diff --git a/hw/rtl/tex_unit/VX_tex_bilerp.v b/hw/rtl/tex_unit/VX_tex_bilerp.v
deleted file mode 100644
index 0388dbfe..00000000
--- a/hw/rtl/tex_unit/VX_tex_bilerp.v
+++ /dev/null
@@ -1,68 +0,0 @@
-`include "VX_tex_define.vh"
-
-module VX_tex_bilerp #(
-    parameter CORE_ID = 0
-) (
-    input wire [`BLEND_FRAC_64-1:0]   blendU,
-    input wire [`BLEND_FRAC_64-1:0]   blendV,
-
-    input wire [3:0][63:0]            texels,
-    input wire [`NUM_COLOR_CHANNEL-1:0] color_enable,
-
-    output wire [31:0]                sampled_data
-);  
-    `UNUSED_PARAM (CORE_ID)
-
-    wire [63:0] UL_lerp;
-    wire [63:0] UH_lerp;
-    wire [63:0] V_lerp;
-    reg [31:0] sampled_r;
-
-    VX_tex_lerp #(
-    ) tex_lerp_UL (
-        .blend(blendU), 
-        .in_texels({texels[1], texels[0]}),
-        .lerp_texel(UL_lerp)
-    );  
-
-    VX_tex_lerp #(
-    ) tex_lerp_UH (
-        .blend(blendU), 
-        .in_texels({texels[3], texels[2]}),
-        .lerp_texel(UH_lerp)
-    );  
-
-    VX_tex_lerp #(
-    ) tex_lerp_V (
-        .blend(blendV), 
-        .in_texels({UH_lerp, UL_lerp}),
-        .lerp_texel(V_lerp)
-    );  
-
-    `UNUSED_VAR (V_lerp[63:56])
-
-    always @(*) begin
-        if (color_enable[3]==1'b1) //R
-            sampled_r[31:24] = V_lerp[55:48];
-        else
-            sampled_r[31:24] = {`TEX_COLOR_BITS{1'b0}};
-
-        if (color_enable[2]==1'b1) //G
-            sampled_r[23:16] = V_lerp[39:32];
-        else
-            sampled_r[23:16] = {`TEX_COLOR_BITS{1'b0}};
-
-        if (color_enable[1]==1'b1) //B
-            sampled_r[15:8] = V_lerp[23:16];
-        else
-            sampled_r[15:8] = {`TEX_COLOR_BITS{1'b0}};
-
-        if (color_enable[0]==1'b1) //A
-            sampled_r[7:0] = V_lerp[7:0];
-        else
-            sampled_r[7:0] = {`TEX_COLOR_BITS{1'b1}};
-    end
-
-    assign sampled_data = sampled_r;
-
-endmodule
\ No newline at end of file
diff --git a/hw/rtl/tex_unit/VX_tex_define.vh b/hw/rtl/tex_unit/VX_tex_define.vh
index 4ba00a75..380ee659 100644
--- a/hw/rtl/tex_unit/VX_tex_define.vh
+++ b/hw/rtl/tex_unit/VX_tex_define.vh
@@ -11,10 +11,6 @@
 
 `define CLAMP(x,lo,hi)  (($signed(x) < $signed(lo)) ? lo : ((x > hi) ? hi : x))
 
-`define BLEND_FRAC_64    8
-
-`define LERP_64(x1,x2,frac) ((x2 + (((x1 - x2) * frac) >> `BLEND_FRAC_64)) & 64'h00ff00ff00ff00ff)
-
 `define TEX_ADDR_BITS       32
 `define TEX_FORMAT_BITS     3
 `define TEX_WRAP_BITS       2
@@ -32,10 +28,8 @@
 `define TEX_WRAP_REPEAT     1
 `define TEX_WRAP_MIRROR     2
 
-`define MAX_COLOR_WIDTH     8
-`define NUM_COLOR_CHANNEL   4  
-
 `define TEX_COLOR_BITS      8
+`define BLEND_FRAC          8
 
