st/va: handle Video Post Processing for configs

Add support for VA_PROFILE_NONE and VAEntrypointVideoProc
in the 4 following functions:

vlVaQueryConfigProfiles
vlVaQueryConfigEntrypoints
vlVaCreateConfig
vlVaQueryConfigAttributes

Signed-off-by: Julien Isorce <j.isorce@samsung.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

src/gallium/state_trackers/va/config.c

@@ -52,6 +52,9 @@ vlVaQueryConfigProfiles(VADriverContextP ctx, VAProfile *profile_list, int *num_
             profile_list[(*num_profiles)++] = vap;
       }
 
+   /* Support postprocessing through vl_compositor */
+   profile_list[(*num_profiles)++] = VAProfileNone;
+
    return VA_STATUS_SUCCESS;
 }
 
@@ -67,6 +70,11 @@ vlVaQueryConfigEntrypoints(VADriverContextP ctx, VAProfile profile,
 
    *num_entrypoints = 0;
 
+   if (profile == VAProfileNone) {
+       entrypoint_list[(*num_entrypoints)++] = VAEntrypointVideoProc;
+       return VA_STATUS_SUCCESS;
+   }
+
    p = ProfileToPipe(profile);
    if (p == PIPE_VIDEO_PROFILE_UNKNOWN)
       return VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
@@ -118,6 +126,11 @@ vlVaCreateConfig(VADriverContextP ctx, VAProfile profile, VAEntrypoint entrypoin
    if (!ctx)
       return VA_STATUS_ERROR_INVALID_CONTEXT;
 
+   if (profile == VAProfileNone && entrypoint == VAEntrypointVideoProc) {
+       *config_id = PIPE_VIDEO_PROFILE_UNKNOWN;
+       return VA_STATUS_SUCCESS;
+   }
+
    p = ProfileToPipe(profile);
    if (p == PIPE_VIDEO_PROFILE_UNKNOWN)
       return VA_STATUS_ERROR_UNSUPPORTED_PROFILE;
@@ -151,6 +164,13 @@ vlVaQueryConfigAttributes(VADriverContextP ctx, VAConfigID config_id, VAProfile
       return VA_STATUS_ERROR_INVALID_CONTEXT;
 
    *profile = PipeToProfile(config_id);
+
+   if (config_id == PIPE_VIDEO_PROFILE_UNKNOWN) {
+      *entrypoint = VAEntrypointVideoProc;
+       *num_attribs = 0;
+      return VA_STATUS_SUCCESS;
+   }
+
    *entrypoint = VAEntrypointVLD;
 
    *num_attribs = 1;

src/gallium/state_trackers/va/va_private.h

@@ -144,10 +144,11 @@ PipeToProfile(enum pipe_video_profile profile)
       return VAProfileH264Main;
    case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
       return VAProfileH264High;
-   case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
-       return VAProfileNone;
    case PIPE_VIDEO_PROFILE_HEVC_MAIN:
       return VAProfileHEVCMain;
+   case PIPE_VIDEO_PROFILE_MPEG4_AVC_EXTENDED:
+   case PIPE_VIDEO_PROFILE_UNKNOWN:
+      return VAProfileNone;
    default:
       assert(0);
       return -1;
@@ -180,6 +181,8 @@ ProfileToPipe(VAProfile profile)
       return PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH;
    case VAProfileHEVCMain:
       return PIPE_VIDEO_PROFILE_HEVC_MAIN;
+   case VAProfileNone:
+       return PIPE_VIDEO_PROFILE_UNKNOWN;
    default:
       return PIPE_VIDEO_PROFILE_UNKNOWN;
    }