diff --git a/libraries/gpu/src/gpu/GLBackendTransform.cpp b/libraries/gpu/src/gpu/GLBackendTransform.cpp index 4e524ec24a..3f760e4cc8 100755 --- a/libraries/gpu/src/gpu/GLBackendTransform.cpp +++ b/libraries/gpu/src/gpu/GLBackendTransform.cpp @@ -133,11 +133,11 @@ void GLBackend::updateTransform() { } if (_transform._invalidModel || _transform._invalidView) { - if (_transform._lastMode != GL_MODELVIEW) { - glMatrixMode(GL_MODELVIEW); - _transform._lastMode = GL_MODELVIEW; - } if (!_transform._model.isIdentity()) { + if (_transform._lastMode != GL_MODELVIEW) { + glMatrixMode(GL_MODELVIEW); + _transform._lastMode = GL_MODELVIEW; + } Transform::Mat4 modelView; if (!_transform._view.isIdentity()) { Transform mvx; @@ -147,12 +147,19 @@ void GLBackend::updateTransform() { _transform._model.getMatrix(modelView); } glLoadMatrixf(reinterpret_cast< const GLfloat* >(&modelView)); - } else if (!_transform._view.isIdentity()) { - Transform::Mat4 modelView; - _transform._view.getInverseMatrix(modelView); - glLoadMatrixf(reinterpret_cast< const GLfloat* >(&modelView)); } else { - glLoadIdentity(); + if (!_transform._view.isIdentity()) { + if (_transform._lastMode != GL_MODELVIEW) { + glMatrixMode(GL_MODELVIEW); + _transform._lastMode = GL_MODELVIEW; + } + Transform::Mat4 modelView; + _transform._view.getInverseMatrix(modelView); + glLoadMatrixf(reinterpret_cast< const GLfloat* >(&modelView)); + } else { + // TODO: eventually do something about the matrix when neither view nor model is specified? + // glLoadIdentity(); + } } (void) CHECK_GL_ERROR(); }