/**
* Copyright 2014 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 jogamp.opengl.oculusvr;
import com.jogamp.nativewindow.util.Dimension;
import com.jogamp.nativewindow.util.DimensionImmutable;
import com.jogamp.nativewindow.util.Point;
import com.jogamp.nativewindow.util.PointImmutable;
import com.jogamp.nativewindow.util.RectangleImmutable;
import com.jogamp.oculusvr.OVR;
import com.jogamp.oculusvr.ovrEyeRenderDesc;
import com.jogamp.oculusvr.ovrFovPort;
import com.jogamp.oculusvr.ovrQuatf;
import com.jogamp.oculusvr.ovrRecti;
import com.jogamp.oculusvr.ovrSizei;
import com.jogamp.oculusvr.ovrVector2f;
import com.jogamp.oculusvr.ovrVector2i;
import com.jogamp.oculusvr.ovrVector3f;
import com.jogamp.opengl.math.FovHVHalves;
import com.jogamp.opengl.math.Quaternion;
import com.jogamp.opengl.util.stereo.StereoDevice;
import com.jogamp.opengl.util.stereo.StereoDeviceRenderer;
/**
* OculusVR Data Conversion Helper Functions
*/
public class OVRUtil {
public static ovrRecti createOVRRecti(final int[] rect) {
final ovrRecti res = ovrRecti.create();
final ovrVector2i pos = res.getPos();
final ovrSizei size = res.getSize();
pos.setX(rect[0]);
pos.setY(rect[1]);
size.setW(rect[2]);
size.setH(rect[3]);
return res;
}
public static ovrRecti createOVRRecti(final RectangleImmutable rect) {
final ovrRecti res = ovrRecti.create();
final ovrVector2i pos = res.getPos();
final ovrSizei size = res.getSize();
pos.setX(rect.getX());
pos.setY(rect.getY());
size.setW(rect.getWidth());
size.setH(rect.getHeight());
return res;
}
public static ovrRecti[] createOVRRectis(final int[][] rects) {
final ovrRecti[] res = new ovrRecti[rects.length];
for(int i=0; i<res.length; i++) {
res[0] = createOVRRecti(rects[i]);
}
return res;
}
public static ovrSizei createOVRSizei(final int[] size) {
final ovrSizei res = ovrSizei.create();
res.setW(size[0]);
res.setH(size[1]);
return res;
}
public static ovrSizei createOVRSizei(final DimensionImmutable size) {
final ovrSizei res = ovrSizei.create();
res.setW(size.getWidth());
res.setH(size.getHeight());
return res;
}
public static DimensionImmutable getOVRSizei(final ovrSizei v) {
return new Dimension(v.getW(), v.getH());
}
public static PointImmutable getVec2iAsPoint(final ovrVector2i v) {
return new Point(v.getX(), v.getY());
}
public static int[] getVec2i(final ovrVector2i v) {
return new int[] { v.getX(), v.getY() };
}
public static void copyVec2iToInt(final ovrVector2i v, final int[] res) {
res[0] = v.getX();
res[1] = v.getY();
}
public static float[] getVec3f(final ovrVector3f v) {
return new float[] { v.getX(), v.getY(), v.getZ() };
}
public static void copyVec3fToFloat(final ovrVector3f v, final float[] res) {
res[0] = v.getX();
res[1] = v.getY();
res[2] = v.getZ();
}
public static Quaternion getQuaternion(final ovrQuatf q) {
return new Quaternion(q.getX(), q.getY(), q.getZ(), q.getW());
}
public static void copyToQuaternion(final ovrQuatf in, final Quaternion out) {
out.set(in.getX(), in.getY(), in.getZ(), in.getW());
}
public static FovHVHalves getFovHV(final ovrFovPort tanHalfFov) {
