blankie
/
wlroots
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add wlr_output_cursor

This commit is contained in:
emersion 2017-10-29 09:09:21 +01:00
parent e9c2cf09dc
commit 1b6c729360
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
5 changed files with 287 additions and 258 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
backend/drm/drm.c
View File

@ -558,36 +558,37 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
} }
} }
switch (output->transform) { // TODO: this doesn't belong here
case WL_OUTPUT_TRANSFORM_90: // switch (output->transform) {
output->cursor.hotspot_x = hotspot_x; // case WL_OUTPUT_TRANSFORM_90:
output->cursor.hotspot_y = -plane->surf.height + hotspot_y; // output->cursor.hotspot_x = hotspot_x;
break; // output->cursor.hotspot_y = -plane->surf.height + hotspot_y;
case WL_OUTPUT_TRANSFORM_180: // break;
output->cursor.hotspot_x = plane->surf.width - hotspot_x; // case WL_OUTPUT_TRANSFORM_180:
output->cursor.hotspot_y = plane->surf.height - hotspot_y; // output->cursor.hotspot_x = plane->surf.width - hotspot_x;
break; // output->cursor.hotspot_y = plane->surf.height - hotspot_y;
case WL_OUTPUT_TRANSFORM_270: // break;
output->cursor.hotspot_x = -plane->surf.height + hotspot_x; // case WL_OUTPUT_TRANSFORM_270:
output->cursor.hotspot_y = hotspot_y; // output->cursor.hotspot_x = -plane->surf.height + hotspot_x;
break; // output->cursor.hotspot_y = hotspot_y;
case WL_OUTPUT_TRANSFORM_FLIPPED: // break;
output->cursor.hotspot_x = plane->surf.width - hotspot_x; // case WL_OUTPUT_TRANSFORM_FLIPPED:
output->cursor.hotspot_y = hotspot_y; // output->cursor.hotspot_x = plane->surf.width - hotspot_x;
break; // output->cursor.hotspot_y = hotspot_y;
case WL_OUTPUT_TRANSFORM_FLIPPED_90: // break;
output->cursor.hotspot_x = hotspot_x; // case WL_OUTPUT_TRANSFORM_FLIPPED_90:
output->cursor.hotspot_y = -hotspot_y; // output->cursor.hotspot_x = hotspot_x;
break; // output->cursor.hotspot_y = -hotspot_y;
case WL_OUTPUT_TRANSFORM_FLIPPED_180: // break;
output->cursor.hotspot_x = hotspot_x; // case WL_OUTPUT_TRANSFORM_FLIPPED_180:
output->cursor.hotspot_y = plane->surf.height - hotspot_y; // output->cursor.hotspot_x = hotspot_x;
break; // output->cursor.hotspot_y = plane->surf.height - hotspot_y;
case WL_OUTPUT_TRANSFORM_FLIPPED_270: // break;
output->cursor.hotspot_x = -plane->surf.height + hotspot_x; // case WL_OUTPUT_TRANSFORM_FLIPPED_270:
output->cursor.hotspot_y = plane->surf.width - hotspot_y; // output->cursor.hotspot_x = -plane->surf.height + hotspot_x;
break; // output->cursor.hotspot_y = plane->surf.width - hotspot_y;
} // break;
// }
if (!update_pixels) { if (!update_pixels) {
// Only update the cursor hotspot // Only update the cursor hotspot

6
include/wlr/types/wlr_cursor.h
View File

@ -62,6 +62,12 @@ void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev, void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
double delta_x, double delta_y); double delta_x, double delta_y);
void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y);
void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
int32_t hotspot_x, int32_t hotspot_y);
/** /**
* Attaches this input device to this cursor. The input device must be one of: * Attaches this input device to this cursor. The input device must be one of:
* *

