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SLA slices preview - improved performances

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This commit is contained in:
Enrico Turri 2018-11-29 11:11:39 +01:00
parent 7913060869
commit ef1d43c711
2 changed files with 107 additions and 100 deletions
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193
src/slic3r/GUI/GLCanvas3D.cpp
View file

@ -5940,7 +5940,6 @@ void GLCanvas3D::_render_sla_slices() const
{
if (obj->is_step_done(slaposIndexSlices))
{
const SLAPrintObject::SliceIndex& index = obj->get_slice_index();
const std::vector<ExPolygons>& model_slices = obj->get_model_slices();
const std::vector<ExPolygons>& support_slices = obj->get_support_slices();
const std::vector<SLAPrintObject::Instance>& instances = obj->instances();
@ -5960,142 +5959,136 @@ void GLCanvas3D::_render_sla_slices() const
double min_z = clip_min_z - shift_z;
double max_z = clip_max_z - shift_z;
SLAPrintObject::SliceIndex::const_iterator it_min_z = std::find_if(index.begin(), index.end(), [min_z](const SLAPrintObject::SliceIndex::value_type& id) -> bool { return std::abs(min_z - id.first) < EPSILON; });
SLAPrintObject::SliceIndex::const_iterator it_max_z = std::find_if(index.begin(), index.end(), [max_z](const SLAPrintObject::SliceIndex::value_type& id) -> bool { return std::abs(max_z - id.first) < EPSILON; });
::glColor3f(1.0f, 0.37f, 0.0f);
Pointf3s bottom_triangles;
Pointf3s top_triangles;
if (it_min_z != index.end())
if (m_sla_caps[0].matches(min_z))
bottom_triangles = m_sla_caps[0].triangles;
if (m_sla_caps[1].matches(max_z))
top_triangles = m_sla_caps[1].triangles;
if (bottom_triangles.empty() || top_triangles.empty())
{
// render model bottom slices
if (it_min_z->second.model_slices_idx < model_slices.size())
const SLAPrintObject::SliceIndex& index = obj->get_slice_index();
SLAPrintObject::SliceIndex::const_iterator it_min_z = std::find_if(index.begin(), index.end(), [min_z](const SLAPrintObject::SliceIndex::value_type& id) -> bool { return std::abs(min_z - id.first) < EPSILON; });
SLAPrintObject::SliceIndex::const_iterator it_max_z = std::find_if(index.begin(), index.end(), [max_z](const SLAPrintObject::SliceIndex::value_type& id) -> bool { return std::abs(max_z - id.first) < EPSILON; });
if (bottom_triangles.empty() && (it_min_z != index.end()))
{
const ExPolygons& polys = model_slices[it_min_z->second.model_slices_idx];
for (const ExPolygon& poly : polys)
// calculate model bottom cap
if (it_min_z->second.model_slices_idx < model_slices.size())
{
Polygons triangles;
poly.triangulate(&triangles);
if (!triangles.empty())
const ExPolygons& polys = model_slices[it_min_z->second.model_slices_idx];
for (const ExPolygon& poly : polys)
{
for (unsigned int i = 0; i < (unsigned int)instances.size(); ++i)
Polygons triangles;
poly.triangulate(&triangles);
for (const Polygon& t : triangles)
{
::glPushMatrix();
::glTranslated(instance_transforms[i].offset(0), instance_transforms[i].offset(1), instance_transforms[i].offset(2));
::glRotatef(instance_transforms[i].rotation, 0.0, 0.0, 1.0);
::glBegin(GL_TRIANGLES);
::glNormal3f(0.0f, 0.0f, -1.0f);
for (const Polygon& p : triangles)
for (int v = 2; v >= 0; --v)
{
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[2]), min_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[1]), min_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[0]), min_z).data());
bottom_triangles.emplace_back(to_3d(unscale(t.points[v]), min_z));
}
::glEnd();
::glPopMatrix();
}
}
}
// calculate support bottom cap
if (it_min_z->second.support_slices_idx < support_slices.size())
{
const ExPolygons& polys = support_slices[it_min_z->second.support_slices_idx];
for (const ExPolygon& poly : polys)
{
Polygons triangles;
poly.triangulate(&triangles);
for (const Polygon& t : triangles)
{
for (int v = 2; v >= 0; --v)
{
bottom_triangles.emplace_back(to_3d(unscale(t.points[v]), min_z));
}
}
}
}
m_sla_caps[0].z = min_z;
m_sla_caps[0].triangles = bottom_triangles;
}
// render support bottom slices
if (it_min_z->second.support_slices_idx < support_slices.size())
if (top_triangles.empty() && (it_max_z != index.end()))
{
const ExPolygons& polys = support_slices[it_min_z->second.support_slices_idx];
for (const ExPolygon& poly : polys)
// calculate model top cap
if (it_max_z->second.model_slices_idx < model_slices.size())
{
Polygons triangles;
poly.triangulate(&triangles);
if (!triangles.empty())
const ExPolygons& polys = model_slices[it_max_z->second.model_slices_idx];
