Split generation of vertex and index buffers for toolpaths to reduce peak of memory used

This commit is contained in:
enricoturri1966 2020-09-18 12:15:38 +02:00
parent 7e756b20e6
commit 5432784ed4

View File

@ -237,7 +237,7 @@ void GCodeViewer::SequentialView::Marker::render() const
ImGui::PopStyleVar();
}
const std::vector<GCodeViewer::Color> GCodeViewer::Extrusion_Role_Colors{ {
const std::vector<GCodeViewer::Color> GCodeViewer::Extrusion_Role_Colors {{
{ 0.75f, 0.75f, 0.75f }, // erNone
{ 1.00f, 0.90f, 0.30f }, // erPerimeter
{ 1.00f, 0.49f, 0.22f }, // erExternalPerimeter
@ -254,7 +254,7 @@ const std::vector<GCodeViewer::Color> GCodeViewer::Extrusion_Role_Colors{ {
{ 0.70f, 0.89f, 0.67f }, // erWipeTower
{ 0.37f, 0.82f, 0.58f }, // erCustom
{ 0.00f, 0.00f, 0.00f } // erMixed
} };
}};
const std::vector<GCodeViewer::Color> GCodeViewer::Options_Colors {{
{ 0.803f, 0.135f, 0.839f }, // Retractions
@ -287,10 +287,7 @@ const std::vector<GCodeViewer::Color> GCodeViewer::Range_Colors {{
bool GCodeViewer::init()
{
bool is_glsl_120 = wxGetApp().is_glsl_version_greater_or_equal_to(1, 20);
for (size_t i = 0; i < m_buffers.size(); ++i)
{
for (size_t i = 0; i < m_buffers.size(); ++i) {
TBuffer& buffer = m_buffers[i];
switch (buffer_type(i))
{
@ -304,7 +301,7 @@ bool GCodeViewer::init()
{
buffer.render_primitive_type = TBuffer::ERenderPrimitiveType::Point;
buffer.vertices.format = VBuffer::EFormat::Position;
buffer.shader = is_glsl_120 ? "options_120" : "options_110";
buffer.shader = wxGetApp().is_glsl_version_greater_or_equal_to(1, 20) ? "options_120" : "options_110";
break;
}
case EMoveType::Extrude:
@ -882,61 +879,78 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
m_max_bounding_box = m_paths_bounding_box;
m_max_bounding_box.merge(m_paths_bounding_box.max + m_sequential_view.marker.get_bounding_box().size()[2] * Vec3d::UnitZ());
// format data into the buffers to be rendered as points
auto add_as_point = [](const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
std::vector<float>& buffer_vertices, unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(curr.position[j]);
auto log_memory_usage = [this](const std::string& label, const std::vector<std::vector<float>>& vertices, const std::vector<MultiIndexBuffer>& indices) {
long long vertices_size = 0;
for (size_t i = 0; i < vertices.size(); ++i) {
vertices_size += SLIC3R_STDVEC_MEMSIZE(vertices[i], float);
}
long long indices_size = 0;
for (size_t i = 0; i < indices.size(); ++i) {
for (size_t j = 0; j < indices[i].size(); ++j) {
indices_size += SLIC3R_STDVEC_MEMSIZE(indices[i][j], unsigned int);
}
buffer.add_path(curr, index_buffer_id, static_cast<size_t>(buffer_indices.size()), static_cast<size_t>(move_id));
}
log_memory_used(label, vertices_size + indices_size);
};
// format data into the buffers to be rendered as points
auto add_vertices_as_point = [](const GCodeProcessor::MoveVertex& curr, std::vector<float>& buffer_vertices) {
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(curr.position[j]);
}
};
auto add_indices_as_point = [](const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
buffer.add_path(curr, index_buffer_id, buffer_indices.size(), move_id);
buffer_indices.push_back(static_cast<unsigned int>(buffer_indices.size()));
};
// format data into the buffers to be rendered as lines
auto add_as_line = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
std::vector<float>& buffer_vertices, unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
auto add_vertices_as_line = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr,
TBuffer& buffer, std::vector<float>& buffer_vertices) {
// x component of the normal to the current segment (the normal is parallel to the XY plane)
float normal_x = (curr.position - prev.position).normalized()[1];
