ykeara
05c12cd4a0
* fixed Chaperone toggle, toggle state on launch * made update rates based on variable frame rate assuming 90 default * added overlay color back in * fixed opacity value not synching * updated to ovr 1.8.19 * fixed license issue * rolled back ovr update * fixed overlay toggle state, formatting, and clamped max opacity to .85%
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
#include "FrameRateUtils.h"
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#include <easylogging++.h>
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namespace utils
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{
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/* Adjusts update rate for event loop ticks so that regardless of ticks we
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* maintain the approximate same time value for the updates, if Key is not set
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* in SteamVR we assume HMD is @ 90 hz
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* */
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unsigned int adjustUpdateRate( const unsigned int baseRefreshKey )
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{
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double updateRate;
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vr::EVRSettingsError vrSettingsError;
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updateRate = static_cast<double>(
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vr::VRSettings()->GetInt32( vr::k_pch_SteamVR_Section,
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vr::k_pch_SteamVR_PreferredRefreshRate,
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&vrSettingsError ) );
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if ( vrSettingsError != vr::VRSettingsError_None )
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{
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LOG( WARNING ) << "Could not read \""
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<< vr::k_pch_SteamVR_PreferredRefreshRate
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<< "\" setting: "
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<< vr::VRSettings()->GetSettingsErrorNameFromEnum(
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vrSettingsError );
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return baseRefreshKey;
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}
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// Assume Base 90 hz Refresh
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double multiplier = updateRate / 90.0;
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unsigned int adjustedRefreshKey = static_cast<unsigned int>(
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static_cast<double>( baseRefreshKey ) * multiplier );
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if ( adjustedRefreshKey < 45 )
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{
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return baseRefreshKey;
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}
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return adjustedRefreshKey;
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}
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} // end namespace utils
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