mirror of https://github.com/KLayout/klayout.git
Translate 2.5d view to GLGS 1.2 and skipping the goemetry shader for (hopefully) compatibility with OpenGL 3.0
This commit is contained in:
Matthias Koefferlein
parent
43066284d5
commit
70bf4b4a20
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@ -570,6 +570,7 @@ void
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D25ViewWidget::open_display (const tl::color_t *frame_color, const tl::color_t *fill_color, const db::LayerProperties *like, const std::string *name)
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{
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m_vertex_chunks.push_back (triangle_chunks_type ());
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m_normals_chunks.push_back (triangle_chunks_type ());
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m_line_chunks.push_back (line_chunks_type ());
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LayerInfo info;
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@ -586,6 +587,7 @@ D25ViewWidget::open_display (const tl::color_t *frame_color, const tl::color_t *
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}
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info.vertex_chunk = &m_vertex_chunks.back ();
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info.normals_chunk = &m_normals_chunks.back ();
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info.line_chunk = &m_line_chunks.back ();
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if (like && mp_view) {
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@ -669,7 +671,7 @@ D25ViewWidget::entry (const db::Region &data, double dbu, double zstart, double
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enter (iter, zstart, zstop);
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tl::AbsoluteProgress progress (tl::to_string (tr ("Rendering ...")));
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render_region (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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render_region (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().normals_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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}
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void
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@ -685,7 +687,7 @@ D25ViewWidget::entry (const db::Edges &data, double dbu, double zstart, double z
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enter (iter, zstart, zstop);
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tl::AbsoluteProgress progress (tl::to_string (tr ("Rendering ...")));
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render_edges (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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render_edges (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().normals_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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}
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void
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@ -701,7 +703,7 @@ D25ViewWidget::entry (const db::EdgePairs &data, double dbu, double zstart, doub
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enter (iter, zstart, zstop);
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tl::AbsoluteProgress progress (tl::to_string (tr ("Rendering ...")));
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render_edge_pairs (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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render_edge_pairs (progress, *m_layers.back ().vertex_chunk, *m_layers.back ().normals_chunk, *m_layers.back ().line_chunk, data, dbu, db::CplxTrans (dbu).inverted () * m_bbox, zstart, zstop);
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}
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void
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@ -717,7 +719,7 @@ D25ViewWidget::attach_view (LayoutViewBase *view)
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}
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void
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D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Polygon &poly, double dbu, double zstart, double zstop)
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D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Polygon &poly, double dbu, double zstart, double zstop)
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{
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if (poly.holes () > 0) {
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@ -733,7 +735,7 @@ D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25V
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ep.process (out, op);
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for (std::vector<db::Polygon>::const_iterator p = poly_heap.begin (); p != poly_heap.end (); ++p) {
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render_polygon (chunks, line_chunks, *p, dbu, zstart, zstop);
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render_polygon (chunks, normals, line_chunks, *p, dbu, zstart, zstop);
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}
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} else if (poly.hull ().size () > 4) {
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@ -742,7 +744,7 @@ D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25V
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db::split_polygon (poly, poly_heap);
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for (std::vector<db::Polygon>::const_iterator p = poly_heap.begin (); p != poly_heap.end (); ++p) {
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render_polygon (chunks, line_chunks, *p, dbu, zstart, zstop);
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render_polygon (chunks, normals, line_chunks, *p, dbu, zstart, zstop);
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}
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} else if (poly.hull ().size () >= 3) {
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@ -751,16 +753,25 @@ D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25V
