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backend/drm: fix hardware cursors not moving

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This adds back `wlr_output::needs_swap`. This allows a backend to
request buffer swaps even if the output isn't damaged. This is
needed by the DRM backend to trigger pageflips when the cursor
moves.
This commit is contained in:
emersion 2018-01-20 16:43:14 +01:00
parent bc001e90e9
commit 4ca38b84ed
No known key found for this signature in database
GPG key ID: 0FDE7BE0E88F5E48
6 changed files with 43 additions and 19 deletions
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12
backend/drm/drm.c
View file

@ -619,7 +619,11 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
gbm_bo_unmap(bo, bo_data); gbm_bo_unmap(bo, bo_data);
return drm->iface->crtc_set_cursor(drm, crtc, bo); bool ok = drm->iface->crtc_set_cursor(drm, crtc, bo);
if (ok) {
wlr_output_update_needs_swap(output);
}
return ok;
} }
static bool wlr_drm_connector_move_cursor(struct wlr_output *output, static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
@ -643,8 +647,12 @@ static bool wlr_drm_connector_move_cursor(struct wlr_output *output,
transformed_box.y -= plane->cursor_hotspot_y; transformed_box.y -= plane->cursor_hotspot_y;
} }
return drm->iface->crtc_move_cursor(drm, conn->crtc, transformed_box.x, bool ok = drm->iface->crtc_move_cursor(drm, conn->crtc, transformed_box.x,
transformed_box.y); transformed_box.y);
if (ok) {
wlr_output_update_needs_swap(output);
}
return ok;
} }
static void wlr_drm_connector_destroy(struct wlr_output *output) { static void wlr_drm_connector_destroy(struct wlr_output *output) {

4
include/rootston/output.h
View file

@ -16,11 +16,11 @@ struct roots_output {
struct timespec last_frame; struct timespec last_frame;
pixman_region32_t damage, previous_damage; pixman_region32_t damage, previous_damage;
bool frame_scheduled; bool frame_pending;
struct wl_listener frame; struct wl_listener frame;
struct wl_listener mode; struct wl_listener mode;
struct wl_listener damage_listener; struct wl_listener needs_swap;
}; };
void output_add_notify(struct wl_listener *listener, void *data); void output_add_notify(struct wl_listener *listener, void *data);

1
include/wlr/interfaces/wlr_output.h
View file

@ -32,5 +32,6 @@ void wlr_output_update_mode(struct wlr_output *output,
void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width, void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width,
int32_t height, int32_t refresh); int32_t height, int32_t refresh);
void wlr_output_update_enabled(struct wlr_output *output, bool enabled); void wlr_output_update_enabled(struct wlr_output *output, bool enabled);
void wlr_output_update_needs_swap(struct wlr_output *output);
#endif #endif

3
include/wlr/types/wlr_output.h
View file

@ -54,6 +54,7 @@ struct wlr_output {
enum wl_output_subpixel subpixel; enum wl_output_subpixel subpixel;
enum wl_output_transform transform; enum wl_output_transform transform;
bool needs_swap;
pixman_region32_t damage, previous_damage; pixman_region32_t damage, previous_damage;
float transform_matrix[16]; float transform_matrix[16];
@ -64,8 +65,8 @@ struct wlr_output {
int32_t refresh; // mHz int32_t refresh; // mHz
struct { struct {
struct wl_signal damage;
struct wl_signal frame; struct wl_signal frame;
struct wl_signal needs_swap;
struct wl_signal swap_buffers; struct wl_signal swap_buffers;
struct wl_signal enable; struct wl_signal enable;
struct wl_signal mode; struct wl_signal mode;