 `define TEX_FORMAT_R8G8B8A8 `TEX_FORMAT_BITS'(0)
 `define TEX_FORMAT_R5G6B5   `TEX_FORMAT_BITS'(1)
diff --git a/hw/rtl/tex_unit/VX_tex_format.v b/hw/rtl/tex_unit/VX_tex_format.v
index af217f8a..33cb4d24 100644
--- a/hw/rtl/tex_unit/VX_tex_format.v
+++ b/hw/rtl/tex_unit/VX_tex_format.v
@@ -1,125 +1,57 @@
 `include "VX_tex_define.vh"
 
 module VX_tex_format #(
-    parameter CORE_ID    = 0,
-    parameter NUM_TEXELS = 4 //BILINEAR
+    parameter CORE_ID = 0
 ) (
-    input wire [NUM_TEXELS-1:0][31:0]    texel_data,
-    input wire [`TEX_FORMAT_BITS-1:0]    format,
-
-    output wire [`NUM_COLOR_CHANNEL-1:0] color_enable,
-    output wire [NUM_TEXELS-1:0][63:0]   formatted_lerp_texel,     
-    output wire [31:0]                   formatted_pt_texel
+    input wire [`TEX_FORMAT_BITS-1:0] format,
+    input wire [31:0]   texel_in,    
+    output wire [31:0]  texel_out
 );  
     `UNUSED_PARAM (CORE_ID)
 
-    reg [`NUM_COLOR_CHANNEL-1:0] color_enable_r;
-    reg [NUM_TEXELS-1:0][63:0] formatted_texel_r;   
-    reg [31:0]                 formatted_pt_r; 
+    reg [31:0] texel_out_r;
 
-    always @(*) begin
-        // bilerp/trilerp input
-        for (integer i = 0; i<NUM_TEXELS ;i++ ) begin
-            case (format)
-                `TEX_FORMAT_R5G6B5: begin
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][4:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][10:5]);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][15:11]);
-                    formatted_texel_r[i][55:48] = {`TEX_COLOR_BITS{1'b0}};
-                    if (i == 0)
-                        color_enable_r = 4'b0111;
-                end
-                `TEX_FORMAT_R4G4B4A4: begin
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][3:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][7:4]);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][11:8]);
-                    formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(texel_data[i][15:12]);
-                    if (i == 0)
-                        color_enable_r = 4'b1111;
-                end
-                `TEX_FORMAT_L8A8: begin
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][7:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][15:8]);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(0);
-                    formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(0);
-                    if (i == 0)
-                        color_enable_r = 4'b0011;
-                end
-                `TEX_FORMAT_A8: begin
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][7:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(0);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(0);
-                    formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(0);
-                    if (i == 0)
-                        color_enable_r = 4'b0001;
-                end
-                `TEX_FORMAT_L8: begin
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][7:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(0);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(0);
-                    formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(0);
-                    if (i == 0)
-                        color_enable_r = 4'b0001;
-                end
-                default: begin // `TEX_FORMAT_R8G8B8A8:
-                    formatted_texel_r[i][07:00] = `TEX_COLOR_BITS'(texel_data[i][7:0]);
-                    formatted_texel_r[i][23:16] = `TEX_COLOR_BITS'(texel_data[i][15:8]);
-                    formatted_texel_r[i][39:32] = `TEX_COLOR_BITS'(texel_data[i][23:16]);
-                    formatted_texel_r[i][55:48] = `TEX_COLOR_BITS'(texel_data[i][31:24]);
-                    if (i == 0)
-                        color_enable_r = 4'b1111;
-                end
-            endcase
-        end
-
-        // pt sampling direct output
+    always @(*) begin        
         case (format)
-            `TEX_FORMAT_R5G6B5: begin
-                formatted_pt_r[07:00] = {`TEX_COLOR_BITS{1'b1}};
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(texel_data[0][4:0]);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(texel_data[0][10:5]);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(texel_data[0][15:11]);
-            end
-            `TEX_FORMAT_R4G4B4A4: begin
-                formatted_pt_r[07:00] = `TEX_COLOR_BITS'(texel_data[0][3:0]);
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(texel_data[0][7:4]);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(texel_data[0][11:8]);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(texel_data[0][15:12]);
-            end
-            `TEX_FORMAT_L8A8: begin
-                formatted_pt_r[07:00] = `TEX_COLOR_BITS'(texel_data[0][7:0]);
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(texel_data[0][15:8]);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(0);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(0);
-            end
-            `TEX_FORMAT_A8: begin
-                formatted_pt_r[07:00] = `TEX_COLOR_BITS'(texel_data[0][7:0]);
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(0);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(0);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(0);
-            end
-            `TEX_FORMAT_L8: begin
-                formatted_pt_r[07:00] = `TEX_COLOR_BITS'(texel_data[0][7:0]);
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(0);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(0);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(0);
-            end
-            default: begin // `TEX_FORMAT_R8G8B8A8:
-                formatted_pt_r[07:00] = `TEX_COLOR_BITS'(texel_data[0][7:0]);
-                formatted_pt_r[15:08] = `TEX_COLOR_BITS'(texel_data[0][15:8]);
-                formatted_pt_r[23:16] = `TEX_COLOR_BITS'(texel_data[0][23:16]);
-                formatted_pt_r[31:24] = `TEX_COLOR_BITS'(texel_data[0][31:24]);
-            end
+        `TEX_FORMAT_R5G6B5: begin
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[4:0]);  
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[10:5]);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[15:11]);
+            texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}};
+        end
+        `TEX_FORMAT_R4G4B4A4: begin
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[3:0]);
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:4]);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[11:8]);
+            texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[15:12]);
+        end
+        `TEX_FORMAT_L8A8: begin
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[15:8]);
+        end
+        `TEX_FORMAT_A8: begin
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(0);
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(0);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(0);
+            texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[7:0]);
+        end
+        `TEX_FORMAT_L8: begin
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[31:24] = {`TEX_COLOR_BITS{1'b1}};
+        end
+        default: begin // `TEX_FORMAT_R8G8B8A8:
+            texel_out_r[07:00] = `TEX_COLOR_BITS'(texel_in[7:0]);
+            texel_out_r[15:08] = `TEX_COLOR_BITS'(texel_in[15:8]);
+            texel_out_r[23:16] = `TEX_COLOR_BITS'(texel_in[23:16]);
+            texel_out_r[31:24] = `TEX_COLOR_BITS'(texel_in[31:24]);
+        end
         endcase
-
-
-
     end
 
