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Java™ Binding for the OpenGL® API
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/**
* 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.PointImmutable;
import com.jogamp.nativewindow.util.Rectangle;
import com.jogamp.nativewindow.util.RectangleImmutable;
import com.jogamp.oculusvr.OVR;
import com.jogamp.oculusvr.OvrHmdContext;
import com.jogamp.oculusvr.ovrEyeRenderDesc;
import com.jogamp.oculusvr.ovrFovPort;
import com.jogamp.oculusvr.ovrHmdDesc;
import com.jogamp.oculusvr.ovrSizei;
import com.jogamp.oculusvr.ovrTrackingState;
import com.jogamp.opengl.math.FovHVHalves;
import com.jogamp.opengl.math.geom.Frustum;
import com.jogamp.opengl.util.stereo.LocationSensorParameter;
import com.jogamp.opengl.util.stereo.StereoDevice;
import com.jogamp.opengl.util.stereo.StereoDeviceFactory;
import com.jogamp.opengl.util.stereo.StereoDeviceRenderer;
import com.jogamp.opengl.util.stereo.StereoUtil;
public class OVRStereoDevice implements StereoDevice {
/** 1.6 up, 5 forward */
private static final float[] DEFAULT_EYE_POSITION_OFFSET = { 0.0f, 1.6f, -5.0f };
private final StereoDeviceFactory factory;
public final int deviceIndex;
private final FovHVHalves[] defaultEyeFov;
public ovrHmdDesc hmdDesc;
public OvrHmdContext handle;
private final int supportedSensorBits;
private int usedSensorBits;
private boolean sensorsStarted = false;
private final int[] eyeRenderOrder;
private final int supportedDistortionBits, recommendedDistortionBits, minimumDistortionBits;
private final String deviceName;
private final DimensionImmutable resolution;
private final int requiredRotation;
private final PointImmutable position;
private final int dkVersion;
private final LocationSensorParameter locationSensorParams;
public OVRStereoDevice(final StereoDeviceFactory factory, final ovrHmdDesc hmdDesc, final int deviceIndex) {
if( null == hmdDesc ) {
throw new IllegalArgumentException("Passed null hmdDesc");
}
final OvrHmdContext nativeContext = hmdDesc.getHandle();
if( null == nativeContext ) {
throw new IllegalArgumentException("hmdDesc has null OvrHmdContext");
}
this.factory = factory;
this.handle = nativeContext;
this.deviceIndex = deviceIndex;
this.hmdDesc = hmdDesc;
final ovrFovPort[] defaultOVREyeFov = hmdDesc.getDefaultEyeFov(0, new ovrFovPort[ovrHmdDesc.getEyeRenderOrderArrayLength()]);
defaultEyeFov = new FovHVHalves[defaultOVREyeFov.length];
for(int i=0; i now["+StereoUtil.sensorBitsToString(usedSensorBits)+"]");
}
}
}
@Override
public final boolean startSensors(final int desiredSensorBits, final int requiredSensorBits) {
if( isValid() && !sensorsStarted ) {
if( requiredSensorBits != ( supportedSensorBits & requiredSensorBits ) ) {
// required sensors not available
if( StereoDevice.DEBUG ) {
System.err.println("XXX: startSensors failed: n/a required sensors ["+StereoUtil.sensorBitsToString(requiredSensorBits)+"]");
}
return false;
}
if( 0 == ( supportedSensorBits & ( requiredSensorBits | desiredSensorBits ) ) ) {
// no sensors available
if( StereoDevice.DEBUG ) {
System.err.println("XXX: startSensors failed: n/a any sensors");
}
return false;
}
// Start the sensor which provides the Rift’s pose and motion.