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std::copy (poly.hull ().begin (), poly.hull ().end (), &pts [0]);
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// triangle bottom
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chunks.add (pts[0].x () * dbu, zstart, pts[0].y () * dbu);
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chunks.add (pts[2].x () * dbu, zstart, pts[2].y () * dbu);
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chunks.add (pts[1].x () * dbu, zstart, pts[1].y () * dbu);
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// normals
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for (unsigned int i = 0; i < 3; ++i) {
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normals.add (0.0, 1.0, 0.0);
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}
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// triangle top
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chunks.add (pts[0].x () * dbu, zstop, pts[0].y () * dbu);
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chunks.add (pts[1].x () * dbu, zstop, pts[1].y () * dbu);
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chunks.add (pts[2].x () * dbu, zstop, pts[2].y () * dbu);
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// normals
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for (unsigned int i = 0; i < 3; ++i) {
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normals.add (0.0, -1.0, 0.0);
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}
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if (poly.hull ().size () == 4) {
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// triangle bottom
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@ -768,19 +779,35 @@ D25ViewWidget::render_polygon (D25ViewWidget::triangle_chunks_type &chunks, D25V
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chunks.add (pts[3].x () * dbu, zstart, pts[3].y () * dbu);
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chunks.add (pts[2].x () * dbu, zstart, pts[2].y () * dbu);
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// normals
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for (unsigned int i = 0; i < 3; ++i) {
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normals.add (0.0, 1.0, 0.0);
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}
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// triangle top
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chunks.add (pts[0].x () * dbu, zstop, pts[0].y () * dbu);
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chunks.add (pts[2].x () * dbu, zstop, pts[2].y () * dbu);
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chunks.add (pts[3].x () * dbu, zstop, pts[3].y () * dbu);
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// normals
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for (unsigned int i = 0; i < 3; ++i) {
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normals.add (0.0, -1.0, 0.0);
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}
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}
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}
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}
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void
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D25ViewWidget::render_wall (D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Edge &edge, double dbu, double zstart, double zstop)
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D25ViewWidget::render_wall (D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Edge &edge, double dbu, double zstart, double zstop)
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{
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if (edge.is_degenerate ()) {
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return;
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}
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// TODO: can we avoid some duplication through indexing?
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chunks.add (edge.p1 ().x () * dbu, zstart, edge.p1 ().y () * dbu);
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chunks.add (edge.p2 ().x () * dbu, zstop, edge.p2 ().y () * dbu);
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chunks.add (edge.p1 ().x () * dbu, zstop, edge.p1 ().y () * dbu);
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@ -788,6 +815,12 @@ D25ViewWidget::render_wall (D25ViewWidget::triangle_chunks_type &chunks, D25View
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chunks.add (edge.p2 ().x () * dbu, zstart, edge.p2 ().y () * dbu);
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chunks.add (edge.p2 ().x () * dbu, zstop, edge.p2 ().y () * dbu);
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db::DVector n (dbu * edge.dy (), -dbu * edge.dx ());
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n *= 1.0 / n.double_length ();
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for (unsigned int i = 0; i < 6; ++i) {
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normals.add (n.x (), 0.0, n.y ());
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}
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line_chunks.add (edge.p1 ().x () * dbu, zstart, edge.p1 ().y () * dbu);
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line_chunks.add (edge.p2 ().x () * dbu, zstart, edge.p2 ().y () * dbu);
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line_chunks.add (edge.p2 ().x () * dbu, zstart, edge.p2 ().y () * dbu);
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@ -797,7 +830,7 @@ D25ViewWidget::render_wall (D25ViewWidget::triangle_chunks_type &chunks, D25View
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}
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void
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D25ViewWidget::render_region (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Region ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop)
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D25ViewWidget::render_region (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Region ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop)
