struct vl_screen *omx_get_screen(void)
{
static bool first_time = true;
mtx_lock(&omx_lock);
if (!omx_screen) {
if (first_time) {
omx_render_node = debug_get_option("OMX_RENDER_NODE", NULL);
first_time = false;
}
if (omx_render_node) {
drm_fd = loader_open_device(omx_render_node);
if (drm_fd < 0)
goto error;
omx_screen = vl_drm_screen_create(drm_fd);
if (!omx_screen) {
close(drm_fd);
goto error;
}
} else {
omx_display = XOpenDisplay(NULL);
if (!omx_display)
goto error;
omx_screen = vl_dri3_screen_create(omx_display, 0);
if (!omx_screen)
omx_screen = vl_dri2_screen_create(omx_display, 0);
if (!omx_screen) {
XCloseDisplay(omx_display);
goto error;
}
}
}
++omx_usecount;
mtx_unlock(&omx_lock);
return omx_screen;
error:
mtx_unlock(&omx_lock);
return NULL;
}
static EGLBoolean
dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
{
xcb_xfixes_query_version_reply_t *xfixes_query;
xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_connect_reply_t *connect;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_generic_error_t *error;
xcb_screen_iterator_t s;
xcb_screen_t *screen;
char *driver_name, *loader_driver_name, *device_name;
const xcb_query_extension_reply_t *extension;
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
return EGL_FALSE;
extension = xcb_get_extension_data(dri2_dpy->conn, &xcb_dri2_id);
if (!(extension && extension->present))
return EGL_FALSE;
xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
screen = get_xcb_screen(s, dri2_dpy->screen);
if (!screen) {
_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
return EGL_FALSE;
}
connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, screen->root,
XCB_DRI2_DRIVER_TYPE_DRI);
xfixes_query =
xcb_xfixes_query_version_reply (dri2_dpy->conn,
xfixes_query_cookie, &error);
if (xfixes_query == NULL ||
error != NULL || xfixes_query->major_version < 2) {
_eglLog(_EGL_WARNING, "DRI2: failed to query xfixes version");
free(error);
return EGL_FALSE;
}
free(xfixes_query);
dri2_query =
xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL) {
_eglLog(_EGL_WARNING, "DRI2: failed to query version");
free(error);
return EGL_FALSE;
}
dri2_dpy->dri2_major = dri2_query->major_version;
dri2_dpy->dri2_minor = dri2_query->minor_version;
free(dri2_query);
connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0) {
_eglLog(_EGL_WARNING, "DRI2: failed to authenticate");
return EGL_FALSE;
}
device_name = xcb_dri2_connect_device_name (connect);
dri2_dpy->device_name =
strndup(device_name,
xcb_dri2_connect_device_name_length(connect));
dri2_dpy->fd = loader_open_device(dri2_dpy->device_name);
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_WARNING,
"DRI2: could not open %s (%s)", dri2_dpy->device_name,
strerror(errno));
free(dri2_dpy->device_name);
free(connect);
return EGL_FALSE;
}
if (!dri2_x11_local_authenticate(dri2_dpy)) {
close(dri2_dpy->fd);
free(dri2_dpy->device_name);
free(connect);
return EGL_FALSE;
}
driver_name = xcb_dri2_connect_driver_name (connect);
/* If Mesa knows about the appropriate driver for this fd, then trust it.
* Otherwise, default to the server's value.
