From 7f20f4493ef1938f0ea8e86dc16f5c058fe7e4f3 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Tue, 21 Nov 2023 01:17:26 -0600
Subject: rtl/gfx: implement shuffler

---
 rtl/gfx/gfx_sp_swizzle.sv | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 rtl/gfx/gfx_sp_swizzle.sv

(limited to 'rtl/gfx/gfx_sp_swizzle.sv')

diff --git a/rtl/gfx/gfx_sp_swizzle.sv b/rtl/gfx/gfx_sp_swizzle.sv
new file mode 100644
index 0000000..d07d934
--- /dev/null
+++ b/rtl/gfx/gfx_sp_swizzle.sv
@@ -0,0 +1,19 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_sp_swizzle
+(
+	input  logic         clk,
+
+	input  vec4          in,
+	input  shuffler_deco deco,
+	input  logic         stall,
+
+	output vec4          out
+);
+
+	always_ff @(posedge clk)
+		if (!stall)
+			for (integer i = 0; i < `FLOATS_PER_VEC; ++i)
+				out[i] <= in[deco.swizzle_op[i]];
+
+endmodule
-- 
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