This case could run normally on Nvidia GPU, but not on Intel GPU. In OpenGL spec, GL_RGB32F is texture supported format, and is also color renderable format. But it cannot be as an attachment for a framebuffer object, cannot be as a render target. In OpenGL ES spec, GL_RGB32F is texture supported format, but is not color renderable format, it means that texture with this format could been sampled in shader.
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