Add simple BEL graphics

5 files changed, 245 insertions, 1 deletions

diff --git a/machxo2/arch.cc b/machxo2/arch.cc
index d85921bc..350b08cb 100644
--- a/machxo2/arch.cc
+++ b/machxo2/arch.cc
@@ -21,6 +21,7 @@
 #include <iostream>
 #include <math.h>
 #include "embed.h"
+#include "gfx.h"
 #include "nextpnr.h"
 #include "placer1.h"
 #include "placer_heap.h"
@@ -449,6 +450,79 @@ bool Arch::route()
     return result;
 }
 
+// -----------------------------------------------------------------------
+
+std::vector<GraphicElement> Arch::getDecalGraphics(DecalId decal) const
+{
+    std::vector<GraphicElement> ret;
+    if (decal.type == DecalId::TYPE_WIRE) {
+        WireId wire;
+        wire.index = decal.z;
+        wire.location = decal.location;
+        auto wire_type = getWireType(wire);
+        int x = decal.location.x;
+        int y = decal.location.y;
+        GraphicElement::style_t style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_INACTIVE;
+        GfxTileWireId tilewire = GfxTileWireId(tile_info(wire)->wire_data[wire.index].tile_wire);
+        gfxTileWire(ret, x, y, chip_info->width, chip_info->height, wire_type, tilewire, style);
+    } else if (decal.type == DecalId::TYPE_PIP) {
+        PipId pip;
+        pip.index = decal.z;
+        pip.location = decal.location;
+        WireId src_wire = getPipSrcWire(pip);
+        WireId dst_wire = getPipDstWire(pip);
+        int x = decal.location.x;
+        int y = decal.location.y;
+        GfxTileWireId src_id = GfxTileWireId(tile_info(src_wire)->wire_data[src_wire.index].tile_wire);
+        GfxTileWireId dst_id = GfxTileWireId(tile_info(dst_wire)->wire_data[dst_wire.index].tile_wire);
+        GraphicElement::style_t style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_HIDDEN;
+        gfxTilePip(ret, x, y, chip_info->width, chip_info->height, src_wire, getWireType(src_wire), src_id, dst_wire,
+                   getWireType(dst_wire), dst_id, style);
+    } else if (decal.type == DecalId::TYPE_BEL) {
+        BelId bel;
+        bel.index = decal.z;
+        bel.location = decal.location;
+        auto bel_type = getBelType(bel);
+        int x = decal.location.x;
+        int y = decal.location.y;
+        int z = tile_info(bel)->bel_data[bel.index].z;
+        GraphicElement::style_t style = decal.active ? GraphicElement::STYLE_ACTIVE : GraphicElement::STYLE_INACTIVE;
+        gfxTileBel(ret, x, y, z, chip_info->width, chip_info->height, bel_type, style);
+    }
+
+    return ret;
+}
+
+DecalXY Arch::getBelDecal(BelId bel) const
+{
+    DecalXY decalxy;
+    decalxy.decal.type = DecalId::TYPE_BEL;
+    decalxy.decal.location = bel.location;
+    decalxy.decal.z = bel.index;
+    decalxy.decal.active = getBoundBelCell(bel) != nullptr;
+    return decalxy;
+}
+
+DecalXY Arch::getWireDecal(WireId wire) const
+{
+    DecalXY decalxy;
+    decalxy.decal.type = DecalId::TYPE_WIRE;
+    decalxy.decal.location = wire.location;
+    decalxy.decal.z = wire.index;
+    decalxy.decal.active = getBoundWireNet(wire) != nullptr;
+    return decalxy;
+}
+
+DecalXY Arch::getPipDecal(PipId pip) const
+{
+    DecalXY decalxy;
+    decalxy.decal.type = DecalId::TYPE_PIP;
+    decalxy.decal.location = pip.location;
+    decalxy.decal.z = pip.index;
+    decalxy.decal.active = getBoundPipNet(pip) != nullptr;
+    return decalxy;
+};
+
 // ---------------------------------------------------------------
 
 bool Arch::isBelLocationValid(BelId bel, bool explain_invalid) const
diff --git a/machxo2/arch.h b/machxo2/arch.h
index 214d8bb2..26e8a9ef 100644
--- a/machxo2/arch.h
+++ b/machxo2/arch.h
@@ -643,6 +643,13 @@ struct Arch : BaseArch<ArchRanges>
     bool place() override;
     bool route() override;
 
+    // Graphics
+    std::vector<GraphicElement> getDecalGraphics(DecalId decal) const override;
+
+    DecalXY getBelDecal(BelId bel) const override;
+    DecalXY getWireDecal(WireId wire) const override;
+    DecalXY getPipDecal(PipId pip) const override;
+
     // Placer
     bool isBelLocationValid(BelId bel, bool explain_invalid = false) const override;
 
diff --git a/machxo2/archdefs.h b/machxo2/archdefs.h
index 87f9c98a..1520f0c3 100644
--- a/machxo2/archdefs.h
+++ b/machxo2/archdefs.h
@@ -107,8 +107,31 @@ struct PipId
     unsigned int hash() const { return mkhash(location.hash(), index); }
 };
 
+struct DecalId
+{
+    enum
+    {
+        TYPE_NONE,
+        TYPE_BEL,
+        TYPE_WIRE,
+        TYPE_PIP,
+        TYPE_GROUP
+    } type = TYPE_NONE;
+    Location location;
+    uint32_t z = 0;
+    bool active = false;
+    bool operator==(const DecalId &other) const
+    {
+        return type == other.type && location == other.location && z == other.z && active == other.active;
+    }
+    bool operator!=(const DecalId &other) const
+    {
+        return type != other.type || location != other.location || z != other.z || active != other.active;
+    }
+    unsigned int hash() const { return mkhash(location.hash(), mkhash(z, int(type))); }
+};
+
 typedef IdString GroupId;
-typedef IdString DecalId;
 typedef IdString BelBucketId;
 typedef IdString ClusterId;
 
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
diff --git a/machxo2/gfx.h b/machxo2/gfx.h
new file mode 100644
index 00000000..2914844f
--- /dev/null
+++ b/machxo2/gfx.h
@@ -0,0 +1,42 @@
+/*
+ *  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.
+ *
+ */
+
+#ifndef MACHXO2_GFX_H
+#define MACHXO2_GFX_H
+
+#include "nextpnr.h"
+
+NEXTPNR_NAMESPACE_BEGIN
+
+enum GfxTileWireId
+{
+    TILE_WIRE_NONE,
+};
+
+void gfxTileBel(std::vector<GraphicElement> &g, int x, int y, int z, int w, int h, IdString bel_type,
+                GraphicElement::style_t style);
+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
+
+#endif