tgsi: use separate structure for indirect address v2

To further improve the optimization of source and destination
indirect addressing we need the ability to store a reference
to the declaration of the addressed operands.

Since most of the fields in tgsi_src_register doesn't apply for
an indirect addressing operand replace it with a separate
tgsi_ind_register structure and so make room for extra information.

v2: rename Declaration to ArrayID, put the ArrayID into () instead of []

Signed-off-by: Christian König <christian.koenig@amd.com>

10 files changed, 161 insertions, 118 deletions

diff --git a/src/gallium/auxiliary/tgsi/tgsi_build.c b/src/gallium/auxiliary/tgsi/tgsi_build.c
index 33cbbd8..435d94a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_build.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_build.c
@@ -816,6 +816,43 @@ tgsi_build_src_register(
    return src_register;
 }
 
+static struct tgsi_ind_register
+tgsi_default_ind_register( void )
+{
+   struct tgsi_ind_register ind_register;
+
+   ind_register.File = TGSI_FILE_NULL;
+   ind_register.Swizzle = TGSI_SWIZZLE_X;
+   ind_register.ArrayID = 0;
+
+   return ind_register;
+}
+
+static struct tgsi_ind_register
+tgsi_build_ind_register(
+   unsigned file,
+   unsigned swizzle,
+   unsigned arrayid,
+   int index,
+   struct tgsi_instruction *instruction,
+   struct tgsi_header *header )
+{
+   struct tgsi_ind_register   ind_register;
+
+   assert( file < TGSI_FILE_COUNT );
+   assert( swizzle <= TGSI_SWIZZLE_W );
+   assert( index >= -0x8000 && index <= 0x7FFF );
+
+   ind_register.File = file;
+   ind_register.Swizzle = swizzle;
+   ind_register.Index = index;
+   ind_register.ArrayID = arrayid;
+
+   instruction_grow( instruction, header );
+
+   return ind_register;
+}
+
 static struct tgsi_dimension
 tgsi_default_dimension( void )
 {
@@ -835,9 +872,9 @@ tgsi_default_full_src_register( void )
    struct tgsi_full_src_register full_src_register;
 
    full_src_register.Register = tgsi_default_src_register();
-   full_src_register.Indirect = tgsi_default_src_register();
+   full_src_register.Indirect = tgsi_default_ind_register();
    full_src_register.Dimension = tgsi_default_dimension();
-   full_src_register.DimIndirect = tgsi_default_src_register();
+   full_src_register.DimIndirect = tgsi_default_ind_register();
 
    return full_src_register;
 }
@@ -910,9 +947,9 @@ tgsi_default_full_dst_register( void )
    struct tgsi_full_dst_register full_dst_register;
 
    full_dst_register.Register = tgsi_default_dst_register();
-   full_dst_register.Indirect = tgsi_default_src_register();
+   full_dst_register.Indirect = tgsi_default_ind_register();
    full_dst_register.Dimension = tgsi_default_dimension();
-   full_dst_register.DimIndirect = tgsi_default_src_register();
+   full_dst_register.DimIndirect = tgsi_default_ind_register();
 
    return full_dst_register;
 }
@@ -1057,24 +1094,18 @@ tgsi_build_full_instruction(
          header );
 
       if( reg->Register.Indirect ) {
-         struct tgsi_src_register *ind;
+         struct tgsi_ind_register *ind;
 
          if( maxsize <= size )
             return 0;
-         ind = (struct tgsi_src_register *) &tokens[size];
+         ind = (struct tgsi_ind_register *) &tokens[size];
          size++;
 
-         *ind = tgsi_build_src_register(
+         *ind = tgsi_build_ind_register(
             reg->Indirect.File,
-            reg->Indirect.SwizzleX,
-            reg->Indirect.SwizzleY,
-            reg->Indirect.SwizzleZ,
-            reg->Indirect.SwizzleW,
-            reg->Indirect.Negate,
-            reg->Indirect.Absolute,
-            reg->Indirect.Indirect,
-            reg->Indirect.Dimension,
+            reg->Indirect.Swizzle,
             reg->Indirect.Index,
+            reg->Indirect.ArrayID,
             instruction,
             header );
       }
@@ -1096,24 +1127,18 @@ tgsi_build_full_instruction(
             header );
 
          if( reg->Dimension.Indirect ) {
-            struct tgsi_src_register *ind;
+            struct tgsi_ind_register *ind;
 
             if( maxsize <= size )
                return 0;
-            ind = (struct tgsi_src_register *) &tokens[size];
+            ind = (struct tgsi_ind_register *) &tokens[size];
             size++;
 
