[1.5/2][Ozone-Drm] Keep track of display origin

ui/ozone/platform/drm/gpu/drm_display.cc

 // Copyright 2015 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 "ui/ozone/platform/drm/gpu/drm_display.h"
 
 #include <xf86drmMode.h>
 
 #include "ui/display/types/gamma_ramp_rgb_entry.h"
 #include "ui/ozone/platform/drm/common/drm_util.h"
@@ skipping 49 matching lines @@
   }
 
   NOTREACHED();
   return std::string();
 }
 
 gfx::Size GetDrmModeSize(const drmModeModeInfo& mode) {
   return gfx::Size(mode.hdisplay, mode.vdisplay);
 }
 
+std::vector<drmModeModeInfo> GetDrmModeVector(drmModeConnector* connector) {
+  std::vector<drmModeModeInfo> modes;
+  for (int i = 0; i < connector->count_modes; ++i)
+    modes.push_back(connector->modes[i]);
+
+  return modes;
+}
+
 }  // namespace
 
 DrmDisplay::DrmDisplay(ScreenManager* screen_manager,
-                       int64_t display_id,
-                       const scoped_refptr<DrmDevice>& drm,
-                       uint32_t crtc,
-                       uint32_t connector,
-                       const std::vector<drmModeModeInfo>& modes)
-    : screen_manager_(screen_manager),
-      display_id_(display_id),
-      drm_(drm),
-      crtc_(crtc),
-      connector_(connector),
-      modes_(modes) {
+                       const scoped_refptr<DrmDevice>& drm)
+    : screen_manager_(screen_manager), display_id_(-1), drm_(drm) {
 }
 
 DrmDisplay::~DrmDisplay() {
 }
 
+DisplaySnapshot_Params DrmDisplay::Update(HardwareDisplayControllerInfo* info,
+                                          size_t display_index) {
+  DisplaySnapshot_Params params =
+      CreateDisplaySnapshotParams(info, drm_->get_fd(), display_index, origin_);
+  crtc_ = info->crtc()->crtc_id;
+  connector_ = info->connector()->connector_id;
+  display_id_ = params.display_id;
+  modes_ = GetDrmModeVector(info->connector());
+  return params;
+}
+
 bool DrmDisplay::Configure(const drmModeModeInfo* mode,
                            const gfx::Point& origin) {
   VLOG(1) << "DRM configuring: device=" << drm_->device_path().value()
           << " crtc=" << crtc_ << " connector=" << connector_
           << " origin=" << origin.ToString()
           << " size=" << (mode ? GetDrmModeSize(*mode).ToString() : "0x0");
 
   if (mode) {
     if (!screen_manager_->ConfigureDisplayController(drm_, crtc_, connector_,
                                                      origin, *mode)) {
       VLOG(1) << "Failed to configure: device=" << drm_->device_path().value()
               << " crtc=" << crtc_ << " connector=" << connector_;
       return false;
     }
   } else {
     if (!screen_manager_->DisableDisplayController(drm_, crtc_)) {
       VLOG(1) << "Failed to disable device=" << drm_->device_path().value()
               << " crtc=" << crtc_;
       return false;
     }
   }
 
+  origin_ = origin;
   return true;
 }
 
 bool DrmDisplay::GetHDCPState(HDCPState* state) {
   ScopedDrmConnectorPtr connector(drm_->GetConnector(connector_));
   if (!connector) {
     PLOG(ERROR) << "Failed to get connector " << connector_;
     return false;
   }
 
@@ skipping 38 matching lines @@
 }
 
 void DrmDisplay::SetGammaRamp(const std::vector<GammaRampRGBEntry>& lut) {
   if (!drm_->SetGammaRamp(crtc_, lut)) {
     LOG(ERROR) << "Failed to set gamma ramp for display: crtc_id = " << crtc_
                << " size = " << lut.size();
   }
 }
 
 }  // namespace ui