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Tech ENABLE_GLBEGIN_GLEND_REMOVAL - Adapt GLModel::Geometry index format in dependence of data size, where possible

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(cherry picked from commit prusa3d/PrusaSlicer@4d2d77e99c)
This commit is contained in:
enricoturri1966
2023-10-22 21:54:42 +08:00
committed by Noisyfox
parent 6d4e0840bc
commit 874f39aac1
4 changed files with 21 additions and 10 deletions
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6
src/slic3r/GUI/3DBed.cpp
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@@ -44,10 +44,11 @@ bool init_model_from_poly(GLModel &model, const ExPolygon &poly, float z)
if (triangles.empty() || triangles.size() % 3 != 0)
return false;
const GLModel::Geometry::EIndexType index_type = (triangles.size() < 65536) ? GLModel::Geometry::EIndexType::USHORT : GLModel::Geometry::EIndexType::UINT;
GLModel::Geometry init_data;
const GLModel::Geometry::EIndexType index_type = (triangles.size() < 65536) ? GLModel::Geometry::EIndexType::USHORT : GLModel::Geometry::EIndexType::UINT;
init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3T2, index_type };
init_data.reserve_vertices(triangles.size());
init_data.reserve_indices(triangles.size() / 3);
Vec2f min = triangles.front();
Vec2f max = min;
@@ -63,6 +64,7 @@ bool init_model_from_poly(GLModel &model, const ExPolygon &poly, float z)
Vec2f inv_size = size.cwiseInverse();
inv_size.y() *= -1.0f;
// vertices + indices
unsigned int vertices_counter = 0;
for (const Vec2f &v : triangles) {
const Vec3f p = {v.x(), v.y(), z};