blob: c745b1579f59d59594ab1d8ff978165e22f3987e [file] [log] [blame]
Saurabh Shaha9da08f2013-07-03 13:27:53 -07001/*
2* Copyright (c) 2013 The Linux Foundation. All rights reserved.
3*
4* Redistribution and use in source and binary forms, with or without
5* modification, are permitted provided that the following conditions are
6* met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above
10* copyright notice, this list of conditions and the following
11* disclaimer in the documentation and/or other materials provided
12* with the distribution.
13* * Neither the name of The Linux Foundation. nor the names of its
14* contributors may be used to endorse or promote products derived
15* from this software without specific prior written permission.
16*
17* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*/
29
30#ifndef HWC_AD_H
31#define HWC_AD_H
32
33#include <overlayUtils.h>
34#include <hwc_utils.h>
35
36struct hwc_context_t;
37
38namespace qhwc {
39
40class AssertiveDisplay {
41public:
Saurabh Shahc4f1fa62013-09-03 13:12:14 -070042 AssertiveDisplay(hwc_context_t *ctx);
Saurabh Shaha9da08f2013-07-03 13:27:53 -070043 void markDoable(hwc_context_t *ctx, const hwc_display_contents_1_t* list);
44 bool prepare(hwc_context_t *ctx, const hwc_rect_t& crop,
45 const overlay::utils::Whf& whf,
46 const private_handle_t *hnd);
47 bool draw(hwc_context_t *ctx, int fd, uint32_t offset);
48 //Resets a few members on each draw round
49 void reset() { mDoable = false;
50 mDest = overlay::utils::OV_INVALID;
51 }
52 bool isDoable() const { return mDoable; }
53 bool isModeOn() const { return (mWbFd >= 0); }
54 int getDstFd(hwc_context_t *ctx) const;
55 uint32_t getDstOffset(hwc_context_t *ctx) const;
56
57private:
58 //State of feature turned on and off
59 int mWbFd;
60 bool mDoable;
61 //State of feature existence on certain devices and configs.
62 bool mFeatureEnabled;
63 overlay::utils::eDest mDest;
64};
65
66}
67#endif