1 /*
2 * Copyright (c) 2014, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are permitted
5 * provided that the following conditions are met:
6 *    * Redistributions of source code must retain the above copyright notice, this list of
7 *      conditions and the following disclaimer.
8 *    * Redistributions in binary form must reproduce the above copyright notice, this list of
9 *      conditions and the following disclaimer in the documentation and/or other materials provided
10 *      with the distribution.
11 *    * Neither the name of The Linux Foundation nor the names of its contributors may be used to
12 *      endorse or promote products derived from this software without specific prior written
13 *      permission.
14 *
15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
17 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24 
25 #ifndef __HWC_DISPLAY_EXTERNAL_H__
26 #define __HWC_DISPLAY_EXTERNAL_H__
27 
28 #include "hwc_display.h"
29 
30 namespace sdm {
31 
32 class HWCDisplayExternal : public HWCDisplay {
33  public:
34   static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs, uint32_t primary_width,
35                     uint32_t primary_height, HWCDisplay **hwc_display);
36   static void Destroy(HWCDisplay *hwc_display);
37   virtual int Prepare(hwc_display_contents_1_t *content_list);
38   virtual int Commit(hwc_display_contents_1_t *content_list);
39   virtual void SetSecureDisplay(bool secure_display_active);
40 
41  private:
42   HWCDisplayExternal(CoreInterface *core_intf, hwc_procs_t const **hwc_procs);
43   void ApplyScanAdjustment(hwc_rect_t *display_frame);
44   static void GetDownscaleResolution(uint32_t primary_width, uint32_t primary_height,
45                                      uint32_t *virtual_width, uint32_t *virtual_height);
46 };
47 
48 }  // namespace sdm
49 
50 #endif  // __HWC_DISPLAY_EXTERNAL_H__
51 
52