auto add_vertex = [&buffer_vertices, normal_x](const GCodeProcessor::MoveVertex& vertex) {
// add position
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(vertex.position[j]);
}
// add normal x component
buffer_vertices.push_back(normal_x);
};
// add previous vertex
add_vertex(prev);
// add current vertex
add_vertex(curr);
};
auto add_indices_as_line = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
// x component of the normal to the current segment (the normal is parallel to the XY plane)
float normal_x = (curr.position - prev.position).normalized()[1];
if (prev.type != curr.type || !buffer.paths.back().matches(curr)) {
// add starting vertex position
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(prev.position[j]);
}
// add starting vertex normal x component
buffer_vertices.push_back(normal_x);
// add starting index
buffer_indices.push_back(static_cast<unsigned int>(buffer_indices.size()));
buffer.add_path(curr, index_buffer_id, static_cast<size_t>(buffer_indices.size() - 1), static_cast<size_t>(move_id - 1));
buffer.add_path(curr, index_buffer_id, buffer_indices.size() - 1, move_id - 1);
buffer.paths.back().first.position = prev.position;
}
Path& last_path = buffer.paths.back();
if (last_path.first.i_id != last_path.last.i_id) {
// add previous vertex position
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(prev.position[j]);
}
// add previous vertex normal x component
buffer_vertices.push_back(normal_x);
// add previous index
buffer_indices.push_back(static_cast<unsigned int>(buffer_indices.size()));
}
// add current vertex position
for (int j = 0; j < 3; ++j) {
buffer_vertices.push_back(curr.position[j]);
}
// add current vertex normal x component
buffer_vertices.push_back(normal_x);
// add current index
buffer_indices.push_back(static_cast<unsigned int>(buffer_indices.size()));
last_path.last = { index_buffer_id, static_cast<size_t>(buffer_indices.size() - 1), static_cast<size_t>(move_id), curr.position };
last_path.last = { index_buffer_id, buffer_indices.size() - 1, move_id, curr.position };
};
// format data into the buffers to be rendered as solid
auto add_as_solid = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
std::vector<float>& buffer_vertices, unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
auto add_vertices_as_solid = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
std::vector<float>& buffer_vertices, size_t move_id) {
static Vec3f prev_dir;
static Vec3f prev_up;
static float prev_length;
@ -950,11 +964,6 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
buffer_vertices.push_back(normal[j]);
}
};
auto store_triangle = [](IndexBuffer& buffer_indices, unsigned int i1, unsigned int i2, unsigned int i3) {
buffer_indices.push_back(i1);
buffer_indices.push_back(i2);
buffer_indices.push_back(i3);
};
auto extract_position_at = [](const std::vector<float>& vertices, size_t id) {
return Vec3f(vertices[id + 0], vertices[id + 1], vertices[id + 2]);
};
@ -963,13 +972,9 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
vertices[id + 1] = position[1];
vertices[id + 2] = position[2];
};
auto append_dummy_cap = [store_triangle](IndexBuffer& buffer_indices, unsigned int id) {
store_triangle(buffer_indices, id, id, id);
store_triangle(buffer_indices, id, id, id);
};
if (prev.type != curr.type || !buffer.paths.back().matches(curr)) {
buffer.add_path(curr, index_buffer_id, static_cast<size_t>(buffer_indices.size()), static_cast<size_t>(move_id - 1));
buffer.add_path(curr, 0, 0, move_id - 1);
buffer.paths.back().first.position = prev.position;
}
@ -979,7 +984,7 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
Vec3f right = (std::abs(std::abs(dir.dot(Vec3f::UnitZ())) - 1.0f) < EPSILON) ? -Vec3f::UnitY() : Vec3f(dir[1], -dir[0], 0.0f).normalized();
