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/**
* Copyright 2015 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.opengl.util.stereo.generic;
import java.util.Arrays;
import jogamp.opengl.util.stereo.DistortionMesh;
import jogamp.opengl.util.stereo.GenericStereoDevice;
import com.jogamp.nativewindow.util.DimensionImmutable;
import com.jogamp.opengl.util.stereo.EyeParameter;
import com.jogamp.opengl.util.stereo.StereoDeviceConfig;
import com.jogamp.opengl.util.stereo.StereoDeviceRenderer;
import com.jogamp.opengl.util.stereo.StereoUtil;
import com.jogamp.opengl.util.stereo.StereoDevice;
/**
* Configuration for {@link GenericStereoDevice}s.
*/
public class GenericStereoDeviceConfig extends StereoDeviceConfig {
public static enum ShutterType {
Global, RollingLeftToRight, RollingRightToLeft, RollingTopToBottom
}
public GenericStereoDeviceConfig(final String name,
final GenericStereoDeviceConfig.ShutterType shutterType,
final DimensionImmutable surfaceSizeInPixels,
final float[] screenSizeInMeters,
final DimensionImmutable[/*pre-eye*/] eyeTextureSize,
final float pupilCenterFromScreenTopInMeters,
final float interpupillaryDistanceInMeters,
final int[] eyeRenderOrder,
final EyeParameter[] defaultEyeParam,
final int supportedSensorBits,
final DistortionMesh.Producer distortionMeshProducer,
final int supportedDistortionBits,
final int recommendedDistortionBits,
final int minimumDistortionBits
) {
if( eyeRenderOrder.length != defaultEyeParam.length ) {
throw new IllegalArgumentException("eye arrays of different length");
}
this.name = name;
this.shutterType = shutterType;
this.surfaceSizeInPixels = surfaceSizeInPixels;
this.screenSizeInMeters = screenSizeInMeters;
this.eyeTextureSizes = eyeTextureSize;
this.pupilCenterFromScreenTopInMeters = pupilCenterFromScreenTopInMeters;
this.interpupillaryDistanceInMeters = interpupillaryDistanceInMeters;
this.eyeRenderOrder = eyeRenderOrder;
this.defaultEyeParam = defaultEyeParam;
this.supportedSensorBits = supportedSensorBits;
this.distortionMeshProducer = distortionMeshProducer;
this.supportedDistortionBits = supportedDistortionBits;
this.recommendedDistortionBits = recommendedDistortionBits;
this.minimumDistortionBits = minimumDistortionBits;
this.pupilCenterFromTopLeft = new float[2][2];
calcPupilCenterFromTopLeft();
}
/** A variation w/ different surface/screen specs */
public GenericStereoDeviceConfig(final GenericStereoDeviceConfig source,
final DimensionImmutable surfaceSizeInPixels,
final float[] screenSizeInMeters,
final DimensionImmutable[/*pre-eye*/] eyeTextureSize) {
this.name = source.name;
this.shutterType = source.shutterType;
this.surfaceSizeInPixels = surfaceSizeInPixels;
this.screenSizeInMeters = screenSizeInMeters;
this.eyeTextureSizes = eyeTextureSize;
this.pupilCenterFromScreenTopInMeters = source.pupilCenterFromScreenTopInMeters;
this.interpupillaryDistanceInMeters = source.interpupillaryDistanceInMeters;
this.eyeRenderOrder = source.eyeRenderOrder;
this.defaultEyeParam = source.defaultEyeParam;
this.supportedSensorBits = source.supportedSensorBits;
this.distortionMeshProducer = source.distortionMeshProducer;
this.supportedDistortionBits = source.supportedDistortionBits;
this.recommendedDistortionBits = source.recommendedDistortionBits;
this.minimumDistortionBits = source.minimumDistortionBits;
this.pupilCenterFromTopLeft = new float[2][2];
calcPupilCenterFromTopLeft();
}
private void calcPupilCenterFromTopLeft() {
final float visibleWidthOfOneEye = 0.5f * screenSizeInMeters[0];
final float leftPupilCenterFromLeftInMeters = ( screenSizeInMeters[0] - interpupillaryDistanceInMeters ) * 0.5f;
final float rightPupilCenterFromMiddleInMeters = leftPupilCenterFromLeftInMeters + interpupillaryDistanceInMeters - visibleWidthOfOneEye;
pupilCenterFromTopLeft[0][0] = leftPupilCenterFromLeftInMeters / visibleWidthOfOneEye;
pupilCenterFromTopLeft[0][1] = pupilCenterFromScreenTopInMeters / screenSizeInMeters[1];
pupilCenterFromTopLeft[1][0] = rightPupilCenterFromMiddleInMeters / visibleWidthOfOneEye;
pupilCenterFromTopLeft[1][1] = pupilCenterFromTopLeft[0][1];
}
/**
* One time lazy initialization before use.
