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backend/wayland: maintain a list of displays

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This commit is contained in:
Alexander Orzechowski 2022-11-22 19:00:05 -05:00
parent cfa7696d7b
commit e14c3e1e1a
2 changed files with 75 additions and 0 deletions
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63
backend/wayland/backend.c
View file

@ -236,6 +236,34 @@ static const struct zwp_linux_dmabuf_feedback_v1_listener
.tranche_flags = linux_dmabuf_feedback_v1_handle_tranche_flags,
};
static void wlr_output_handle_scale(void *data,
struct wl_output *wl_output, int32_t factor) {
struct wlr_wl_remote_output *output = data;
output->scale = factor;
}
static void wlr_output_handle_geometry(void *data, struct wl_output *wl_output,
int32_t x, int32_t y, int32_t phys_width, int32_t phys_height,
int32_t subpixel, const char *make, const char *model, int32_t transform) {
// This is intentionally left blank
}
static void wlr_output_handle_mode(void *data, struct wl_output *wl_output,
uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
// This is intentionally left blank
}
static void wlr_output_handle_done(void *data, struct wl_output *wl_output) {
// This is intentionally left blank
}
static const struct wl_output_listener output_listener = {
.scale = wlr_output_handle_scale,
.geometry = wlr_output_handle_geometry,
.mode = wlr_output_handle_mode,
.done = wlr_output_handle_done
};
static bool device_has_name(const drmDevice *device, const char *name) {
for (size_t i = 0; i < DRM_NODE_MAX; i++) {
if (!(device->available_nodes & (1 << i))) {
@ -393,6 +421,24 @@ static void registry_global(void *data, struct wl_registry *registry,
} else if (strcmp(iface, xdg_activation_v1_interface.name) == 0) {
wl->activation_v1 = wl_registry_bind(registry, name,
&xdg_activation_v1_interface, 1);
} else if (strcmp(iface, wl_output_interface.name) == 0) {
struct wlr_wl_remote_output *output = calloc(1, sizeof(*output));
if (!output) {
return;
}
struct wl_output *wl_output = wl_registry_bind(registry, name, &wl_output_interface, 2);
if (!wl_output) {
free(output);
return;
}
output->output = wl_output;
output->scale = 1;
output->name = name;
wl_list_insert(&wl->remote_outputs, &output->link);
wl_output_add_listener(wl_output, &output_listener, output);
}
}
@ -407,6 +453,15 @@ static void registry_global_remove(void *data, struct wl_registry *registry,
break;
}
}
struct wlr_wl_remote_output *output;
wl_list_for_each(output, &wl->remote_outputs, link) {
if (output->name == name) {
wl_list_remove(&output->link);
free(output);
break;
}
}
}
static const struct wl_registry_listener registry_listener = {
@ -466,6 +521,13 @@ static void backend_destroy(struct wlr_backend *backend) {
destroy_wl_buffer(buffer);
}
struct wlr_wl_remote_output *remote_output, *tmp_remote_output;
wl_list_for_each_safe(remote_output, tmp_remote_output,
&wl->remote_outputs, link) {
wl_output_release(remote_output->output);
free(remote_output);
}
wlr_backend_finish(backend);
wl_list_remove(&wl->local_display_destroy.link);
@ -560,6 +622,7 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
wl_list_init(&wl->outputs);
wl_list_init(&wl->seats);
wl_list_init(&wl->buffers);
wl_list_init(&wl->remote_outputs);
wl->presentation_clock = CLOCK_MONOTONIC;
wl->remote_display = wl_display_connect(remote);

12
include/backend/wayland.h
View file

@ -47,9 +47,21 @@ struct wlr_wl_backend {
struct wlr_drm_format_set linux_dmabuf_v1_formats;
struct wl_drm *legacy_drm;
struct xdg_activation_v1 *activation_v1;
struct wl_list remote_outputs; // wlr_wl_remote_output.link
char *drm_render_name;
};
struct wlr_wl_remote_output {
struct wl_output *output;
uint32_t scale;
// we use this to identify the output in the
// global registry so that we can remove it later
uint32_t name;
struct wl_list link; // wlr_wl_backend.remote_outputs
};
struct wlr_wl_buffer {
struct wlr_buffer *buffer;
struct wl_buffer *wl_buffer;