45
include/wlr/types/wlr_output.h
View File

@ -12,6 +12,21 @@ struct wlr_output_mode {
struct wl_list link; struct wl_list link;
}; };
struct wlr_output_cursor {
struct wlr_output *output;
int32_t x, y;
int32_t hotspot_x, hotspot_y;
struct wl_list link;
struct wlr_renderer *renderer;
struct wlr_texture *texture;
// only when using a cursor surface
struct wlr_surface *surface;
struct wl_listener surface_commit;
struct wl_listener surface_destroy;
};
struct wlr_output_impl; struct wlr_output_impl;
struct wlr_output { struct wlr_output {
@ -44,19 +59,8 @@ struct wlr_output {
struct wl_signal destroy; struct wl_signal destroy;
} events; } events;
struct { struct wl_list cursors; // wlr_output_cursor::link
bool is_sw; struct wlr_output_cursor *hardware_cursor;
int32_t x, y;
uint32_t width, height;
int32_t hotspot_x, hotspot_y;
struct wlr_renderer *renderer;
struct wlr_texture *texture;
// only when using a cursor surface
struct wlr_surface *surface;
struct wl_listener surface_commit;
struct wl_listener surface_destroy;
} cursor;
// the output position in layout space reported to clients // the output position in layout space reported to clients
int32_t lx, ly; int32_t lx, ly;
@ -72,12 +76,6 @@ bool wlr_output_set_mode(struct wlr_output *output,
void wlr_output_transform(struct wlr_output *output, void wlr_output_transform(struct wlr_output *output,
enum wl_output_transform transform); enum wl_output_transform transform);
void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly); void wlr_output_set_position(struct wlr_output *output, int32_t lx, int32_t ly);
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y);
void wlr_output_set_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y);
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
void wlr_output_destroy(struct wlr_output *output); void wlr_output_destroy(struct wlr_output *output);
void wlr_output_effective_resolution(struct wlr_output *output, void wlr_output_effective_resolution(struct wlr_output *output,
int *width, int *height); int *width, int *height);
@ -87,4 +85,13 @@ void wlr_output_set_gamma(struct wlr_output *output,
uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b); uint32_t size, uint16_t *r, uint16_t *g, uint16_t *b);
uint32_t wlr_output_get_gamma_size(struct wlr_output *output); uint32_t wlr_output_get_gamma_size(struct wlr_output *output);
struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output);
bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y);
void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y);
bool wlr_output_cursor_move(struct wlr_output_cursor *cursor, int x, int y);
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor);
#endif #endif

33
types/wlr_cursor.c
View File

@ -33,9 +33,16 @@ struct wlr_cursor_device {
struct wl_listener destroy; struct wl_listener destroy;
}; };
struct wlr_cursor_output_cursor {
struct wlr_cursor *cursor;
struct wlr_output_cursor *output_cursor;
struct wl_list link;
};
struct wlr_cursor_state { struct wlr_cursor_state {
struct wlr_cursor *cursor; struct wlr_cursor *cursor;
struct wl_list devices; struct wl_list devices; // wlr_cursor_device::link
struct wl_list output_cursors; // wlr_cursor_output_cursor::link
struct wlr_output_layout *layout; struct wlr_output_layout *layout;
struct wlr_xcursor *xcursor; struct wlr_xcursor *xcursor;
struct wlr_output *mapped_output; struct wlr_output *mapped_output;
@ -132,16 +139,15 @@ static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur,
double x, double y) { double x, double y) {
assert(cur->state->layout); assert(cur->state->layout);
struct wlr_output_layout_output *l_output; struct wlr_cursor_output_cursor *output_cursor;
wl_list_for_each(l_output, &cur->state->layout->outputs, link) { wl_list_for_each(output_cursor, &cur->state->output_cursors, link) {
double output_x = x; double output_x = x;
double output_y = y; double output_y = y;
wlr_output_layout_output_coords(cur->state->layout, wlr_output_layout_output_coords(cur->state->layout,
l_output->output, &output_x, &output_y); output_cursor->output_cursor->output, &output_x, &output_y);
wlr_output_move_cursor(l_output->output, wlr_output_cursor_move(output_cursor->output_cursor,
output_x - l_output->output->cursor.hotspot_x, output_x - output_cursor->output_cursor->hotspot_x,
output_y - l_output->output->cursor.hotspot_y); output_y - output_cursor->output_cursor->hotspot_y);
} }
cur->x = x; cur->x = x;
@ -254,6 +260,17 @@ void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
wlr_cursor_warp_unchecked(cur, x, y); wlr_cursor_warp_unchecked(cur, x, y);
} }
void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y) {
// TODO
}
void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
int32_t hotspot_x, int32_t hotspot_y) {
// TODO
}
static void handle_pointer_motion(struct wl_listener *listener, void *data) { static void handle_pointer_motion(struct wl_listener *listener, void *data) {
struct wlr_event_pointer_motion *event = data; struct wlr_event_pointer_motion *event = data;
struct wlr_cursor_device *device = struct wlr_cursor_device *device =