for (const ExPolygon& poly : polys)
{
for (unsigned int i = 0; i < (unsigned int)instances.size(); ++i)
Polygons triangles;
poly.triangulate(&triangles);
for (const Polygon& t : triangles)
{
::glPushMatrix();
::glTranslated(instance_transforms[i].offset(0), instance_transforms[i].offset(1), instance_transforms[i].offset(2));
::glRotatef(instance_transforms[i].rotation, 0.0, 0.0, 1.0);
::glBegin(GL_TRIANGLES);
::glNormal3f(0.0f, 0.0f, -1.0f);
for (const Polygon& p : triangles)
for (int v = 0; v < 3; ++v)
{
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[2]), min_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[1]), min_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[0]), min_z).data());
top_triangles.emplace_back(to_3d(unscale(t.points[v]), max_z));
}
::glEnd();
::glPopMatrix();
}
}
}
// calculate support top cap
if (it_max_z->second.support_slices_idx < support_slices.size())
{
const ExPolygons& polys = support_slices[it_max_z->second.support_slices_idx];
for (const ExPolygon& poly : polys)
{
Polygons triangles;
poly.triangulate(&triangles);
for (const Polygon& t : triangles)
{
for (int v = 0; v < 3; ++v)
{
top_triangles.emplace_back(to_3d(unscale(t.points[v]), max_z));
}
}
}
}
m_sla_caps[1].z = max_z;
m_sla_caps[1].triangles = top_triangles;
}
}
if (it_max_z != index.end())
if (!bottom_triangles.empty() || !top_triangles.empty())
{
// render model top slices
if (it_max_z->second.model_slices_idx < model_slices.size())
::glColor3f(1.0f, 0.37f, 0.0f);
for (const InstanceTransform& inst : instance_transforms)
{
const ExPolygons& polys = model_slices[it_max_z->second.model_slices_idx];
for (const ExPolygon& poly : polys)
::glPushMatrix();
::glTranslated(inst.offset(0), inst.offset(1), inst.offset(2));
::glRotatef(inst.rotation, 0.0, 0.0, 1.0);
::glBegin(GL_TRIANGLES);
if (!bottom_triangles.empty())
{
Polygons triangles;
poly.triangulate(&triangles);
if (!triangles.empty())
for (const Vec3d& v : bottom_triangles)
{
for (unsigned int i = 0; i < (unsigned int)instances.size(); ++i)
{
::glPushMatrix();
::glTranslated(instance_transforms[i].offset(0), instance_transforms[i].offset(1), instance_transforms[i].offset(2));
::glRotatef(instance_transforms[i].rotation, 0.0, 0.0, 1.0);
::glBegin(GL_TRIANGLES);
::glNormal3f(0.0f, 0.0f, 1.0f);
for (const Polygon& p : triangles)
{
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[0]), max_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[1]), max_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[2]), max_z).data());
}
::glEnd();
::glPopMatrix();
}
::glVertex3dv((GLdouble*)v.data());
}
}
}
// render support top slices
if (it_max_z->second.support_slices_idx < support_slices.size())
{
const ExPolygons& polys = support_slices[it_max_z->second.support_slices_idx];
for (const ExPolygon& poly : polys)
if (!top_triangles.empty())
{
Polygons triangles;
poly.triangulate(&triangles);
if (!triangles.empty())
for (const Vec3d& v : top_triangles)
{
for (unsigned int i = 0; i < (unsigned int)instances.size(); ++i)
{
::glPushMatrix();
::glTranslated(instance_transforms[i].offset(0), instance_transforms[i].offset(1), instance_transforms[i].offset(2));
::glRotatef(instance_transforms[i].rotation, 0.0, 0.0, 1.0);
::glBegin(GL_TRIANGLES);
::glNormal3f(0.0f, 0.0f, 1.0f);
for (const Polygon& p : triangles)
{
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[0]), max_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[1]), max_z).data());
::glVertex3dv((GLdouble*)to_3d(unscale(p.points[2]), max_z).data());
}
::glEnd();
::glPopMatrix();
}
::glVertex3dv((GLdouble*)v.data());
}
}
::glEnd();
::glPopMatrix();
}
}
}

14
src/slic3r/GUI/GLCanvas3D.hpp
View file

@ -677,6 +677,16 @@ private:
GLGizmoBase* _get_current() const;
};
struct SlaCap
{
double z;
Pointf3s triangles;
SlaCap() { reset(); }
void reset() { z = DBL_MAX; triangles.clear(); }
bool matches(double z) const { return this->z == z; }
};
class WarningTexture : public GUI::GLTexture
{
static const unsigned char Background_Color[3];
@ -731,6 +741,7 @@ private:
mutable GLToolbar m_toolbar;
ClippingPlane m_clipping_planes[2];
bool m_use_clipping_planes;
mutable SlaCap m_sla_caps[2];
mutable GLVolumeCollection m_volumes;
Selection m_selection;
@ -809,7 +820,10 @@ public:
void set_clipping_plane(unsigned int id, const ClippingPlane& plane)
{
if (id < 2)
{
m_clipping_planes[id] = plane;
m_sla_caps[id].reset();
}
}
void set_use_clipping_planes(bool use) { m_use_clipping_planes = use; }