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c/multi: Impelement xrt_compositor_semaphore interfaces

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Jakob Bornecrantz 2022-03-08 15:53:39 +00:00
parent 8a9a8aeeba
commit ca7526a3e2
1 changed files with 58 additions and 0 deletions
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58
src/xrt/compositor/multi/comp_multi_compositor.c
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@ -28,6 +28,7 @@
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#ifdef XRT_GRAPHICS_SYNC_HANDLE_IS_FD
#include <unistd.h>
@ -161,6 +162,19 @@ multi_compositor_import_fence(struct xrt_compositor *xc,
return xrt_comp_import_fence(&mc->msc->xcn->base, handle, out_xcf);
}
static xrt_result_t
multi_compositor_create_semaphore(struct xrt_compositor *xc,
xrt_graphics_sync_handle_t *out_handle,
struct xrt_compositor_semaphore **out_xcsem)
{
COMP_TRACE_MARKER();
struct multi_compositor *mc = multi_compositor(xc);
// We don't wrap the semaphore and it's safe to pass it out directly.
return xrt_comp_create_semaphore(&mc->msc->xcn->base, out_handle, out_xcsem);
}
static xrt_result_t
multi_compositor_begin_session(struct xrt_compositor *xc, enum xrt_view_type type)
{
@ -537,6 +551,48 @@ multi_compositor_layer_commit(struct xrt_compositor *xc, int64_t frame_id, xrt_g
return XRT_SUCCESS;
}
static void
wait_semaphore(struct xrt_compositor_semaphore *xcsem, uint64_t value)
{
COMP_TRACE_MARKER();
xrt_result_t ret = XRT_SUCCESS;
// 100ms
uint64_t timeout_ns = 100 * U_TIME_1MS_IN_NS;
do {
ret = xrt_compositor_semaphore_wait(xcsem, value, timeout_ns);
if (ret != XRT_TIMEOUT) {
break;
}
U_LOG_W("Waiting on client semaphore value '%" PRIu64 "' timed out > 100ms!", value);
} while (true);
}
static xrt_result_t
multi_compositor_layer_commit_with_semaphore(struct xrt_compositor *xc,
int64_t frame_id,
struct xrt_compositor_semaphore *xcsem,
uint64_t value)
{
COMP_TRACE_MARKER();
struct multi_compositor *mc = multi_compositor(xc);
// Wait for the semaphore.
wait_semaphore(xcsem, value);
wait_for_scheduled_free(mc);
uint64_t now_ns = os_monotonic_get_ns();
os_mutex_lock(&mc->msc->list_and_timing_lock);
u_pa_mark_delivered(mc->upa, frame_id, now_ns);
os_mutex_unlock(&mc->msc->list_and_timing_lock);
return XRT_SUCCESS;
}
static xrt_result_t
multi_compositor_poll_events(struct xrt_compositor *xc, union xrt_compositor_event *out_xce)
{
@ -614,6 +670,7 @@ multi_compositor_create(struct multi_system_compositor *msc,
mc->base.base.create_swapchain = multi_compositor_create_swapchain;
mc->base.base.import_swapchain = multi_compositor_import_swapchain;
mc->base.base.import_fence = multi_compositor_import_fence;
mc->base.base.create_semaphore = multi_compositor_create_semaphore;
mc->base.base.begin_session = multi_compositor_begin_session;
mc->base.base.end_session = multi_compositor_end_session;
mc->base.base.predict_frame = multi_compositor_predict_frame;
@ -630,6 +687,7 @@ multi_compositor_create(struct multi_system_compositor *msc,
mc->base.base.layer_equirect1 = multi_compositor_layer_equirect1;
mc->base.base.layer_equirect2 = multi_compositor_layer_equirect2;
mc->base.base.layer_commit = multi_compositor_layer_commit;
mc->base.base.layer_commit_with_semaphore = multi_compositor_layer_commit_with_semaphore;
mc->base.base.destroy = multi_compositor_destroy;
mc->base.base.poll_events = multi_compositor_poll_events;
mc->msc = msc;