driver.SetBackgroundContext(ctx);
+   ctx->Driver.SetBackgroundContext(ctx, &ctx->GLThread->stats);
    _glapi_set_context(ctx);
 }
 
@@ -90,6 +91,7 @@ _mesa_glthread_init(struct gl_context *ctx)
       util_queue_fence_init(&glthread->batches[i].fence);
    }
 
+   glthread->stats.queue = &glthread->queue;
    ctx->CurrentClientDispatch = ctx->MarshalExec;
    ctx->GLThread = glthread;
 
@@ -159,6 +161,8 @@ _mesa_glthread_flush_batch(struct gl_context *ctx)
       return;
    }
 
+   p_atomic_add(&glthread->stats.num_offloaded_items, next->used);
+
    util_queue_add_job(&glthread->queue, next, &next->fence,
                       glthread_unmarshal_batch, NULL);
    glthread->last = glthread->next;
@@ -188,16 +192,29 @@ _mesa_glthread_finish(struct gl_context *ctx)
 
    struct glthread_batch *last = &glthread->batches[glthread->last];
    struct glthread_batch *next = &glthread->batches[glthread->next];
+   bool synced = false;
 
-   if (!util_queue_fence_is_signalled(&last->fence))
+   if (!util_queue_fence_is_signalled(&last->fence)) {
       util_queue_fence_wait(&last->fence);
+      synced = true;
+   }
 
    if (next->used) {
+      p_atomic_add(&glthread->stats.num_direct_items, next->used);
+
       /* Since glthread_unmarshal_batch changes the dispatch to direct,
        * restore it after it's done.
        */
       struct _glapi_table *dispatch = _glapi_get_dispatch();
       glthread_unmarshal_batch(next, 0);
       _glapi_set_dispatch(dispatch);
+
+      /* It's not a sync because we don't enqueue partial batches, but
+       * it would be a sync if we did. So count it anyway.
+       */
+      synced = true;
    }
+
+   if (synced)
+      p_atomic_inc(&glthread->stats.num_syncs);
 }
diff --git a/src/mesa/main/glthread.h b/src/mesa/main/glthread.h
index 5b938fdeef9..36692fe5704 100644
--- a/src/mesa/main/glthread.h
+++ b/src/mesa/main/glthread.h
@@ -65,6 +65,9 @@ struct glthread_state
    /** Multithreaded queue. */
    struct util_queue queue;
 
+   /** This is sent to the driver for framebuffer overlay / HUD. */
+   struct util_queue_monitoring stats;
+
    /** The ring of batches in memory. */
    struct glthread_batch batches[MARSHAL_MAX_BATCHES];
 
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index f57cd6a4256..f5351398474 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -629,14 +629,15 @@ st_emit_string_marker(struct gl_context *ctx, const GLchar *string, GLsizei len)
 }
 
 static void
-st_set_background_context(struct gl_context *ctx)
+st_set_background_context(struct gl_context *ctx,
+                          struct util_queue_monitoring *queue_info)
 {
    struct st_context *st = ctx->st;
    struct st_manager *smapi =
       (struct st_manager*)st->iface.st_context_private;
 
    assert(smapi->set_background_context);
-   smapi->set_background_context(&st->iface);
+   smapi->set_background_context(&st->iface, queue_info);
 }
 
 void st_init_driver_functions(struct pipe_screen *screen,