ui/ozone/common/display_snapshot_proxy.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "ui/ozone/common/display_snapshot_proxy.h"
   6
   7 #include "ui/ozone/common/display_mode_proxy.h"
   8 #include "ui/ozone/common/gpu/ozone_gpu_message_params.h"
   9
  10 namespace ui {
  11
  12 namespace {
  13
  14 bool SameModes(const DisplayMode_Params& lhs, const DisplayMode_Params& rhs) {
  15   return lhs.size == rhs.size && lhs.is_interlaced == rhs.is_interlaced &&
  16          lhs.refresh_rate == rhs.refresh_rate;
  17 }
  18
  19 // Exclude 4K@60kHz becaseu this doesn't work in most devices/configuration now.
  20 // TODO(marcheu|oshima): Revisit this. crbug.com/39397
  21 bool IsModeBlackListed(const DisplayMode_Params& mode_params) {
  22   return mode_params.size.width() >= 3840 && mode_params.size.width() >= 2160 &&
  23          mode_params.refresh_rate >= 60.0f;
  24 }
  25
  26 }  // namespace
  27
  28 DisplaySnapshotProxy::DisplaySnapshotProxy(const DisplaySnapshot_Params& params)
  29     : DisplaySnapshot(params.display_id,
  30                       params.origin,
  31                       params.physical_size,
  32                       params.type,
  33                       params.is_aspect_preserving_scaling,
  34                       params.has_overscan,
  35                       params.display_name,
  36                       std::vector<const DisplayMode*>(),
  37                       NULL,
  38                       NULL),
  39       string_representation_(params.string_representation) {
  40   for (size_t i = 0; i < params.modes.size(); ++i) {
  41     const DisplayMode_Params& mode_params = params.modes[i];
  42     if (IsModeBlackListed(mode_params))
  43       continue;
  44     modes_.push_back(new DisplayModeProxy(mode_params));
  45
  46     if (params.has_current_mode &&
  47         SameModes(params.modes[i], params.current_mode))
  48       current_mode_ = modes_.back();
  49
  50     if (params.has_native_mode &&
  51         SameModes(params.modes[i], params.native_mode))
  52       native_mode_ = modes_.back();
  53   }
  54
  55   product_id_ = params.product_id;
  56 }
  57
  58 DisplaySnapshotProxy::~DisplaySnapshotProxy() {
  59 }
  60
  61 std::string DisplaySnapshotProxy::ToString() const {
  62   return string_representation_;
  63 }
  64
  65 }  // namespace ui