Vec3f left = -right;
Vec3f up = right.cross(dir);
Vec3f bottom = -up;
Vec3f down = -up;
Path& last_path = buffer.paths.back();
@ -996,35 +1001,14 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
// vertices 1st endpoint
store_vertex(buffer_vertices, prev_pos + half_height * up, up);
store_vertex(buffer_vertices, prev_pos + half_width * right, right);
store_vertex(buffer_vertices, prev_pos + half_height * bottom, bottom);
store_vertex(buffer_vertices, prev_pos + half_height * down, down);
store_vertex(buffer_vertices, prev_pos + half_width * left, left);
// vertices 2nd endpoint
store_vertex(buffer_vertices, curr_pos + half_height * up, up);
store_vertex(buffer_vertices, curr_pos + half_width * right, right);
store_vertex(buffer_vertices, curr_pos + half_height * bottom, bottom);
store_vertex(buffer_vertices, curr_pos + half_height * down, down);
store_vertex(buffer_vertices, curr_pos + half_width * left, left);
// triangles starting cap
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 2, starting_vertices_size + 1);
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 3, starting_vertices_size + 2);
// dummy triangles outer corner cap
append_dummy_cap(buffer_indices, starting_vertices_size);
// triangles sides
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 1, starting_vertices_size + 4);
store_triangle(buffer_indices, starting_vertices_size + 1, starting_vertices_size + 5, starting_vertices_size + 4);
store_triangle(buffer_indices, starting_vertices_size + 1, starting_vertices_size + 2, starting_vertices_size + 5);
store_triangle(buffer_indices, starting_vertices_size + 2, starting_vertices_size + 6, starting_vertices_size + 5);
store_triangle(buffer_indices, starting_vertices_size + 2, starting_vertices_size + 3, starting_vertices_size + 6);
store_triangle(buffer_indices, starting_vertices_size + 3, starting_vertices_size + 7, starting_vertices_size + 6);
store_triangle(buffer_indices, starting_vertices_size + 3, starting_vertices_size + 0, starting_vertices_size + 7);
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 4, starting_vertices_size + 7);
// triangles ending cap
store_triangle(buffer_indices, starting_vertices_size + 4, starting_vertices_size + 6, starting_vertices_size + 7);
store_triangle(buffer_indices, starting_vertices_size + 4, starting_vertices_size + 5, starting_vertices_size + 6);
}
else {
// any other segment
@ -1101,8 +1085,105 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
// vertices 2nd endpoint
store_vertex(buffer_vertices, curr_pos + half_height * up, up);
store_vertex(buffer_vertices, curr_pos + half_width * right, right);
store_vertex(buffer_vertices, curr_pos + half_height * bottom, bottom);
store_vertex(buffer_vertices, curr_pos + half_height * down, down);
store_vertex(buffer_vertices, curr_pos + half_width * left, left);
}
last_path.last = { 0, 0, move_id, curr.position };
prev_dir = dir;
prev_up = up;
prev_length = length;
};
auto add_indices_as_solid = [](const GCodeProcessor::MoveVertex& prev, const GCodeProcessor::MoveVertex& curr, TBuffer& buffer,
size_t& buffer_vertices_size, unsigned int index_buffer_id, IndexBuffer& buffer_indices, size_t move_id) {
static Vec3f prev_dir;
static Vec3f prev_up;
static float prev_length;
auto store_triangle = [](IndexBuffer& buffer_indices, unsigned int i1, unsigned int i2, unsigned int i3) {
buffer_indices.push_back(i1);
buffer_indices.push_back(i2);
buffer_indices.push_back(i3);
};
auto append_dummy_cap = [store_triangle](IndexBuffer& buffer_indices, unsigned int id) {
store_triangle(buffer_indices, id, id, id);
store_triangle(buffer_indices, id, id, id);
};
if (prev.type != curr.type || !buffer.paths.back().matches(curr)) {
buffer.add_path(curr, index_buffer_id, buffer_indices.size(), move_id - 1);
