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79 lines
3.2 KiB
79 lines
3.2 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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// set the view frame information in hwc context from surfaceflinger |
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int setViewFrame(int dpy, int l, int t, int r, int b); |
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}; //namespace
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