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weston/tests/presentation-test.c

238 lines
5.6 KiB

/*
* Copyright © 2014 Collabora, Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <time.h>
#include "weston-test-client-helper.h"
#include "presentation_timing-client-protocol.h"
static struct presentation *
get_presentation(struct client *client)
{
struct global *g;
struct global *global_pres = NULL;
static struct presentation *pres;
if (pres)
return pres;
wl_list_for_each(g, &client->global_list, link) {
if (strcmp(g->interface, "presentation"))
continue;
if (global_pres)
assert(0 && "multiple presentation objects");
global_pres = g;
}
assert(global_pres && "no presentation found");
assert(global_pres->version == 1);
pres = wl_registry_bind(client->wl_registry, global_pres->name,
&presentation_interface, 1);
assert(pres);
return pres;
}
struct feedback {
struct client *client;
struct presentation_feedback *obj;
enum {
FB_PENDING = 0,
FB_PRESENTED,
FB_DISCARDED
} result;
struct wl_output *sync_output;
uint64_t seq;
struct timespec time;
uint32_t refresh_nsec;
uint32_t flags;
};
static void
timespec_from_proto(struct timespec *tm, uint32_t tv_sec_hi,
uint32_t tv_sec_lo, uint32_t tv_nsec)
{
tm->tv_sec = ((uint64_t)tv_sec_hi << 32) + tv_sec_lo;
tm->tv_nsec = tv_nsec;
}
static void
feedback_sync_output(void *data,
struct presentation_feedback *presentation_feedback,
struct wl_output *output)
{
struct feedback *fb = data;
assert(fb->result == FB_PENDING);
if (output)
fb->sync_output = output;
}
static void
feedback_presented(void *data,
struct presentation_feedback *presentation_feedback,
uint32_t tv_sec_hi,
uint32_t tv_sec_lo,
uint32_t tv_nsec,
uint32_t refresh_nsec,
uint32_t seq_hi,
uint32_t seq_lo,
uint32_t flags)
{
struct feedback *fb = data;
assert(fb->result == FB_PENDING);
fb->result = FB_PRESENTED;
fb->seq = ((uint64_t)seq_hi << 32) + seq_lo;
timespec_from_proto(&fb->time, tv_sec_hi, tv_sec_lo, tv_nsec);
fb->refresh_nsec = refresh_nsec;
fb->flags = flags;
}
static void
feedback_discarded(void *data,
struct presentation_feedback *presentation_feedback)
{
struct feedback *fb = data;
assert(fb->result == FB_PENDING);
fb->result = FB_DISCARDED;
}
static const struct presentation_feedback_listener feedback_listener = {
feedback_sync_output,
feedback_presented,
feedback_discarded
};
static struct feedback *
feedback_create(struct client *client, struct wl_surface *surface)
{
struct feedback *fb;
fb = xzalloc(sizeof *fb);
fb->client = client;
fb->obj = presentation_feedback(get_presentation(client), surface);
presentation_feedback_add_listener(fb->obj, &feedback_listener, fb);
return fb;
}
static void
feedback_wait(struct feedback *fb)
{
while (fb->result == FB_PENDING) {
assert(wl_display_dispatch(fb->client->wl_display) >= 0);
}
}
static char *
pflags_to_str(uint32_t flags, char *str, unsigned len)
{
static const struct {
uint32_t flag;
char sym;
} desc[] = {
{ PRESENTATION_FEEDBACK_KIND_VSYNC, 's' },
{ PRESENTATION_FEEDBACK_KIND_HW_CLOCK, 'c' },
{ PRESENTATION_FEEDBACK_KIND_HW_COMPLETION, 'e' },
{ PRESENTATION_FEEDBACK_KIND_ZERO_COPY, 'z' },
};
unsigned i;
*str = '\0';
if (len < ARRAY_LENGTH(desc) + 1)
return str;
for (i = 0; i < ARRAY_LENGTH(desc); i++)
str[i] = flags & desc[i].flag ? desc[i].sym : '_';
str[ARRAY_LENGTH(desc)] = '\0';
return str;
}
static void
feedback_print(struct feedback *fb)
{
char str[10];
switch (fb->result) {
case FB_PENDING:
printf("pending");
return;
case FB_DISCARDED:
printf("discarded");
return;
case FB_PRESENTED:
break;
}
pflags_to_str(fb->flags, str, sizeof str);
printf("presented %lld.%09lld, refresh %u us, [%s] seq %" PRIu64,
(long long)fb->time.tv_sec, (long long)fb->time.tv_nsec,
fb->refresh_nsec / 1000, str, fb->seq);
}
static void
feedback_destroy(struct feedback *fb)
{
presentation_feedback_destroy(fb->obj);
free(fb);
}
TEST(test_presentation_feedback_simple)
{
struct client *client;
struct feedback *fb;
client = create_client_and_test_surface(100, 50, 123, 77);
assert(client);
wl_surface_attach(client->surface->wl_surface,
client->surface->wl_buffer, 0, 0);
fb = feedback_create(client, client->surface->wl_surface);
wl_surface_damage(client->surface->wl_surface, 0, 0, 100, 100);
wl_surface_commit(client->surface->wl_surface);
client_roundtrip(client);
feedback_wait(fb);
printf("%s feedback:", __func__);
feedback_print(fb);
printf("\n");
feedback_destroy(fb);
}