buffer.paths.back().first.position = prev.position;
}
unsigned int starting_vertices_size = static_cast<unsigned int>(buffer_vertices_size);
Vec3f dir = (curr.position - prev.position).normalized();
Vec3f right = (std::abs(std::abs(dir.dot(Vec3f::UnitZ())) - 1.0f) < EPSILON) ? -Vec3f::UnitY() : Vec3f(dir[1], -dir[0], 0.0f).normalized();
Vec3f up = right.cross(dir);
Path& last_path = buffer.paths.back();
float half_width = 0.5f * last_path.width;
float half_height = 0.5f * last_path.height;
Vec3f prev_pos = prev.position - half_height * up;
Vec3f curr_pos = curr.position - half_height * up;
float length = (curr_pos - prev_pos).norm();
if (last_path.vertices_count() == 1) {
// 1st segment
buffer_vertices_size += 8;
// triangles starting cap
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 2, starting_vertices_size + 1);
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 3, starting_vertices_size + 2);
// dummy triangles outer corner cap
append_dummy_cap(buffer_indices, starting_vertices_size);
// triangles sides
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 1, starting_vertices_size + 4);
store_triangle(buffer_indices, starting_vertices_size + 1, starting_vertices_size + 5, starting_vertices_size + 4);
store_triangle(buffer_indices, starting_vertices_size + 1, starting_vertices_size + 2, starting_vertices_size + 5);
store_triangle(buffer_indices, starting_vertices_size + 2, starting_vertices_size + 6, starting_vertices_size + 5);
store_triangle(buffer_indices, starting_vertices_size + 2, starting_vertices_size + 3, starting_vertices_size + 6);
store_triangle(buffer_indices, starting_vertices_size + 3, starting_vertices_size + 7, starting_vertices_size + 6);
store_triangle(buffer_indices, starting_vertices_size + 3, starting_vertices_size + 0, starting_vertices_size + 7);
store_triangle(buffer_indices, starting_vertices_size + 0, starting_vertices_size + 4, starting_vertices_size + 7);
// triangles ending cap
store_triangle(buffer_indices, starting_vertices_size + 4, starting_vertices_size + 6, starting_vertices_size + 7);
store_triangle(buffer_indices, starting_vertices_size + 4, starting_vertices_size + 5, starting_vertices_size + 6);
}
else {
// any other segment
float displacement = 0.0f;
float cos_dir = prev_dir.dot(dir);
if (cos_dir > -0.9998477f) {
// if the angle between adjacent segments is smaller than 179 degrees
Vec3f med_dir = (prev_dir + dir).normalized();
displacement = half_width * ::tan(::acos(std::clamp(dir.dot(med_dir), -1.0f, 1.0f)));
}
Vec3f displacement_vec = displacement * prev_dir;
bool can_displace = displacement > 0.0f && displacement < prev_length && displacement < length;
bool is_right_turn = prev_up.dot(prev_dir.cross(dir)) <= 0.0f;
// whether the angle between adjacent segments is greater than 45 degrees
bool is_sharp = cos_dir < 0.7071068f;
bool right_displaced = false;
bool left_displaced = false;
if (!is_sharp) {
if (can_displace) {
if (is_right_turn)
left_displaced = true;
else
right_displaced = true;
}
}
buffer_vertices_size += 6;
// triangles starting cap
store_triangle(buffer_indices, starting_vertices_size - 4, starting_vertices_size - 2, starting_vertices_size + 0);
@ -1143,18 +1224,18 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
store_triangle(buffer_indices, starting_vertices_size + 2, starting_vertices_size + 3, starting_vertices_size + 4);
}
last_path.last = { index_buffer_id, static_cast<size_t>(buffer_indices.size() - 1), static_cast<size_t>(move_id), curr.position };
last_path.last = { index_buffer_id, buffer_indices.size() - 1, move_id, curr.position };
prev_dir = dir;
prev_up = up;
prev_length = length;
};
// toolpaths data -> extract from result
// to reduce the peak in memory usage, we split the generation of the vertex and index buffers in two steps.