380
types/wlr_output.c
View File

@ -188,176 +188,6 @@ void wlr_output_set_position(struct wlr_output *output, int32_t lx,
} }
} }
static bool set_cursor(struct wlr_output *output, const uint8_t *buf,
int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
int32_t hotspot_y) {
if (output->impl->set_cursor
&& output->impl->set_cursor(output, buf, stride, width, height,
hotspot_x, hotspot_y, true)) {
output->cursor.is_sw = false;
return true;
}
wlr_log(L_INFO, "Falling back to software cursor");
output->cursor.is_sw = true;
output->cursor.width = width;
output->cursor.height = height;
if (!output->cursor.renderer) {
output->cursor.renderer = wlr_gles2_renderer_create(output->backend);
if (!output->cursor.renderer) {
return false;
}
}
if (!output->cursor.texture) {
output->cursor.texture =
wlr_render_texture_create(output->cursor.renderer);
if (!output->cursor.texture) {
return false;
}
}
return wlr_texture_upload_pixels(output->cursor.texture,
WL_SHM_FORMAT_ARGB8888, stride, width, height, buf);
}
bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y) {
if (output->cursor.surface) {
wl_list_remove(&output->cursor.surface_commit.link);
wl_list_remove(&output->cursor.surface_destroy.link);
output->cursor.surface = NULL;
}
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
return set_cursor(output, buf, stride, width, height, hotspot_x, hotspot_y);
}
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
static void commit_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface) {
if (output->cursor.is_sw) {
return;
}
struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current->buffer);
if (buffer == NULL) {
return;
}
uint32_t format = wl_shm_buffer_get_format(buffer);
if (format != WL_SHM_FORMAT_ARGB8888) {
return;
}
void *buffer_data = wl_shm_buffer_get_data(buffer);
int32_t width = wl_shm_buffer_get_width(buffer);
int32_t height = wl_shm_buffer_get_height(buffer);
int32_t stride = wl_shm_buffer_get_stride(buffer);
wl_shm_buffer_begin_access(buffer);
wlr_output_set_cursor(output, buffer_data, stride/4, width, height,
output->cursor.hotspot_x - surface->current->sx,
output->cursor.hotspot_y - surface->current->sy);
wl_shm_buffer_end_access(buffer);
}
static void handle_cursor_surface_commit(struct wl_listener *listener,
void *data) {
struct wlr_output *output = wl_container_of(listener, output,
cursor.surface_commit);
struct wlr_surface *surface = data;
commit_cursor_surface(output, surface);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
struct wlr_frame_callback *cb, *cnext;
wl_list_for_each_safe(cb, cnext, &surface->current->frame_callback_list,
link) {
wl_callback_send_done(cb->resource, timespec_to_msec(&now));
wl_resource_destroy(cb->resource);
}
}
static void handle_cursor_surface_destroy(struct wl_listener *listener,
void *data) {
struct wlr_output *output = wl_container_of(listener, output,
cursor.surface_destroy);
wl_list_remove(&output->cursor.surface_commit.link);
wl_list_remove(&output->cursor.surface_destroy.link);
output->cursor.surface = NULL;
}
void wlr_output_set_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
if (surface && strcmp(surface->role, "wl_pointer-cursor") != 0) {
return;
}
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
if (surface && surface == output->cursor.surface) {
if (output->impl->set_cursor && !output->cursor.is_sw) {
// Only update the hotspot
output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x,
hotspot_y, false);
}
return;
}
if (output->cursor.surface) {
wl_list_remove(&output->cursor.surface_commit.link);
wl_list_remove(&output->cursor.surface_destroy.link);
output->cursor.surface = NULL;
}
// Disable hardware cursor
// TODO: support hardware cursors
output->cursor.is_sw = true;
if (output->impl->set_cursor) {
output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y,
true);
}
//output->cursor.is_sw = output->impl->set_cursor == NULL;
output->cursor.surface = surface;
if (surface != NULL) {
wl_signal_add(&surface->events.commit, &output->cursor.surface_commit);
wl_signal_add(&surface->events.destroy,
&output->cursor.surface_destroy);
commit_cursor_surface(output, surface);
} else {
set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y);
