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Implement broken apiclip_of_x

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rdb 2014-06-28 11:37:15 +00:00
parent 2142fbb45b
commit 5d1e507aef
1 changed files with 22 additions and 5 deletions
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27
panda/src/display/graphicsStateGuardian.cxx
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@ -1269,15 +1269,32 @@ fetch_specified_part(Shader::ShaderMatInput part, InternalName *name, LMatrix4 &
return &t;
}
case Shader::SMO_apiclip_x_to_view: {
// NOT IMPLEMENTED
return &LMatrix4::ident_mat();
// LIMITATION: only takes the first lens.
const NodePath &np = _target_shader->get_shader_input_nodepath(name);
nassertr(!np.is_empty(), &LMatrix4::ident_mat());
LensNode *ln;
DCAST_INTO_R(ln, np.node(), &LMatrix4::ident_mat());
Lens *lens = ln->get_lens();
nassertr(lens != (Lens *)NULL, &LMatrix4::ident_mat());
CPT(TransformState) ts = calc_projection_mat(lens);
t = ts->get_inverse()->get_mat() * _inv_cs_transform->get_mat();
return &t;
}
case Shader::SMO_view_to_apiclip_x: {
// NOT IMPLEMENTED
return &LMatrix4::ident_mat();
// LIMITATION: only takes the first lens.
const NodePath &np = _target_shader->get_shader_input_nodepath(name);
nassertr(!np.is_empty(), &LMatrix4::ident_mat());
LensNode *ln;
DCAST_INTO_R(ln, np.node(), &LMatrix4::ident_mat());
Lens *lens = ln->get_lens();
nassertr(lens != (Lens *)NULL, &LMatrix4::ident_mat());
CPT(TransformState) ts = calc_projection_mat(lens);
nassertr(ts != NULL, &LMatrix4::ident_mat());
t = _cs_transform->get_mat() * ts->get_mat();
return &t;
}
default:
// should never get here
nassertr(false /*should never get here*/, &LMatrix4::ident_mat());
return &LMatrix4::ident_mat();
}
}