-            *ind = tgsi_build_src_register(
+            *ind = tgsi_build_ind_register(
                reg->DimIndirect.File,
-               reg->DimIndirect.SwizzleX,
-               reg->DimIndirect.SwizzleY,
-               reg->DimIndirect.SwizzleZ,
-               reg->DimIndirect.SwizzleW,
-               reg->DimIndirect.Negate,
-               reg->DimIndirect.Absolute,
-               reg->DimIndirect.Indirect,
-               reg->DimIndirect.Dimension,
+               reg->DimIndirect.Swizzle,
                reg->DimIndirect.Index,
+               reg->DimIndirect.ArrayID,
                instruction,
                header );
          }
@@ -1144,24 +1169,18 @@ tgsi_build_full_instruction(
          header );
 
       if( reg->Register.Indirect ) {
-         struct  tgsi_src_register *ind;
+         struct  tgsi_ind_register *ind;
 
          if( maxsize <= size )
             return 0;
-         ind = (struct tgsi_src_register *) &tokens[size];
+         ind = (struct tgsi_ind_register *) &tokens[size];
          size++;
 
-         *ind = tgsi_build_src_register(
+         *ind = tgsi_build_ind_register(
             reg->Indirect.File,
-            reg->Indirect.SwizzleX,
-            reg->Indirect.SwizzleY,
-            reg->Indirect.SwizzleZ,
-            reg->Indirect.SwizzleW,
-            reg->Indirect.Negate,
-            reg->Indirect.Absolute,
-            reg->Indirect.Indirect,
-            reg->Indirect.Dimension,
+            reg->Indirect.Swizzle,
             reg->Indirect.Index,
+            reg->Indirect.ArrayID,
             instruction,
             header );
       }
@@ -1183,24 +1202,18 @@ tgsi_build_full_instruction(
             header );
 
          if( reg->Dimension.Indirect ) {
-            struct tgsi_src_register *ind;
+            struct tgsi_ind_register *ind;
 
             if( maxsize <= size )
                return 0;
-            ind = (struct tgsi_src_register *) &tokens[size];
+            ind = (struct tgsi_ind_register *) &tokens[size];
             size++;
 
