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OpenXR calculate FOV as average of both eyes

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Lubos 2022-05-07 19:31:37 +02:00
parent 52799aa99d
commit 65ff5bbd80
1 changed files with 5 additions and 2 deletions
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7
android/app/src/main/cpp/code/vr/vr_renderer.c
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@ -409,14 +409,17 @@ void VR_DrawFrame( engine_t* engine ) {
projections)); projections));
// //
XrFovf fov; XrFovf fov = {};
XrPosef viewTransform[2]; XrPosef viewTransform[2];
for (int eye = 0; eye < ovrMaxNumEyes; eye++) { for (int eye = 0; eye < ovrMaxNumEyes; eye++) {
XrPosef xfHeadFromEye = projections[eye].pose; XrPosef xfHeadFromEye = projections[eye].pose;
XrPosef xfStageFromEye = XrPosef_Multiply(xfStageFromHead, xfHeadFromEye); XrPosef xfStageFromEye = XrPosef_Multiply(xfStageFromHead, xfHeadFromEye);
viewTransform[eye] = XrPosef_Inverse(xfStageFromEye); viewTransform[eye] = XrPosef_Inverse(xfStageFromEye);
fov = projections[eye].fov; fov.angleLeft += projections[eye].fov.angleLeft / 2.0f;
fov.angleRight += projections[eye].fov.angleRight / 2.0f;
fov.angleUp += projections[eye].fov.angleUp / 2.0f;
fov.angleDown += projections[eye].fov.angleDown / 2.0f;
} }
vr.fov_x = (fabs(fov.angleLeft) + fabs(fov.angleRight)) * 180.0f / M_PI; vr.fov_x = (fabs(fov.angleLeft) + fabs(fov.angleRight)) * 180.0f / M_PI;
vr.fov_y = (fabs(fov.angleUp) + fabs(fov.angleDown)) * 180.0f / M_PI; vr.fov_y = (fabs(fov.angleUp) + fabs(fov.angleDown)) * 180.0f / M_PI;