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scene: add scene_buffer_set_buffer_and_texture()

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This commit is contained in:
Simon Ser 2024-03-06 16:47:54 +01:00
parent 95c2308928
commit 119c634d94
3 changed files with 63 additions and 16 deletions
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73
types/scene/wlr_scene.c
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@ -112,7 +112,9 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node) {
}
}
wlr_texture_destroy(scene_buffer->texture);
if (scene_buffer->own_texture) {
wlr_texture_destroy(scene_buffer->texture);
}
scene_buffer_set_buffer(scene_buffer, NULL);
pixman_region32_fini(&scene_buffer->opaque_region);
} else if (node->type == WLR_SCENE_NODE_TREE) {
@ -635,6 +637,37 @@ static void scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
wl_signal_add(&buffer->events.release, &scene_buffer->buffer_release);
}
static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_texture *texture, bool own_texture);
static void scene_buffer_handle_texture_destroy(struct wl_listener *listener,
void *data) {
struct wlr_scene_buffer *scene_buffer =
wl_container_of(listener, scene_buffer, texture_destroy);
scene_buffer_set_texture(scene_buffer, NULL, false);
}
static void scene_buffer_set_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_texture *texture, bool own_texture) {
wl_list_remove(&scene_buffer->texture_destroy.link);
wl_list_init(&scene_buffer->texture_destroy.link);
if (scene_buffer->own_texture) {
wlr_texture_destroy(scene_buffer->texture);
}
scene_buffer->texture = NULL;
scene_buffer->own_texture = false;
if (!texture) {
return;
}
scene_buffer->own_texture = own_texture;
scene_buffer->texture = texture;
scene_buffer->texture_destroy.notify = scene_buffer_handle_texture_destroy;
wl_signal_add(&texture->events.destroy, &scene_buffer->texture_destroy);
}
struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
struct wlr_buffer *buffer) {
struct wlr_scene_buffer *scene_buffer = calloc(1, sizeof(*scene_buffer));
@ -659,20 +692,28 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
return scene_buffer;
}
void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer, const pixman_region32_t *damage) {
void scene_buffer_set_buffer_and_texture(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer, struct wlr_texture *texture,
const pixman_region32_t *damage) {
// specifying a region for a NULL buffer doesn't make sense. We need to know
// about the buffer to scale the buffer local coordinates down to scene
// coordinates.
assert(buffer || !damage);
assert(buffer || texture || !damage);
int buffer_width = 0, buffer_height = 0;
if (buffer != NULL && texture != NULL) {
assert(buffer->width == (int)texture->width &&
buffer->height == (int)texture->height);
}
if (buffer != NULL) {
buffer_width = buffer->width;
buffer_height = buffer->height;
} else if (texture != NULL) {
buffer_width = texture->width;
buffer_height = texture->height;
}
bool mapped = buffer != NULL;
bool mapped = buffer != NULL || texture != NULL;
bool prev_mapped = scene_buffer->buffer != NULL || scene_buffer->texture != NULL;
// if this node used to not be mapped or its previous displayed
@ -684,10 +725,10 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff
scene_buffer->buffer_height != buffer_height;
}
wlr_texture_destroy(scene_buffer->texture);
scene_buffer->texture = NULL;
scene_buffer_set_buffer(scene_buffer, buffer);
scene_buffer_set_texture(scene_buffer, texture, false);
scene_buffer->buffer_width = buffer_width;
scene_buffer->buffer_height = buffer_height;
if (update) {
scene_node_update(&scene_buffer->node, NULL);
@ -786,6 +827,11 @@ void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buff
pixman_region32_fini(&fallback_damage);
}
void wlr_scene_buffer_set_buffer_with_damage(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer, const pixman_region32_t *damage) {
scene_buffer_set_buffer_and_texture(scene_buffer, buffer, NULL, damage);
}
void wlr_scene_buffer_set_buffer(struct wlr_scene_buffer *scene_buffer,
struct wlr_buffer *buffer) {
wlr_scene_buffer_set_buffer_with_damage(scene_buffer, buffer, NULL);
@ -880,15 +926,10 @@ static struct wlr_texture *scene_buffer_get_texture(
return scene_buffer->texture;
}
struct wlr_client_buffer *client_buffer =
wlr_client_buffer_get(scene_buffer->buffer);
if (client_buffer != NULL) {
return client_buffer->texture;
}
scene_buffer->texture =
struct wlr_texture *texture =
wlr_texture_from_buffer(renderer, scene_buffer->buffer);
if (scene_buffer->texture != NULL && scene_buffer->own_buffer) {
scene_buffer_set_texture(scene_buffer, texture, true);
if (texture != NULL && scene_buffer->own_buffer) {
scene_buffer->own_buffer = false;
wlr_buffer_unlock(scene_buffer->buffer);
}