Report swap chain format histogram on every swap.

gpu/ipc/service/direct_composition_surface_win.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/ipc/service/direct_composition_surface_win.h"
 
 #include <d3d11_1.h>
 #include <dcomptypes.h>
 
 #include <deque>
@@ skipping 478 matching lines @@
     base::win::ScopedComPtr<ID3D11Texture2D> src_texture;
     hr = swap_chain_->GetBuffer(1, IID_PPV_ARGS(src_texture.Receive()));
     DCHECK(SUCCEEDED(hr));
     base::win::ScopedComPtr<ID3D11DeviceContext> context;
     d3d11_device_->GetImmediateContext(context.Receive());
     context->CopyResource(dest_texture.get(), src_texture.get());
   }
 
   swap_chain_->Present(1, 0);
 
+  UMA_HISTOGRAM_BOOLEAN("GPU.DirectComposition.SwapchainFormat",
+                        is_yuy2_swapchain_);
   frames_since_color_space_change_++;
 
   base::win::ScopedComPtr<IDXGISwapChainMedia> swap_chain_media;
   if (SUCCEEDED(swap_chain_.QueryInterface(swap_chain_media.Receive()))) {
     DXGI_FRAME_STATISTICS_MEDIA stats = {};
     if (SUCCEEDED(swap_chain_media->GetFrameStatisticsMedia(&stats))) {
       UMA_HISTOGRAM_SPARSE_SLOWLY("GPU.DirectComposition.CompositionMode",
                                   stats.CompositionMode);
       presentation_history_.AddSample(stats.CompositionMode);
     }
@@ skipping 75 matching lines @@
       DLOG(ERROR) << "YUY2 creation failed with " << std::hex << hr
                   << ". Falling back to BGRA";
     }
     desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
     desc.Flags = 0;
     hr = media_factory->CreateSwapChainForCompositionSurfaceHandle(
         d3d11_device_.get(), swap_chain_handle_.Get(), &desc, nullptr,
         swap_chain_.Receive());
     CHECK(SUCCEEDED(hr));
   }
-  UMA_HISTOGRAM_BOOLEAN("GPU.DirectComposition.SwapchainFormat",
-                        is_yuy2_swapchain_);
   out_view_.Reset();
 }
 
 void DCLayerTree::InitVisual(size_t i) {
   DCHECK_GT(visual_info_.size(), i);
   VisualInfo* visual_info = &visual_info_[i];
   if (visual_info->content_visual)
     return;
   DCHECK(!visual_info->clip_visual);
   base::win::ScopedComPtr<IDCompositionVisual2> visual;
@@ skipping 551 matching lines @@
 DirectCompositionSurfaceWin::GetWindowTaskRunnerForTesting() {
   return child_window_.GetTaskRunnerForTesting();
 }
 
 base::win::ScopedComPtr<IDXGISwapChain1>
 DirectCompositionSurfaceWin::GetLayerSwapChainForTesting(size_t index) const {
   return layer_tree_->GetLayerSwapChainForTesting(index);
 }
 
 }  // namespace gpu