From 081a8a3ba8bfe036f31da53f9c041a2caa30fce2 Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Sun, 5 May 2024 17:34:22 -0600
Subject: rtl/legacy_gfx: rename gfx -> legacy_gfx

---
 rtl/gfx/gfx_rop.sv | 85 ------------------------------------------------------
 1 file changed, 85 deletions(-)
 delete mode 100644 rtl/gfx/gfx_rop.sv

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

diff --git a/rtl/gfx/gfx_rop.sv b/rtl/gfx/gfx_rop.sv
deleted file mode 100644
index 3e6ef35..0000000
--- a/rtl/gfx/gfx_rop.sv
+++ /dev/null
@@ -1,85 +0,0 @@
-`include "gfx/gfx_defs.sv"
-
-module gfx_rop
-(
-	input  logic        clk,
-	                    rst_n,
-
-	input  vram_addr    frag_base,
-
-	input  frag_paint   in,
-	input  logic        in_valid,
-	output logic        in_ready,
-
-	input  logic        rop_waitrequest,
-	output logic        rop_write,
-	output vram_word    rop_writedata,
-	output vram_addr    rop_address,
-
-	output linear_coord mask_addr,
-	output logic        mask_assert
-);
-
-	enum int unsigned
-	{
-		IDLE,
-		WRITE_LO,
-		WRITE_HI
-	} state;
-
-	logic hi;
-	vram_word color_hi, color_lo;
-	frag_paint hold;
-
-	assign {color_hi, color_lo} = hold.color;
-
-	assign mask_addr = hold.addr;
-	assign rop_address = frag_base + {5'd0, hold.addr, hi};
-	assign rop_writedata = hi ? color_hi : color_lo;
-
-	always_comb begin
-		hi = 1'bx;
-		in_ready = 0;
-		rop_write = 0;
-		mask_assert = 0;
-
-		unique case (state)
-			IDLE: 
-				in_ready = 1;
-
-			WRITE_LO: begin
-				hi = 0;
-				rop_write = 1;
-				mask_assert = 1;
-			end
-
-			WRITE_HI: begin
-				hi = 1;
-				in_ready = !rop_waitrequest;
-				rop_write = 1;
-			end
-		endcase
-	end
-
-	always_ff @(posedge clk or negedge rst_n)
-		if (!rst_n)
-			state <= IDLE;
-		else unique case (state)
-			IDLE:
-				if (in_valid)
-					state <= WRITE_LO;
-
-			WRITE_LO:
-				if (!rop_waitrequest)
-					state <= WRITE_HI;
-
-			WRITE_HI:
-				if (!rop_waitrequest)
-					state <= in_valid ? WRITE_LO : IDLE;
-		endcase
-
-	always_ff @(posedge clk)
-		if (in_ready)
-			hold <= in;
-
-endmodule
-- 
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