}
}
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
output->cursor.x = x;
output->cursor.y = y;
if (output->cursor.is_sw) {
return true;
}
if (!output->impl->move_cursor) {
return false;
}
return output->impl->move_cursor(output, x, y);
}
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend, void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
const struct wlr_output_impl *impl) { const struct wlr_output_impl *impl) {
output->backend = backend; output->backend = backend;
@ -365,15 +195,11 @@ void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
wl_list_init(&output->modes); wl_list_init(&output->modes);
output->transform = WL_OUTPUT_TRANSFORM_NORMAL; output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
output->scale = 1; output->scale = 1;
wl_list_init(&output->cursors);
wl_signal_init(&output->events.frame); wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.swap_buffers); wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.resolution); wl_signal_init(&output->events.resolution);
wl_signal_init(&output->events.destroy); wl_signal_init(&output->events.destroy);
wl_list_init(&output->cursor.surface_commit.link);
output->cursor.surface_commit.notify = handle_cursor_surface_commit;
wl_list_init(&output->cursor.surface_destroy.link);
output->cursor.surface_destroy.notify = handle_cursor_surface_destroy;
} }
void wlr_output_destroy(struct wlr_output *output) { void wlr_output_destroy(struct wlr_output *output) {
@ -383,9 +209,6 @@ void wlr_output_destroy(struct wlr_output *output) {
wl_signal_emit(&output->events.destroy, output); wl_signal_emit(&output->events.destroy, output);
wlr_texture_destroy(output->cursor.texture);
wlr_renderer_destroy(output->cursor.renderer);
struct wlr_output_mode *mode, *tmp_mode; struct wlr_output_mode *mode, *tmp_mode;
wl_list_for_each_safe(mode, tmp_mode, &output->modes, link) { wl_list_for_each_safe(mode, tmp_mode, &output->modes, link) {
free(mode); free(mode);
@ -414,27 +237,35 @@ void wlr_output_make_current(struct wlr_output *output) {
output->impl->make_current(output); output->impl->make_current(output);
} }
void wlr_output_swap_buffers(struct wlr_output *output) { static void output_cursor_render(struct wlr_output_cursor *cursor) {
if (output->cursor.is_sw) { struct wlr_texture *texture = cursor->texture;
glViewport(0, 0, output->width, output->height); struct wlr_renderer *renderer = cursor->renderer;
glEnable(GL_BLEND); if (cursor->surface != NULL) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); texture = cursor->surface->texture;
renderer = cursor->surface->renderer;
struct wlr_texture *texture = output->cursor.texture;
struct wlr_renderer *renderer = output->cursor.renderer;
if (output->cursor.surface) {
texture = output->cursor.surface->texture;
renderer = output->cursor.surface->renderer;
} }
// We check texture->valid because some clients set a cursor surface // We check texture->valid because some clients set a cursor surface
// with a NULL buffer to hide it // with a NULL buffer to hide it
if (renderer && texture && texture->valid) { if (renderer && texture && texture->valid) {
glViewport(0, 0, cursor->output->width, cursor->output->height);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
float matrix[16]; float matrix[16];
wlr_texture_get_matrix(texture, &matrix, &output->transform_matrix, wlr_texture_get_matrix(texture, &matrix,
output->cursor.x, output->cursor.y); &cursor->output->transform_matrix, cursor->x, cursor->y);
wlr_render_with_matrix(renderer, texture, &matrix); wlr_render_with_matrix(renderer, texture, &matrix);
} }
}
void wlr_output_swap_buffers(struct wlr_output *output) {
struct wlr_output_cursor *cursor;
wl_list_for_each(cursor, &output->cursors, link) {
if (output->hardware_cursor == cursor) {
continue;
}
output_cursor_render(cursor);
} }
wl_signal_emit(&output->events.swap_buffers, &output); wl_signal_emit(&output->events.swap_buffers, &output);
@ -455,3 +286,170 @@ 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);
} }
static void wlr_output_cursor_reset(struct wlr_output_cursor *cursor) {
if (cursor->surface != NULL) {
wl_list_remove(&cursor->surface_commit.link);