// the data are deleted as soon as they are sent to the gpu.
std::vector<std::vector<float>> vertices(m_buffers.size());
std::vector<MultiIndexBuffer> indices(m_buffers.size());
for (auto i : indices) {
i.push_back(IndexBuffer());
}
// toolpaths data -> extract vertices from result
for (size_t i = 0; i < m_moves_count; ++i) {
// skip first vertex
if (i == 0)
@ -1166,6 +1247,71 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
unsigned char id = buffer_id(curr.type);
TBuffer& buffer = m_buffers[id];
std::vector<float>& buffer_vertices = vertices[id];
switch (buffer.render_primitive_type)
{
case TBuffer::ERenderPrimitiveType::Point:
{
add_vertices_as_point(curr, buffer_vertices);
break;
}
case TBuffer::ERenderPrimitiveType::Line:
{
add_vertices_as_line(prev, curr, buffer, buffer_vertices);
break;
}
case TBuffer::ERenderPrimitiveType::Triangle:
{
add_vertices_as_solid(prev, curr, buffer, buffer_vertices, i);
break;
}
}
}
log_memory_usage("Loaded G-code generated vertex buffers, ", vertices, indices);
// toolpaths data -> send vertices data to gpu
for (size_t i = 0; i < m_buffers.size(); ++i) {
TBuffer& buffer = m_buffers[i];
const std::vector<float>& buffer_vertices = vertices[i];
buffer.vertices.count = buffer_vertices.size() / buffer.vertices.vertex_size_floats();
#if ENABLE_GCODE_VIEWER_STATISTICS
m_statistics.vertices_gpu_size += buffer_vertices.size() * sizeof(float);
m_statistics.max_vertices_in_vertex_buffer = std::max(m_statistics.max_vertices_in_vertex_buffer, static_cast<long long>(buffer.vertices.count));
#endif // ENABLE_GCODE_VIEWER_STATISTICS
glsafe(::glGenBuffers(1, &buffer.vertices.id));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, buffer.vertices.id));
glsafe(::glBufferData(GL_ARRAY_BUFFER, buffer_vertices.size() * sizeof(float), buffer_vertices.data(), GL_STATIC_DRAW));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
}
// dismiss vertices data, no more needed
std::vector<std::vector<float>>().swap(vertices);
// toolpaths data -> extract indices from result
// ensure that at least one index buffer is defined for each multibuffer
for (auto i : indices) {
i.push_back(IndexBuffer());
}
// paths may have been filled while extracting vertices,
// so reset them, they will be filled again while extracting indices
for (TBuffer& buffer : m_buffers) {
buffer.paths.clear();
}
// variable used to keep track of the current size (in vertices) of the vertex buffer
size_t curr_buffer_vertices_size = 0;
for (size_t i = 0; i < m_moves_count; ++i) {
// skip first vertex
if (i == 0)
continue;
const GCodeProcessor::MoveVertex& prev = gcode_result.moves[i - 1];
const GCodeProcessor::MoveVertex& curr = gcode_result.moves[i];
unsigned char id = buffer_id(curr.type);
TBuffer& buffer = m_buffers[id];
MultiIndexBuffer& buffer_indices = indices[id];
if (buffer_indices.empty())
buffer_indices.push_back(IndexBuffer());
@ -1199,40 +1345,28 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
{
case TBuffer::ERenderPrimitiveType::Point:
{
add_as_point(curr, buffer, buffer_vertices, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
add_indices_as_point(curr, buffer, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
break;
}
case TBuffer::ERenderPrimitiveType::Line:
{
add_as_line(prev, curr, buffer, buffer_vertices, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
add_indices_as_line(prev, curr, buffer, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
