This implements a way to import FDs with modifiers on plain GBM devices, without the need to go through EGL. This is mostly to the benefit of gbm_gralloc, which can keep its dependencies low.
Signed-off-by: Lucas Stach <l.st...@pengutronix.de> --- src/gbm/backends/dri/gbm_dri.c | 54 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c index 7fb569078b27..19be440d48e3 100644 --- a/src/gbm/backends/dri/gbm_dri.c +++ b/src/gbm/backends/dri/gbm_dri.c @@ -932,6 +932,60 @@ gbm_dri_bo_import(struct gbm_device *gbm, break; } + case GBM_BO_IMPORT_FD_MODIFIER: + { + struct gbm_import_fd_modifier_data *fd_data = buffer; + unsigned int error; + int fourcc; + + /* Import with modifier requires createImageFromDmaBufs2 */ + if (dri->image == NULL || dri->image->base.version < 15 || + dri->image->createImageFromDmaBufs2 == NULL) { + errno = ENOSYS; + return NULL; + } + + switch(fd_data->format) { + case GBM_FORMAT_RGB565: + fourcc = __DRI_IMAGE_FOURCC_RGB565; + break; + case GBM_FORMAT_ARGB8888: + case GBM_BO_FORMAT_ARGB8888: + fourcc = __DRI_IMAGE_FOURCC_ARGB8888; + break; + case GBM_FORMAT_XRGB8888: + case GBM_BO_FORMAT_XRGB8888: + fourcc = __DRI_IMAGE_FOURCC_XRGB8888; + break; + case GBM_FORMAT_ABGR8888: + fourcc = __DRI_IMAGE_FOURCC_ABGR8888; + break; + case GBM_FORMAT_XBGR8888: + fourcc = __DRI_IMAGE_FOURCC_XBGR8888; + break; + default: + errno = EINVAL; + return NULL; + } + + image = dri->image->createImageFromDmaBufs2(dri->screen, fd_data->width, + fd_data->height, fourcc, + fd_data->modifier, + fd_data->fds, + fd_data->num_fds, + fd_data->strides, + fd_data->offsets, + 0, 0, 0, 0, + &error, NULL); + if (image == NULL) { + errno = ENOSYS; + return NULL; + } + + gbm_format = fd_data->format; + break; + } + default: errno = ENOSYS; return NULL; -- 2.11.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev