OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gbm: implement FD import with modifier

Browse Source 
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.stach@pengutronix.de>
Tested-by: Robert Foss <robert.foss@collabora.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Lucas Stach
2017-06-08 20:56:17 +02:00
committed by Emil Velikov
parent 71b78b6b0c
commit 4026744fcb
1 changed files with 54 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/gbm/backends/dri/gbm_dri.c
View File

@@ -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;