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wlr_linux_dmabuf: Refactor to prevent double dmabuf import

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Instead, we'll initialize the buffer just enough so that renderers
can work with it and if the dmabuf import was successful, we continue
initializing the buffer. This will allow the dmabuf texture to addon
itself onto the buffer for further use without another import.
This commit is contained in:
Alexander Orzechowski 2022-07-02 21:14:18 -04:00
parent 248a33a026
commit e594a59036
1 changed files with 13 additions and 15 deletions
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28
types/wlr_linux_dmabuf_v1.c
View file

@ -201,17 +201,15 @@ static void buffer_handle_resource_destroy(struct wl_resource *buffer_resource)
}
static bool check_import_dmabuf(struct wlr_linux_dmabuf_v1 *linux_dmabuf,
struct wlr_dmabuf_attributes *attribs) {
struct wlr_texture *texture =
wlr_texture_from_dmabuf(linux_dmabuf->renderer, attribs);
if (texture == NULL) {
struct wlr_buffer *dmabuf) {
struct wlr_raster *raster = wlr_raster_create(dmabuf);
if (!raster) {
return false;
}
// We can import the image, good. No need to keep it since wlr_surface will
// import it again on commit.
wlr_texture_destroy(texture);
return true;
bool success = wlr_renderer_raster_upload(linux_dmabuf->renderer, raster);
wlr_raster_unlock(raster);
return success;
}
static void params_create_common(struct wl_resource *params_resource,
@ -331,17 +329,19 @@ static void params_create_common(struct wl_resource *params_resource,
}
}
/* Check if dmabuf is usable */
if (!check_import_dmabuf(linux_dmabuf, &attribs)) {
goto err_failed;
}
struct wlr_dmabuf_v1_buffer *buffer = calloc(1, sizeof(*buffer));
if (!buffer) {
wl_resource_post_no_memory(params_resource);
goto err_failed;
}
wlr_buffer_init(&buffer->base, &buffer_impl, attribs.width, attribs.height);
buffer->attributes = attribs;
/* Check if dmabuf is usable */
if (!check_import_dmabuf(linux_dmabuf, &buffer->base)) {
free(buffer);
goto err_failed;
}
struct wl_client *client = wl_resource_get_client(params_resource);
buffer->resource = wl_resource_create(client, &wl_buffer_interface,
@ -354,8 +354,6 @@ static void params_create_common(struct wl_resource *params_resource,
wl_resource_set_implementation(buffer->resource,
&wl_buffer_impl, buffer, buffer_handle_resource_destroy);
buffer->attributes = attribs;
buffer->release.notify = buffer_handle_release;
wl_signal_add(&buffer->base.events.release, &buffer->release);