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Tech ENABLE_LEGACY_OPENGL_REMOVAL - Fixed calculation of normal matrices sent to shaders

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(cherry picked from commit prusa3d/PrusaSlicer@c468dcbed7)
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enricoturri1966 2023-10-28 00:01:28 +08:00 • committed by Noisyfox
parent 4fb5b1f904
commit 19ad0ca4d9
29 changed files with 175 additions and 152 deletions
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7
src/slic3r/GUI/Gizmos/GLGizmoPainterBase.cpp
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@ -107,10 +107,11 @@ void GLGizmoPainterBase::render_triangles(const Selection& selection) const
glsafe(::glFrontFace(GL_CW));
const Camera& camera = wxGetApp().plater()->get_camera();
const Transform3d matrix = camera.get_view_matrix() * trafo_matrix;
shader->set_uniform("view_model_matrix", matrix);
const Transform3d& view_matrix = camera.get_view_matrix();
shader->set_uniform("view_model_matrix", view_matrix * trafo_matrix);
shader->set_uniform("projection_matrix", camera.get_projection_matrix());
shader->set_uniform("normal_matrix", (Matrix3d)matrix.matrix().block(0, 0, 3, 3).inverse().transpose());
const Matrix3d view_normal_matrix = view_matrix.matrix().block(0, 0, 3, 3) * trafo_matrix.matrix().block(0, 0, 3, 3).inverse().transpose();
shader->set_uniform("view_normal_matrix", view_normal_matrix);
// For printers with multiple extruders, it is necessary to pass trafo_matrix
// to the shader input variable print_box.volume_world_matrix before