private void UpdateProfile()
{
GetProfile(profileData);
CardboardProfile.Device device = new CardboardProfile.Device();
CardboardProfile.Screen screen = new CardboardProfile.Screen();
device.maxFOV.outer = profileData[0];
device.maxFOV.upper = profileData[1];
device.maxFOV.inner = profileData[2];
device.maxFOV.lower = profileData[3];
screen.width = profileData[4];
screen.height = profileData[5];
screen.border = profileData[6];
device.lenses.separation = profileData[7];
device.lenses.offset = profileData[8];
device.lenses.screenDistance = profileData[9];
device.lenses.alignment = (int)profileData[10];
device.distortion.Coef = new [] { profileData[11], profileData[12] };
Profile.screen = screen;
Profile.device = device;
float[] rect = new float[4];
Profile.GetLeftEyeNoLensTanAngles(rect);
float maxRadius = CardboardProfile.GetMaxRadius(rect);
Profile.device.inverse = CardboardProfile.ApproximateInverse(
Profile.device.distortion, maxRadius);
}
private void SetShaderGlobals()
{
// For any shaders that want to use these numbers for distortion correction. But only
// if distortion correction is needed, yet not already being handled by another method.
if (Cardboard.SDK.VRModeEnabled &&
Cardboard.SDK.DistortionCorrection == Cardboard.DistortionCorrectionMethod.None)
{
CardboardProfile p = Cardboard.SDK.Profile;
// Distortion vertex shader currently setup for only 6 coefficients.
if (p.device.inverse.Coef.Length > 6)
{
Debug.LogWarning("Inverse distortion correction has more than 6 coefficents. "
+ "Shader only supports 6.");
}
Matrix4x4 mat = new Matrix4x4()
{
};
for (int i = 0; i < p.device.inverse.Coef.Length; i++)
{
mat[i] = p.device.inverse.Coef[i];
}
Shader.SetGlobalMatrix("_Undistortion", mat);
float[] rect = new float[4];
p.GetLeftEyeVisibleTanAngles(rect);
float r = CardboardProfile.GetMaxRadius(rect);
Shader.SetGlobalFloat("_MaxRadSq", r * r);
}
}
private void SetShaderGlobals()
{
// For any shaders that want to use these numbers for distortion correction.
CardboardProfile p = Cardboard.SDK.Profile;
Shader.SetGlobalVector("_Undistortion",
new Vector4(p.device.inverse.k1, p.device.inverse.k2));
Shader.SetGlobalVector("_Distortion",
new Vector4(p.device.distortion.k1, p.device.distortion.k2));
float[] rect = new float[4];
p.GetLeftEyeVisibleTanAngles(rect);
float r = CardboardProfile.GetMaxRadius(rect);
Shader.SetGlobalFloat("_MaxRadSq", r * r);
}
