From 4396a646a7c10d4748c8b2ae105b100b7f1fedb7 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Wed, 8 Mar 2023 12:17:37 +0100
Subject: Add simple BEL graphics

---
 machxo2/gfx.cc | 98 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 machxo2/gfx.cc

(limited to 'machxo2/gfx.cc')

diff --git a/machxo2/gfx.cc b/machxo2/gfx.cc
new file mode 100644
index 00000000..97876ad2
--- /dev/null
+++ b/machxo2/gfx.cc
@@ -0,0 +1,98 @@
+/*
+ *  nextpnr -- Next Generation Place and Route
+ *
+ *  Copyright (C) 2023  Miodrag Milanovic <micko@yosyshq.com>
+ *
+ *  Permission to use, copy, modify, and/or distribute this software for any
+ *  purpose with or without fee is hereby granted, provided that the above
+ *  copyright notice and this permission notice appear in all copies.
+ *
+ *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+
+#include "gfx.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+const float slice_x1 = 0.800;
+const float slice_x2_comb = 0.927;
+//const float slice_x1_ff = 0.933;
+const float slice_x2 = 0.94;
+const float slice_y1 = 0.60;
+const float slice_y2 = 0.65 + 0.1 / 4;
+const float slice_pitch = 0.1;
+
+const float io_cell_v_x1 = 0.76;
+const float io_cell_v_x2 = 0.95;
+const float io_cell_v_y1 = 0.05;
+const float io_cell_gap = 0.10;
+const float io_cell_h_x1 = 0.05;
+const float io_cell_h_y1 = 0.05;
+const float io_cell_h_y2 = 0.24;
+
+
+void gfxTileBel(std::vector<GraphicElement> &g, int x, int y, int z, int w, int h, IdString bel_type,
+                GraphicElement::style_t style)
+{
+    GraphicElement el;
+    el.type = GraphicElement::TYPE_BOX;
+    el.style = style;
+    if (bel_type == id_FACADE_SLICE) {
+        el.x1 = x + slice_x1;
+        el.x2 = x + slice_x2_comb;
+        el.y1 = y + slice_y1 + z * slice_pitch;
+        el.y2 = y + slice_y2 + z * slice_pitch;
+        g.push_back(el);
+/*    } else if (bel_type == id_FACADE_FF) {
+        el.x1 = x + slice_x1_ff;
+        el.x2 = x + slice_x2;
+        el.y1 = y + slice_y1 + z * slice_pitch;
+        el.y2 = y + slice_y2 + z * slice_pitch;
+        g.push_back(el);*/
+    } else if (bel_type.in(id_FACADE_IO)) {
+        bool top_bottom = (y == 0 || y == (h - 1));
+        if (top_bottom) {
+            el.x1 = x + io_cell_h_x1 + (z + 2) * io_cell_gap;
+            el.x2 = x + io_cell_h_x1 + (z + 2) * io_cell_gap + 0.08f;
+            if (y == h - 1) {
+                el.y1 = y + 1 - io_cell_h_y1;
+                el.y2 = y + 1 - io_cell_h_y2;
+            } else {
+                el.y1 = y + io_cell_h_y1;
+                el.y2 = y + io_cell_h_y2;
+            }
+        } else {
+            if (x == 0) {
+                el.x1 = x + 1 - io_cell_v_x1;
+                el.x2 = x + 1 - io_cell_v_x2;
+            } else {
+                el.x1 = x + io_cell_v_x1;
+                el.x2 = x + io_cell_v_x2;
+            }
+            el.y1 = y + io_cell_v_y1 + z * io_cell_gap;
+            el.y2 = y + io_cell_v_y1 + z * io_cell_gap + 0.08f;
+        }
+        g.push_back(el);
+    }
+}
+
+void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, int w, int h, IdString wire_type, GfxTileWireId tilewire,
+                 GraphicElement::style_t style)
+{
+}
+
+
+void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, int w, int h, WireId src, IdString src_type,
+                GfxTileWireId src_id, WireId dst, IdString dst_type, GfxTileWireId dst_id,
+                GraphicElement::style_t style)
+{
+}
+
+NEXTPNR_NAMESPACE_END
-- 
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