minor update

hw/rtl/tex_unit/VX_tex_define.vh

@@ -9,8 +9,6 @@
 `define FIXED_HALF      (`FIXED_ONE >> 1)
 `define FIXED_MASK      (`FIXED_ONE - 1)
 
-`define CLAMP(x,lo,hi)  (($signed(x) < $signed(lo)) ? lo : ((x > hi) ? hi : x))
-
 `define TEX_ADDR_BITS       32
 `define TEX_FORMAT_BITS     3
 `define TEX_WRAP_BITS       2

hw/rtl/tex_unit/VX_tex_wrap.v

@@ -12,14 +12,20 @@ module VX_tex_wrap #(
 
     reg [`FIXED_FRAC-1:0] coord_r;
 
-    wire [31:0] clamp = `CLAMP(coord_i, 0, `FIXED_MASK);
+    wire [`FIXED_FRAC-1:0] clamp;
 
-    `UNUSED_VAR (clamp)
+    VX_sat_fx #(
+        .IN_W  (32),
+        .OUT_W (`FIXED_FRAC)
+    ) sat_fx (
+        .data_in  (coord_i),
+        .data_out (clamp)
+    );
 
     always @(*) begin
         case (wrap_i)
             `TEX_WRAP_CLAMP:   
-                coord_r = clamp[`FIXED_FRAC-1:0];
+                coord_r = clamp;
             `TEX_WRAP_MIRROR: 
                 coord_r = coord_i[`FIXED_FRAC-1:0] ^ {`FIXED_FRAC{coord_i[`FIXED_FRAC]}};
             default: //`TEX_WRAP_REPEAT