Add horizontal ice40 span4 wire gfx

Signed-off-by: Clifford Wolf <clifford@clifford.at>

1 files changed, 49 insertions, 0 deletions

diff --git a/ice40/gfx.cc b/ice40/gfx.cc
index 46824b06..5a30c79d 100644
--- a/ice40/gfx.cc
+++ b/ice40/gfx.cc
@@ -23,6 +23,55 @@ NEXTPNR_NAMESPACE_BEGIN
 
 void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId id)
 {
+    if (id >= TILE_WIRE_SP4_H_L_36 && id <= TILE_WIRE_SP4_H_L_47) {
+        int idx = (id - TILE_WIRE_SP4_H_L_36) + 48;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (60 - idx);
+
+        el.x1 = x + 0.0;
+        el.x2 = x + 0.9;
+        el.y1 = y1;
+        el.y2 = y1;
+        g.push_back(el);
+    }
+
+    if (id >= TILE_WIRE_SP4_H_R_0 && id <= TILE_WIRE_SP4_H_R_47) {
+        int idx = id - TILE_WIRE_SP4_H_R_0;
+        GraphicElement el;
+        el.type = GraphicElement::G_LINE;
+
+        float y1 = y + 0.03 + 0.0025 * (60 - idx);
+        float y2 = y + 0.03 + 0.0025 * (60 - (idx ^ 1));
+        float y3 = y + 0.03 + 0.0025 * (60 - (idx ^ 1) - 12);
+
+        if (idx >= 12) {
+            el.x1 = x;
+            el.x2 = x + 0.01;
+            el.y1 = y1;
+            el.y2 = y1;
+            g.push_back(el);
+
+            el.x1 = x + 0.01;
+            el.x2 = x + 0.02;
+            el.y1 = y1;
+            el.y2 = y2;
+            g.push_back(el);
+        }
+
+        el.x1 = x + 0.02;
+        el.x2 = x + 0.9;
+        el.y1 = y2;
+        el.y2 = y2;
+        g.push_back(el);
+
+        el.x1 = x + 0.9;
+        el.x2 = x + 1.0;
+        el.y1 = y2;
+        el.y2 = y3;
+        g.push_back(el);
+    }
 }
 
 NEXTPNR_NAMESPACE_END