* @see #isInitialized()
*/
public synchronized void init() {
if( !isInitialized ) {
if( null != distortionMeshProducer ) {
final float[] eyeReliefInMeters = new float[defaultEyeParam.length];
if( 0 < defaultEyeParam.length ) {
eyeReliefInMeters[0] = defaultEyeParam[0].eyeReliefZ;
}
if( 1 < defaultEyeParam.length ) {
eyeReliefInMeters[1] = defaultEyeParam[1].eyeReliefZ;
}
distortionMeshProducer.init(this, eyeReliefInMeters);
}
isInitialized = true;
}
}
/**
* Returns {@code true} if {@link #init() initialized}, otherwise {@code false}.
* @see #init()
*/
public final boolean isInitialized() { return isInitialized; }
@Override
public String toString() { return "StereoConfig["+name+", shutter "+shutterType+", surfaceSize "+surfaceSizeInPixels+
", screenSize "+screenSizeInMeters[0]+" x "+screenSizeInMeters[0]+
" [m], eyeTexSize "+Arrays.toString(eyeTextureSizes)+", IPD "+interpupillaryDistanceInMeters+
" [m], eyeParam "+Arrays.toString(defaultEyeParam)+
", distortionBits[supported ["+StereoUtil.distortionBitsToString(supportedDistortionBits)+
"], recommended ["+StereoUtil.distortionBitsToString(recommendedDistortionBits)+
"], minimum ["+StereoUtil.distortionBitsToString(minimumDistortionBits)+"]]"+
", sensorBits[supported ["+StereoUtil.sensorBitsToString(supportedSensorBits)+"]]]";
}
/** Configuration Name */
public final String name;
public final GenericStereoDeviceConfig.ShutterType shutterType;
public final DimensionImmutable surfaceSizeInPixels;
public final float[] screenSizeInMeters;
/** Texture size per eye */
public final DimensionImmutable[/*pre-eye*/] eyeTextureSizes;
/** Vertical distance from pupil to screen-top in meters */
public final float pupilCenterFromScreenTopInMeters;
/** Horizontal interpupillary distance (IPD) in meters */
public final float interpupillaryDistanceInMeters;
/**
* Pupil center from top left per eye, ranging from [0..1], maybe used to produce FovHVHalves,
* see {@link #getHorizPupilCenterFromLeft(float, float)} and {@link #getVertPupilCenterFromTop(float, float)}.
*/
public final float[/*per-eye*/][/*xy*/] pupilCenterFromTopLeft;
public final int[] eyeRenderOrder;
public final EyeParameter[] defaultEyeParam;
/** Supported sensor bits, see {@link StereoDevice#SENSOR_ORIENTATION}. */
public final int supportedSensorBits;
public final DistortionMesh.Producer distortionMeshProducer;
/** Supported distortion bits, see {@link StereoDeviceRenderer#DISTORTION_BARREL}. */
public final int supportedDistortionBits;
/** Recommended distortion bits, see {@link StereoDeviceRenderer.DISTORTION_BARREL}. */
public final int recommendedDistortionBits;
/** Required distortion bits, see {@link StereoDeviceRenderer.DISTORTION_BARREL}. */
public final int minimumDistortionBits;
private boolean isInitialized = false;
}