-            *ind = tgsi_build_src_register(
+            *ind = tgsi_build_ind_register(
                reg->DimIndirect.File,
-               reg->DimIndirect.SwizzleX,
-               reg->DimIndirect.SwizzleY,
-               reg->DimIndirect.SwizzleZ,
-               reg->DimIndirect.SwizzleW,
-               reg->DimIndirect.Negate,
-               reg->DimIndirect.Absolute,
-               reg->DimIndirect.Indirect,
-               reg->DimIndirect.Dimension,
+               reg->DimIndirect.Swizzle,
                reg->DimIndirect.Index,
+               reg->DimIndirect.ArrayID,
                instruction,
                header );
          }
diff --git a/src/gallium/auxiliary/tgsi/tgsi_dump.c b/src/gallium/auxiliary/tgsi/tgsi_dump.c
index adca6af..d98f6c4 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_dump.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_dump.c
@@ -107,13 +107,18 @@ _dump_register_src(
          CHR( '[' );
          SID( src->DimIndirect.Index );
          TXT( "]." );
-         ENM( src->DimIndirect.SwizzleX, tgsi_swizzle_names );
+         ENM( src->DimIndirect.Swizzle, tgsi_swizzle_names );
          if (src->Dimension.Index != 0) {
             if (src->Dimension.Index > 0)
                CHR( '+' );
             SID( src->Dimension.Index );
          }
          CHR( ']' );
+         if (src->DimIndirect.ArrayID) {
+            CHR( '(' );
+            SID( src->DimIndirect.ArrayID );
+            CHR( ')' );
+         }
       } else {
          CHR('[');
          SID(src->Dimension.Index);
@@ -126,13 +131,18 @@ _dump_register_src(
       CHR( '[' );
       SID( src->Indirect.Index );
       TXT( "]." );
-      ENM( src->Indirect.SwizzleX, tgsi_swizzle_names );
+      ENM( src->Indirect.Swizzle, tgsi_swizzle_names );
       if (src->Register.Index != 0) {
          if (src->Register.Index > 0)
             CHR( '+' );
          SID( src->Register.Index );
       }
       CHR( ']' );
+      if (src->Indirect.ArrayID) {
+         CHR( '(' );
+         SID( src->Indirect.ArrayID );
+         CHR( ')' );
+      }
    } else {
       CHR( '[' );
       SID( src->Register.Index );
@@ -154,13 +164,18 @@ _dump_register_dst(
          CHR( '[' );
          SID( dst->DimIndirect.Index );
          TXT( "]." );
-         ENM( dst->DimIndirect.SwizzleX, tgsi_swizzle_names );
+         ENM( dst->DimIndirect.Swizzle, tgsi_swizzle_names );
          if (dst->Dimension.Index != 0) {
             if (dst->Dimension.Index > 0)
                CHR( '+' );
             SID( dst->Dimension.Index );
          }
          CHR( ']' );
+         if (dst->DimIndirect.ArrayID) {
+            CHR( '(' );
+            SID( dst->DimIndirect.ArrayID );
+            CHR( ')' );
+         }
       } else {
          CHR('[');
          SID(dst->Dimension.Index);
@@ -173,13 +188,18 @@ _dump_register_dst(
       CHR( '[' );
       SID( dst->Indirect.Index );
       TXT( "]." );
-      ENM( dst->Indirect.SwizzleX, tgsi_swizzle_names );
+      ENM( dst->Indirect.Swizzle, tgsi_swizzle_names );
       if (dst->Register.Index != 0) {
          if (dst->Register.Index > 0)
             CHR( '+' );
          SID( dst->Register.Index );
       }
       CHR( ']' );
+      if (dst->Indirect.ArrayID) {
+         CHR( '(' );
+         SID( dst->Indirect.ArrayID );
+         CHR( ')' );
+      }
    } else {
       CHR( '[' );
       SID( dst->Register.Index );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 1af2395..8579d8a 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1193,7 +1193,7 @@ fetch_source(const struct tgsi_exec_machine *mach,
       index2.i[2] =
       index2.i[3] = reg->Indirect.Index;
       /* get current value of address register[swizzle] */
-      swizzle = tgsi_util_get_src_register_swizzle( &reg->Indirect, TGSI_CHAN_X );
+      swizzle = reg->Indirect.Swizzle;
       fetch_src_file_channel(mach,
                              chan_index,
                              reg->Indirect.File,
@@ -1253,7 +1253,7 @@ fetch_source(const struct tgsi_exec_machine *mach,
          index2.i[2] =
          index2.i[3] = reg->DimIndirect.Index;
 
-         swizzle = tgsi_util_get_src_register_swizzle( &reg->DimIndirect, TGSI_CHAN_X );
+         swizzle = reg->DimIndirect.Swizzle;
          fetch_src_file_channel(mach,
                                 chan_index,
                                 reg->DimIndirect.File,
@@ -1357,7 +1357,7 @@ store_dest(struct tgsi_exec_machine *mach,
       index.i[3] = reg->Indirect.Index;
 
       /* get current value of address register[swizzle] */
-      swizzle = tgsi_util_get_src_register_swizzle( &reg->Indirect, TGSI_CHAN_X );
+      swizzle = reg->Indirect.Swizzle;
 
       /* fetch values from the address/indirection register */
       fetch_src_file_channel(mach,
@@ -1409,7 +1409,7 @@ store_dest(struct tgsi_exec_machine *mach,
          index2.i[2] =
          index2.i[3] = reg->DimIndirect.Index;
 
-         swizzle = tgsi_util_get_src_register_swizzle( &reg->DimIndirect, TGSI_CHAN_X );
+         swizzle = reg->DimIndirect.Swizzle;
          fetch_src_file_channel(mach,
                                 chan_index,
                                 reg->DimIndirect.File,
diff --git a/src/gallium/auxiliary/tgsi/tgsi_parse.c b/src/gallium/auxiliary/tgsi/tgsi_parse.c
index 29079ef..70c1cb2 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_parse.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_parse.c
@@ -200,15 +200,9 @@ tgsi_parse_token(
 
          next_token( ctx, &inst->Dst[i].Register );
 
