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linux-dmabuf: correctly destroy resources

This commit is contained in:
emersion 2018-04-30 22:20:39 +01:00
parent 6d569def6d
commit ff4708d406
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 53 additions and 23 deletions
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12
include/wlr/types/wlr_linux_dmabuf.h
View File

@ -25,8 +25,7 @@ struct wlr_dmabuf_buffer_attribs {
uint64_t modifier[WLR_LINUX_DMABUF_MAX_PLANES];
int fd[WLR_LINUX_DMABUF_MAX_PLANES];
/* set via params_create */
int32_t width;
int32_t height;
int32_t width, height;
uint32_t format;
uint32_t flags;
};
@ -61,8 +60,15 @@ struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_params_resource(
/* the protocol interface */
struct wlr_linux_dmabuf {
struct wl_global *wl_global;
struct wl_listener display_destroy;
struct wlr_renderer *renderer;
struct wl_list wl_resources;
struct {
struct wl_signal destroy;
} events;
struct wl_listener display_destroy;
struct wl_listener renderer_destroy;
};
/**

64
types/wlr_linux_dmabuf.c
View File

@ -7,26 +7,29 @@
#include <wlr/types/wlr_linux_dmabuf.h>
#include <wlr/util/log.h>
#include "linux-dmabuf-unstable-v1-protocol.h"
#include "util/signal.h"
static void wl_buffer_destroy(struct wl_client *client,
#define LINUX_DMABUF_VERSION 3
static void buffer_handle_destroy(struct wl_client *client,
struct wl_resource *resource) {
wl_resource_destroy(resource);
}
static const struct wl_buffer_interface wl_buffer_impl = {
wl_buffer_destroy,
static const struct wl_buffer_interface buffer_impl = {
.destroy = buffer_handle_destroy,
};
bool wlr_dmabuf_resource_is_buffer(struct wl_resource *buffer_resource) {
if (!wl_resource_instance_of(buffer_resource, &wl_buffer_interface,
&wl_buffer_impl)) {
&buffer_impl)) {
return false;
}
struct wlr_dmabuf_buffer *buffer =
wl_resource_get_user_data(buffer_resource);
if (buffer && buffer->buffer_resource && !buffer->params_resource &&
buffer->buffer_resource == buffer_resource) {
buffer->buffer_resource == buffer_resource) {
return true;
}
@ -36,7 +39,7 @@ bool wlr_dmabuf_resource_is_buffer(struct wl_resource *buffer_resource) {
struct wlr_dmabuf_buffer *wlr_dmabuf_buffer_from_buffer_resource(
struct wl_resource *buffer_resource) {
assert(wl_resource_instance_of(buffer_resource, &wl_buffer_interface,
&wl_buffer_impl));
&buffer_impl));
struct wlr_dmabuf_buffer *buffer =
wl_resource_get_user_data(buffer_resource);
@ -103,11 +106,9 @@ static void params_add(struct wl_client *client,
buffer->attributes.n_planes++;
}
static void handle_buffer_destroy(struct wl_resource *buffer_resource)
{
static void buffer_handle_resource_destroy(struct wl_resource *buffer_resource) {
struct wlr_dmabuf_buffer *buffer =
wlr_dmabuf_buffer_from_buffer_resource(buffer_resource);
linux_dmabuf_buffer_destroy(buffer);
}
@ -144,7 +145,7 @@ static void params_create_common(struct wl_client *client,
if ((buffer->attributes.fd[3] >= 0 || buffer->attributes.fd[2] >= 0) &&
(buffer->attributes.fd[2] == -1 || buffer->attributes.fd[1] == -1)) {
wl_resource_post_error (params_resource,
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
"gap in dmabuf planes");
goto err_out;
@ -229,7 +230,7 @@ static void params_create_common(struct wl_client *client,
}
wl_resource_set_implementation(buffer->buffer_resource,