return new FovHVHalves(tanHalfFov.getLeftTan(), tanHalfFov.getRightTan(),
tanHalfFov.getUpTan(), tanHalfFov.getDownTan(),
true);
}
public static ovrFovPort getOVRFovPort(final FovHVHalves fovHVHalves) {
final ovrFovPort tanHalfFov = ovrFovPort.create();
final FovHVHalves fovHVHalvesTan = fovHVHalves.toTangents();
tanHalfFov.setLeftTan(fovHVHalvesTan.left);
tanHalfFov.setRightTan(fovHVHalvesTan.right);
tanHalfFov.setUpTan(fovHVHalvesTan.top);
tanHalfFov.setDownTan(fovHVHalvesTan.bottom);
return tanHalfFov;
}
public static int ovrDistCaps2DistBits(final int ovrDistortionCaps) {
int bits = StereoDeviceRenderer.DISTORTION_BARREL;
if( 0 != ( OVR.ovrDistortionCap_TimeWarp & ovrDistortionCaps ) ) {
bits |= StereoDeviceRenderer.DISTORTION_TIMEWARP;
}
if( 0 != ( OVR.ovrDistortionCap_Chromatic & ovrDistortionCaps ) ) {
bits |= StereoDeviceRenderer.DISTORTION_CHROMATIC;
}
if( 0 != ( OVR.ovrDistortionCap_Vignette & ovrDistortionCaps ) ) {
bits |= StereoDeviceRenderer.DISTORTION_VIGNETTE;
}
return bits;
}
public static int ovrTrackingCaps2SensorBits(final int ovrTrackingCaps) {
int bits = 0;
if( 0 != ( OVR.ovrTrackingCap_Orientation & ovrTrackingCaps ) ) {
bits |= StereoDevice.SENSOR_ORIENTATION;
}
if( 0 != ( OVR.ovrTrackingCap_MagYawCorrection & ovrTrackingCaps ) ) {
bits |= StereoDevice.SENSOR_YAW_CORRECTION;
}
if( 0 != ( OVR.ovrTrackingCap_Position & ovrTrackingCaps ) ) {
bits |= StereoDevice.SENSOR_POSITION;
}
return bits;
}
public static int ovrTrackingStats2SensorBits(final int ovrTrackingCaps) {
int bits = 0;
if( 0 != ( OVR.ovrStatus_OrientationTracked & ovrTrackingCaps ) ) {
bits |= StereoDevice.SENSOR_ORIENTATION;
}
if( 0 != ( OVR.ovrStatus_PositionTracked & ovrTrackingCaps ) ) {
bits |= StereoDevice.SENSOR_POSITION;
}
return bits;
}
public static int sensorBits2TrackingCaps(final int sensorBits) {
int caps = 0;
if( 0 != ( StereoDevice.SENSOR_ORIENTATION & sensorBits ) ) {
caps |= OVR.ovrTrackingCap_Orientation;
}
if( 0 != ( StereoDevice.SENSOR_YAW_CORRECTION & sensorBits ) ) {
caps |= OVR.ovrTrackingCap_MagYawCorrection;
}
if( 0 != ( StereoDevice.SENSOR_POSITION & sensorBits ) ) {
caps |= OVR.ovrTrackingCap_Position;
}
return caps;
}
public static String toString(final ovrFovPort fov) {
return "["+fov.getLeftTan()+" l, "+fov.getRightTan()+" r, "+
fov.getUpTan()+" u, "+fov.getDownTan()+" d]";
}
public static String toString(final ovrSizei rect) {
return "["+rect.getW()+" x "+rect.getH()+"]";
}
public static String toString(final ovrRecti rect) {
return "["+rect.getPos().getX()+" / "+rect.getPos().getY()+" "+
rect.getSize().getW()+" x "+rect.getSize().getH()+"]";
}
public static String toString(final ovrVector2f v2) {
return "["+v2.getX()+", "+v2.getY()+"]";
}
public static String toString(final ovrVector3f v3) {
return "["+v3.getX()+", "+v3.getY()+", "+v3.getZ()+"]";
}
public static String toString(final ovrEyeRenderDesc desc) {
return "["+desc.getEye()+", fov"+toString(desc.getFov())+
", viewport"+toString(desc.getDistortedViewport())+
", pptCtr"+toString(desc.getPixelsPerTanAngleAtCenter())+
", view-adjust"+toString(desc.getHmdToEyeViewOffset())+"]";
}
}