-    assign color_enable = color_enable_r;
-    assign formatted_pt_texel = formatted_pt_r;
-    for (genvar i = 0; i < NUM_TEXELS; i++) begin
-        assign formatted_lerp_texel[i] = formatted_texel_r[i] & 64'h00ff00ff00ff00ff;
-    end
+    assign texel_out = texel_out_r;
 
 endmodule
diff --git a/hw/rtl/tex_unit/VX_tex_lerp.v b/hw/rtl/tex_unit/VX_tex_lerp.v
index aae068f6..d2af2850 100644
--- a/hw/rtl/tex_unit/VX_tex_lerp.v
+++ b/hw/rtl/tex_unit/VX_tex_lerp.v
@@ -2,19 +2,34 @@
 
 module VX_tex_lerp #(
 ) (
-    input wire [`BLEND_FRAC_64-1:0]   blend, 
-    input wire [1:0][63:0]            in_texels,
-
-    output wire [63:0]                lerp_texel
+    input wire [`BLEND_FRAC-1:0] blend, 
+    input wire  [31:0] in1,
+    input wire  [31:0] in2,
+    output wire [31:0] out
 );  
+    wire [63:0] in1_w, in2_w;
+    wire [63:0] lerp1, lerp2;
 
-    `UNUSED_VAR (lerp_i1[55:48])
+    `UNUSED_VAR (lerp1)
+    `UNUSED_VAR (lerp2)
 
-    wire [63:0] lerp_i1;
-    wire [63:0] lerp_i2; // >> BLEND_FRAC_64 / >> 8
+    assign in1_w[15:00] = {8'h00, in1[07:00]};
+    assign in1_w[31:16] = {8'h00, in1[15:08]};
+    assign in1_w[47:32] = {8'h00, in1[23:16]};
+    assign in1_w[63:48] = {8'h00, in1[31:24]};
 
-    assign lerp_i1 = (in_texels[0] - in_texels[1]) * blend;
-    assign lerp_i2 = in_texels[1] + {8'h00,lerp_i1[63:56], 8'h00,lerp_i1[47:40], 8'h00,lerp_i1[31:24], 8'h00,lerp_i1[15:8]};
-    assign lerp_texel = lerp_i2 & 64'h00ff00ff00ff00ff;
+    assign in2_w[15:00] = {8'h00, in2[07:00]};
+    assign in2_w[31:16] = {8'h00, in2[15:08]};
+    assign in2_w[47:32] = {8'h00, in2[23:16]};
+    assign in2_w[63:48] = {8'h00, in2[31:24]};
+
+    assign lerp1 = (in2_w - in1_w) * blend;
+    
+    assign lerp2 = in1_w + {8'h00,lerp1[63:56], 8'h00,lerp1[47:40], 8'h00,lerp1[31:24], 8'h00,lerp1[15:8]};
+    
+    assign out[07:00] = lerp2[07:00];
+    assign out[15:08] = lerp2[23:16];
+    assign out[23:16] = lerp2[39:32];
+    assign out[31:24] = lerp2[55:48];
 
