The open source OpenXR runtime
d/rift: Add env var to override ICD
DK2 has a fixed IAD way off from my own IOD (and the IAD is the default ICD),
so this env var lets me bring the ICD closer to my actual IOD.
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2428>
+14
+14
src/xrt/drivers/rift/rift_hmd.c
+14
src/xrt/drivers/rift/rift_hmd.c
···
603
603
info.fov[0] = 93;
604
604
info.fov[1] = 93;
605
605
606
+
char *icd_str = getenv("RIFT_OVERRIDE_ICD");
607
+
if (icd_str != NULL) {
608
+
// mm -> meters
609
+
float icd = strtof(icd_str, NULL) / 1000.0f;
610
+
611
+
// 0 is error, and less than zero is invalid
612
+
if (icd > 0.0f) {
613
+
hmd->extra_display_info.icd = icd;
614
+
HMD_INFO(hmd, "Forcing ICD to %f", hmd->extra_display_info.icd);
615
+
} else {
616
+
HMD_ERROR(hmd, "Failed to parse ICD override, expected float in millimeters, got %s", icd_str);
617
+
}
618
+
}
619
+
606
620
if (!u_device_setup_split_side_by_side(&hmd->base, &info)) {
607
621
HMD_ERROR(hmd, "Failed to setup basic device info");
608
622
goto error;