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{
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std::vector<db::Polygon> poly_heap;
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@ -810,10 +843,10 @@ D25ViewWidget::render_region (tl::AbsoluteProgress &progress, D25ViewWidget::tri
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++progress;
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render_polygon (chunks, line_chunks, *p, dbu, zstart, zstop);
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render_polygon (chunks, normals, line_chunks, *p, dbu, zstart, zstop);
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for (db::Polygon::polygon_edge_iterator e = p->begin_edge (); ! e.at_end (); ++e) {
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render_wall (chunks, line_chunks, *e, dbu, zstart, zstop);
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render_wall (chunks, normals, line_chunks, *e, dbu, zstart, zstop);
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}
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}
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@ -822,7 +855,7 @@ D25ViewWidget::render_region (tl::AbsoluteProgress &progress, D25ViewWidget::tri
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}
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void
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D25ViewWidget::render_edges (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Edges &edges, double dbu, const db::Box &clip_box, double zstart, double zstop)
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D25ViewWidget::render_edges (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &normals, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Edges &edges, double dbu, const db::Box &clip_box, double zstart, double zstop)
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{
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for (db::Edges::const_iterator e = edges.begin (); !e.at_end (); ++e) {
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@ -830,14 +863,14 @@ D25ViewWidget::render_edges (tl::AbsoluteProgress &progress, D25ViewWidget::tria
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std::pair<bool, db::Edge> ec = e->clipped (clip_box);
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if (ec.first) {
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render_wall (chunks, line_chunks, ec.second, dbu, zstart, zstop);
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render_wall (chunks, normals, line_chunks, ec.second, dbu, zstart, zstop);
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}
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}
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}
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void
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D25ViewWidget::render_edge_pairs (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::EdgePairs &edge_pairs, double dbu, const db::Box &clip_box, double zstart, double zstop)
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D25ViewWidget::render_edge_pairs (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &normals, D25ViewWidget::triangle_chunks_type &chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::EdgePairs &edge_pairs, double dbu, const db::Box &clip_box, double zstart, double zstop)
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{
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for (db::EdgePairs::const_iterator e = edge_pairs.begin (); !e.at_end (); ++e) {
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@ -847,12 +880,12 @@ D25ViewWidget::render_edge_pairs (tl::AbsoluteProgress &progress, D25ViewWidget:
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ec = e->first ().clipped (clip_box);
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if (ec.first) {
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render_wall (chunks, line_chunks, ec.second, dbu, zstart, zstop);
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render_wall (chunks, normals, line_chunks, ec.second, dbu, zstart, zstop);
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}
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ec = e->second ().clipped (clip_box);
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if (ec.first) {
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render_wall (chunks, line_chunks, ec.second, dbu, zstart, zstop);
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render_wall (chunks, normals, line_chunks, ec.second, dbu, zstart, zstop);
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}
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}
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@ -923,49 +956,27 @@ D25ViewWidget::do_initialize_gl ()
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glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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static const char *shapes_vertex_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
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"in vec4 posAttr;\n"
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"\n"
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"void main() {\n"
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" gl_Position = posAttr;\n"
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"}\n";
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static const char *shapes_geometry_shader_source =
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"#version 150\n"
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"\n"
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"uniform vec4 color;\n"
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"uniform vec4 ambient;\n"
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"uniform vec3 illum;\n"
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"out lowp vec4 vertexColor;\n"
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"attribute vec4 posAttr;\n"
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"attribute vec4 normalsAttr;\n"
