gbm: Add gbm_bo_get_fd()

[mesa.git] / src / gbm / backends / dri / gbm_dri.c

diff --git a/src/gbm/backends/dri/gbm_dri.c b/src/gbm/backends/dri/gbm_dri.c
index 5b9998ff6e0ae53512ac127a890e232035efea9b..a674036bf6f7a6c65bf5e16b2a5a7c88dca007ad 100644 (file)
--- a/src/gbm/backends/dri/gbm_dri.c
+++ b/src/gbm/backends/dri/gbm_dri.c
@@ -361,6 +361,21 @@ gbm_dri_bo_write(struct gbm_bo *_bo, const void *buf, size_t count)
    return 0;
 }
 
+static int
+gbm_dri_bo_get_fd(struct gbm_bo *_bo)
+{
+   struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
+   struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+   int fd;
+
+   if (bo->image == NULL)
+      return -1;
+
+   dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_FD, &fd);
+
+   return fd;
+}
+
 static void
 gbm_dri_bo_destroy(struct gbm_bo *_bo)
 {
@@ -611,7 +626,7 @@ gbm_dri_bo_create(struct gbm_device *gbm,
       dri_format = __DRI_IMAGE_FORMAT_XRGB2101010;
       break;
    default:
-      return NULL;
+      goto failed;
    }
 
    if (usage & GBM_BO_USE_SCANOUT)
@@ -628,7 +643,7 @@ gbm_dri_bo_create(struct gbm_device *gbm,
                               dri_format, dri_use,
                               bo);
    if (bo->image == NULL)
-      return NULL;
+      goto failed;
 
    dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_HANDLE,
                           &bo->base.base.handle.s32);
@@ -636,6 +651,10 @@ gbm_dri_bo_create(struct gbm_device *gbm,
                           (int *) &bo->base.base.stride);
 
    return &bo->base.base;
+
+failed:
+   free(bo);
+   return NULL;
 }
 
 static struct gbm_surface *
@@ -692,6 +711,7 @@ dri_device_create(int fd)
    dri->base.base.bo_import = gbm_dri_bo_import;
    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_destroy = gbm_dri_bo_destroy;
    dri->base.base.destroy = dri_destroy;
    dri->base.base.surface_create = gbm_dri_surface_create;