[gtk/tracing: 1334/1335] gsk: Add tracing to the vulkan renderer

[Matthias Clasen <matthiasc src gnome org>]

commit b20be089d94f6d95180574e589d2611ffece2775
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat May 19 20:35:02 2018 +0100

    gsk: Add tracing to the vulkan renderer
    
    Emit the equivalent of the cpu-time counter, as well
    as pixel numbers i the inspector.

 gsk/vulkan/gskvulkanrenderer.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)
---
diff --git a/gsk/vulkan/gskvulkanrenderer.c b/gsk/vulkan/gskvulkanrenderer.c
index 80bb845b37..34275978cb 100644
--- a/gsk/vulkan/gskvulkanrenderer.c
+++ b/gsk/vulkan/gskvulkanrenderer.c
@@ -13,6 +13,7 @@
 #include "gskvulkanglyphcacheprivate.h"
 
 #include "gdk/gdktextureprivate.h"
+#include "gdk/gdkprofiler.h"
 
 #include <graphene.h>
 
@@ -38,6 +39,9 @@ typedef struct {
 } ProfileTimers;
 #endif
 
+static guint texture_pixels_counter;
+static guint fallback_pixels_counter;
+
 struct _GskVulkanRenderer
 {
   GskRenderer parent_instance;
@@ -170,7 +174,7 @@ gsk_vulkan_renderer_render_texture (GskRenderer           *renderer,
   GdkTexture *texture;
 #ifdef G_ENABLE_DEBUG
   GskProfiler *profiler;
-  gint64 cpu_time;
+  gint64 cpu_time, start_time;
 #endif
 
 #ifdef G_ENABLE_DEBUG
@@ -201,10 +205,22 @@ gsk_vulkan_renderer_render_texture (GskRenderer           *renderer,
   gsk_vulkan_render_free (render);
 
 #ifdef G_ENABLE_DEBUG
+  start_time = gsk_profiler_timer_get_start (profiler, self->profile_timers.cpu_time);
   cpu_time = gsk_profiler_timer_end (profiler, self->profile_timers.cpu_time);
   gsk_profiler_timer_set (profiler, self->profile_timers.cpu_time, cpu_time);
 
   gsk_profiler_push_samples (profiler);
+
+  if (gdk_profiler_is_running ())
+    {
+      gdk_profiler_add_mark (start_time, cpu_time, "render", "");
+      gdk_profiler_set_int_counter (texture_pixels_counter,
+                                    start_time + cpu_time,
+                                    gsk_profiler_counter_get (profiler, 
self->profile_counters.texture_pixels));
+      gdk_profiler_set_int_counter (fallback_pixels_counter,
+                                    start_time + cpu_time,
+                                    gsk_profiler_counter_get (profiler, 
self->profile_counters.fallback_pixels));
+    }
 #endif
 
   return texture;
@@ -284,6 +300,13 @@ gsk_vulkan_renderer_init (GskVulkanRenderer *self)
   self->profile_timers.cpu_time = gsk_profiler_add_timer (profiler, "cpu-time", "CPU time", FALSE, TRUE);
   if (GSK_RENDERER_DEBUG_CHECK (GSK_RENDERER (self), SYNC))
     self->profile_timers.gpu_time = gsk_profiler_add_timer (profiler, "gpu-time", "GPU time", FALSE, TRUE);
+
+  if (texture_pixels_counter == 0)
+    {
+      texture_pixels_counter = gdk_profiler_define_int_counter ("texture-pixels", "Texture Pixels");
+      fallback_pixels_counter = gdk_profiler_define_int_counter ("fallback-pixels", "Fallback Pixels");
+    }
+
 #endif
 }