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libweston: use weston_compositor::backend_list instead of ::backend

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In preparation for multi-backend support, start/flush/cancel repaint on
all backends by looping over the weston_compositor::backend_list.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2021-03-11 15:45:48 +01:00 committed by Derek Foreman
parent 76372375ab
commit 183c309b85
1 changed files with 24 additions and 11 deletions
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35
libweston/compositor.c
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@ -3530,6 +3530,7 @@ static int
output_repaint_timer_handler(void *data)
{
struct weston_compositor *compositor = data;
struct weston_backend *backend;
struct weston_output *output;
struct timespec now;
int ret = 0;
@ -3537,8 +3538,10 @@ output_repaint_timer_handler(void *data)
weston_compositor_read_presentation_clock(compositor, &now);
compositor->last_repaint_start = now;
if (compositor->backend->repaint_begin)
compositor->backend->repaint_begin(compositor->backend);
wl_list_for_each(backend, &compositor->backend_list, link) {
if (backend->repaint_begin)
backend->repaint_begin(backend);
}
wl_list_for_each(output, &compositor->output_list, link) {
ret = weston_output_maybe_repaint(output, &now);
@ -3547,11 +3550,15 @@ output_repaint_timer_handler(void *data)
}
if (ret == 0) {
if (compositor->backend->repaint_flush)
ret = compositor->backend->repaint_flush(compositor->backend);
wl_list_for_each(backend, &compositor->backend_list, link) {
if (backend->repaint_flush)
ret = backend->repaint_flush(backend);
}
} else {
if (compositor->backend->repaint_cancel)
compositor->backend->repaint_cancel(compositor->backend);
wl_list_for_each(backend, &compositor->backend_list, link) {
if (backend->repaint_cancel)
backend->repaint_cancel(backend);
}
}
if (ret != 0) {
@ -9136,7 +9143,8 @@ weston_compositor_set_presentation_clock(struct weston_compositor *compositor,
WL_EXPORT int
weston_compositor_backends_loaded(struct weston_compositor *compositor)
{
struct weston_backend *backend = compositor->backend;
struct weston_backend *backend =
wl_container_of(compositor->backend_list.next, backend, link);
uint32_t supported_clocks = backend->supported_presentation_clocks;
if (weston_compositor_set_presentation_clock(compositor,
@ -9236,12 +9244,17 @@ WL_EXPORT bool
weston_compositor_dmabuf_can_scanout(struct weston_compositor *compositor,
struct linux_dmabuf_buffer *buffer)
{
struct weston_backend *backend = compositor->backend;
struct weston_backend *backend;
if (backend->can_scanout_dmabuf == NULL)
return false;
wl_list_for_each(backend, &compositor->backend_list, link) {
if (backend->can_scanout_dmabuf == NULL)
return false;
return backend->can_scanout_dmabuf(backend, buffer);
if (!backend->can_scanout_dmabuf(backend, buffer))
return false;
}
return true;
}
WL_EXPORT void