KVA: Add VLC_CODEC_RGB32 supports

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
(cherry picked from commit 31bec657)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/video_output/kva.c

@@ -573,6 +573,12 @@ static int OpenDisplay( vout_display_t *vd, video_format_t *fmt )
                     i_chroma_shift = 2;
                     break;
 
+                case VLC_CODEC_RGB32:
+                    b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR32;
+                    i_kva_fourcc = FOURCC_BGR4;
+                    i_chroma_shift = 0;
+                    break;
+
                 case VLC_CODEC_RGB24:
                     b_hw_accel = sys->kvac.ulInputFormatFlags & KVAF_BGR24;
                     i_kva_fourcc = FOURCC_BGR3;