st/va: count number of slices

The counter was not set but used by the nouveau driver.
It is required otherwise visual output is garbage.

Signed-off-by: Julien Isorce <j.isorce@samsung.com>
Reviewed-by: Christian Koenig <christian.koenig@amd.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/va/picture_mpeg12.c b/src/gallium/state_trackers/va/picture_mpeg12.c
index e587b1e..812e9e5 100644
--- a/src/gallium/state_trackers/va/picture_mpeg12.c
+++ b/src/gallium/state_trackers/va/picture_mpeg12.c
@@ -32,6 +32,7 @@ void vlVaHandlePictureParameterBufferMPEG12(vlVaDriver *drv, vlVaContext *contex
    VAPictureParameterBufferMPEG2 *mpeg2 = buf->data;
 
    assert(buf->size >= sizeof(VAPictureParameterBufferMPEG2) && buf->num_elements == 1);
+   context->desc.mpeg12.num_slices = 0;
    /*horizontal_size;*/
    /*vertical_size;*/
    vlVaGetReferenceFrame(drv, mpeg2->forward_reference_picture, &context->desc.mpeg12.ref[0]);
@@ -78,3 +79,8 @@ void vlVaHandleIQMatrixBufferMPEG12(vlVaContext *context, vlVaBuffer *buf)
       context->desc.mpeg12.non_intra_matrix = NULL;
 }
 
+void vlVaHandleSliceParameterBufferMPEG12(vlVaContext *context, vlVaBuffer *buf)
+{
+   assert(buf->size >= sizeof(VASliceParameterBufferMPEG2) && buf->num_elements == 1);
+   context->desc.mpeg12.num_slices += buf->num_elements;
+}