static void create_prime_buffer(struct wl_client * client,
struct wl_resource * resource, uint32_t id,
int32_t fd, int32_t width, int32_t height,
uint32_t format,
int32_t offset0, int32_t stride0,
int32_t offset1, int32_t stride1,
int32_t offset2, int32_t stride2)
{
struct wld_buffer * buffer;
struct wl_resource * buffer_resource;
union wld_object object = { .i = fd };
buffer = wld_import_buffer(swc.drm->context, WLD_DRM_OBJECT_PRIME_FD,
object, width, height, format, stride0);
close(fd);
if (!buffer)
goto error0;
buffer_resource = swc_wayland_buffer_create_resource
(client, wl_resource_get_version(resource), id, buffer);
if (!buffer_resource)
goto error1;
return;
error1:
wld_buffer_unreference(buffer);
error0:
wl_resource_post_no_memory(resource);
}
static void create_buffer(struct wl_client * client,
struct wl_resource * resource, uint32_t id,
int32_t offset, int32_t width, int32_t height,
int32_t stride, uint32_t format)
{
struct pool * pool = wl_resource_get_user_data(resource);
struct pool_reference * reference;
struct wld_buffer * buffer;
struct wl_resource * buffer_resource;
union wld_object object;
if (offset > pool->size || offset < 0)
{
wl_resource_post_error(resource, WL_SHM_ERROR_INVALID_STRIDE,
"offset is too big or negative");
return;
}
object.ptr = (void *)((uintptr_t) pool->data + offset);
buffer = wld_import_buffer(swc.shm->context, WLD_OBJECT_DATA, object,
width, height, format_shm_to_wld(format),
stride);
if (!buffer)
goto error0;
buffer_resource = wayland_buffer_create_resource
(client, wl_resource_get_version(resource), id, buffer);
if (!buffer_resource)
goto error1;
if (!(reference = malloc(sizeof *reference)))
goto error2;
reference->pool = pool;
reference->destructor.destroy = &handle_buffer_destroy;
wld_buffer_add_destructor(buffer, &reference->destructor);
++pool->references;
return;
error2:
wl_resource_destroy(buffer_resource);
error1:
wld_buffer_unreference(buffer);
error0:
wl_resource_post_no_memory(resource);
}
static void destroy_buffer(struct wl_resource * resource)
{
struct wld_buffer * buffer = wl_resource_get_user_data(resource);
wld_buffer_unreference(buffer);
}