diff options
Diffstat (limited to 'ice40/gfx.cc')
-rw-r--r-- | ice40/gfx.cc | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/ice40/gfx.cc b/ice40/gfx.cc index 19aaed13..aa2fc9ce 100644 --- a/ice40/gfx.cc +++ b/ice40/gfx.cc @@ -485,4 +485,223 @@ void gfxTileWire(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId id, } } +static bool getWireXY_main(GfxTileWireId id, float &x, float &y) +{ + // Horizontal Span-4 Wires + + 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; + x = main_swbox_x1 + 0.0025 * (idx + 35); + y = main_swbox_y2; + return true; + } + + if (id >= TILE_WIRE_SP4_H_R_0 && id <= TILE_WIRE_SP4_H_R_47) { + int idx = id - TILE_WIRE_SP4_H_R_0; + x = main_swbox_x1 + 0.0025 * ((idx ^ 1) + 35); + y = main_swbox_y2; + return true; + } + + // Vertical Span-4 Wires + + if (id >= TILE_WIRE_SP4_V_T_36 && id <= TILE_WIRE_SP4_V_T_47) { + int idx = (id - TILE_WIRE_SP4_V_T_36) + 48; + y = 1.0 - (0.03 + 0.0025 * (270 - idx)); + x = main_swbox_x1; + return true; + } + + if (id >= TILE_WIRE_SP4_V_B_0 && id <= TILE_WIRE_SP4_V_B_47) { + int idx = id - TILE_WIRE_SP4_V_B_0; + y = 1.0 - (0.03 + 0.0025 * (270 - (idx ^ 1))); + x = main_swbox_x1; + return true; + } + + // Horizontal Span-12 Wires + + if (id >= TILE_WIRE_SP12_H_L_22 && id <= TILE_WIRE_SP12_H_L_23) { + int idx = (id - TILE_WIRE_SP12_H_L_22) + 24; + x = main_swbox_x1 + 0.0025 * (idx + 5); + y = main_swbox_y2; + return true; + } + + if (id >= TILE_WIRE_SP12_H_R_0 && id <= TILE_WIRE_SP12_H_R_23) { + int idx = id - TILE_WIRE_SP12_H_R_0; + x = main_swbox_x1 + 0.0025 * ((idx ^ 1) + 5); + y = main_swbox_y2; + return true; + } + + // Vertical Right Span-4 + + if (id >= TILE_WIRE_SP4_R_V_B_0 && id <= TILE_WIRE_SP4_R_V_B_47) { + int idx = id - TILE_WIRE_SP4_R_V_B_0; + y = 1.0 - (0.03 + 0.0025 * (145 - (idx ^ 1))); + x = main_swbox_x2; + return true; + } + + // Vertical Span-12 Wires + + if (id >= TILE_WIRE_SP12_V_T_22 && id <= TILE_WIRE_SP12_V_T_23) { + int idx = (id - TILE_WIRE_SP12_V_T_22) + 24; + y = 1.0 - (0.03 + 0.0025 * (300 - idx)); + x = main_swbox_x1; + return true; + } + + if (id >= TILE_WIRE_SP12_V_B_0 && id <= TILE_WIRE_SP12_V_B_23) { + int idx = id - TILE_WIRE_SP12_V_B_0; + y = 1.0 - (0.03 + 0.0025 * (300 - (idx ^ 1))); + x = main_swbox_x1; + return true; + } + + // Global2Local + + if (id >= TILE_WIRE_GLB2LOCAL_0 && id <= TILE_WIRE_GLB2LOCAL_3) { + int idx = id - TILE_WIRE_GLB2LOCAL_0; + x = main_swbox_x1 + 0.005 * (idx + 5); + y = main_swbox_y1; + return true; + } + + // GlobalNets + + if (id >= TILE_WIRE_GLB_NETWK_0 && id <= TILE_WIRE_GLB_NETWK_7) { + int idx = id - TILE_WIRE_GLB_NETWK_0; + x = main_swbox_x1; + y = main_swbox_y1 + 0.005 * (13 - idx); + return true; + } + + // Neighbours + + if (id >= TILE_WIRE_NEIGH_OP_BNL_0 && id <= TILE_WIRE_NEIGH_OP_TOP_7) { + int idx = id - TILE_WIRE_NEIGH_OP_BNL_0; + y = main_swbox_y2 - (0.0025 * (idx + 10) + 0.01 * (idx / 8)); + x = main_swbox_x1; + return true; + } + + // Local Tracks + + if (id >= TILE_WIRE_LOCAL_G0_0 && id <= TILE_WIRE_LOCAL_G3_7) { + int idx = id - TILE_WIRE_LOCAL_G0_0; + float yoff = (local_swbox_y1 + local_swbox_y2) / 2 - 0.005 * 16 - 0.075; + x = main_swbox_x2; + y = yoff + 0.005 * idx + 0.05 * (idx / 8); + return true; + } + + // LC Outputs + + if (id >= TILE_WIRE_LUTFF_0_OUT && id <= TILE_WIRE_LUTFF_7_OUT) { + int idx = id - TILE_WIRE_LUTFF_0_OUT; + y = 1.0 - (0.03 + 0.0025 * (152 + idx)); + x = main_swbox_x2; + return true; + } + + // LC Control + + if (id >= TILE_WIRE_LUTFF_GLOBAL_CEN && id <= TILE_WIRE_LUTFF_GLOBAL_S_R) { + int idx = id - TILE_WIRE_LUTFF_GLOBAL_CEN; + x = main_swbox_x2 - 0.005 * (idx + 5); + y = main_swbox_y1; + return true; + } + + return false; +} + +static bool getWireXY_local(GfxTileWireId id, float &x, float &y) +{ + if (id >= TILE_WIRE_LOCAL_G0_0 && id <= TILE_WIRE_LOCAL_G3_7) { + int idx = id - TILE_WIRE_LOCAL_G0_0; + float yoff = (local_swbox_y1 + local_swbox_y2) / 2 - 0.005 * 16 - 0.075; + x = local_swbox_x1; + y = yoff + 0.005 * idx + 0.05 * (idx / 8); + return true; + } + + if (id >= TILE_WIRE_LUTFF_0_IN_0 && id <= TILE_WIRE_LUTFF_7_IN_3) { + int idx = id - TILE_WIRE_LUTFF_0_IN_0; + int z = idx / 4; + int input = idx % 4; + x = local_swbox_x2; + y = (logic_cell_y1 + logic_cell_y2) / 2 - 0.0075 + (0.005 * input) + z * logic_cell_pitch; + return true; + } + + return false; +} + +void pipGfx(std::vector<GraphicElement> &g, int x, int y, + float x1, float y1, float x2, float y2, + float swx1, float swy1, float swx2, float swy2, + GraphicElement::style_t style) +{ + float tx = 0.5 * (x1 + x2); + float ty = 0.5 * (y1 + y2); + + GraphicElement el; + el.type = GraphicElement::G_LINE; + el.style = style; + + if (fabsf(x1 - swx1) < 0.001 && fabsf(x2 - swx1) < 0.001) { + tx = x1 + 0.25 * fabsf(y1 - y2); + goto edge_pip; + } + + if (fabsf(x1 - swx2) < 0.001 && fabsf(x2 - swx2) < 0.001) { + tx = x1 - 0.25 * fabsf(y1 - y2); + goto edge_pip; + } + + if (fabsf(y1 - swy1) < 0.001 && fabsf(y2 - swy1) < 0.001) { + ty = y1 + 0.25 * fabsf(x1 - x2); + goto edge_pip; + } + + if (fabsf(y1 - swy1) < 0.001 && fabsf(y2 - swy1) < 0.001) { + ty = y1 + 0.25 * fabsf(x1 - x2); + goto edge_pip; + } + + el.x1 = x + x1; + el.y1 = y + y1; + el.x2 = x + x2; + el.y2 = y + y2; + g.push_back(el); + return; + +edge_pip: + el.x1 = x + x1; + el.y1 = y + y1; + el.x2 = x + tx; + el.y2 = y + ty; + g.push_back(el); + + el.x1 = x + tx; + el.y1 = y + ty; + el.x2 = x + x2; + el.y2 = y + y2; + g.push_back(el); +} + +void gfxTilePip(std::vector<GraphicElement> &g, int x, int y, GfxTileWireId src, GfxTileWireId dst, GraphicElement::style_t style) +{ + float x1, y1, x2, y2; + + if (getWireXY_main(src, x1, y1) && getWireXY_main(dst, x2, y2)) + pipGfx(g, x, y, x1, y1, x2, y2, main_swbox_x1, main_swbox_y1, main_swbox_x2, main_swbox_y2, style); + + if (getWireXY_local(src, x1, y1) && getWireXY_local(dst, x2, y2)) + pipGfx(g, x, y, x1, y1, x2, y2, local_swbox_x1, local_swbox_y1, local_swbox_x2, local_swbox_y2, style); +} + NEXTPNR_NAMESPACE_END |