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
IsValidContentList(hwc_display_contents_1_t * content_list)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