28
rootston/output.c
View file

@ -258,6 +258,7 @@ static void render_output(struct roots_output *output) {
struct roots_server *server = desktop->server; struct roots_server *server = desktop->server;
if (!wlr_output->enabled) { if (!wlr_output->enabled) {
output->frame_pending = false;
return; return;
} }
@ -299,9 +300,9 @@ static void render_output(struct roots_output *output) {
pixman_region32_intersect_rect(&damage, &damage, 0, 0, wlr_output->width, pixman_region32_intersect_rect(&damage, &damage, 0, 0, wlr_output->width,
wlr_output->height); wlr_output->height);
// TODO: fullscreen if (!pixman_region32_not_empty(&damage) && !wlr_output->needs_swap) {
if (!pixman_region32_not_empty(&damage)) { // Output doesn't need swap and isn't damaged, skip rendering completely
output->frame_scheduled = false; output->frame_pending = false;
goto damage_finish; goto damage_finish;
} }
@ -311,6 +312,11 @@ static void render_output(struct roots_output *output) {
wlr_renderer_begin(server->renderer, wlr_output); wlr_renderer_begin(server->renderer, wlr_output);
glEnable(GL_SCISSOR_TEST); glEnable(GL_SCISSOR_TEST);
if (!pixman_region32_not_empty(&damage)) {
// Output isn't damaged but needs buffer swap
goto renderer_end;
}
int nrects; int nrects;
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects); pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) { for (int i = 0; i < nrects; ++i) {
@ -377,7 +383,7 @@ renderer_end:
glDisable(GL_SCISSOR_TEST); glDisable(GL_SCISSOR_TEST);
wlr_renderer_end(server->renderer); wlr_renderer_end(server->renderer);
wlr_output_swap_buffers(wlr_output, &now, &damage); wlr_output_swap_buffers(wlr_output, &now, &damage);
output->frame_scheduled = true; output->frame_pending = true;
pixman_region32_copy(&output->previous_damage, &output->damage); pixman_region32_copy(&output->previous_damage, &output->damage);
pixman_region32_clear(&output->damage); pixman_region32_clear(&output->damage);
output->last_frame = desktop->last_frame = now; output->last_frame = desktop->last_frame = now;
@ -397,11 +403,11 @@ static void handle_idle_render(void *data) {
} }
static void schedule_render(struct roots_output *output) { static void schedule_render(struct roots_output *output) {
if (!output->frame_scheduled) { if (!output->frame_pending) {
struct wl_event_loop *ev = struct wl_event_loop *ev =
wl_display_get_event_loop(output->desktop->server->wl_display); wl_display_get_event_loop(output->desktop->server->wl_display);
wl_event_loop_add_idle(ev, handle_idle_render, output); wl_event_loop_add_idle(ev, handle_idle_render, output);
output->frame_scheduled = true; output->frame_pending = true;
} }
} }
@ -485,9 +491,9 @@ static void output_handle_mode(struct wl_listener *listener, void *data) {
output_damage_whole(output); output_damage_whole(output);
} }
static void output_handle_damage(struct wl_listener *listener, void *data) { static void output_handle_needs_swap(struct wl_listener *listener, void *data) {
struct roots_output *output = struct roots_output *output =
wl_container_of(listener, output, damage_listener); wl_container_of(listener, output, needs_swap);
pixman_region32_union(&output->damage, &output->damage, pixman_region32_union(&output->damage, &output->damage,
&output->wlr_output->damage); &output->wlr_output->damage);
schedule_render(output); schedule_render(output);
@ -551,8 +557,8 @@ void output_add_notify(struct wl_listener *listener, void *data) {
wl_signal_add(&wlr_output->events.frame, &output->frame); wl_signal_add(&wlr_output->events.frame, &output->frame);
output->mode.notify = output_handle_mode; output->mode.notify = output_handle_mode;
wl_signal_add(&wlr_output->events.mode, &output->mode); wl_signal_add(&wlr_output->events.mode, &output->mode);
output->damage_listener.notify = output_handle_damage; output->needs_swap.notify = output_handle_needs_swap;
wl_signal_add(&wlr_output->events.damage, &output->damage_listener); wl_signal_add(&wlr_output->events.needs_swap, &output->needs_swap);
struct roots_output_config *output_config = struct roots_output_config *output_config =
roots_config_get_output(config, wlr_output); roots_config_get_output(config, wlr_output);
@ -607,5 +613,7 @@ void output_remove_notify(struct wl_listener *listener, void *data) {
pixman_region32_fini(&output->previous_damage); pixman_region32_fini(&output->previous_damage);
wl_list_remove(&output->link); wl_list_remove(&output->link);
wl_list_remove(&output->frame.link); wl_list_remove(&output->frame.link);
wl_list_remove(&output->mode.link);
wl_list_remove(&output->needs_swap.link);
free(output); free(output);
} }

