1 files changed, 127 insertions, 0 deletions
diff --git a/chromium/ui/ozone/platform/dri/chromeos/display_snapshot_dri.cc b/chromium/ui/ozone/platform/dri/chromeos/display_snapshot_dri.cc
new file mode 100644
index 00000000000..b14c590376a
--- /dev/null
+++ b/chromium/ui/ozone/platform/dri/chromeos/display_snapshot_dri.cc
@@ -0,0 +1,127 @@
+// 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 "ui/ozone/platform/dri/chromeos/display_snapshot_dri.h"
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <xf86drmMode.h>
+
+#include "base/format_macros.h"
+#include "base/logging.h"
+#include "base/strings/stringprintf.h"
+#include "ui/display/util/edid_parser.h"
+#include "ui/ozone/platform/dri/chromeos/display_mode_dri.h"
+#include "ui/ozone/platform/dri/dri_util.h"
+#include "ui/ozone/platform/dri/dri_wrapper.h"
+
+namespace ui {
+
+namespace {
+
+DisplayConnectionType GetDisplayType(drmModeConnector* connector) {
+  switch (connector->connector_type) {
+    case DRM_MODE_CONNECTOR_VGA:
+      return DISPLAY_CONNECTION_TYPE_VGA;
+    case DRM_MODE_CONNECTOR_DVII:
+    case DRM_MODE_CONNECTOR_DVID:
+    case DRM_MODE_CONNECTOR_DVIA:
+      return DISPLAY_CONNECTION_TYPE_DVI;
+    case DRM_MODE_CONNECTOR_LVDS:
+    case DRM_MODE_CONNECTOR_eDP:
+      return DISPLAY_CONNECTION_TYPE_INTERNAL;
+    case DRM_MODE_CONNECTOR_DisplayPort:
+      return DISPLAY_CONNECTION_TYPE_DISPLAYPORT;
+    case DRM_MODE_CONNECTOR_HDMIA:
+    case DRM_MODE_CONNECTOR_HDMIB:
+      return DISPLAY_CONNECTION_TYPE_HDMI;
+    default:
+      return DISPLAY_CONNECTION_TYPE_UNKNOWN;
+  }
+}
+
+bool IsAspectPreserving(DriWrapper* drm, drmModeConnector* connector) {
+  drmModePropertyRes* property = drm->GetProperty(connector, "scaling mode");
+  if (property) {
+    for (int j = 0; j < property->count_enums; ++j) {
+      if (property->enums[j].value ==
+              connector->prop_values[property->prop_id] &&
+          strcmp(property->enums[j].name, "Full aspect") == 0) {
+        drm->FreeProperty(property);
+        return true;
+      }
+    }
+
+    drm->FreeProperty(property);
+  }
+
+  return false;
+}
+
+}  // namespace
+
+DisplaySnapshotDri::DisplaySnapshotDri(
+    DriWrapper* drm,
+    drmModeConnector* connector,
+    drmModeCrtc* crtc,
+    uint32_t index)
+    : DisplaySnapshot(index,
+                      false,
+                      gfx::Point(crtc->x, crtc->y),
+                      gfx::Size(connector->mmWidth, connector->mmHeight),
+                      GetDisplayType(connector),
+                      IsAspectPreserving(drm, connector),
+                      false,
+                      std::string(),
+                      std::vector<const DisplayMode*>(),
+                      NULL,
+                      NULL),
+      connector_(connector->connector_id),
+      crtc_(crtc->crtc_id),
+      dpms_property_(drm->GetProperty(connector, "DPMS")) {
+  drmModePropertyBlobRes* edid_blob = drm->GetPropertyBlob(connector, "EDID");
+
+  if (edid_blob) {
+    std::vector<uint8_t> edid(
+        static_cast<uint8_t*>(edid_blob->data),
+        static_cast<uint8_t*>(edid_blob->data) + edid_blob->length);
+
+    has_proper_display_id_ = GetDisplayIdFromEDID(edid, index, &display_id_);
+    ParseOutputDeviceData(edid, NULL, &display_name_);
+    ParseOutputOverscanFlag(edid, &overscan_flag_);
+
+    drm->FreePropertyBlob(edid_blob);
+  } else {
+    VLOG(1) << "Failed to get EDID blob for connector "
+            << connector->connector_id;
+  }
+
+  for (int i = 0; i < connector->count_modes; ++i) {
+    drmModeModeInfo& mode = connector->modes[i];
+    modes_.push_back(new DisplayModeDri(mode));
+
+    if (crtc->mode_valid && SameMode(crtc->mode, mode))
+      current_mode_ = modes_.back();
+
+    if (mode.type & DRM_MODE_TYPE_PREFERRED)
+      native_mode_ = modes_.back();
+  }
+}
+
+DisplaySnapshotDri::~DisplaySnapshotDri() {
+  if (dpms_property_)
+    drmModeFreeProperty(dpms_property_);
+}
+
+std::string DisplaySnapshotDri::ToString() const {
+  return base::StringPrintf(
+      "[type=%d, connector=%" PRIu32 ", crtc=%" PRIu32 ", mode=%s, dim=%s]",
+      type_,
+      connector_,
+      crtc_,
+      current_mode_ ? current_mode_->ToString().c_str() : "NULL",
+      physical_size_.ToString().c_str());
+}
+
+}  // namespace ui