From a49818e6727dc3ec25e438b032b761e668542886 Mon Sep 17 00:00:00 2001
From: Hou Qi <qi.hou@nxp.com>
Date: Thu, 18 Aug 2022 12:22:20 +0800
Subject: [PATCH 12/17] V4L2VDA: Add fps in SkiaOutputSurfaceImplOnGpu by
 VLOG(1)

Upstream-Status: Inappropriate [NXP specific]
---
 .../skia_output_surface_impl_on_gpu.cc         | 18 ++++++++++++++++++
 .../skia_output_surface_impl_on_gpu.h          |  1 +
 2 files changed, 19 insertions(+)

diff --git a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
index 946f4f40aaa08..8a05a8c41bd05 100644
--- a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
+++ b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.cc
@@ -6,6 +6,7 @@
 
 #include <memory>
 #include <vector>
+#include <sys/time.h>
 
 #include "base/atomic_sequence_num.h"
 #include "base/bind.h"
@@ -104,6 +105,15 @@
 #include "components/viz/service/display_embedder/output_presenter_fuchsia.h"
 #endif
 
+static uint64_t start_time = 0;
+static uint64_t stop_time = 0;
+
+uint64_t NowMicros() {
+  struct timeval tv;
+  gettimeofday(&tv, nullptr);
+  return static_cast<uint64_t>(tv.tv_sec) * 1e6 + tv.tv_usec;
+}
+
 namespace viz {
 
 namespace {
@@ -320,6 +330,7 @@ SkiaOutputSurfaceImplOnGpu::SkiaOutputSurfaceImplOnGpu(
       async_read_result_lock_(base::MakeRefCounted<AsyncReadResultLock>()) {
   DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
 
+  swap_buffers_number_ = 0;
   weak_ptr_ = weak_ptr_factory_.GetWeakPtr();
   buffer_presented_callback_ = CreateSafeRepeatingCallback(
       weak_ptr_, std::move(buffer_presented_callback));
@@ -500,10 +511,16 @@ void SkiaOutputSurfaceImplOnGpu::SwapBuffers(OutputSurfaceFrame frame,
   TRACE_EVENT0("viz", "SkiaOutputSurfaceImplOnGpu::SwapBuffers");
   DCHECK_CALLED_ON_VALID_THREAD(thread_checker_);
 
+  if ( swap_buffers_number_ == 0)
+    start_time = NowMicros();
   if (release_frame_buffer)
     output_device_->ReleaseOneFrameBuffer();
 
+  swap_buffers_number_++;
+  stop_time = NowMicros();
+
   SwapBuffersInternal(std::move(frame));
+  VLOG(1) << "total showed " << swap_buffers_number_ << " frames, total time " << (stop_time - start_time) << " ms, fps is " << swap_buffers_number_*1e6/(stop_time - start_time) << std::endl;
 }
 
 void SkiaOutputSurfaceImplOnGpu::AllocateFrameBuffers(size_t n) {
@@ -1525,6 +1542,7 @@ bool SkiaOutputSurfaceImplOnGpu::Initialize() {
   if (context_state_)
     context_state_->AddContextLostObserver(this);
 
+  start_time = NowMicros();
   return true;
 }
 
diff --git a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.h b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.h
index febdaebbb740c..be1cedf2babc9 100644
--- a/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.h
+++ b/components/viz/service/display_embedder/skia_output_surface_impl_on_gpu.h
@@ -423,6 +423,7 @@ class SkiaOutputSurfaceImplOnGpu
   BufferPresentedCallback buffer_presented_callback_;
   ContextLostCallback context_lost_callback_;
   GpuVSyncCallback gpu_vsync_callback_;
+  size_t swap_buffers_number_;
 
   // ImplOnGpu::CopyOutput can create SharedImages via ImplOnGpu's
   // SharedImageFactory. Clients can use these images via CopyOutputResult and
-- 
2.17.1