&wl_buffer_impl, buffer, handle_buffer_destroy);
&buffer_impl, buffer, buffer_handle_resource_destroy);
/* send 'created' event when the request is not for an immediate
* import, that is buffer_id is zero */
@ -324,8 +325,7 @@ static void linux_dmabuf_create_params(struct wl_client *client,
buffer->renderer = linux_dmabuf->renderer;
buffer->params_resource = wl_resource_create(client,
&zwp_linux_buffer_params_v1_interface,
version, params_id);
&zwp_linux_buffer_params_v1_interface, version, params_id);
if (!buffer->params_resource) {
goto err_free;
}
@ -400,6 +400,10 @@ static void linux_dmabuf_send_modifiers(struct wlr_linux_dmabuf *linux_dmabuf,
free(formats);
}
static void linux_dmabuf_resource_destroy(struct wl_resource *resource) {
wl_list_remove(wl_resource_get_link(resource));
}
static void linux_dmabuf_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id) {
struct wlr_linux_dmabuf *linux_dmabuf = data;
@ -410,21 +414,29 @@ static void linux_dmabuf_bind(struct wl_client *client, void *data,
wl_client_post_no_memory(client);
return;
}
wl_resource_set_implementation(resource, &linux_dmabuf_impl,
linux_dmabuf, NULL);
if (version < ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION) {
return;
}
linux_dmabuf, linux_dmabuf_resource_destroy);
wl_list_insert(&linux_dmabuf->wl_resources, wl_resource_get_link(resource));
linux_dmabuf_send_modifiers(linux_dmabuf, resource);
if (version >= ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION) {
linux_dmabuf_send_modifiers(linux_dmabuf, resource);
}
}
void wlr_linux_dmabuf_destroy(struct wlr_linux_dmabuf *linux_dmabuf) {
if (!linux_dmabuf) {
return;
}
wlr_signal_emit_safe(&linux_dmabuf->events.destroy, linux_dmabuf);
wl_list_remove(&linux_dmabuf->display_destroy.link);
wl_list_remove(&linux_dmabuf->renderer_destroy.link);
struct wl_resource *resource, *tmp;
wl_resource_for_each_safe(resource, tmp, &linux_dmabuf->wl_resources) {
wl_resource_destroy(resource);
}
wl_global_destroy(linux_dmabuf->wl_global);
free(linux_dmabuf);
@ -436,6 +448,12 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
wlr_linux_dmabuf_destroy(linux_dmabuf);
}
static void handle_renderer_destroy(struct wl_listener *listener, void *data) {
struct wlr_linux_dmabuf *linux_dmabuf =
wl_container_of(listener, linux_dmabuf, renderer_destroy);
wlr_linux_dmabuf_destroy(linux_dmabuf);
}
struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display,
struct wlr_renderer *renderer) {
struct wlr_linux_dmabuf *linux_dmabuf =
@ -446,9 +464,12 @@ struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display,
}
linux_dmabuf->renderer = renderer;
wl_list_init(&linux_dmabuf->wl_resources);
wl_signal_init(&linux_dmabuf->events.destroy);
linux_dmabuf->wl_global =
wl_global_create(display, &zwp_linux_dmabuf_v1_interface,
3, linux_dmabuf, linux_dmabuf_bind);
LINUX_DMABUF_VERSION, linux_dmabuf, linux_dmabuf_bind);
if (!linux_dmabuf->wl_global) {
wlr_log(L_ERROR, "could not create linux dmabuf v1 wl global");
free(linux_dmabuf);
@ -458,5 +479,8 @@ struct wlr_linux_dmabuf *wlr_linux_dmabuf_create(struct wl_display *display,
linux_dmabuf->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &linux_dmabuf->display_destroy);
linux_dmabuf->renderer_destroy.notify = handle_renderer_destroy;
wl_signal_add(&renderer->events.destroy, &linux_dmabuf->renderer_destroy);
return linux_dmabuf;
}