gallium: remove extended negate also, and also the ExtSwz token

Likewise, the extended negate functionality hasn't been
used since mesa switched to using tgsi_ureg to build programs,
and has been translating the SWZ opcode internally to a single MAD.

1 files changed, 1 insertions, 52 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 6120a2da94b..4dee1be9e8c 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -105,50 +105,6 @@ tgsi_util_set_src_register_swizzle(
 }
 
 unsigned
-tgsi_util_get_src_register_extnegate(
-   const  struct tgsi_src_register_ext_swz *reg,
-   unsigned component )
-{
-   switch( component ) {
-   case 0:
-      return reg->NegateX;
-   case 1:
-      return reg->NegateY;
-   case 2:
-      return reg->NegateZ;
-   case 3:
-      return reg->NegateW;
-   default:
-      assert( 0 );
-   }
-   return 0;
-}
-
-void
-tgsi_util_set_src_register_extnegate(
-   struct tgsi_src_register_ext_swz *reg,
-   unsigned negate,
-   unsigned component )
-{
-   switch( component ) {
-   case 0:
-      reg->NegateX = negate;
-      break;
-   case 1:
-      reg->NegateY = negate;
-      break;
-   case 2:
-      reg->NegateZ = negate;
-      break;
-   case 3:
-      reg->NegateW = negate;
-      break;
-   default:
-      assert( 0 );
-   }
-}
-
-unsigned
 tgsi_util_get_full_src_register_sign_mode(
    const struct  tgsi_full_src_register *reg,
    unsigned component )
@@ -171,9 +127,7 @@ tgsi_util_get_full_src_register_sign_mode(
       unsigned negate;
 
       negate = reg->SrcRegister.Negate;
-      if( tgsi_util_get_src_register_extnegate( &reg->SrcRegisterExtSwz, component ) ) {
-         negate = !negate;
-      }
+
       if( reg->SrcRegisterExtMod.Negate ) {
          negate = !negate;
       }
@@ -194,11 +148,6 @@ tgsi_util_set_full_src_register_sign_mode(
    struct tgsi_full_src_register *reg,
    unsigned sign_mode )
 {
-   reg->SrcRegisterExtSwz.NegateX = 0;
-   reg->SrcRegisterExtSwz.NegateY = 0;
-   reg->SrcRegisterExtSwz.NegateZ = 0;
-   reg->SrcRegisterExtSwz.NegateW = 0;
-
    switch (sign_mode)
    {
    case TGSI_UTIL_SIGN_CLEAR: