| /* |
| * Copyright (c) 2015 - 2016, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <utils/debug.h> |
| #include "hw_virtual.h" |
| |
| #define __CLASS__ "HWVirtual" |
| |
| namespace sdm { |
| |
| HWVirtual::HWVirtual(BufferSyncHandler *buffer_sync_handler, HWInfoInterface *hw_info_intf) |
| : HWDevice(buffer_sync_handler) { |
| HWDevice::device_type_ = kDeviceVirtual; |
| HWDevice::device_name_ = "Virtual Display Device"; |
| HWDevice::hw_info_intf_ = hw_info_intf; |
| } |
| |
| DisplayError HWVirtual::Init() { |
| return HWDevice::Init(); |
| } |
| |
| DisplayError HWVirtual::Validate(HWLayers *hw_layers) { |
| HWDevice::ResetDisplayParams(); |
| return HWDevice::Validate(hw_layers); |
| } |
| |
| DisplayError HWVirtual::GetMixerAttributes(HWMixerAttributes *mixer_attributes) { |
| if (!mixer_attributes) { |
| return kErrorParameters; |
| } |
| |
| mixer_attributes->width = display_attributes_.x_pixels; |
| mixer_attributes->height = display_attributes_.y_pixels; |
| mixer_attributes_.split_left = display_attributes_.is_device_split ? |
| (display_attributes_.x_pixels / 2) : mixer_attributes_.width; |
| |
| return kErrorNone; |
| } |
| |
| DisplayError HWVirtual::SetDisplayAttributes(const HWDisplayAttributes &display_attributes) { |
| if (display_attributes.x_pixels == 0 || display_attributes.y_pixels == 0) { |
| return kErrorParameters; |
| } |
| |
| display_attributes_ = display_attributes; |
| |
| if (display_attributes_.x_pixels > hw_resource_.max_mixer_width) { |
| display_attributes_.is_device_split = true; |
| } |
| |
| return kErrorNone; |
| } |
| |
| } // namespace sdm |
| |