14
types/wlr_output.c
View file

@ -272,8 +272,8 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
output->scale = 1; output->scale = 1;
wl_list_init(&output->cursors); wl_list_init(&output->cursors);
wl_list_init(&output->wl_resources); wl_list_init(&output->wl_resources);
wl_signal_init(&output->events.damage);
wl_signal_init(&output->events.frame); wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.needs_swap);
wl_signal_init(&output->events.swap_buffers); wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.enable); wl_signal_init(&output->events.enable);
wl_signal_init(&output->events.mode); wl_signal_init(&output->events.mode);
@ -504,6 +504,7 @@ void wlr_output_swap_buffers(struct wlr_output *output, struct timespec *when,
// TODO: provide `damage` (not `render_damage`) to backend // TODO: provide `damage` (not `render_damage`) to backend
output->impl->swap_buffers(output); output->impl->swap_buffers(output);
output->needs_swap = false;
pixman_region32_copy(&output->previous_damage, &output->damage); pixman_region32_copy(&output->previous_damage, &output->damage);
pixman_region32_clear(&output->damage); pixman_region32_clear(&output->damage);
@ -526,10 +527,15 @@ uint32_t wlr_output_get_gamma_size(struct wlr_output *output) {
return output->impl->get_gamma_size(output); return output->impl->get_gamma_size(output);
} }
void wlr_output_update_needs_swap(struct wlr_output *output) {
output->needs_swap = true;
wl_signal_emit(&output->events.needs_swap, output);
}
static void output_damage_whole(struct wlr_output *output) { static void output_damage_whole(struct wlr_output *output) {
pixman_region32_union_rect(&output->damage, &output->damage, 0, 0, pixman_region32_union_rect(&output->damage, &output->damage, 0, 0,
output->width, output->height); output->width, output->height);
wl_signal_emit(&output->events.damage, output); wlr_output_update_needs_swap(output);
} }
static void output_fullscreen_surface_reset(struct wlr_output *output) { static void output_fullscreen_surface_reset(struct wlr_output *output) {
@ -557,7 +563,7 @@ static void output_fullscreen_surface_handle_commit(
pixman_region32_union(&output->damage, &output->damage, &damage); pixman_region32_union(&output->damage, &output->damage, &damage);
pixman_region32_fini(&damage); pixman_region32_fini(&damage);
wl_signal_emit(&output->events.damage, output); wlr_output_update_needs_swap(output);
} }
static void output_fullscreen_surface_handle_destroy( static void output_fullscreen_surface_handle_destroy(
@ -599,7 +605,7 @@ static void output_cursor_damage_whole(struct wlr_output_cursor *cursor) {
output_cursor_get_box(cursor, &box); output_cursor_get_box(cursor, &box);
pixman_region32_union_rect(&cursor->output->damage, &cursor->output->damage, pixman_region32_union_rect(&cursor->output->damage, &cursor->output->damage,
box.x, box.y, box.width, box.height); box.x, box.y, box.width, box.height);
wl_signal_emit(&cursor->output->events.damage, cursor->output); wlr_output_update_needs_swap(cursor->output);
} }
static void output_cursor_reset(struct wlr_output_cursor *cursor) { static void output_cursor_reset(struct wlr_output_cursor *cursor) {