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Tech ENABLE_GLINDEXEDVERTEXARRAY_REMOVAL - Replace GLIndexedVertexArray with GLModel: MeshClipper::m_vertex_array
(cherry picked from commit prusa3d/PrusaSlicer@be6922795d)
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parent
fc1c8c2565
commit
8107057e17
5 changed files with 47 additions and 27 deletions
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@ -6,6 +6,7 @@
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#include "libslic3r/ClipperUtils.hpp"
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#include "libslic3r/Model.hpp"
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#include "slic3r/GUI/GUI_App.hpp"
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#include "slic3r/GUI/Camera.hpp"
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#include <GL/glew.h>
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@ -67,13 +68,25 @@ void MeshClipper::set_transformation(const Geometry::Transformation& trafo)
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void MeshClipper::render_cut()
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void MeshClipper::render_cut(const ColorRGBA& color)
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{
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if (! m_triangles_valid)
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recalculate_triangles();
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if (m_vertex_array.has_VBOs())
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m_vertex_array.render();
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GLShaderProgram* curr_shader = wxGetApp().get_current_shader();
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if (curr_shader != nullptr)
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curr_shader->stop_using();
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GLShaderProgram* shader = wxGetApp().get_shader("flat");
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if (shader != nullptr) {
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shader->start_using();
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m_model.set_color(color);
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m_model.render();
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shader->stop_using();
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}
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if (curr_shader != nullptr)
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curr_shader->start_using();
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}
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bool MeshClipper::is_projection_inside_cut(const Vec3d &point_in) const
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@ -189,15 +202,28 @@ void MeshClipper::recalculate_triangles()
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tr.pretranslate(0.001 * m_plane.get_normal().normalized()); // to avoid z-fighting
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m_vertex_array.release_geometry();
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for (auto it=m_triangles2d.cbegin(); it != m_triangles2d.cend(); it=it+3) {
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m_vertex_array.push_geometry(tr * Vec3d((*(it+0))(0), (*(it+0))(1), height_mesh), up);
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m_vertex_array.push_geometry(tr * Vec3d((*(it+1))(0), (*(it+1))(1), height_mesh), up);
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m_vertex_array.push_geometry(tr * Vec3d((*(it+2))(0), (*(it+2))(1), height_mesh), up);
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m_model.reset();
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GLModel::Geometry init_data;
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const GLModel::Geometry::EIndexType index_type = (m_triangles2d.size() < 65536) ? GLModel::Geometry::EIndexType::USHORT : GLModel::Geometry::EIndexType::UINT;
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init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3N3, index_type };
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init_data.reserve_vertices(m_triangles2d.size());
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init_data.reserve_indices(m_triangles2d.size());
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// vertices + indices
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for (auto it = m_triangles2d.cbegin(); it != m_triangles2d.cend(); it = it + 3) {
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init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 0)).x(), (*(it + 0)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
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init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 1)).x(), (*(it + 1)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
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init_data.add_vertex((Vec3f)(tr * Vec3d((*(it + 2)).x(), (*(it + 2)).y(), height_mesh)).cast<float>(), (Vec3f)up.cast<float>());
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const size_t idx = it - m_triangles2d.cbegin();
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m_vertex_array.push_triangle(idx, idx+1, idx+2);
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if (index_type == GLModel::Geometry::EIndexType::USHORT)
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init_data.add_ushort_triangle((unsigned short)idx, (unsigned short)idx + 1, (unsigned short)idx + 2);
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else
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init_data.add_uint_triangle((unsigned int)idx, (unsigned int)idx + 1, (unsigned int)idx + 2);
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}
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m_vertex_array.finalize_geometry(true);
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if (!init_data.is_empty())
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m_model.init_from(std::move(init_data));
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m_triangles_valid = true;
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}
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