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vulkan: Measure gpu time

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Since this value is only meaningful if we wait for the rendering
to end, we only keep this timer if GSK_RENDERING_MODE=sync is
enabled.
This commit is contained in:
Matthias Clasen 2017-09-28 10:27:58 -04:00
parent 72d043d51f
commit 535529ca98
2 changed files with 16 additions and 0 deletions
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14
gsk/gskvulkanrender.c
View File

@ -56,6 +56,7 @@ struct _GskVulkanRender
GSList *cleanup_images;
GQuark render_pass_counter;
GQuark gpu_time_timer;
};
static void
@ -208,6 +209,7 @@ gsk_vulkan_render_new (GskRenderer *renderer,
#ifdef G_ENABLE_DEBUG
self->render_pass_counter = g_quark_from_static_string ("render-passes");
self->gpu_time_timer = g_quark_from_static_string ("gpu-time");
#endif
return self;
@ -537,6 +539,11 @@ gsk_vulkan_render_draw (GskVulkanRender *self,
{
GList *l;
#ifdef G_ENABLE_DEBUG
if (GSK_RENDER_MODE_CHECK (SYNC))
gsk_profiler_timer_begin (gsk_renderer_get_profiler (self->renderer), self->gpu_time_timer);
#endif
gsk_vulkan_render_prepare_descriptor_sets (self, sampler);
for (l = self->render_passes; l; l = l->next)
@ -566,11 +573,18 @@ gsk_vulkan_render_draw (GskVulkanRender *self,
if (GSK_RENDER_MODE_CHECK (SYNC))
{
GskProfiler *profiler;
gint64 gpu_time;
GSK_VK_CHECK (vkWaitForFences, gdk_vulkan_context_get_device (self->vulkan),
1,
&self->fence,
VK_TRUE,
INT64_MAX);
profiler = gsk_renderer_get_profiler (self->renderer);
gpu_time = gsk_profiler_timer_end (profiler, self->gpu_time_timer);
gsk_profiler_timer_set (profiler, self->gpu_time_timer, gpu_time);
}
}

2
gsk/gskvulkanrenderer.c
View File

@ -314,6 +314,8 @@ gsk_vulkan_renderer_init (GskVulkanRenderer *self)
self->profile_counters.fallback_pixels = gsk_profiler_add_counter (profiler, "fallback-pixels", "Fallback pixels", TRUE);
self->profile_timers.cpu_time = gsk_profiler_add_timer (profiler, "cpu-time", "CPU time", FALSE, TRUE);
if (GSK_RENDER_MODE_CHECK (SYNC))
self->profile_timers.gpu_time = gsk_profiler_add_timer (profiler, "gpu-time", "GPU time", FALSE, TRUE);
#endif
}