[gtk/wip/chergert/glproto] next: add queue depth to GDK profiler metrics

[Christian Hergert <chergert src gnome org>]

commit 2b5d63bbc2b2bd80fc42161d2dd158622a79b1b8
Author: Christian Hergert <chergert redhat com>
Date:   Tue Feb 23 11:35:12 2021 -0800

    next: add queue depth to GDK profiler metrics

 gsk/next/gskglcommandqueue.c        | 2 ++
 gsk/next/gskglcommandqueueprivate.h | 1 +
 2 files changed, 3 insertions(+)
---
diff --git a/gsk/next/gskglcommandqueue.c b/gsk/next/gskglcommandqueue.c
index 10e5f2fae4..bda3f9da89 100644
--- a/gsk/next/gskglcommandqueue.c
+++ b/gsk/next/gskglcommandqueue.c
@@ -1205,6 +1205,7 @@ gsk_gl_command_queue_execute (GskGLCommandQueue    *self,
   gdk_profiler_set_int_counter (self->metrics.n_uniforms, n_uniforms);
   gdk_profiler_set_int_counter (self->metrics.n_fbos, n_fbos);
   gdk_profiler_set_int_counter (self->metrics.n_uploads, self->n_uploads);
+  gdk_profiler_set_int_counter (self->metrics.queue_depth, self->batches.len);
 
 #ifdef G_ENABLE_DEBUG
   {
@@ -1476,6 +1477,7 @@ gsk_gl_command_queue_set_profiler (GskGLCommandQueue *self,
       self->metrics.n_fbos = gdk_profiler_define_int_counter ("fbos", "Number of framebuffers attached");
       self->metrics.n_uniforms = gdk_profiler_define_int_counter ("uniforms", "Number of uniforms changed");
       self->metrics.n_uploads = gdk_profiler_define_int_counter ("uploads", "Number of texture uploads");
+      self->metrics.queue_depth = gdk_profiler_define_int_counter ("gl-queue-depth", "Depth of GL command 
batches");
     }
 #endif
 }
diff --git a/gsk/next/gskglcommandqueueprivate.h b/gsk/next/gskglcommandqueueprivate.h
index 706a7ca03f..2fd6145fc9 100644
--- a/gsk/next/gskglcommandqueueprivate.h
+++ b/gsk/next/gskglcommandqueueprivate.h
@@ -253,6 +253,7 @@ struct _GskGLCommandQueue
     guint n_fbos;
     guint n_uniforms;
     guint n_uploads;
+    guint queue_depth;
   } metrics;
 
   /* Counter for uploads on the frame */