*/
loader_driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
if (loader_driver_name) {
dri2_dpy->driver_name = loader_driver_name;
} else {
dri2_dpy->driver_name =
strndup(driver_name,
xcb_dri2_connect_driver_name_length(connect));
}
if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) {
close(dri2_dpy->fd);
free(dri2_dpy->device_name);
free(dri2_dpy->driver_name);
free(connect);
return EGL_FALSE;
}
free(connect);
return EGL_TRUE;
}
EGLBoolean
dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
struct gbm_device *gbm;
int fd = -1;
int i;
loader_set_logger(_eglLog);
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
disp->DriverData = (void *) dri2_dpy;
gbm = disp->PlatformDisplay;
if (gbm == NULL) {
char buf[64];
int n = snprintf(buf, sizeof(buf), DRM_DEV_NAME, DRM_DIR_NAME, 0);
if (n != -1 && n < sizeof(buf))
fd = loader_open_device(buf);
if (fd < 0)
fd = loader_open_device("/dev/dri/card0");
dri2_dpy->own_device = 1;
gbm = gbm_create_device(fd);
if (gbm == NULL)
goto cleanup;
} else {
fd = fcntl(gbm_device_get_fd(gbm), F_DUPFD_CLOEXEC, 3);
if (fd < 0)
goto cleanup;
}
if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0)
goto cleanup;
dri2_dpy->gbm_dri = gbm_dri_device(gbm);
if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI)
goto cleanup;
dri2_dpy->fd = fd;
dri2_dpy->driver_name = strdup(dri2_dpy->gbm_dri->base.driver_name);
dri2_dpy->dri_screen = dri2_dpy->gbm_dri->screen;
dri2_dpy->core = dri2_dpy->gbm_dri->core;
dri2_dpy->dri2 = dri2_dpy->gbm_dri->dri2;
dri2_dpy->fence = dri2_dpy->gbm_dri->fence;
dri2_dpy->image = dri2_dpy->gbm_dri->image;
dri2_dpy->flush = dri2_dpy->gbm_dri->flush;
dri2_dpy->swrast = dri2_dpy->gbm_dri->swrast;
dri2_dpy->driver_configs = dri2_dpy->gbm_dri->driver_configs;
dri2_dpy->gbm_dri->lookup_image = dri2_lookup_egl_image;
dri2_dpy->gbm_dri->lookup_user_data = disp;
dri2_dpy->gbm_dri->get_buffers = dri2_drm_get_buffers;
dri2_dpy->gbm_dri->flush_front_buffer = dri2_drm_flush_front_buffer;
dri2_dpy->gbm_dri->get_buffers_with_format = dri2_drm_get_buffers_with_format;
dri2_dpy->gbm_dri->image_get_buffers = dri2_drm_image_get_buffers;
dri2_dpy->gbm_dri->swrast_put_image2 = swrast_put_image2;
dri2_dpy->gbm_dri->swrast_get_image = swrast_get_image;
dri2_dpy->gbm_dri->base.base.surface_lock_front_buffer = lock_front_buffer;
dri2_dpy->gbm_dri->base.base.surface_release_buffer = release_buffer;
dri2_dpy->gbm_dri->base.base.surface_has_free_buffers = has_free_buffers;
dri2_setup_screen(disp);
for (i = 0; dri2_dpy->driver_configs[i]; i++) {
EGLint format, attr_list[3];
unsigned int red, alpha;
dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
__DRI_ATTRIB_RED_MASK, &red);
dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
__DRI_ATTRIB_ALPHA_MASK, &alpha);
if (red == 0x3ff00000 && alpha == 0x00000000)
format = GBM_FORMAT_XRGB2101010;
else if (red == 0x3ff00000 && alpha == 0xc0000000)
format = GBM_FORMAT_ARGB2101010;
else if (red == 0x00ff0000 && alpha == 0x00000000)
format = GBM_FORMAT_XRGB8888;
else if (red == 0x00ff0000 && alpha == 0xff000000)
format = GBM_FORMAT_ARGB8888;
else if (red == 0xf800)
format = GBM_FORMAT_RGB565;
else
continue;
attr_list[0] = EGL_NATIVE_VISUAL_ID;
attr_list[1] = format;
attr_list[2] = EGL_NONE;
dri2_add_config(disp, dri2_dpy->driver_configs[i],
i + 1, EGL_WINDOW_BIT, attr_list, NULL);
}
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
if (dri2_dpy->dri2)
disp->Extensions.EXT_buffer_age = EGL_TRUE;
#ifdef HAVE_WAYLAND_PLATFORM
if (dri2_dpy->image) {
dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
if (dri2_dpy->image->base.version >= 10 &&
dri2_dpy->image->getCapabilities != NULL) {
