Add config attribute to advertise HEVC encoder features

Signed-off-by: Mark Thompson <[email protected]>

va/va.h

@@ -780,6 +780,12 @@ typedef enum
      * implementation, multiple frames encode/decode can improve HW concurrency
      */
     VAConfigAttribMultipleFrame         = 40,
+    /** \brief HEVC/H.265 encoding features attribute.  Read-only.
+     *
+     * This attribute describes the supported block sizes and features of
+     * an HEVC/H.265 encoder config.
+     */
+    VAConfigAttribEncHEVCFeatures       = 41,
     /**@}*/
     VAConfigAttribTypeMax
 } VAConfigAttribType;
@@ -1141,6 +1147,64 @@ typedef union _VAConfigAttribValMultipleFrame {
 /** \brief Driver supports decode processing rate report  */
 #define VA_PROCESSING_RATE_DECODE                     0x00000002
 /**@}*/
+
+/** \brief Attribute value for VAConfigAttribEncHEVCFeatures. */
+typedef union VAConfigAttribValEncHEVCFeatures {
+    struct {
+        /** separate_colour_plane_flag may be set. */
+        uint32_t separate_colour_plane_supported     : 1;
+        /** scaling_list_enabled_flag may be set. */
+        uint32_t scaling_list_supported              : 1;
+        /** amp_enabled_flag may be set. */
+        uint32_t amp_supported                       : 1;
+        /** sample_adaptive_offset_enabled_flag may be set. */
+        uint32_t sao_supported                       : 1;
+        /** slice_temporal_mvp_enabled_flag may be set. */
+        uint32_t temporal_mvp_supported              : 1;
+        /** pcm_enabled_flag may be set. */
+        uint32_t pcm_supported                       : 1;
+        /** strong_intra_smoothing_enabled_flag may be set. */
+        uint32_t strong_intra_smoothing_supported    : 1;
+        /** sign_data_hiding_enable_flag may be set. */
+        uint32_t sign_data_hiding_supported          : 1;
+        /** transform_skip_enabled_flag may be set. */
+        uint32_t transform_skip_supported            : 1;
+        /** weighted_pred_flag and weighted_bipred_flag may be set. */
+        uint32_t weighted_prediction_supported       : 1;
+        /** transquant_bypass_enabled_flag may be set. */
+        uint32_t transquant_bypass_supported         : 1;
+
+        /** Maximum supported size of coding tree blocks. */
+        uint32_t log2_max_coding_tree_block_size_minus3    : 2;
+        /** Minimum supported size of coding tree blocks.
+         *
+         * This may be the same as the maximum size, indicating that only
+         * one CTB size is supported.
+         */
+        uint32_t log2_min_coding_tree_block_size_minus3    : 2;
+
+        /** Minimum supported size of luma coding blocks.
+         *
+         * The maximum supported size is already set by the CTB size.
+         */
+        uint32_t log2_min_luma_coding_block_size_minus3    : 2;
+
+        /** Maximum supported size of luma transform blocks. */
+        uint32_t log2_max_luma_transform_block_size_minus2 : 2;
+        /** Minimum supported size of luma transform blocks. */
+        uint32_t log2_min_luma_transform_block_size_minus2 : 2;
+
+        /** Maximum supported transform hierarchy depth for inter blocks. */
+        uint32_t max_transform_hierarchy_depth_inter       : 2;
+        /** Maximum supported transform hierarchy depth for intra blocks. */
+        uint32_t max_transform_hierarchy_depth_intra       : 2;
+
+        /** Minimum supported block size containing a QP delta. */
+        uint32_t min_cu_qp_delta_block_size_minus3         : 2;
+    } bits;
+    uint32_t value;
+} VAConfigAttribValEncHEVCFeatures;
+
 /**
  * if an attribute is not applicable for a given
  * profile/entrypoint pair, then set the value to the following 

va/va_str.c

@@ -126,6 +126,7 @@ const char *vaConfigAttribTypeStr(VAConfigAttribType configAttribType)
     TOSTR(VAConfigAttribMaxFrameSize);
     TOSTR(VAConfigAttribPredictionDirection);
     TOSTR(VAConfigAttribMultipleFrame);
+    TOSTR(VAConfigAttribEncHEVCFeatures);
     case VAConfigAttribTypeMax: break;
     }
     return "<unknown config attribute type>";