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77 lines
3.1 KiB
77 lines
3.1 KiB
/*
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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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#include <gralloc_priv.h>
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#include <qdMetaData.h>
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#include <mdp_version.h>
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#include <hardware/hwcomposer.h>
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// This header is for clients to use to set/get global display configuration
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// The functions in this header run in the client process and wherever necessary
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// do a binder call to HWC to get/set data.
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// Only primary and external displays are supported here.
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// WiFi/virtual displays are not supported.
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namespace qdutils {
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// Use this enum to specify the dpy parameters where needed
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enum {
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DISPLAY_PRIMARY = 0,
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DISPLAY_EXTERNAL,
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};
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// Display Attributes that are available to clients of this library
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// Not to be confused with a similar struct in hwc_utils (in the hwc namespace)
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struct DisplayAttributes_t {
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uint32_t vsync_period; //nanoseconds
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uint32_t xres;
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uint32_t yres;
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float xdpi;
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float ydpi;
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char panel_type;
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};
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// Check if external display is connected. Useful to check before making
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// calls for external displays
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// Returns 1 if connected, 0 if disconnected, negative values on errors
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int isExternalConnected(void);
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// Get display vsync period which is in nanoseconds
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// i.e vsync_period = 1000000000l / fps
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// Returns 0 on success, negative values on errors
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int getDisplayAttributes(int dpy, DisplayAttributes_t& dpyattr);
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// Set HSIC data on a given display ID
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// Returns 0 on success, negative values on errors
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int setHSIC(int dpy, const HSICData_t& hsic_data);
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// get the active visible region for the display
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// Returns 0 on success, negative values on errors
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int getDisplayVisibleRegion(int dpy, hwc_rect_t &rect);
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}; //namespace
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