-         if( inst->Dst[i].Register.Indirect ) {
+         if( inst->Dst[i].Register.Indirect )
             next_token( ctx, &inst->Dst[i].Indirect );
 
-            /*
-             * No support for indirect or multi-dimensional addressing.
-             */
-            assert( !inst->Dst[i].Indirect.Dimension );
-            assert( !inst->Dst[i].Indirect.Indirect );
-         }
          if( inst->Dst[i].Register.Dimension ) {
             next_token( ctx, &inst->Dst[i].Dimension );
 
@@ -217,15 +211,8 @@ tgsi_parse_token(
              */
             assert( !inst->Dst[i].Dimension.Dimension );
 
-            if( inst->Dst[i].Dimension.Indirect ) {
+            if( inst->Dst[i].Dimension.Indirect )
                next_token( ctx, &inst->Dst[i].DimIndirect );
-
-               /*
-                * No support for indirect or multi-dimensional addressing.
-                */
-               assert( !inst->Dst[i].Indirect.Indirect );
-               assert( !inst->Dst[i].Indirect.Dimension );
-            }
          }
       }
 
@@ -235,16 +222,9 @@ tgsi_parse_token(
 
          next_token( ctx, &inst->Src[i].Register );
 
-         if( inst->Src[i].Register.Indirect ) {
+         if( inst->Src[i].Register.Indirect )
             next_token( ctx, &inst->Src[i].Indirect );
 
-            /*
-             * No support for indirect or multi-dimensional addressing.
-             */
-            assert( !inst->Src[i].Indirect.Indirect );
-            assert( !inst->Src[i].Indirect.Dimension );
-         }
-
          if( inst->Src[i].Register.Dimension ) {
             next_token( ctx, &inst->Src[i].Dimension );
 
@@ -253,15 +233,8 @@ tgsi_parse_token(
              */
             assert( !inst->Src[i].Dimension.Dimension );
 
-            if( inst->Src[i].Dimension.Indirect ) {
+            if( inst->Src[i].Dimension.Indirect )
                next_token( ctx, &inst->Src[i].DimIndirect );
-
-               /*
-               * No support for indirect or multi-dimensional addressing.
-               */
-               assert( !inst->Src[i].Indirect.Indirect );
-               assert( !inst->Src[i].Indirect.Dimension );
-            }
          }
       }
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_parse.h b/src/gallium/auxiliary/tgsi/tgsi_parse.h
index ae40f13..808f31b 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_parse.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_parse.h
@@ -44,17 +44,17 @@ struct tgsi_full_header
 struct tgsi_full_dst_register
 {
    struct tgsi_dst_register               Register;
-   struct tgsi_src_register               Indirect;
+   struct tgsi_ind_register               Indirect;
    struct tgsi_dimension                  Dimension;
-   struct tgsi_src_register               DimIndirect;
+   struct tgsi_ind_register               DimIndirect;
 };
 
 struct tgsi_full_src_register
 {
    struct tgsi_src_register         Register;
-   struct tgsi_src_register         Indirect;
+   struct tgsi_ind_register         Indirect;
    struct tgsi_dimension            Dimension;
-   struct tgsi_src_register         DimIndirect;
+   struct tgsi_ind_register         DimIndirect;
 };
 
 struct tgsi_full_declaration
diff --git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c
index 8a2a760..6b97bee 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_text.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_text.c
@@ -441,6 +441,7 @@ struct parsed_bracket {
    uint ind_file;
    int ind_index;
    uint ind_comp;
+   uint ind_array;
 };
 
 
@@ -508,6 +509,20 @@ parse_register_bracket(
       return FALSE;
    }
    ctx->cur++;
+   if (*ctx->cur == '(') {
+      ctx->cur++;
+      eat_opt_white( &ctx->cur );
+      if (!parse_uint( &ctx->cur, &brackets->ind_array )) {
+         report_error( ctx, "Expected literal unsigned integer" );
+         return FALSE;
+      }
+      eat_opt_white( &ctx->cur );
+      if (*ctx->cur != ')') {
+         report_error( ctx, "Expected `)'" );
+         return FALSE;
+      }
+      ctx->cur++;
+   }
    return TRUE;
 }
 
@@ -711,10 +726,8 @@ parse_dst_operand(
       dst->Register.Indirect = 1;
       dst->Indirect.File = bracket[0].ind_file;
       dst->Indirect.Index = bracket[0].ind_index;
-      dst->Indirect.SwizzleX = bracket[0].ind_comp;
-      dst->Indirect.SwizzleY = bracket[0].ind_comp;
-      dst->Indirect.SwizzleZ = bracket[0].ind_comp;
-      dst->Indirect.SwizzleW = bracket[0].ind_comp;
+      dst->Indirect.Swizzle = bracket[0].ind_comp;
+      dst->Indirect.ArrayID = bracket[0].ind_array;
    }
    return TRUE;
 }
@@ -797,10 +810,8 @@ parse_src_operand(
       src->Register.Indirect = 1;
       src->Indirect.File = bracket[0].ind_file;
       src->Indirect.Index = bracket[0].ind_index;
-      src->Indirect.SwizzleX = bracket[0].ind_comp;
-      src->Indirect.SwizzleY = bracket[0].ind_comp;
-      src->Indirect.SwizzleZ = bracket[0].ind_comp;
-      src->Indirect.SwizzleW = bracket[0].ind_comp;
+      src->Indirect.Swizzle = bracket[0].ind_comp;
+      src->Indirect.ArrayID = bracket[0].ind_array;
    }
 
    /* Parse optional swizzle.
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 1e862cb..782f449 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -59,6 +59,7 @@ union tgsi_any_token {
    struct tgsi_instruction_texture insn_texture;
    struct tgsi_texture_offset insn_texture_offset;
    struct tgsi_src_register src;
+   struct tgsi_ind_register ind;
    struct tgsi_dimension dim;
    struct tgsi_dst_register dst;
    unsigned value;
@@ -267,6 +268,7 @@ ureg_dst_register( unsigned file,
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = index;
+   dst.ArrayID = 0;
 
    return dst;
 }
@@ -597,8 +599,10 @@ struct ureg_dst ureg_DECL_array_temporary( struct ureg_program *ureg,
    /* and also at the end of the array */
    util_bitmask_set(ureg->decl_temps, ureg->nr_temps);
 
-   if (ureg->nr_array_temps < UREG_MAX_ARRAY_TEMPS)
+   if (ureg->nr_array_temps < UREG_MAX_ARRAY_TEMPS) {
       ureg->array_temps[ureg->nr_array_temps++] = i;
+      dst.ArrayID = ureg->nr_array_temps;
+   }
 
    return dst;
 }
@@ -881,12 +885,10 @@ ureg_emit_src( struct ureg_program *ureg,
    if (src.Indirect) {
       out[0].src.Indirect = 1;
       out[n].value = 0;
-      out[n].src.File = src.IndirectFile;
-      out[n].src.SwizzleX = src.IndirectSwizzle;
-      out[n].src.SwizzleY = src.IndirectSwizzle;
-      out[n].src.SwizzleZ = src.IndirectSwizzle;
-      out[n].src.SwizzleW = src.IndirectSwizzle;
-      out[n].src.Index = src.IndirectIndex;
+      out[n].ind.File = src.IndirectFile;
+      out[n].ind.Swizzle = src.IndirectSwizzle;
+      out[n].ind.Index = src.IndirectIndex;
+      out[n].ind.ArrayID = src.ArrayID;
       n++;
    }
 
@@ -899,12 +901,10 @@ ureg_emit_src( struct ureg_program *ureg,
          out[n].dim.Index = src.DimensionIndex;
          n++;
          out[n].value = 0;
-         out[n].src.File = src.DimIndFile;
-         out[n].src.SwizzleX = src.DimIndSwizzle;
-         out[n].src.SwizzleY = src.DimIndSwizzle;
-         out[n].src.SwizzleZ = src.DimIndSwizzle;
-         out[n].src.SwizzleW = src.DimIndSwizzle;
-         out[n].src.Index = src.DimIndIndex;
+         out[n].ind.File = src.DimIndFile;
+         out[n].ind.Swizzle = src.DimIndSwizzle;
+         out[n].ind.Index = src.DimIndIndex;
+         out[n].ind.ArrayID = src.ArrayID;
       } else {
          out[n].dim.Indirect = 0;
          out[n].dim.Index = src.DimensionIndex;
@@ -943,12 +943,10 @@ ureg_emit_dst( struct ureg_program *ureg,
    
