Home | History | Annotate | Download | only in hwc 
      1 /*
      2 * Copyright (c) 2014,2016 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_VIRTUAL_H__
     26 #define __HWC_DISPLAY_VIRTUAL_H__
     27 
     28 #include <qdMetaData.h>
     29 #include <gralloc_priv.h>
     30 #include "hwc_display.h"
     31 
     32 namespace sdm {
     33 
     34 class HWCDisplayVirtual : public HWCDisplay {
     35  public:
     36   static int Create(CoreInterface *core_intf, hwc_procs_t const **hwc_procs,
     37                     uint32_t primary_width, uint32_t primary_height,
     38                     hwc_display_contents_1_t *content_list, HWCDisplay **hwc_display);
     39   static void Destroy(HWCDisplay *hwc_display);
     40   static bool IsValidContentList(hwc_display_contents_1_t *content_list);
     41   virtual int Init();
     42   virtual int Deinit();
     43   virtual int Prepare(hwc_display_contents_1_t *content_list);
     44   virtual int Commit(hwc_display_contents_1_t *content_list);
     45   virtual void SetFrameDumpConfig(uint32_t count, uint32_t bit_mask_layer_type);
     46 
     47  private:
     48   HWCDisplayVirtual(CoreInterface *core_intf, hwc_procs_t const **hwc_procs);
     49   int SetOutputBuffer(hwc_display_contents_1_t *content_list);
     50   int SetOutputSliceFromMetadata(hwc_display_contents_1_t *content_list);
     51   void CommitOutputBufferParams(hwc_display_contents_1_t *content_list);
     52 
     53   bool dump_output_layer_ = false;
     54   LayerBuffer *output_buffer_ = NULL;
     55 };
     56 
     57 inline bool HWCDisplayVirtual::IsValidContentList(hwc_display_contents_1_t *content_list) {
     58   return (content_list && content_list->numHwLayers > 0 && content_list->outbuf);
     59 }
     60 
     61 }  // namespace sdm
     62 
     63 #endif  // __HWC_DISPLAY_VIRTUAL_H__
     64 
     65