tgsi/scan: set non-valid src_index for tex offsets in scan_src_operand

tex offsets are not "Src" operands.

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 212d1bb..6f87f8d 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -484,7 +484,7 @@ scan_instruction(struct tgsi_shader_info *info,
          src.Register.SwizzleZ = fullinst->TexOffsets[i].SwizzleZ;
 
          /* The usage mask is suboptimal but should be safe. */
-         scan_src_operand(info, fullinst, &src, 0, TGSI_WRITEMASK_XYZ,
+         scan_src_operand(info, fullinst, &src, -1, TGSI_WRITEMASK_XYZ,
                           false, &is_mem_inst);
       }
    }