static void
bind_output (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
MetaWaylandOutput *wayland_output = data;
MetaOutput *output = wayland_output->output;
struct wl_resource *resource;
guint mode_flags;
resource = wl_resource_create (client, &wl_output_interface,
MIN (META_WL_OUTPUT_VERSION, version), id);
wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
wl_resource_set_user_data (resource, wayland_output);
wl_resource_set_destructor (resource, output_resource_destroy);
meta_verbose ("Binding output %p/%s (%u, %u, %u, %u) x %f\n",
output, output->name,
output->crtc->rect.x, output->crtc->rect.y,
output->crtc->rect.width, output->crtc->rect.height,
output->crtc->current_mode->refresh_rate);
wl_resource_post_event (resource,
WL_OUTPUT_GEOMETRY,
(int)output->crtc->rect.x,
(int)output->crtc->rect.y,
output->width_mm,
output->height_mm,
/* Cogl values reflect XRandR values,
and so does wayland */
output->subpixel_order,
output->vendor,
output->product,
output->crtc->transform);
g_assert (output->crtc->current_mode != NULL);
mode_flags = WL_OUTPUT_MODE_CURRENT;
if (output->crtc->current_mode == output->preferred_mode)
mode_flags |= WL_OUTPUT_MODE_PREFERRED;
wl_resource_post_event (resource,
WL_OUTPUT_MODE,
mode_flags,
(int)output->crtc->current_mode->width,
(int)output->crtc->current_mode->height,
(int)output->crtc->current_mode->refresh_rate);
output->scale = compute_scale (output);
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION)
wl_resource_post_event (resource,
WL_OUTPUT_SCALE,
output->scale);
if (version >= WL_OUTPUT_DONE_SINCE_VERSION)
wl_resource_post_event (resource,
WL_OUTPUT_DONE);
}
static void
bind_output (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
MetaWaylandOutput *wayland_output = data;
MetaMonitorInfo *monitor_info = wayland_output->monitor_info;
struct wl_resource *resource;
MetaOutput *output = monitor_info->outputs[0];
resource = wl_resource_create (client, &wl_output_interface, version, id);
wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
wl_resource_set_user_data (resource, wayland_output);
wl_resource_set_destructor (resource, output_resource_destroy);
meta_verbose ("Binding monitor %p/%s (%u, %u, %u, %u) x %f\n",
monitor_info, output->name,
monitor_info->rect.x, monitor_info->rect.y,
monitor_info->rect.width, monitor_info->rect.height,
monitor_info->refresh_rate);
send_output_events (resource, wayland_output, monitor_info, TRUE);
}
static void
meta_wayland_output_finalize (GObject *object)
{
MetaWaylandOutput *wayland_output = META_WAYLAND_OUTPUT (object);
GList *l;
wl_global_destroy (wayland_output->global);
/* Make sure the wl_output destructor doesn't try to access MetaWaylandOutput
* after we have freed it.
*/
for (l = wayland_output->resources; l; l = l->next)
{
struct wl_resource *output_resource = l->data;
wl_resource_set_user_data (output_resource, NULL);
}
g_list_free (wayland_output->resources);
G_OBJECT_CLASS (meta_wayland_output_parent_class)->finalize (object);
}
static void
on_surface_destroyed (MetaWaylandSurface *surface)
{
wl_resource_set_user_data (surface->viewport.resource, NULL);
}
static void
params_create(struct wl_client *client,
struct wl_resource *params_resource,
int32_t width,
int32_t height,
uint32_t format,
uint32_t flags)
{
struct linux_dmabuf_buffer *buffer;
int i;
buffer = wl_resource_get_user_data(params_resource);
if (!buffer) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_ALREADY_USED,
"params was already used to create a wl_buffer");
return;
}
assert(buffer->params_resource == params_resource);
assert(!buffer->buffer_resource);
/* Switch the linux_dmabuf_buffer object from params resource to
* eventually wl_buffer resource.
*/
wl_resource_set_user_data(buffer->params_resource, NULL);
buffer->params_resource = NULL;
if (!buffer->attributes.n_planes) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
"no dmabuf has been added to the params");
goto err_out;
}
/* Check for holes in the dmabufs set (e.g. [0, 1, 3]) */
for (i = 0; i < buffer->attributes.n_planes; i++) {
if (buffer->attributes.fd[i] == -1) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INCOMPLETE,
"no dmabuf has been added for plane %i", i);
goto err_out;
}
}
buffer->attributes.width = width;
buffer->attributes.height = height;
buffer->attributes.format = format;
buffer->attributes.flags = flags;
if (width < 1 || height < 1) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_INVALID_DIMENSIONS,
"invalid width %d or height %d", width, height);
goto err_out;
}
for (i = 0; i < buffer->attributes.n_planes; i++) {
off_t size;
if ((uint64_t) buffer->attributes.offset[i] + buffer->attributes.stride[i] > UINT32_MAX) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
"size overflow for plane %i", i);
goto err_out;
}
if (i == 0 &&
(uint64_t) buffer->attributes.offset[i] +
(uint64_t) buffer->attributes.stride[i] * height > UINT32_MAX) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
"size overflow for plane %i", i);
goto err_out;
}
/* Don't report an error as it might be caused
* by the kernel not supporting seeking on dmabuf */
size = lseek(buffer->attributes.fd[i], 0, SEEK_END);
if (size == -1)
break;
if (buffer->attributes.offset[i] >= size) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
"invalid offset %i for plane %i",
buffer->attributes.offset[i], i);
goto err_out;
}
if (buffer->attributes.offset[i] + buffer->attributes.stride[i] > size) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
"invalid stride %i for plane %i",
buffer->attributes.stride[i], i);
goto err_out;
}
/* Only valid for first plane as other planes might be
* sub-sampled according to fourcc format */
if (i == 0 &&
buffer->attributes.offset[i] + buffer->attributes.stride[i] * height > size) {
wl_resource_post_error(params_resource,
ZWP_LINUX_BUFFER_PARAMS_V1_ERROR_OUT_OF_BOUNDS,
"invalid buffer stride or height for plane %i", i);
goto err_out;
}
}
/* XXX: Some additional sanity checks could be done with respect
* to the fourcc format. A centralized collection (kernel or
* libdrm) would be useful to avoid code duplication for these
* checks (e.g. drm_format_num_planes).
*/
if (!weston_compositor_import_dmabuf(buffer->compositor, buffer))
goto err_failed;
buffer->buffer_resource = wl_resource_create(client,
&wl_buffer_interface,
1, 0);
if (!buffer->buffer_resource) {
wl_resource_post_no_memory(params_resource);
goto err_buffer;
}
wl_resource_set_implementation(buffer->buffer_resource,
&linux_dmabuf_buffer_implementation,
buffer, destroy_linux_dmabuf_wl_buffer);
zwp_linux_buffer_params_v1_send_created(params_resource,
buffer->buffer_resource);
return;
err_buffer:
if (buffer->user_data_destroy_func)
buffer->user_data_destroy_func(buffer);
err_failed:
zwp_linux_buffer_params_v1_send_failed(params_resource);
err_out:
linux_dmabuf_buffer_destroy(buffer);
}
