rtl/gfx: implement fragment address linearization

1 files changed, 38 insertions, 0 deletions

diff --git a/rtl/gfx/gfx_frag.sv b/rtl/gfx/gfx_frag.sv
new file mode 100644
index 0000000..21f111f
--- /dev/null
+++ b/rtl/gfx/gfx_frag.sv
@@ -0,0 +1,38 @@
+`include "gfx/gfx_defs.sv"
+
+module gfx_frag
+(
+	input  logic         clk,
+	                     rst_n,
+
+	input  frag_xy_lanes fragments,
+	input  paint_lanes   in_valid,
+	output logic         in_ready,
+
+	input  logic         out_ready,
+	output logic         out_valid,
+	output frag_paint    out
+);
+
+	logic addr_stall;
+
+	gfx_pipeline_flow #(.STAGES(`GFX_FRAG_ADDR_STAGES)) addr_flow
+	(
+		.stall(addr_stall),
+		.in_valid(0),
+		.in_ready(),
+		.out_ready(1),
+		.out_valid(),
+		.*
+	);
+
+	gfx_frag_addr addr
+	(
+		.stall(addr_stall),
+
+		.frag(),
+		.linear(),
+		.*
+	);
+
+endmodule