Load and apply a vcgt table from an ICC file to the internal display

ui/ozone/common/gpu/ozone_gpu_messages.h

 // 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <vector>
 
 #include "base/file_descriptor_posix.h"
 #include "ipc/ipc_message_macros.h"
 #include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/display/types/gamma_ramp_rgb_entry.h"
 #include "ui/gfx/geometry/point.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
 #include "ui/ozone/ozone_export.h"
 
 #undef IPC_MESSAGE_EXPORT
 #define IPC_MESSAGE_EXPORT OZONE_EXPORT
 
@@ skipping 17 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(has_overscan)
   IPC_STRUCT_TRAITS_MEMBER(display_name)
   IPC_STRUCT_TRAITS_MEMBER(modes)
   IPC_STRUCT_TRAITS_MEMBER(has_current_mode)
   IPC_STRUCT_TRAITS_MEMBER(current_mode)
   IPC_STRUCT_TRAITS_MEMBER(has_native_mode)
   IPC_STRUCT_TRAITS_MEMBER(native_mode)
   IPC_STRUCT_TRAITS_MEMBER(string_representation)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(ui::GammaRampRGBEntry)
+IPC_STRUCT_TRAITS_MEMBER(r)

[dcheng, 2015/04/30 20:40:24]

Nit: indent. clang-format doesn't handle this correctly, sorry =(

+IPC_STRUCT_TRAITS_MEMBER(g)
+IPC_STRUCT_TRAITS_MEMBER(b)
+IPC_STRUCT_TRAITS_END()
+
 //------------------------------------------------------------------------------
 // GPU Messages
 // These are messages from the browser to the GPU process.
 
 // Update the HW cursor bitmap & move to specified location.
 IPC_MESSAGE_CONTROL4(OzoneGpuMsg_CursorSet,
                      gfx::AcceleratedWidget,
                      std::vector<SkBitmap>,
                      gfx::Point /* location */,
                      int /* frame_delay_ms */)
@@ skipping 35 matching lines @@
 
 IPC_MESSAGE_CONTROL1(OzoneGpuMsg_RemoveGraphicsDevice,
                      base::FilePath /* device_path */)
 
 // Take control of the display
 IPC_MESSAGE_CONTROL0(OzoneGpuMsg_TakeDisplayControl)
 
 // Let other entity control the display
 IPC_MESSAGE_CONTROL0(OzoneGpuMsg_RelinquishDisplayControl)
 
+// Provides the gamma ramp for display adjustment.
+IPC_MESSAGE_CONTROL2(OzoneGpuMsg_SetGammaRamp,
+                     int64_t,                             // display ID,
+                     std::vector<ui::GammaRampRGBEntry>)  // lut
+
 //------------------------------------------------------------------------------
 // Browser Messages
 // These messages are from the GPU to the browser process.
 
 // Updates the list of active displays.
 IPC_MESSAGE_CONTROL1(OzoneHostMsg_UpdateNativeDisplays,
                      std::vector<ui::DisplaySnapshot_Params>)
 
 IPC_MESSAGE_CONTROL2(OzoneHostMsg_DisplayConfigured,
                      int64_t /* display_id */,
                      bool /* status */)