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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-23 02:19:49 +01:00
buffer: add wlr_client_buffer.source
This stores a weak reference to the source buffer.
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2 changed files with 19 additions and 0 deletions
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@ -136,10 +136,15 @@ struct wlr_client_buffer {
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* client destroys the buffer before it has been released.
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*/
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struct wlr_texture *texture;
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/**
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* The buffer this client buffer was created from. NULL if destroyed.
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*/
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struct wlr_buffer *source;
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// private state
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struct wl_listener resource_destroy;
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struct wl_listener source_destroy;
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// If the client buffer has been created from a wl_shm buffer
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uint32_t shm_source_format;
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@ -124,6 +124,7 @@ static struct wlr_client_buffer *client_buffer_from_buffer(
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static void client_buffer_destroy(struct wlr_buffer *buffer) {
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struct wlr_client_buffer *client_buffer = client_buffer_from_buffer(buffer);
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wl_list_remove(&client_buffer->resource_destroy.link);
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wl_list_remove(&client_buffer->source_destroy.link);
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wlr_texture_destroy(client_buffer->texture);
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free(client_buffer);
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}
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@ -169,6 +170,15 @@ static void client_buffer_resource_handle_destroy(struct wl_listener *listener,
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// which case we'll read garbage. We decide to accept this risk.
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}
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static void client_buffer_handle_source_destroy(struct wl_listener *listener,
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void *data) {
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struct wlr_client_buffer *client_buffer =
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wl_container_of(listener, client_buffer, source_destroy);
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wl_list_remove(&client_buffer->source_destroy.link);
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wl_list_init(&client_buffer->source_destroy.link);
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client_buffer->source = NULL;
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}
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static bool buffer_is_shm_client_buffer(struct wlr_buffer *buffer);
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static struct wlr_shm_client_buffer *shm_client_buffer_from_buffer(
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struct wlr_buffer *buffer);
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@ -224,11 +234,15 @@ struct wlr_client_buffer *wlr_client_buffer_create(struct wlr_buffer *buffer,
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wlr_buffer_init(&client_buffer->base, &client_buffer_impl,
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texture->width, texture->height);
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client_buffer->resource = resource;
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client_buffer->source = buffer;
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client_buffer->texture = texture;
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wl_resource_add_destroy_listener(resource, &client_buffer->resource_destroy);
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client_buffer->resource_destroy.notify = client_buffer_resource_handle_destroy;
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wl_signal_add(&buffer->events.destroy, &client_buffer->source_destroy);
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client_buffer->source_destroy.notify = client_buffer_handle_source_destroy;
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if (buffer_is_shm_client_buffer(buffer)) {
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struct wlr_shm_client_buffer *shm_client_buffer =
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shm_client_buffer_from_buffer(buffer);
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