size_t device_buffer::stride() const { return impl_->stride_; }\r
size_t device_buffer::width() const { return impl_->width_; }\r
size_t device_buffer::height() const { return impl_->height_; }\r
-void device_buffer::bind(){impl_->bind();}\r
void device_buffer::bind(int index){impl_->bind(index);}\r
void device_buffer::unbind(){impl_->unbind();}\r
void device_buffer::begin_read(){impl_->begin_read();}\r