[VP] Change L0 FC Perg Tag

Legacy FC perf tag use (layer_number - 1). For example, when it is 2 layer, it shows 1 layer. When it is 4 layers, it shows 3 layer. Align L0 FC to legacy FC perf tag
intel · Sep 24, 2024 · 35c28c6 · 35c28c6
1 parent e45a293
commit 35c28c6
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/media_softlet/agnostic/common/vp/hal/features/vp_l0_fc_filter.cpp b/media_softlet/agnostic/common/vp/hal/features/vp_l0_fc_filter.cpp
@@ -2252,11 +2252,11 @@ MOS_STATUS VpL0FcFilter::SetPerfTag(L0_FC_COMP_PARAM& compParam, VPHAL_PERFTAG&
     }
     if (rotation)
     {
-        perfTag = VPHAL_PERFTAG(VPHAL_ROT + compParam.layerNumber);
+        perfTag = VPHAL_PERFTAG(VPHAL_ROT + compParam.layerNumber - 1);
     }
     else if (primary)
     {
-        perfTag = VPHAL_PERFTAG(VPHAL_PRI + compParam.layerNumber);
+        perfTag = VPHAL_PERFTAG(VPHAL_PRI + compParam.layerNumber - 1);
     }
     else
     {
@@ -2513,6 +2513,12 @@ void VpL0FcFilter::ReportDiffLog(const L0_FC_COMP_PARAM &compParam)
                 //fixed alpha not used in legacy FC
                 reportLog |= (1llu << 7);
             }
+
+            if (format == Format_R5G6B5)
+            {
+                //legacy FC will drop (16 - 5/6/5) of LSB
+                reportLog |= (1llu << 8);
+            }
         }
     }
     if (FastExpressConditionMeet(compParam))