diff options
Diffstat (limited to 'include/wlr')
| -rw-r--r-- | include/wlr/backend.h | 4 | ||||
| -rw-r--r-- | include/wlr/backend/interface.h | 2 | ||||
| -rw-r--r-- | include/wlr/interfaces/wlr_output.h | 2 | ||||
| -rw-r--r-- | include/wlr/types/meson.build | 9 | ||||
| -rw-r--r-- | include/wlr/types/wlr_output.h | 32 | ||||
| -rw-r--r-- | include/wlr/types/wlr_presentation_time.h | 59 |
6 files changed, 104 insertions, 4 deletions
diff --git a/include/wlr/backend.h b/include/wlr/backend.h index dfb8d2a8..54f2b5e8 100644 --- a/include/wlr/backend.h +++ b/include/wlr/backend.h @@ -62,5 +62,9 @@ struct wlr_renderer *wlr_backend_get_renderer(struct wlr_backend *backend); * Might return NULL for backends that don't use a session. */ struct wlr_session *wlr_backend_get_session(struct wlr_backend *backend); +/** + * Returns the clock used by the backend for presentation feedback. + */ +clockid_t wlr_backend_get_presentation_clock(struct wlr_backend *backend); #endif diff --git a/include/wlr/backend/interface.h b/include/wlr/backend/interface.h index 2c300709..4a6a5cbb 100644 --- a/include/wlr/backend/interface.h +++ b/include/wlr/backend/interface.h @@ -10,6 +10,7 @@ #define WLR_BACKEND_INTERFACE_H #include <stdbool.h> +#include <time.h> #include <wlr/backend.h> #include <wlr/render/egl.h> @@ -18,6 +19,7 @@ struct wlr_backend_impl { void (*destroy)(struct wlr_backend *backend); struct wlr_renderer *(*get_renderer)(struct wlr_backend *backend); struct wlr_session *(*get_session)(struct wlr_backend *backend); + clockid_t (*get_presentation_clock)(struct wlr_backend *backend); }; /** diff --git a/include/wlr/interfaces/wlr_output.h b/include/wlr/interfaces/wlr_output.h index bfb3bc9d..52581768 100644 --- a/include/wlr/interfaces/wlr_output.h +++ b/include/wlr/interfaces/wlr_output.h @@ -45,5 +45,7 @@ void wlr_output_update_enabled(struct wlr_output *output, bool enabled); void wlr_output_update_needs_swap(struct wlr_output *output); void wlr_output_damage_whole(struct wlr_output *output); void wlr_output_send_frame(struct wlr_output *output); +void wlr_output_send_present(struct wlr_output *output, + struct wlr_output_event_present *event); #endif diff --git a/include/wlr/types/meson.build b/include/wlr/types/meson.build index 6a8955c3..7a02c3da 100644 --- a/include/wlr/types/meson.build +++ b/include/wlr/types/meson.build @@ -5,10 +5,10 @@ install_headers( 'wlr_cursor.h', 'wlr_data_device.h', 'wlr_export_dmabuf_v1.h', - 'wlr_gamma_control.h', 'wlr_gamma_control_v1.h', - 'wlr_idle.h', + 'wlr_gamma_control.h', 'wlr_idle_inhibit_v1.h', + 'wlr_idle.h', 'wlr_input_device.h', 'wlr_input_inhibitor.h', 'wlr_keyboard.h', @@ -16,10 +16,11 @@ install_headers( 'wlr_linux_dmabuf_v1.h', 'wlr_list.h', 'wlr_matrix.h', - 'wlr_output.h', 'wlr_output_damage.h', 'wlr_output_layout.h', + 'wlr_output.h', 'wlr_pointer.h', + 'wlr_presentation_time.h', 'wlr_primary_selection.h', 'wlr_region.h', 'wlr_screencopy_v1.h', @@ -36,7 +37,7 @@ install_headers( 'wlr_xcursor_manager.h', 'wlr_xdg_decoration_v1.h', 'wlr_xdg_output_v1.h', - 'wlr_xdg_shell.h', 'wlr_xdg_shell_v6.h', + 'wlr_xdg_shell.h', subdir: 'wlr/types', ) diff --git a/include/wlr/types/wlr_output.h b/include/wlr/types/wlr_output.h index 96394ba4..9ccfbbb5 100644 --- a/include/wlr/types/wlr_output.h +++ b/include/wlr/types/wlr_output.h @@ -88,9 +88,15 @@ struct wlr_output { float transform_matrix[9]; struct { + // Request