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st/oxr: Return correct value

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When the timeout expires:
1. Don't change the swapchain image index.
2. Return XR_TIMEOUT_EXPIRED.

Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2256>
This commit is contained in:
Weijie Wang 2024-06-20 14:37:40 +08:00 committed by Marge Bot
parent da80ac3f71
commit 9e46337a6a
2 changed files with 29 additions and 4 deletions
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13
src/xrt/state_trackers/oxr/oxr_swapchain.c
View file

@ -222,14 +222,23 @@ XrResult
oxr_swapchain_common_wait(struct oxr_logger *log, struct oxr_swapchain *sc, XrDuration timeout)
{
uint32_t index = UINT32_MAX;
if (u_index_fifo_pop(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_pop: failed!");
if (u_index_fifo_peek(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_peek: failed!");
}
assert(index < INT32_MAX);
struct xrt_swapchain *xsc = (struct xrt_swapchain *)sc->swapchain;
xrt_result_t xret = xrt_swapchain_wait_image(xsc, timeout, index);
if (xret == XRT_TIMEOUT) {
oxr_warn(log, "call to xrt_swapchain_wait_image timeout");
return XR_TIMEOUT_EXPIRED;
}
if (u_index_fifo_pop(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_pop: failed!");
}
OXR_CHECK_XRET(log, sc->sess, xret, xrt_swapchain_wait_image);
// The app can only wait on one image.

16
src/xrt/state_trackers/oxr/oxr_swapchain_vk.c
View file

@ -61,9 +61,16 @@ vk_implicit_wait_image(struct oxr_logger *log, struct oxr_swapchain *sc, const X
CHECK_OXR_RET(oxr_swapchain_verify_wait_state(log, sc));
uint32_t index = UINT32_MAX;
if (!WAIT_IN_ACQUIRE) {
if (u_index_fifo_peek(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_peek: failed!");
}
} else {
if (u_index_fifo_pop(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_pop: failed!");
}
}
assert(index < INT32_MAX);
struct xrt_swapchain *xsc = (struct xrt_swapchain *)sc->swapchain;
@ -73,6 +80,15 @@ vk_implicit_wait_image(struct oxr_logger *log, struct oxr_swapchain *sc, const X
// We have already waited in acquire.
xrt_result_t xret = xrt_swapchain_wait_image(xsc, timeout, index);
if (xret == XRT_TIMEOUT) {
oxr_warn(log, "call to xrt_swapchain_wait_image timeout");
return XR_TIMEOUT_EXPIRED;
}
if (u_index_fifo_pop(&sc->acquired.fifo, &index) != 0) {
return oxr_error(log, XR_ERROR_RUNTIME_FAILURE, "u_index_fifo_pop: failed!");
}
OXR_CHECK_XRET(log, sc->sess, xret, xrt_swapchain_wait_image);
}