void swc_drm_finalize()
{
if (drm.global)
wl_global_destroy(drm.global);
wl_event_source_remove(drm.event_source);
wld_destroy_renderer(swc.drm->renderer);
wld_destroy_context(swc.drm->context);
close(swc.drm->fd);
}
bool swc_shm_initialize()
{
if (!(swc.shm->context = wld_pixman_create_context()))
goto error0;
if (!(swc.shm->renderer = wld_create_renderer(swc.shm->context)))
goto error1;
shm.global = wl_global_create(swc.display, &wl_shm_interface, 1,
NULL, &bind_shm);
if (!shm.global)
goto error2;
return true;
error2:
wld_destroy_renderer(swc.shm->renderer);
error1:
wld_destroy_context(swc.shm->context);
error0:
return false;
}
void swc_shm_finalize()
{
wl_global_destroy(shm.global);
wld_destroy_renderer(swc.shm->renderer);
wld_destroy_context(swc.shm->context);
}
bool swc_drm_initialize()
{
struct stat master, render;
if (!find_primary_drm_device(drm.path, sizeof drm.path))
{
ERROR("Could not find DRM device\n");
goto error0;
}
drm.taken_ids = 0;
swc.drm->fd = launch_open_device(drm.path, O_RDWR | O_CLOEXEC);
if (swc.drm->fd == -1)
{
ERROR("Could not open DRM device at %s\n", drm.path);
goto error0;
}
if (fstat(swc.drm->fd, &master) != 0)
{
ERROR("Could not fstat DRM FD: %s\n", strerror(errno));
goto error1;
}
if (snprintf(drm.path, sizeof drm.path, "/dev/dri/renderD%d",
minor(master.st_rdev) + 0x80) >= sizeof drm.path)
{
ERROR("Render node path is too long");
goto error1;
}
if (stat(drm.path, &render) != 0)
{
ERROR("Could not stat render node for primary DRM device: %s\n",
strerror(errno));
goto error1;
}
if (master.st_mode != render.st_mode
|| minor(master.st_rdev) + 0x80 != minor(render.st_rdev))
{
ERROR("Render node does not have expected mode or minor number\n");
goto error1;
}
if (!(swc.drm->context = wld_drm_create_context(swc.drm->fd)))
{
ERROR("Could not create WLD DRM context\n");
goto error1;
}
if (!(swc.drm->renderer = wld_create_renderer(swc.drm->context)))
{
ERROR("Could not create WLD DRM renderer\n");
goto error2;
}
drm.event_source = wl_event_loop_add_fd
(swc.event_loop, swc.drm->fd, WL_EVENT_READABLE, &handle_data, NULL);
if (!drm.event_source)
{
ERROR("Could not create DRM event source\n");
goto error3;
}
if (!wld_drm_is_dumb(swc.drm->context))
{
drm.global = wl_global_create(swc.display, &wl_drm_interface, 2,
NULL, &bind_drm);
if (!drm.global)
{
ERROR("Could not create wl_drm global\n");
goto error4;
}
}
return true;
error4:
wl_event_source_remove(drm.event_source);
error3:
wld_destroy_renderer(swc.drm->renderer);
error2:
wld_destroy_context(swc.drm->context);
error1:
close(swc.drm->fd);
error0:
return false;
}
