From 68a29d0e53dc6a8857c7dd3265d058da33b4b566 Mon Sep 17 00:00:00 2001
From: Vincent Wei <vincent@minigui.org>
Date: Sun, 1 Dec 2019 12:46:10 +0800
Subject: [PATCH] check whether the driver is initialized

---
 src/newgal/drm/drmvideo.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/newgal/drm/drmvideo.c b/src/newgal/drm/drmvideo.c
index 9f2e67f2..230679b5 100644
--- a/src/newgal/drm/drmvideo.c
+++ b/src/newgal/drm/drmvideo.c
@@ -1750,6 +1750,11 @@ GAL_Surface* __drm_create_surface_from_name (GHANDLE video,
         return NULL;
     }
 
+    if (vdata->driver_ops == NULL) {
+        _ERR_PRINTF ("NEWGAL>DRM: not hardware accelerated!\n");
+        return NULL;
+    }
+
     if (vdata->driver_ops->create_buffer_from_name == NULL) {
         _ERR_PRINTF ("NEWGAL>DRM: not implemented method: create_buffer_from_name!\n");
         return NULL;
@@ -1845,6 +1850,11 @@ GAL_Surface* __drm_create_surface_from_handle (GHANDLE video,
         return NULL;
     }
 
+    if (vdata->driver_ops == NULL) {
+        _ERR_PRINTF ("NEWGAL>DRM: not hardware accelerated!\n");
+        return NULL;
+    }
+
     if (vdata->driver_ops->create_buffer_from_handle == NULL) {
         _ERR_PRINTF ("NEWGAL>DRM: not implemented method: create_buffer_from_handle!\n");
         return NULL;
@@ -1940,6 +1950,11 @@ GAL_Surface* __drm_create_surface_from_prime_fd (GHANDLE video,
         return NULL;
     }
 
+    if (vdata->driver_ops == NULL) {
+        _ERR_PRINTF ("NEWGAL>DRM: not hardware accelerated!\n");
+        return NULL;
+    }
+
     if (vdata->driver_ops->create_buffer_from_prime_fd == NULL) {
         _ERR_PRINTF ("NEWGAL>DRM: not implemented method: create_buffer_from_prime_fd.\n");
         return NULL;