minor update

2021-08-02 22:29:05 -07:00
parent 16f1f24a62
commit 07f6667b66
3 changed files with 30 additions and 5 deletions
--- a/hw/rtl/tex_unit/VX_tex_wrap.v
+++ b/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