to render a frame struct wl_signal frame; + // Emitted when buffers need to be swapped (because software cursors or + // fullscreen damage or because of backend-specific logic) struct wl_signal needs_swap; + // Emitted right before buffer swap struct wl_signal swap_buffers; // wlr_output_event_swap_buffers + // Emitted right after the buffer has been presented to the user + struct wl_signal present; // wlr_output_event_present struct wl_signal enable; struct wl_signal mode; struct wl_signal scale; @@ -123,6 +129,32 @@ struct wlr_output_event_swap_buffers { pixman_region32_t *damage; }; +enum wlr_output_present_flag { + // The presentation was synchronized to the "vertical retrace" by the + // display hardware such that tearing does not happen. + WLR_OUTPUT_PRESENT_VSYNC = 0x1, + // The display hardware provided measurements that the hardware driver + // converted into a presentation timestamp. + WLR_OUTPUT_PRESENT_HW_CLOCK = 0x2, + // The display hardware signalled that it started using the new image + // content. + WLR_OUTPUT_PRESENT_HW_COMPLETION = 0x4, + // The presentation of this update was done zero-copy. + WLR_OUTPUT_PRESENT_ZERO_COPY = 0x8, +}; + +struct wlr_output_event_present { + struct wlr_output *output; + // Time when the content update turned into light the first time. + struct timespec *when; + // Vertical retrace counter. Zero if unavailable. + unsigned seq; + // Prediction of how many nanoseconds after `when` the very next output + // refresh may occur. Zero if unknown. + int refresh; // nsec + uint32_t flags; // enum wlr_output_present_flag +}; + struct wlr_surface; /** diff --git a/include/wlr/types/wlr_presentation_time.h b/include/wlr/types/wlr_presentation_time.h new file mode 100644 index 00000000..9f9f0e87 --- /dev/null +++ b/include/wlr/types/wlr_presentation_time.h @@ -0,0 +1,59 @@ +/* + * This an unstable interface of wlroots. No guarantees are made regarding the + * future consistency of this API. + */ +#ifndef WLR_USE_UNSTABLE +#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features" +#endif + +#ifndef WLR_TYPES_WLR_PRESENTATION_TIME_H +#define WLR_TYPES_WLR_PRESENTATION_TIME_H + +#include <stdbool.h> +#include <stddef.h> +#include <time.h> +#include <wayland-server.h> + +struct wlr_presentation { + struct wl_global *global; + struct wl_list resources; // wl_resource_get_link + struct wl_list feedbacks; // wlr_presentation_feedback::link + clockid_t clock; + + struct { + struct wl_signal destroy; + } events; + + struct wl_listener display_destroy; +}; + +struct wlr_presentation_feedback { + struct wl_resource *resource; + struct wlr_presentation *presentation; + struct wlr_surface *surface; + bool committed; + struct wl_list link; // wlr_presentation::feedbacks + + struct wl_listener surface_commit; + struct wl_listener surface_destroy; +}; + +struct wlr_presentation_event { + struct wlr_output *output; + uint64_t tv_sec; + uint32_t tv_nsec; + uint32_t refresh; + uint64_t seq; + uint32_t flags; // wp_presentation_feedback_kind +}; + +struct wlr_backend; + +struct wlr_presentation *wlr_presentation_create(struct wl_display *display, + struct wlr_backend *backend); +void wlr_presentation_destroy(struct wlr_presentation *presentation); +void wlr_presentation_send_surface_presented( + struct wlr_presentation *presentation, struct wlr_surface *surface, + struct wlr_presentation_event *event); + +#endif |