The gs_texture_create_from_dmabuf function is a wrapper for
eglCreateImageKHR, which can set a different modifier for each plane.
The documentation should advice against that, since this should be
rejected by the driver.
While DMA-BUFs started to have one modifier per plane, this decision was
rolled back to having one modifier for the whole buffer / all planes.
While some apis like EGL were designed with a modifier per plane,
drivers are expected to reject any request using different modifiers per
plane.
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