gallium: switch dedicated centroid field to interpolation location

The new location field can be either center, centroid, or sample, which
indicates the location that the shader should interpolate at.

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index 7621b6a02c9..bef5c75ac76 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -200,7 +200,7 @@ tgsi_default_declaration_interp( void )
    struct tgsi_declaration_interp di;
 
    di.Interpolate = TGSI_INTERPOLATE_CONSTANT;
-   di.Centroid = 0;
+   di.Location = TGSI_INTERPOLATE_LOC_CENTER;
    di.CylindricalWrap = 0;
    di.Padding = 0;
 
@@ -209,7 +209,7 @@ tgsi_default_declaration_interp( void )
 
 static struct tgsi_declaration_interp
 tgsi_build_declaration_interp(unsigned interpolate,
-                              unsigned centroid,
+                              unsigned interpolate_location,
                               unsigned cylindrical_wrap,
                               struct tgsi_declaration *declaration,
                               struct tgsi_header *header)
@@ -217,7 +217,7 @@ tgsi_build_declaration_interp(unsigned interpolate,
    struct tgsi_declaration_interp di;
 
    di.Interpolate = interpolate;
-   di.Centroid = centroid;
+   di.Location = interpolate_location;
    di.CylindricalWrap = cylindrical_wrap;
    di.Padding = 0;
 
@@ -433,7 +433,7 @@ tgsi_build_full_declaration(
       size++;
 
       *di = tgsi_build_declaration_interp(full_decl->Interp.Interpolate,
-                                          full_decl->Interp.Centroid,
+                                          full_decl->Interp.Location,
                                           full_decl->Interp.CylindricalWrap,
                                           declaration,
                                           header);