diff options
Diffstat (limited to 'src/gbm/backends')
| -rw-r--r-- | src/gbm/backends/dri/gbm_dri.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c index 3faa19e3f19..9bd647fa19f 100644 --- a/src/gbm/backends/dri/gbm_dri.c +++ b/src/gbm/backends/dri/gbm_dri.c @@ -599,6 +599,32 @@ gbm_dri_bo_get_fd(struct gbm_bo *_bo) return fd; } +static int +get_number_planes(struct gbm_dri_device *dri, __DRIimage *image) +{ + int num_planes = 0; + + /* Dumb buffers are single-plane only. */ + if (!image) + return 1; + + dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_NUM_PLANES, &num_planes); + + if (num_planes <= 0) + num_planes = 1; + + return num_planes; +} + +static int +gbm_dri_bo_get_planes(struct gbm_bo *_bo) +{ + struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm); + struct gbm_dri_bo *bo = gbm_dri_bo(_bo); + + return get_number_planes(dri, bo->image); +} + static void gbm_dri_bo_destroy(struct gbm_bo *_bo) { @@ -1091,6 +1117,7 @@ dri_device_create(int fd) dri->base.base.is_format_supported = gbm_dri_is_format_supported; dri->base.base.bo_write = gbm_dri_bo_write; dri->base.base.bo_get_fd = gbm_dri_bo_get_fd; + dri->base.base.bo_get_planes = gbm_dri_bo_get_planes; dri->base.base.bo_destroy = gbm_dri_bo_destroy; dri->base.base.destroy = dri_destroy; dri->base.base.surface_create = gbm_dri_surface_create; |