int capabilities;
capabilities =
dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
disp->Extensions.WL_bind_wayland_display =
(capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
} else
disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
}
#endif
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &dri2_drm_display_vtbl;
return EGL_TRUE;
cleanup:
if (fd >= 0)
close(fd);
free(dri2_dpy);
disp->DriverData = NULL;
return EGL_FALSE;
}
EGLBoolean
dri2_initialize_surfaceless(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
const char* err;
int i;
int driver_loaded = 0;
loader_set_logger(_eglLog);
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
disp->DriverData = (void *) dri2_dpy;
const int limit = 64;
const int base = 128;
for (i = 0; i < limit; ++i) {
char *card_path;
if (asprintf(&card_path, DRM_RENDER_DEV_NAME, DRM_DIR_NAME, base + i) < 0)
continue;
dri2_dpy->fd = loader_open_device(card_path);
free(card_path);
if (dri2_dpy->fd < 0)
continue;
dri2_dpy->driver_name = loader_get_driver_for_fd(dri2_dpy->fd, 0);
if (dri2_dpy->driver_name) {
if (dri2_load_driver(disp)) {
driver_loaded = 1;
break;
}
free(dri2_dpy->driver_name);
}
close(dri2_dpy->fd);
}
if (!driver_loaded) {
err = "DRI2: failed to load driver";
goto cleanup_display;
}
dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
dri2_dpy->dri2_loader_extension.base.version = 3;
dri2_dpy->dri2_loader_extension.getBuffers = NULL;
dri2_dpy->dri2_loader_extension.flushFrontBuffer =
surfaceless_flush_front_buffer;
dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
surfaceless_get_buffers_with_format;
dri2_dpy->extensions[0] = &image_loader_extension.base;
dri2_dpy->extensions[1] = &image_lookup_extension.base;
dri2_dpy->extensions[2] = &use_invalidate.base;
dri2_dpy->extensions[3] = NULL;
if (!dri2_create_screen(disp)) {
err = "DRI2: failed to create screen";
goto cleanup_driver;
}
if (!surfaceless_add_configs_for_visuals(drv, disp)) {
err = "DRI2: failed to add configs";
goto cleanup_screen;
}
disp->Extensions.KHR_image_base = EGL_TRUE;
/* Fill vtbl last to prevent accidentally calling virtual function during
* initialization.
*/
dri2_dpy->vtbl = &dri2_surfaceless_display_vtbl;
return EGL_TRUE;
cleanup_screen:
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
cleanup_driver:
dlclose(dri2_dpy->driver);
free(dri2_dpy->driver_name);
close(dri2_dpy->fd);
cleanup_display:
free(dri2_dpy);
return _eglError(EGL_NOT_INITIALIZED, err);
}
struct vl_screen *
vl_dri2_screen_create(Display *display, int screen)
{
struct vl_dri_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query = NULL;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_dri2_connect_reply_t *connect = NULL;
xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_dri2_authenticate_reply_t *authenticate = NULL;
xcb_screen_iterator_t s;
xcb_generic_error_t *error = NULL;
char *device_name;
int fd, device_name_length;
unsigned driverType;
drm_magic_t magic;
assert(display);
scrn = CALLOC_STRUCT(vl_dri_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri2_id);
if (!(extension && extension->present))
goto free_screen;
dri2_query_cookie = xcb_dri2_query_version (scrn->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
dri2_query = xcb_dri2_query_version_reply (scrn->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL || dri2_query->minor_version < 2)
goto free_query;
s = xcb_setup_roots_iterator(xcb_get_setup(scrn->conn));
scrn->base.xcb_screen = get_xcb_screen(s, screen);
if (!scrn->base.xcb_screen)
goto free_query;
driverType = XCB_DRI2_DRIVER_TYPE_DRI;
{
char *prime = getenv("DRI_PRIME");
if (prime) {
unsigned primeid;
