tgsi: add tgsi_declaration fields for centroid sampling, invariant optimization

(cherry picked from commit 434e255eae90b0f3d836d452b7d3b0c5aadf78b8)

2 files changed, 10 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index 74614d3688..1219c7da18 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -119,6 +119,8 @@ tgsi_default_declaration( void )
    declaration.UsageMask = TGSI_WRITEMASK_XYZW;
    declaration.Interpolate = TGSI_INTERPOLATE_CONSTANT;
    declaration.Semantic = 0;
+   declaration.Centroid = 0;
+   declaration.Invariant = 0;
    declaration.Padding = 0;
    declaration.Extended = 0;
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index 485e96379c..2ed8c2bf07 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -248,6 +248,14 @@ iter_declaration(
    TXT( ", " );
    ENM( decl->Declaration.Interpolate, interpolate_names );
 
+   if (decl->Declaration.Centroid) {
+      TXT( ", CENTROID" );
+   }
+
+   if (decl->Declaration.Invariant) {
+      TXT( ", INVARIANT" );
+   }
+
    EOL();
 
    return TRUE;