vaapi: use GPU memcpy for reading back from HW surface

This makes it much faster if the surface is really mapped from GPU
memory. It's slightly slower than system memcpy if used on system
memory. We don't really know definitely in which type of memory
it's located, so we use the GPU memcpy in all cases.

Fixes #2317.

1 files changed, 1 insertions, 1 deletions

diff --git a/wscript b/wscript
index 63c74686fa..6f04545995 100644
--- a/wscript
+++ b/wscript
@@ -772,7 +772,7 @@ hwaccel_features = [
     }, {
         'name': 'sse4-intrinsics',
         'desc': 'GCC SSE4 intrinsics for GPU memcpy',
-        'deps_any': [ 'dxva2-hwaccel' ],
+        'deps_any': [ 'dxva2-hwaccel', 'vaapi-hwaccel' ],
         'func': check_cc(fragment=load_fragment('sse.c')),
     }
 ]