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"uniform mat4 matrix;\n"
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"layout (triangles) in;\n"
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"layout (triangle_strip, max_vertices = 3) out;\n"
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"uniform vec3 illum;\n"
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"varying float dp;\n"
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"\n"
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"void main() {\n"
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" vec4 p0 = gl_in[0].gl_Position;\n"
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" vec4 p1 = gl_in[1].gl_Position;\n"
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" vec4 p2 = gl_in[2].gl_Position;\n"
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" vec3 n = cross(p2.xyz - p0.xyz, p1.xyz - p0.xyz);\n"
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" float dp = dot(normalize(n), illum);\n"
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" vertexColor = color * (dp * 0.5 + 0.5) - (min(0.0, dp) * ambient);\n"
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" vertexColor.a = 1.0;\n"
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" gl_Position = matrix * p0;\n"
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" EmitVertex();\n"
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" gl_Position = matrix * p1;\n"
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" EmitVertex();\n"
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" gl_Position = matrix * p2;\n"
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" EmitVertex();\n"
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" EndPrimitive();\n"
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" gl_Position = matrix * posAttr;\n"
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" dp = dot(normalsAttr.xyz, illum);\n"
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"}\n";
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static const char *shapes_fragment_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
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"in lowp vec4 vertexColor;\n"
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"out lowp vec4 fragColor;\n"
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"in float dp;\n"
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"uniform highp float mist_factor;\n"
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"uniform highp float mist_add;\n"
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"uniform vec4 color;\n"
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"uniform vec4 ambient;\n"
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"\n"
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"lowp vec4 color_by_z(lowp vec4 c, highp float z) {\n"
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" highp float mist_rgb = c.g * mist_factor + mist_add;\n"
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@ -982,16 +993,15 @@ D25ViewWidget::do_initialize_gl ()
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"};\n"
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"\n"
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"void main() {\n"
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" fragColor = color_by_z(vertexColor, gl_FragCoord.w);\n"
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" lowp vec4 vertex_color = color * (dp * 0.5 + 0.5) - (min(0.0, dp) * ambient);\n"
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" vertex_color.a = 1.0;\n"
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" gl_FragColor = color_by_z(vertex_color, gl_FragCoord.w);\n"
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"}\n";
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m_shapes_program = new QOpenGLShaderProgram (this);
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if (! m_shapes_program->addShaderFromSourceCode (QOpenGLShader::Vertex, shapes_vertex_shader_source)) {
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throw tl::Exception (std::string ("Shapes vertex shader compilation failed:\n") + tl::to_string (m_shapes_program->log ()));
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}
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if (! m_shapes_program->addShaderFromSourceCode (QOpenGLShader::Geometry, shapes_geometry_shader_source)) {
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throw tl::Exception (std::string ("Shapes geometry shader compilation failed:\n") + tl::to_string (m_shapes_program->log ()));
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}
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if (! m_shapes_program->addShaderFromSourceCode (QOpenGLShader::Fragment, shapes_fragment_shader_source)) {
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throw tl::Exception (std::string ("Shapes fragment shader compilation failed:\n") + tl::to_string (m_shapes_program->log ()));
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}
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@ -1000,9 +1010,9 @@ D25ViewWidget::do_initialize_gl ()
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}
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static const char *lines_vertex_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
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"in vec4 posAttr;\n"
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"attribute vec4 posAttr;\n"
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"uniform mat4 matrix;\n"
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"\n"
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"void main() {\n"
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@ -1010,10 +1020,9 @@ D25ViewWidget::do_initialize_gl ()
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"}\n";
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static const char *lines_fragment_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
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"uniform lowp vec4 color;\n"
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"out lowp vec4 fragColor;\n"
