1 /* 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 36 struct hwc_context_t; 37 38 namespace qhwc { 39 40 class AssertiveDisplay { 41 public: 42 AssertiveDisplay(); 43 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 57 private: 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 68