    if (dst.Indirect) {
       out[n].value = 0;
-      out[n].src.File = TGSI_FILE_ADDRESS;
-      out[n].src.SwizzleX = dst.IndirectSwizzle;
-      out[n].src.SwizzleY = dst.IndirectSwizzle;
-      out[n].src.SwizzleZ = dst.IndirectSwizzle;
-      out[n].src.SwizzleW = dst.IndirectSwizzle;
-      out[n].src.Index = dst.IndirectIndex;
+      out[n].ind.File = TGSI_FILE_ADDRESS;
+      out[n].ind.Swizzle = dst.IndirectSwizzle;
+      out[n].ind.Index = dst.IndirectIndex;
+      out[n].ind.ArrayID = dst.ArrayID;
       n++;
    }
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index cd140de..be99ae0 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -62,6 +62,7 @@ struct ureg_src
    int      IndirectIndex    : 16; /* SINT */
    int      DimensionIndex   : 16; /* SINT */
    int      DimIndIndex      : 16; /* SINT */
+   unsigned ArrayID          : 10; /* UINT */
 };
 
 /* Very similar to a tgsi_dst_register, removing unsupported fields
@@ -84,6 +85,7 @@ struct ureg_dst
    int      Index           : 16; /* SINT */
    int      IndirectIndex   : 16; /* SINT */
    int      IndirectSwizzle : 2;  /* TGSI_SWIZZLE_ */
+   unsigned ArrayID         : 10; /* UINT */
 };
 
 struct pipe_context;
@@ -1129,6 +1131,7 @@ ureg_dst( struct ureg_src src )
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = src.Index;
+   dst.ArrayID = src.ArrayID;
 
    return dst;
 }
@@ -1157,6 +1160,7 @@ ureg_src_register(unsigned file,
    src.DimIndFile = TGSI_FILE_NULL;
    src.DimIndIndex = 0;
    src.DimIndSwizzle = 0;
+   src.ArrayID = 0;
 
    return src;
 }
@@ -1184,6 +1188,7 @@ ureg_src( struct ureg_dst dst )
    src.DimIndFile = TGSI_FILE_NULL;
    src.DimIndIndex = 0;
    src.DimIndSwizzle = 0;
+   src.ArrayID = dst.ArrayID;
 
    return src;
 }
@@ -1208,6 +1213,7 @@ ureg_dst_undef( void )
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = 0;
+   dst.ArrayID = 0;
 
    return dst;
 }
@@ -1235,6 +1241,7 @@ ureg_src_undef( void )
    src.DimIndFile = TGSI_FILE_NULL;
    src.DimIndIndex = 0;
    src.DimIndSwizzle = 0;
+   src.ArrayID = 0;
 
    return src;
 }
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.c b/src/gallium/auxiliary/tgsi/tgsi_util.c
index 8a5a8ea..dfd32d7 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.c
@@ -320,3 +320,21 @@ tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst,
 
    return usage_mask;
 }
+
+/**
+ * Convert a tgsi_ind_register into a tgsi_src_register
+ */
+struct tgsi_src_register
+tgsi_util_get_src_from_ind(const struct tgsi_ind_register *reg)
+{
+   struct tgsi_src_register src = {};
+
+   src.File = reg->File;
+   src.Index = reg->Index;
+   src.SwizzleX = reg->Swizzle;
+   src.SwizzleY = reg->Swizzle;
+   src.SwizzleZ = reg->Swizzle;
+   src.SwizzleW = reg->Swizzle;
+
+   return src;
+}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_util.h b/src/gallium/auxiliary/tgsi/tgsi_util.h
index 04702ba..d9f8859 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_util.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_util.h
@@ -76,6 +76,9 @@ unsigned
 tgsi_util_get_inst_usage_mask(const struct tgsi_full_instruction *inst,
                               unsigned src_idx);
 
+struct tgsi_src_register
+tgsi_util_get_src_from_ind(const struct tgsi_ind_register *reg);
+
 #if defined __cplusplus
 }
 #endif