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"uniform highp float mist_factor;\n"
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"uniform highp float mist_add;\n"
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"\n"
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@ -1032,7 +1041,7 @@ D25ViewWidget::do_initialize_gl ()
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"};\n"
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"\n"
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"void main() {\n"
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" fragColor = color_by_z(color, gl_FragCoord.w);\n"
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" gl_FragColor = color_by_z(color, gl_FragCoord.w);\n"
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"}\n";
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m_lines_program = new QOpenGLShaderProgram (this);
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@ -1049,9 +1058,9 @@ D25ViewWidget::do_initialize_gl ()
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// grid plane shader source
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static const char *gridplan_vertex_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
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"in vec4 posAttr;\n"
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"attribute vec4 posAttr;\n"
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"uniform mat4 matrix;\n"
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"\n"
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"void main() {\n"
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@ -1059,12 +1068,11 @@ D25ViewWidget::do_initialize_gl ()
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"}\n";
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static const char *gridplan_fragment_shader_source =
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"#version 150\n"
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"#version 120\n"
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"\n"
|
||||
"uniform lowp vec4 color;\n"
|
||||
"out lowp vec4 fragColor;\n"
|
||||
"void main() {\n"
|
||||
" fragColor = color;\n"
|
||||
" gl_FragColor = color;\n"
|
||||
"}\n";
|
||||
|
||||
m_gridplane_program = new QOpenGLShaderProgram (this);
|
||||
|
|
@ -1102,6 +1110,7 @@ D25ViewWidget::paintGL ()
|
|||
}
|
||||
|
||||
int positions = m_shapes_program->attributeLocation ("posAttr");
|
||||
int normals = m_shapes_program->attributeLocation ("normalsAttr");
|
||||
|
||||
QMatrix4x4 scene_trans, scene_trans_wo_y;
|
||||
|
||||
|
|
@ -1129,11 +1138,26 @@ D25ViewWidget::paintGL ()
|
|||
|
||||
glEnable (GL_DEPTH_TEST);
|
||||
glEnableVertexAttribArray (positions);
|
||||
glEnableVertexAttribArray (normals);
|
||||
|
||||
for (std::vector<LayerInfo>::const_iterator l = m_layers.begin (); l != m_layers.end (); ++l) {
|
||||
|
||||
if (l->visible && l->fill_color [3] > 0.5) {
|
||||
|
||||
m_shapes_program->setUniformValue ("color", l->fill_color [0], l->fill_color [1], l->fill_color [2], l->fill_color [3]);
|
||||
l->vertex_chunk->draw_to (this, positions, GL_TRIANGLES);
|
||||
|
||||
triangle_chunks_type::iterator v = l->vertex_chunk->begin ();
|
||||
triangle_chunks_type::iterator n = l->normals_chunk->begin ();
|
||||
|
||||
while (v != l->vertex_chunk->end () && n != l->vertex_chunk->end ()) {
|
||||
tl_assert (v->size () == n->size ());
|
||||
glVertexAttribPointer (positions, 3, gl_type2enum<GLfloat> () (), GL_FALSE, 0, v->front ());
|
||||
glVertexAttribPointer (normals, 3, gl_type2enum<GLfloat> () (), GL_FALSE, 0, n->front ());
|
||||
glDrawArrays (GL_TRIANGLES, 0, GLsizei (v->size () / 3));
|
||||
++v;
|
||||
++n;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -88,6 +88,7 @@ public:
|
|||
struct LayerInfo
|
||||
{
|
||||
triangle_chunks_type *vertex_chunk;
|
||||
triangle_chunks_type *normals_chunk;
|
||||
line_chunks_type *line_chunk;
|
||||
GLfloat fill_color [4];
|
||||
GLfloat frame_color [4];
|
||||
|
|
@ -194,6 +195,7 @@ private:
|
|||
bool m_display_open;
|
||||
|
||||
std::list<triangle_chunks_type> m_vertex_chunks;
|
||||
std::list<triangle_chunks_type> m_normals_chunks;
|
||||
std::list<line_chunks_type> m_line_chunks;
|
||||
|
||||
std::vector<LayerInfo> m_layers;
|
||||
|
|
@ -203,11 +205,11 @@ private:
|
|||
void resizeGL (int w, int h);
|
||||
|
||||
void do_initialize_gl ();
|
||||
void render_region (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Region ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_edges (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Edges ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_edge_pairs (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::EdgePairs ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_polygon (D25ViewWidget::triangle_chunks_type &vertex_chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Polygon &poly, double dbu, double zstart, double zstop);
|
||||
void render_wall (D25ViewWidget::triangle_chunks_type &vertex_chunks, D25ViewWidget::line_chunks_type &line_chunks, const db::Edge &poly, double dbu, double zstart, double zstop);
|
||||
void render_region (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Region ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_edges (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Edges ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_edge_pairs (tl::AbsoluteProgress &progress, D25ViewWidget::triangle_chunks_type &vertex_chunks, triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::EdgePairs ®ion, double dbu, const db::Box &clip_box, double zstart, double zstop);
|
||||
void render_polygon (D25ViewWidget::triangle_chunks_type &vertex_chunks, triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Polygon &poly, double dbu, double zstart, double zstop);
|
||||
void render_wall (D25ViewWidget::triangle_chunks_type &vertex_chunks, triangle_chunks_type &normals, D25ViewWidget::line_chunks_type &line_chunks, const db::Edge &poly, double dbu, double zstart, double zstop);
|
||||
void reset_viewport ();
|
||||
void enter (const db::RecursiveShapeIterator *iter, double zstart, double zstop);
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue