st/va: add enviromental variable to disable interlace

Add environmental variable to disable interlace mode. At VAAPI decoding stage, driver can not distinguish b/w pure decoding case and transcoding case. And since interlace encoding is not supported, we have to disable interlace for transcoding case. The temporary solution is to use enviromental variable to disable interlace mode.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>

diff --git a/src/gallium/state_trackers/va/surface.c b/src/gallium/state_trackers/va/surface.c
index 8ce4143f74b57639631ac583cd45aef71aa31708..63727b6355d783e086eea7b2dce3fc813bf21bb4 100644 (file)
--- a/src/gallium/state_trackers/va/surface.c
+++ b/src/gallium/state_trackers/va/surface.c
@@ -43,6 +43,8 @@
 
 #include "va_private.h"
 
+DEBUG_GET_ONCE_BOOL_OPTION(nointerlace, "VAAPI_DISABLE_INTERLACE", FALSE);
+
 #include <va/va_drmcommon.h>
 
 static const enum pipe_format vpp_surface_formats[] = {
@@ -620,6 +622,8 @@ vlVaCreateSurfaces2(VADriverContextP ctx, unsigned int format,
 
    templat.width = width;
    templat.height = height;
+   if (debug_get_option_nointerlace())
+      templat.interlaced = false;
 
    memset(surfaces, VA_INVALID_ID, num_surfaces * sizeof(VASurfaceID));