HDR: Do nonlinear blending in the compositor

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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 "content/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 737 matching lines @@
   if (it == per_compositor_data_.end())
     return;
   PerCompositorData* data = it->second.get();
   DCHECK(data);
   if (data->display)
     data->display->Resize(size);
 }
 
 void GpuProcessTransportFactory::SetDisplayColorSpace(
     ui::Compositor* compositor,
-    const gfx::ColorSpace& color_space) {
+    const gfx::ColorSpace& blending_color_space,
+    const gfx::ColorSpace& output_color_space) {
   PerCompositorDataMap::iterator it = per_compositor_data_.find(compositor);
   if (it == per_compositor_data_.end())
     return;
   PerCompositorData* data = it->second.get();
   DCHECK(data);
   // The compositor will always SetColorSpace on the Display once it is set up,
   // so do nothing if |display| is null.
   if (data->display)
-    data->display->SetColorSpace(color_space);
+    data->display->SetColorSpace(blending_color_space, output_color_space);
 }
 
 void GpuProcessTransportFactory::SetAuthoritativeVSyncInterval(
     ui::Compositor* compositor,
     base::TimeDelta interval) {
   PerCompositorDataMap::iterator it = per_compositor_data_.find(compositor);
   if (it == per_compositor_data_.end())
     return;
   PerCompositorData* data = it->second.get();
   DCHECK(data);
@@ skipping 172 matching lines @@
       shared_vulkan_context_provider_ =
           cc::VulkanInProcessContextProvider::Create();
     }
 
     shared_vulkan_context_provider_initialized_ = true;
   }
   return shared_vulkan_context_provider_;
 }
 
 }  // namespace content