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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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24
src/slic3r/GUI/GLCanvas3D.cpp
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@ -410,7 +410,7 @@ void GLCanvas3D::LayersEditing::render_active_object_annotations(const GLCanvas3
shader->set_uniform("object_max_z", m_object_max_z);
shader->set_uniform("view_model_matrix", Transform3d::Identity());
shader->set_uniform("projection_matrix", Transform3d::Identity());
shader->set_uniform("normal_matrix", (Matrix3d)Eigen::Matrix3d::Identity());
shader->set_uniform("view_normal_matrix", (Matrix3d)Matrix3d::Identity());
glsafe(::glPixelStorei(GL_UNPACK_ALIGNMENT, 1));
glsafe(::glBindTexture(GL_TEXTURE_2D, m_z_texture_id));
@ -569,9 +569,11 @@ void GLCanvas3D::LayersEditing::render_volumes(const GLCanvas3D& canvas, const G
shader->set_uniform("volume_world_matrix", glvolume->world_matrix());
shader->set_uniform("object_max_z", 0.0f);
const Transform3d view_model_matrix = camera.get_view_matrix() * glvolume->world_matrix();
shader->set_uniform("view_model_matrix", view_model_matrix);
shader->set_uniform("normal_matrix", (Matrix3d)view_model_matrix.matrix().block(0, 0, 3, 3).inverse().transpose());
const Transform3d& view_matrix = camera.get_view_matrix();
const Transform3d model_matrix = glvolume->world_matrix();
shader->set_uniform("view_model_matrix", view_matrix * model_matrix);
const Matrix3d view_normal_matrix = view_matrix.matrix().block(0, 0, 3, 3) * model_matrix.matrix().block(0, 0, 3, 3).inverse().transpose();
shader->set_uniform("view_normal_matrix", view_normal_matrix);
glvolume->render();
}
@ -5597,10 +5599,11 @@ void GLCanvas3D::render_thumbnail_internal(ThumbnailData& thumbnail_data, const
const bool is_active = vol->is_active;
vol->is_active = true;
const Transform3d matrix = view_matrix * vol->world_matrix();
shader->set_uniform("view_model_matrix", matrix);
const Transform3d model_matrix = vol->world_matrix();
shader->set_uniform("view_model_matrix", view_matrix * model_matrix);
shader->set_uniform("projection_matrix", 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) * model_matrix.matrix().block(0, 0, 3, 3).inverse().transpose();
shader->set_uniform("view_normal_matrix", view_normal_matrix);
vol->simple_render(shader, model_objects, extruder_colors);
vol->is_active = is_active;
}
@ -5634,10 +5637,11 @@ void GLCanvas3D::render_thumbnail_internal(ThumbnailData& thumbnail_data, const
// the volume may have been deactivated by an active gizmo
const bool is_active = vol->is_active;
vol->is_active = true;
const Transform3d matrix = view_matrix * vol->world_matrix();
shader->set_uniform("view_model_matrix", matrix);
const Transform3d model_matrix = vol->world_matrix();
shader->set_uniform("view_model_matrix", view_matrix * model_matrix);
shader->set_uniform("projection_matrix", 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) * model_matrix.matrix().block(0, 0, 3, 3).inverse().transpose();
shader->set_uniform("view_normal_matrix", view_normal_matrix);
vol->simple_render(shader, model_objects, extruder_colors);
vol->is_active = is_active;
}