errno = 0;
primeid = strtoul(prime, NULL, 0);
if (errno == 0)
driverType |=
((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
}
}
connect_cookie = xcb_dri2_connect_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, driverType);
connect = xcb_dri2_connect_reply(scrn->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0)
goto free_connect;
device_name_length = xcb_dri2_connect_device_name_length(connect);
device_name = CALLOC(1, device_name_length + 1);
if (!device_name)
goto free_connect;
memcpy(device_name, xcb_dri2_connect_device_name(connect), device_name_length);
fd = loader_open_device(device_name);
free(device_name);
if (fd < 0)
goto free_connect;
if (drmGetMagic(fd, &magic))
goto close_fd;
authenticate_cookie = xcb_dri2_authenticate_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, magic);
authenticate = xcb_dri2_authenticate_reply(scrn->conn, authenticate_cookie, NULL);
if (authenticate == NULL || !authenticate->authenticated)
goto free_authenticate;
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->base.destroy = vl_dri2_screen_destroy;
scrn->base.texture_from_drawable = vl_dri2_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri2_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri2_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri2_screen_set_next_timestamp;
scrn->base.get_private = vl_dri2_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri2_flush_frontbuffer;
vl_compositor_reset_dirty_area(&scrn->dirty_areas[0]);
vl_compositor_reset_dirty_area(&scrn->dirty_areas[1]);
/* The pipe loader duplicates the fd */
close(fd);
free(authenticate);
free(connect);
free(dri2_query);
free(error);
return &scrn->base;
release_pipe:
if (scrn->base.dev)
pipe_loader_release(&scrn->base.dev, 1);
free_authenticate:
free(authenticate);
close_fd:
close(fd);
free_connect:
free(connect);
free_query:
free(dri2_query);
free(error);
free_screen:
FREE(scrn);
return NULL;
}
int loader_get_user_preferred_fd(int default_fd, int *different_device)
{
/* Arbitrary "maximum" value of drm devices. */
#define MAX_DRM_DEVICES 32
const char *dri_prime = getenv("DRI_PRIME");
char *default_tag, *prime = NULL;
drmDevicePtr devices[MAX_DRM_DEVICES];
int i, num_devices, fd;
bool found = false;
if (dri_prime)
prime = strdup(dri_prime);
#ifdef USE_DRICONF
else
prime = loader_get_dri_config_device_id();
#endif
if (prime == NULL) {
*different_device = 0;
return default_fd;
}
default_tag = drm_get_id_path_tag_for_fd(default_fd);
if (default_tag == NULL)
goto err;
num_devices = drmGetDevices(devices, MAX_DRM_DEVICES);
if (num_devices < 0)
goto err;
/* two format are supported:
* "1": choose any other card than the card used by default.
* id_path_tag: (for example "pci-0000_02_00_0") choose the card
* with this id_path_tag.
*/
if (!strcmp(prime,"1")) {
/* Hmm... detection for 2-7 seems to be broken. Oh well ...
* Pick the first render device that is not our own.
*/
for (i = 0; i < num_devices; i++) {
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
!drm_device_matches_tag(devices[i], default_tag)) {
found = true;
break;
}
}
} else {
for (i = 0; i < num_devices; i++) {
if (devices[i]->available_nodes & 1 << DRM_NODE_RENDER &&
drm_device_matches_tag(devices[i], prime)) {
found = true;
break;
}
}
}
if (!found) {
drmFreeDevices(devices, num_devices);
goto err;
}
fd = loader_open_device(devices[i]->nodes[DRM_NODE_RENDER]);
drmFreeDevices(devices, num_devices);
if (fd < 0)
goto err;
close(default_fd);
*different_device = !!strcmp(default_tag, prime);
free(default_tag);
free(prime);
return fd;
err:
*different_device = 0;
free(default_tag);
free(prime);
return default_fd;
}