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Commit b9b48ae8 authored by Stephen Kiazyk's avatar Stephen Kiazyk Committed by android-build-merger
Browse files

Set the vr hwc vsync rate to match the native vsync 

am: 22c1462a

Change-Id: I3b4ebea0ad9e8249d6dec76e798e67724a84761d
parents 21802dac 22c1462a

services/vr/hardware_composer/impl/vr_hwc.cpp

+13 −1
Original line number Original line Diff line number Diff line
@@ -336,7 +336,19 @@ Error VrHwc::getDisplayAttribute(Display display, Config config, 
      *outValue = display_ptr->height();

      *outValue = display_ptr->height();

      break;

      break;

    case IComposerClient::Attribute::VSYNC_PERIOD:

    case IComposerClient::Attribute::VSYNC_PERIOD:

      *outValue = 1000 * 1000 * 1000 / 30;  // 30fps

      {

        int error = 0;

        auto display_client = display::DisplayClient::Create(&error);

        if (!display_client) {

          ALOGE("Could not connect to display service : %s(%d)",

                strerror(error), error);

          // Return a default value of 30 fps

          *outValue = 1000 * 1000 * 1000 / 30;

        } else {

          auto metrics = display_client->GetDisplayMetrics();

          *outValue = metrics.get().vsync_period_ns;

        }

      }

      break;

      break;

    case IComposerClient::Attribute::DPI_X:

    case IComposerClient::Attribute::DPI_X:

    case IComposerClient::Attribute::DPI_Y:

    case IComposerClient::Attribute::DPI_Y: