diff options
Diffstat (limited to 'backend')
| -rw-r--r-- | backend/wayland/backend.c | 7 | ||||
| -rw-r--r-- | backend/wayland/output.c | 87 |
2 files changed, 89 insertions, 5 deletions
diff --git a/backend/wayland/backend.c b/backend/wayland/backend.c index 14db4d72..c23be048 100644 --- a/backend/wayland/backend.c +++ b/backend/wayland/backend.c @@ -19,6 +19,7 @@ #include "util/signal.h" #include "linux-dmabuf-unstable-v1-client-protocol.h" #include "pointer-gestures-unstable-v1-client-protocol.h" +#include "presentation-time-client-protocol.h" #include "xdg-decoration-unstable-v1-client-protocol.h" #include "xdg-shell-client-protocol.h" #include "tablet-unstable-v2-client-protocol.h" @@ -108,6 +109,9 @@ static void registry_global(void *data, struct wl_registry *registry, } else if (strcmp(iface, zwp_pointer_gestures_v1_interface.name) == 0) { wl->zwp_pointer_gestures_v1 = wl_registry_bind(registry, name, &zwp_pointer_gestures_v1_interface, 1); + } else if (strcmp(iface, wp_presentation_interface.name) == 0) { + wl->presentation = wl_registry_bind(registry, name, + &wp_presentation_interface, 1); } else if (strcmp(iface, zwp_tablet_manager_v2_interface.name) == 0) { wl->tablet_manager = wl_registry_bind(registry, name, &zwp_tablet_manager_v2_interface, 1); @@ -202,6 +206,9 @@ static void backend_destroy(struct wlr_backend *backend) { if (wl->zwp_pointer_gestures_v1) { zwp_pointer_gestures_v1_destroy(wl->zwp_pointer_gestures_v1); } + if (wl->presentation) { + wp_presentation_destroy(wl->presentation); + } if (wl->zwp_linux_dmabuf_v1) { zwp_linux_dmabuf_v1_destroy(wl->zwp_linux_dmabuf_v1); } diff --git a/backend/wayland/output.c b/backend/wayland/output.c index 808d147a..5d3a5ff5 100644 --- a/backend/wayland/output.c +++ b/backend/wayland/output.c @@ -17,6 +17,7 @@ #include "backend/wayland.h" #include "util/signal.h" #include "linux-dmabuf-unstable-v1-client-protocol.h" +#include "presentation-time-client-protocol.h" #include "xdg-decoration-unstable-v1-client-protocol.h" #include "xdg-shell-client-protocol.h" @@ -26,8 +27,6 @@ static struct wlr_wl_output *get_wl_output_from_output( return (struct wlr_wl_output *)wlr_output; } -static struct wl_callback_listener frame_listener; - static void surface_frame_callback(void *data, struct wl_callback *cb, uint32_t time) { struct wlr_wl_output *output = data; @@ -38,10 +37,60 @@ static void surface_frame_callback(void *data, struct wl_callback *cb, wlr_output_send_frame(&output->wlr_output); } -static struct wl_callback_listener frame_listener = { +static const struct wl_callback_listener frame_listener = { .done = surface_frame_callback }; +static void presentation_feedback_destroy( + struct wlr_wl_presentation_feedback *feedback) { + wl_list_remove(&feedback->link); + wp_presentation_feedback_destroy(feedback->feedback); + free(feedback); +} + +static void presentation_feedback_handle_sync_output(void *data, + struct wp_presentation_feedback *feedback, struct wl_output *output) { + // This space is intentionally left blank +} + +static void presentation_feedback_handle_presented(void *data, + struct wp_presentation_feedback *wp_feedback, uint32_t tv_sec_hi, + uint32_t tv_sec_lo, uint32_t tv_nsec, uint32_t refresh_ns, + uint32_t seq_hi, uint32_t seq_lo, uint32_t flags) { + struct wlr_wl_presentation_feedback *feedback = data; + + struct timespec t = { + .tv_sec = ((uint64_t)tv_sec_hi << 32) | tv_sec_lo, + .tv_nsec = tv_nsec, + }; + struct wlr_output_event_present event = { + .commit_seq = feedback->commit_seq, + .when = &t, + .seq = ((uint64_t)seq_hi << 32) | seq_lo, + .refresh = refresh_ns, + .flags = flags, + }; + wlr_output_send_present(&feedback->output->wlr_output, &event); + + presentation_feedback_destroy(feedback); +} + +static void presentation_feedback_handle_discarded(void *data, + struct wp_presentation_feedback *wp_feedback) { + struct wlr_wl_presentation_feedback *feedback = data; + + wlr_output_send_present(&feedback->output->wlr_output, NULL); + + presentation_feedback_destroy(feedback); +} + +static const struct wp_presentation_feedback_listener + presentation_feedback_listener = { + .sync_output = presentation_feedback_handle_sync_output, + .presented = presentation_feedback_handle_presented, + .discarded = presentation_feedback_handle_discarded, +}; + static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width, int32_t height, int32_t refresh) { struct wlr_wl_output *output = get_wl_output_from_output(wlr_output); @@ -137,6 +186,12 @@ static bool output_commit(struct wlr_output *wlr_output) { output->current_wl_buffer = NULL; } + struct wp_presentation_feedback *wp_feedback = NULL; + if (output->backend->presentation != NULL) { + wp_feedback = wp_presentation_feedback(output->backend->presentation, + output->surface); + } + assert(wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER); switch (wlr_output->pending.buffer_type) { case WLR_OUTPUT_STATE_BUFFER_RENDER: @@ -167,8 +222,23 @@ static bool output_commit(struct wlr_output *wlr_output) { break; } - // TODO: if available, use the presentation-time protocol - wlr_output_send_present(wlr_output, NULL); + if (wp_feedback != NULL) { + struct wlr_wl_presentation_feedback *feedback = + calloc(1, sizeof(*feedback)); + if (feedback == NULL) { + wp_presentation_feedback_destroy(wp_feedback); + return false; + } + feedback->output = output; + feedback->feedback = wp_feedback; + feedback->commit_seq = output->wlr_output.commit_seq + 1; + wl_list_insert(&output->presentation_feedbacks, &feedback->link); + + wp_presentation_feedback_add_listener(wp_feedback, + &presentation_feedback_listener, feedback); + } else { + wlr_output_send_present(wlr_output, NULL); + } return true; } @@ -267,6 +337,12 @@ static void output_destroy(struct wlr_output *wlr_output) { wl_callback_destroy(output->frame_callback); } + struct wlr_wl_presentation_feedback *feedback, *feedback_tmp; + wl_list_for_each_safe(feedback, feedback_tmp, + &output->presentation_feedbacks, link) { + presentation_feedback_destroy(feedback); + } + wlr_egl_destroy_surface(&output->backend->egl, output->egl_surface); wl_egl_window_destroy(output->egl_window); if (output->zxdg_toplevel_decoration_v1) { @@ -383,6 +459,7 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *wlr_backend) { ++backend->last_output_num); output->backend = backend; + wl_list_init(&output->presentation_feedbacks); output->surface = wl_compositor_create_surface(backend->compositor); if (!output->surface) { |