wl_list_remove(&cursor->surface_destroy.link);
cursor->surface = NULL;
}
}
bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y) {
wlr_output_cursor_reset(cursor);
cursor->hotspot_x = hotspot_x;
cursor->hotspot_y = hotspot_y;
if (cursor->output->hardware_cursor == NULL &&
cursor->output->impl->set_cursor &&
cursor->output->impl->set_cursor(cursor->output, pixels, stride,
width, height, hotspot_x, hotspot_y, true)) {
cursor->output->hardware_cursor = cursor;
return true;
}
wlr_log(L_INFO, "Falling back to software cursor");
if (cursor->renderer == NULL) {
cursor->renderer = wlr_gles2_renderer_create(cursor->output->backend);
if (cursor->renderer == NULL) {
return false;
}
}
if (cursor->texture == NULL) {
cursor->texture = wlr_render_texture_create(cursor->renderer);
if (cursor->texture == NULL) {
return false;
}
}
return wlr_texture_upload_pixels(cursor->texture, WL_SHM_FORMAT_ARGB8888,
stride, width, height, pixels);
}
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
static void output_cursor_handle_commit(struct wl_listener *listener,
void *data) {
struct wlr_output_cursor *cursor = wl_container_of(listener, cursor,
surface_commit);
struct wlr_surface *surface = data;
// TODO: if hardware cursor, upload pixels
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
struct wlr_frame_callback *cb, *cnext;
wl_list_for_each_safe(cb, cnext, &surface->current->frame_callback_list,
link) {
wl_callback_send_done(cb->resource, timespec_to_msec(&now));
wl_resource_destroy(cb->resource);
}
}
static void output_cursor_handle_destroy(struct wl_listener *listener,
void *data) {
struct wlr_output_cursor *cursor = wl_container_of(listener, cursor,
surface_destroy);
wlr_output_cursor_reset(cursor);
}
void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
if (surface && strcmp(surface->role, "wl_pointer-cursor") != 0) {
return;
}
cursor->hotspot_x = hotspot_x;
cursor->hotspot_y = hotspot_y;
if (surface && surface == cursor->surface) {
if (cursor->output->hardware_cursor == cursor &&
cursor->output->impl->set_cursor) {
// If the surface hasn't changed and it's an hardware cursor, only
// update the hotspot
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0,
hotspot_x, hotspot_y, false);
}
return;
}
wlr_output_cursor_reset(cursor);
// Disable hardware cursor for surfaces
// TODO: support hardware cursors
if (cursor->output->hardware_cursor == cursor &&
cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0,
hotspot_x, hotspot_y, true);
cursor->output->hardware_cursor = NULL;
}
cursor->surface = surface;
if (surface != NULL) {
wl_signal_add(&surface->events.commit, &cursor->surface_commit);
wl_signal_add(&surface->events.destroy, &cursor->surface_destroy);
// TODO: if hardware cursor, upload pixels
} else {
// TODO: if hardware cursor, disable cursor
}
}
bool wlr_output_cursor_move(struct wlr_output_cursor *cursor, int x, int y) {
cursor->x = x;
cursor->y = y;
if (cursor->output->hardware_cursor != cursor) {
return true;
}
if (!cursor->output->impl->move_cursor) {
return false;
}
return cursor->output->impl->move_cursor(cursor->output, x, y);
}
struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output) {
struct wlr_output_cursor *cursor =
calloc(1, sizeof(struct wlr_output_cursor));
if (cursor == NULL) {
return NULL;
}
cursor->output = output;
wl_list_init(&cursor->surface_commit.link);
cursor->surface_commit.notify = output_cursor_handle_commit;
wl_list_init(&cursor->surface_destroy.link);
cursor->surface_destroy.notify = output_cursor_handle_destroy;
wl_list_insert(&output->cursors, &cursor->link);
return cursor;
}
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
if (cursor == NULL) {
return;
}
wlr_output_cursor_reset(cursor);
if (cursor->output->hardware_cursor == cursor) {
// If this cursor was the hardware cursor, disable it
if (cursor->output->impl->set_cursor) {
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0, 0, 0,
0, true);
}
cursor->output->hardware_cursor = NULL;
}
if (cursor->texture != NULL) {
wlr_texture_destroy(cursor->texture);
}
if (cursor->renderer != NULL) {
wlr_renderer_destroy(cursor->renderer);
}
wl_list_remove(&cursor->link);
free(cursor);
}