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clients/simple-dmabuf-feedback: use time instead of redraws

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Weston uses a timeout of 2 seconds before it sends scanout
tranches to clients in order to not trigger excessive buffer
reallocations in clients.
`simple-dmabuf-feedback` in turn counts redraws (200) before
exiting. That doesn't work on e.g. 144Hz screens, thus use a
timer here as well.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
This commit is contained in:
Robert Mader 2022-05-04 17:57:27 +02:00 committed by Pekka Paalanen
parent 29d480813a
commit 34f7e01c2b
1 changed files with 10 additions and 4 deletions
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14
clients/simple-dmabuf-feedback.c
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@ -32,6 +32,7 @@
#include <stdio.h>
#include <libudev.h>
#include <sys/mman.h>
#include <time.h>
#include "shared/helpers.h"
#include "shared/platform.h"
@ -175,7 +176,6 @@ struct window {
struct wp_presentation_feedback *presentation_feedback;
bool wait_for_configure;
bool presented_zero_copy;
uint32_t n_redraws;
struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback_obj;
struct dmabuf_feedback dmabuf_feedback, pending_dmabuf_feedback;
int card_fd;
@ -689,8 +689,6 @@ redraw(void *data, struct wl_callback *callback, uint32_t time)
window->display->output.height);
wl_surface_set_opaque_region(window->surface, region);
wl_region_destroy(region);
window->n_redraws++;
}
static const struct wl_callback_listener frame_listener = {
@ -1512,6 +1510,9 @@ main(int argc, char **argv)
struct display *display;
struct window *window;
int ret = 0;
struct timespec start_time, current_time;
const time_t MAX_TIME_SECONDS = 3;
time_t delta_time = 0;
fprintf(stderr, "This client was written with the purpose of manually test " \
"Weston's dma-buf feedback implementation. See main() " \
@ -1520,9 +1521,14 @@ main(int argc, char **argv)
display = create_display();
window = create_window(display);
clock_gettime(CLOCK_MONOTONIC, &start_time);
redraw(window, NULL, 0);
while (ret != -1 && window->n_redraws < 200)
while (ret != -1 && delta_time < MAX_TIME_SECONDS) {
ret = wl_display_dispatch(display->display);
clock_gettime(CLOCK_MONOTONIC, &current_time);
delta_time = current_time.tv_sec - start_time.tv_sec;
}
destroy_window(window);
destroy_display(display);