[Mesa-dev] [PATCH 18/19] tgsi/ureg: allow ureg_dst to have dimension indices

[Ilia Mirkin]

Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>
---
 src/gallium/auxiliary/tgsi/tgsi_ureg.c | 24 ++++++++++++--
 src/gallium/auxiliary/tgsi/tgsi_ureg.h | 59 ++++++++++++++++++++++++++++++----
 2 files changed, 75 insertions(+), 8 deletions(-)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index 55d8cf1..7a8bf54 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -914,8 +914,8 @@ void
 ureg_emit_dst( struct ureg_program *ureg,
                struct ureg_dst dst )
 {
-   unsigned size = (1 + 
-                    (dst.Indirect ? 1 : 0));
+   unsigned size = 1 + (dst.Indirect ? 1 : 0) +
+                   (dst.Dimension ? (dst.DimIndirect ? 2 : 1) : 0);
 
    union tgsi_any_token *out = get_tokens( ureg, DOMAIN_INSN, size );
    unsigned n = 0;
@@ -944,6 +944,26 @@ ureg_emit_dst( struct ureg_program *ureg,
       n++;
    }
 
+   if (dst.Dimension) {
+      out[0].dst.Dimension = 1;
+      out[n].dim.Dimension = 0;
+      out[n].dim.Padding = 0;
+      if (dst.DimIndirect) {
+         out[n].dim.Indirect = 1;
+         out[n].dim.Index = dst.DimensionIndex;
+         n++;
+         out[n].value = 0;
+         out[n].ind.File = dst.DimIndFile;
+         out[n].ind.Swizzle = dst.DimIndSwizzle;
+         out[n].ind.Index = dst.DimIndIndex;
+         out[n].ind.ArrayID = dst.ArrayID;
+      } else {
+         out[n].dim.Indirect = 0;
+         out[n].dim.Index = dst.DimensionIndex;
+      }
+      n++;
+   }
+
    assert(n == size);
 }
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.h b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
index 8a2ed0a..c3f4012 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.h
@@ -75,6 +75,8 @@ struct ureg_dst
    unsigned File            : 4;  /* TGSI_FILE_ */
    unsigned WriteMask       : 4;  /* TGSI_WRITEMASK_ */
    unsigned Indirect        : 1;  /* BOOL */
+   unsigned DimIndirect     : 1;  /* BOOL */
+   unsigned Dimension       : 1;  /* BOOL */
    unsigned Saturate        : 1;  /* BOOL */
    unsigned Predicate       : 1;
    unsigned PredNegate      : 1;  /* BOOL */
@@ -86,6 +88,10 @@ struct ureg_dst
    int      IndirectIndex   : 16; /* SINT */
    unsigned IndirectFile    : 4;  /* TGSI_FILE_ */
    int      IndirectSwizzle : 2;  /* TGSI_SWIZZLE_ */
+   unsigned DimIndFile      : 4;  /* TGSI_FILE_ */
+   unsigned DimIndSwizzle   : 2;  /* TGSI_SWIZZLE_ */
+   int      DimensionIndex  : 16; /* SINT */
+   int      DimIndIndex     : 16; /* SINT */
    unsigned ArrayID         : 10; /* UINT */
 };
 
@@ -1108,6 +1114,16 @@ ureg_src_indirect( struct ureg_src reg, struct ureg_src addr )
    return reg;
 }
 
+static INLINE struct ureg_dst
+ureg_dst_dimension( struct ureg_dst reg, int index )
+{
+   assert(reg.File != TGSI_FILE_NULL);
+   reg.Dimension = 1;
+   reg.DimIndirect = 0;
+   reg.DimensionIndex = index;
+   return reg;
+}
+
 static INLINE struct ureg_src
 ureg_src_dimension( struct ureg_src reg, int index )
 {
@@ -1118,6 +1134,19 @@ ureg_src_dimension( struct ureg_src reg, int index )
    return reg;
 }
 
+static INLINE struct ureg_dst
+ureg_dst_dimension_indirect( struct ureg_dst reg, struct ureg_src addr,
+                             int index )
+{
+   assert(reg.File != TGSI_FILE_NULL);
+   reg.Dimension = 1;
+   reg.DimIndirect = 1;
+   reg.DimensionIndex = index;
+   reg.DimIndFile = addr.File;
+   reg.DimIndIndex = addr.Index;
+   reg.DimIndSwizzle = addr.SwizzleX;
+   return reg;
+}
 
 static INLINE struct ureg_src
 ureg_src_dimension_indirect( struct ureg_src reg, struct ureg_src addr,
@@ -1161,6 +1190,12 @@ ureg_dst_register( unsigned file,
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = index;
+   dst.Dimension = 0;
+   dst.DimensionIndex = 0;
+   dst.DimIndirect = 0;
+   dst.DimIndFile = TGSI_FILE_NULL;
+   dst.DimIndIndex = 0;
+   dst.DimIndSwizzle = 0;
    dst.ArrayID = 0;
 
    return dst;
@@ -1189,6 +1224,12 @@ ureg_dst( struct ureg_src src )
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = src.Index;
+   dst.Dimension = src.Dimension;
+   dst.DimensionIndex = src.DimensionIndex;
+   dst.DimIndirect = src.DimIndirect;
+   dst.DimIndFile = src.DimIndFile;
+   dst.DimIndIndex = src.DimIndIndex;
+   dst.DimIndSwizzle = src.DimIndSwizzle;
    dst.ArrayID = src.ArrayID;
 
    return dst;
@@ -1240,12 +1281,12 @@ ureg_src( struct ureg_dst dst )
    src.Absolute  = 0;
    src.Index     = dst.Index;
    src.Negate    = 0;
-   src.Dimension = 0;
-   src.DimensionIndex = 0;
-   src.DimIndirect = 0;
-   src.DimIndFile = TGSI_FILE_NULL;
-   src.DimIndIndex = 0;
-   src.DimIndSwizzle = 0;
+   src.Dimension = dst.Dimension;
+   src.DimensionIndex = dst.DimensionIndex;
+   src.DimIndirect = dst.DimIndirect;
+   src.DimIndFile = dst.DimIndFile;
+   src.DimIndIndex = dst.DimIndIndex;
+   src.DimIndSwizzle = dst.DimIndSwizzle;
    src.ArrayID = dst.ArrayID;
 
    return src;
@@ -1272,6 +1313,12 @@ ureg_dst_undef( void )
    dst.PredSwizzleZ = TGSI_SWIZZLE_Z;
    dst.PredSwizzleW = TGSI_SWIZZLE_W;
    dst.Index     = 0;
+   dst.Dimension = 0;
+   dst.DimensionIndex = 0;
+   dst.DimIndirect = 0;
+   dst.DimIndFile = TGSI_FILE_NULL;
+   dst.DimIndIndex = 0;
+   dst.DimIndSwizzle = 0;
    dst.ArrayID = 0;
 
    return dst;
-- 
2.0.5