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68 lines
2.5 KiB
68 lines
2.5 KiB
4 months ago
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/*
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* Copyright (c) 2013 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef HWC_AD_H
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#define HWC_AD_H
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#include <overlayUtils.h>
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#include <hwc_utils.h>
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struct hwc_context_t;
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namespace qhwc {
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class AssertiveDisplay {
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public:
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AssertiveDisplay(hwc_context_t *ctx);
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void markDoable(hwc_context_t *ctx, const hwc_display_contents_1_t* list);
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bool prepare(hwc_context_t *ctx, const hwc_rect_t& crop,
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const overlay::utils::Whf& whf,
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const private_handle_t *hnd);
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bool draw(hwc_context_t *ctx, int fd, uint32_t offset);
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//Resets a few members on each draw round
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void reset() { mDoable = false;
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mDest = overlay::utils::OV_INVALID;
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}
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bool isDoable() const { return mDoable; }
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bool isModeOn() const { return (mWbFd >= 0); }
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int getDstFd() const;
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uint32_t getDstOffset() const;
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private:
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//State of feature turned on and off
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int mWbFd;
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bool mDoable;
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//State of feature existence on certain devices and configs.
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bool mFeatureEnabled;
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overlay::utils::eDest mDest;
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};
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}
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#endif
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