break;
}
case TBuffer::ERenderPrimitiveType::Triangle:
{
add_as_solid(prev, curr, buffer, buffer_vertices, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
add_indices_as_solid(prev, curr, buffer, curr_buffer_vertices_size, static_cast<unsigned int>(buffer_indices.size()) - 1, buffer_indices.back(), i);
break;
}
}
}
// toolpaths data -> send data to gpu
log_memory_usage("Loaded G-code generated indices buffers, ", vertices, indices);
// toolpaths data -> send indices data to gpu
for (size_t i = 0; i < m_buffers.size(); ++i) {
TBuffer& buffer = m_buffers[i];
// vertices
const std::vector<float>& buffer_vertices = vertices[i];
buffer.vertices.count = buffer_vertices.size() / buffer.vertices.vertex_size_floats();
#if ENABLE_GCODE_VIEWER_STATISTICS
m_statistics.vertices_gpu_size += buffer_vertices.size() * sizeof(float);
m_statistics.max_vertices_in_vertex_buffer = std::max(m_statistics.max_vertices_in_vertex_buffer, static_cast<long long>(buffer.vertices.count));
#endif // ENABLE_GCODE_VIEWER_STATISTICS
glsafe(::glGenBuffers(1, &buffer.vertices.id));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, buffer.vertices.id));
glsafe(::glBufferData(GL_ARRAY_BUFFER, buffer_vertices.size() * sizeof(float), buffer_vertices.data(), GL_STATIC_DRAW));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
// indices
for (size_t j = 0; j < indices[i].size(); ++j) {
const IndexBuffer& buffer_indices = indices[i][j];
buffer.indices.push_back(IBuffer());
@ -1268,6 +1402,9 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
}
#endif // ENABLE_GCODE_VIEWER_STATISTICS
// dismiss indices data, no more needed
std::vector<MultiIndexBuffer>().swap(indices);
// layers zs / roles / extruder ids / cp color ids -> extract from result
for (size_t i = 0; i < m_moves_count; ++i) {
const GCodeProcessor::MoveVertex& move = gcode_result.moves[i];
@ -1291,8 +1428,10 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
m_layers_zs[k++] = (j > i + 1) ? (0.5 * (m_layers_zs[i] + m_layers_zs[j - 1])) : m_layers_zs[i];
i = j;
}
if (k < n)
if (k < n) {
m_layers_zs.erase(m_layers_zs.begin() + k, m_layers_zs.end());
m_layers_zs.shrink_to_fit();
}
// set layers z range
m_layers_z_range = { m_layers_zs.front(), m_layers_zs.back() };
@ -1300,22 +1439,14 @@ void GCodeViewer::load_toolpaths(const GCodeProcessor::Result& gcode_result)
// roles -> remove duplicates
std::sort(m_roles.begin(), m_roles.end());
m_roles.erase(std::unique(m_roles.begin(), m_roles.end()), m_roles.end());
m_roles.shrink_to_fit();
// extruder ids -> remove duplicates
std::sort(m_extruder_ids.begin(), m_extruder_ids.end());
m_extruder_ids.erase(std::unique(m_extruder_ids.begin(), m_extruder_ids.end()), m_extruder_ids.end());
m_extruder_ids.shrink_to_fit();
long long vertices_size = 0;
for (size_t i = 0; i < vertices.size(); ++i) {
vertices_size += SLIC3R_STDVEC_MEMSIZE(vertices[i], float);
}
long long indices_size = 0;
for (size_t i = 0; i < indices.size(); ++i) {
for (size_t j = 0; j < indices[i].size(); ++j) {
indices_size += SLIC3R_STDVEC_MEMSIZE(indices[i][j], unsigned int);
}
}
log_memory_used("Loaded G-code extrusion paths, ", vertices_size + indices_size);
log_memory_usage("Loaded G-code generated extrusion paths, ", vertices, indices);
#if ENABLE_GCODE_VIEWER_STATISTICS
m_statistics.load_time = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now() - start_time).count();