final int requiredTrackingCaps = OVRUtil.sensorBits2TrackingCaps(requiredSensorBits);
final int desiredTrackingCaps = requiredTrackingCaps | OVRUtil.sensorBits2TrackingCaps(desiredSensorBits);
final boolean res;
if( OVR.ovrHmd_ConfigureTracking(hmdDesc, desiredTrackingCaps, requiredTrackingCaps) ) {
sensorsStarted = true;
updateUsedSensorBits(OVR.ovrHmd_GetTrackingState(hmdDesc, 0.0));
res = true;
} else {
res = false;
}
if( StereoDevice.DEBUG ) {
System.err.println("XXX: startSensors: "+res+", started "+sensorsStarted+
": required["+StereoUtil.sensorBitsToString(requiredSensorBits)+"]"+
", desired["+StereoUtil.sensorBitsToString(desiredSensorBits)+"]"+
", enabled["+StereoUtil.sensorBitsToString(usedSensorBits)+"]");
}
return res;
} else {
// No state change -> Success
return true;
}
}
@Override
public final boolean stopSensors() {
if( isValid() && sensorsStarted ) {
OVR.ovrHmd_ConfigureTracking(hmdDesc, 0, 0); // STOP
sensorsStarted = false;
usedSensorBits = 0;
return true;
} else {
// No state change -> Success
return true;
}
}
@Override
public final boolean getSensorsStarted() { return sensorsStarted; }
@Override
public final int getSupportedSensorBits() {
return supportedSensorBits;
}
@Override
public final int getEnabledSensorBits() {
return usedSensorBits;
}
@Override
public final int[] getEyeRenderOrder() {
return eyeRenderOrder;
}
@Override
public final int getSupportedDistortionBits() {
return supportedDistortionBits;
};
@Override
public final int getRecommendedDistortionBits() {
return recommendedDistortionBits;
}
@Override
public final int getMinimumDistortionBits() {
return minimumDistortionBits;
}
@Override
public final StereoDeviceRenderer createRenderer(final int distortionBits,
final int textureCount, final float[] eyePositionOffset,
final FovHVHalves[] eyeFov, final float pixelsPerDisplayPixel, final int textureUnit) {
final ovrFovPort ovrEyeFov0 = OVRUtil.getOVRFovPort(eyeFov[0]);
final ovrFovPort ovrEyeFov1 = OVRUtil.getOVRFovPort(eyeFov[1]);
final ovrEyeRenderDesc[] eyeRenderDesc = new ovrEyeRenderDesc[2];
eyeRenderDesc[0] = OVR.ovrHmd_GetRenderDesc(hmdDesc, OVR.ovrEye_Left, ovrEyeFov0);
eyeRenderDesc[1] = OVR.ovrHmd_GetRenderDesc(hmdDesc, OVR.ovrEye_Right, ovrEyeFov1);
if( StereoDevice.DEBUG ) {
System.err.println("XXX: eyeRenderDesc[0] "+OVRUtil.toString(eyeRenderDesc[0]));
System.err.println("XXX: eyeRenderDesc[1] "+OVRUtil.toString(eyeRenderDesc[1]));
}
final DimensionImmutable eye0TextureSize = OVRUtil.getOVRSizei(OVR.ovrHmd_GetFovTextureSize(hmdDesc, OVR.ovrEye_Left, eyeRenderDesc[0].getFov(), pixelsPerDisplayPixel));
final DimensionImmutable eye1TextureSize = OVRUtil.getOVRSizei(OVR.ovrHmd_GetFovTextureSize(hmdDesc, OVR.ovrEye_Right, eyeRenderDesc[1].getFov(), pixelsPerDisplayPixel));
if( StereoDevice.DEBUG ) {
System.err.println("XXX: recommenedTex0Size "+eye0TextureSize);
System.err.println("XXX: recommenedTex1Size "+eye1TextureSize);
}
// final int maxWidth = Math.max(eye0TextureSize.getWidth(), eye1TextureSize.getWidth());
final int maxHeight = Math.max(eye0TextureSize.getHeight(), eye1TextureSize.getHeight());
final DimensionImmutable[] eyeTextureSizes = new DimensionImmutable[] { eye0TextureSize, eye1TextureSize };
final DimensionImmutable totalTextureSize = new Dimension(eye0TextureSize.getWidth() + eye1TextureSize.getWidth(), maxHeight);
if( StereoDevice.DEBUG ) {
System.err.println("XXX: textureSize Single "+eyeTextureSizes);
System.err.println("XXX: textureSize Total "+totalTextureSize);
}
final RectangleImmutable[] eyeViewports = new RectangleImmutable[2];
if( 1 == textureCount ) { // validated in ctor below!
// one big texture/FBO, viewport to target space
eyeViewports[0] = new Rectangle(0, 0,
eye0TextureSize.getWidth(),
maxHeight);
eyeViewports[1] = new Rectangle(eye0TextureSize.getWidth(), 0,
eye1TextureSize.getWidth(),
maxHeight);
} else {
// two textures/FBOs w/ postprocessing, which renders textures/FBOs into target space
eyeViewports[0] = new Rectangle(0, 0,
eye0TextureSize.getWidth(),
eye0TextureSize.getHeight());
eyeViewports[1] = new Rectangle(0, 0,
eye1TextureSize.getWidth(),
eye1TextureSize.getHeight());
}
return new OVRStereoDeviceRenderer(this, distortionBits, textureCount, eyePositionOffset,
eyeRenderDesc, eyeTextureSizes, totalTextureSize, eyeViewports, textureUnit);
}
}