 endmodule
\ No newline at end of file
diff --git a/hw/rtl/tex_unit/VX_tex_memory.v b/hw/rtl/tex_unit/VX_tex_memory.v
index 1bf041c4..a77293ac 100644
--- a/hw/rtl/tex_unit/VX_tex_memory.v
+++ b/hw/rtl/tex_unit/VX_tex_memory.v
@@ -278,7 +278,7 @@ module VX_tex_memory #(
                     $time, CORE_ID, rsp_wid, rsp_PC, rsp_filter);
             `PRINT_ARRAY2D(rsp_data, 4, `NUM_THREADS);
             $write("\n");
-        end
+        end        
     end
 `endif
 
diff --git a/hw/rtl/tex_unit/VX_tex_sampler.v b/hw/rtl/tex_unit/VX_tex_sampler.v
index da3d8aac..d8cb2ff9 100644
--- a/hw/rtl/tex_unit/VX_tex_sampler.v
+++ b/hw/rtl/tex_unit/VX_tex_sampler.v
@@ -39,37 +39,47 @@ module VX_tex_sampler #(
 
     for (genvar i = 0; i < `NUM_THREADS; i++) begin
 
-        wire [31:0]                 req_data_bilerp;
-        wire [3:0][63:0]            formatted_data;
-        wire [31:0]                 formatted_pt_data;
-        wire [`NUM_COLOR_CHANNEL-1:0] color_enable;
+        wire [3:0][31:0] fmt_texels;
+        wire [31:0] texel_ul, texel_uh, texel_v;
 
-        VX_tex_format #(
-            .CORE_ID (CORE_ID),
-            .NUM_TEXELS (4)
-        ) tex_format (
-            .texel_data  (req_texels[i]),
-            .format (req_format),
+        wire [`BLEND_FRAC-1:0] blend_u = req_u[i][`BLEND_FRAC-1:0];
+        wire [`BLEND_FRAC-1:0] blend_v = req_v[i][`BLEND_FRAC-1:0];
 
-            .color_enable (color_enable),
-            .formatted_lerp_texel(formatted_data),
-            .formatted_pt_texel(formatted_pt_data)
+        for (genvar j = 0; j < 4; j++) begin
+            VX_tex_format #(
+                .CORE_ID (CORE_ID)
+            ) tex_format (
+                .format    (req_format),
+                .texel_in  (req_texels[i][j]),            
+                .texel_out (fmt_texels[j])
+            );
+        end 
+
+        VX_tex_lerp #(
+        ) tex_lerp_ul (
+            .blend (blend_u), 
+            .in1 (fmt_texels[0]),
+            .in2 (fmt_texels[1]),
+            .out (texel_ul)
         );  
 
-        VX_tex_bilerp #(
-            .CORE_ID (CORE_ID)
-        ) tex_bilerp (
-            .blendU (req_u[i][`BLEND_FRAC_64-1:0]),
-            .blendV (req_v[i][`BLEND_FRAC_64-1:0]),
+        VX_tex_lerp #(
+        ) tex_lerp_uh (
+            .blend (blend_u), 
+            .in1 (fmt_texels[2]),
+            .in2 (fmt_texels[3]),
+            .out (texel_uh)
+        );  
 
-            .color_enable (color_enable),
-            .texels (formatted_data),
-            
-            .sampled_data (req_data_bilerp)
-        );    
-
-        assign req_data[i] = (req_filter == `TEX_FILTER_BITS'(0)) ? formatted_pt_data : req_data_bilerp;
+        VX_tex_lerp #(
+        ) tex_lerp_v (
+            .blend (blend_v), 
+            .in1 (texel_ul),
+            .in2 (texel_uh),
+            .out (texel_v)
+        );
 
+        assign req_data[i] = req_filter ? texel_v : fmt_texels[0];
     end
 
     assign stall_out = rsp_valid && ~rsp_ready;
diff --git a/hw/rtl/tex_unit/VX_tex_unit.v b/hw/rtl/tex_unit/VX_tex_unit.v
index 094c595e..921c49c2 100644
--- a/hw/rtl/tex_unit/VX_tex_unit.v
+++ b/hw/rtl/tex_unit/VX_tex_unit.v
@@ -190,7 +190,7 @@ module VX_tex_unit #(
     wire [`NR_BITS-1:0]         rsp_rd;   
     wire                        rsp_wb;
     
-    assign {rsp_format, rsp_u, rsp_v, rsp_rd, rsp_wb} = mem_rsp_info;
+    assign {rsp_u, rsp_v, rsp_format, rsp_rd, rsp_wb} = mem_rsp_info;
 
     VX_tex_sampler #(
         .CORE_ID (CORE_ID)