vl: Add support for max level query v2

This patch adds the level query support to the video decoders
and uses some more reasonable defaults.

v2: (ck) add commit message

Reviewed-by: Christian König <christian.koenig@amd.com>

src/gallium/auxiliary/vl/vl_decoder.c

@@ -44,6 +44,21 @@ vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile
    }
 }
 
+int
+vl_level_supported(struct pipe_screen *screen, enum pipe_video_profile profile)
+{
+   assert(screen);
+   switch (profile) {
+      case PIPE_VIDEO_PROFILE_MPEG1:
+         return 0;
+      case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+      case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+         return 3;
+      default:
+         return 0;
+   }
+}
+
 struct pipe_video_decoder *
 vl_create_decoder(struct pipe_context *pipe,
                   enum pipe_video_profile profile,

src/gallium/auxiliary/vl/vl_decoder.h

@@ -37,6 +37,12 @@
 bool
 vl_profile_supported(struct pipe_screen *screen, enum pipe_video_profile profile);
 
+/**
+ * get the maximum supported level for the given profile with shader based decoding
+ */
+int
+vl_level_supported(struct pipe_screen *screen, enum pipe_video_profile profile);
+
 /**
  * standard implementation of pipe->create_video_decoder
  */

src/gallium/drivers/ilo/ilo_screen.c

@@ -170,7 +170,8 @@ ilo_get_video_param(struct pipe_screen *screen,
       return 1;
    case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED:
       return 0;
-
+   case PIPE_VIDEO_CAP_MAX_LEVEL:
+      return vl_level_supported(screen, profile);
    default:
       return 0;
    }

src/gallium/drivers/nouveau/nouveau_video.c

@@ -862,6 +862,8 @@ nouveau_screen_get_video_param(struct pipe_screen *pscreen,
       return false;
    case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
       return true;
+   case PIPE_VIDEO_CAP_MAX_LEVEL:
+      return vl_level_supported(screen, profile);
    default:
       debug_printf("unknown video param: %d\n", param);
       return 0;

src/gallium/drivers/nv50/nv84_video.c

@@ -778,6 +778,21 @@ nv84_screen_get_video_param(struct pipe_screen *pscreen,
       return true;
    case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
       return false;
+   case PIPE_VIDEO_CAP_MAX_LEVEL:
+      switch (profile) {
+      case PIPE_VIDEO_PROFILE_MPEG1:
+         return 0;
+      case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+      case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+         return 3;
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
+         return 41;
+      default:
+         debug_printf("unknown video profile: %d\n", profile);
+         return 0;
+      }
    default:
       debug_printf("unknown video param: %d\n", param);
       return 0;

src/gallium/drivers/nvc0/nvc0_video.c

@@ -48,6 +48,31 @@ nvc0_screen_get_video_param(struct pipe_screen *pscreen,
       return true;
    case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
       return false;
+   case PIPE_VIDEO_CAP_MAX_LEVEL:
+      switch (profile) {
+      case PIPE_VIDEO_PROFILE_MPEG1:
+         return 0;
+      case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+      case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+         return 3;
+      case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
+         return 3;
+      case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
+         return 5;
+      case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
+         return 1;
+      case PIPE_VIDEO_PROFILE_VC1_MAIN:
+         return 2;
+      case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
+         return 4;
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
+         return 41;
+      default:
+         debug_printf("unknown video profile: %d\n", profile);
+         return 0;
+      }
    default:
       debug_printf("unknown video param: %d\n", param);
       return 0;

src/gallium/drivers/r300/r300_screen.c

@@ -359,6 +359,8 @@ static int r300_get_video_param(struct pipe_screen *screen,
          return false;
       case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
          return true;
+      case PIPE_VIDEO_CAP_MAX_LEVEL:
+         return vl_level_supported(screen, profile);
       default:
          return 0;
    }

src/gallium/drivers/r600/r600_pipe.c

@@ -795,6 +795,8 @@ static int r600_get_video_param(struct pipe_screen *screen,
 		return false;
 	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 		return true;
+	case PIPE_VIDEO_CAP_MAX_LEVEL:
+		return vl_level_supported(screen, profile);
 	default:
 		return 0;
 	}

src/gallium/drivers/radeon/radeon_uvd.c

@@ -1113,6 +1113,30 @@ int ruvd_get_video_param(struct pipe_screen *screen,
 		return true;
 	case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE:
 		return true;
+	case PIPE_VIDEO_CAP_MAX_LEVEL:
+		switch (profile) {
+		case PIPE_VIDEO_PROFILE_MPEG1:
+			return 0;
+		case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+		case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+			return 3;
+		case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
+			return 3;
+		case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
+			return 5;
+		case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
+			return 1;
+		case PIPE_VIDEO_PROFILE_VC1_MAIN:
+			return 2;
+		case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
+			return 4;
+		case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
+		case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
+		case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
+			return 41;
+		default:
+			return 0;
+		}
 	default:
 		return 0;
 	}

src/gallium/drivers/radeonsi/radeonsi_pipe.c

@@ -546,6 +546,8 @@ static int r600_get_video_param(struct pipe_screen *screen,
 		return vl_video_buffer_max_size(screen);
 	case PIPE_VIDEO_CAP_PREFERED_FORMAT:
 		return PIPE_FORMAT_NV12;
+	case PIPE_VIDEO_CAP_MAX_LEVEL:
+		return vl_level_supported(screen, profile);
 	default:
 		return 0;
 	}

src/gallium/include/pipe/p_video_enums.h

@@ -54,7 +54,8 @@ enum pipe_video_cap
    PIPE_VIDEO_CAP_PREFERED_FORMAT = 4,
    PIPE_VIDEO_CAP_PREFERS_INTERLACED = 5,
    PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE = 6,
-   PIPE_VIDEO_CAP_SUPPORTS_INTERLACED = 7
+   PIPE_VIDEO_CAP_SUPPORTS_INTERLACED = 7,
+   PIPE_VIDEO_CAP_MAX_LEVEL = 8
 };
 
 enum pipe_video_codec

src/gallium/state_trackers/vdpau/query.c

@@ -176,13 +176,13 @@ vlVdpDecoderQueryCapabilities(VdpDevice device, VdpDecoderProfile profile,
       *is_supported = false;
       return VDP_STATUS_OK;
    }
-   
+
    pipe_mutex_lock(dev->mutex);
    *is_supported = pscreen->get_video_param(pscreen, p_profile, PIPE_VIDEO_CAP_SUPPORTED);
    if (*is_supported) {
       *max_width = pscreen->get_video_param(pscreen, p_profile, PIPE_VIDEO_CAP_MAX_WIDTH); 
       *max_height = pscreen->get_video_param(pscreen, p_profile, PIPE_VIDEO_CAP_MAX_HEIGHT);
-      *max_level = 16;
+      *max_level = pscreen->get_video_param(pscreen, p_profile, PIPE_VIDEO_CAP_MAX_LEVEL);
       *max_macroblocks = (*max_width/16)*(*max_height/16);
    } else {
       *max_width = 0;