|  | #version 450
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							|  | #extension GL_NV_viewport_array2 :require
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							|  | #extension GL_NV_stereo_view_rendering : require
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							|  | layout (viewport_relative, secondary_view_offset = 2) out highp int gl_Layer;
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							|  | void main()
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							|  | {
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							|  |     gl_SecondaryViewportMaskNV[0] = 1;
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							|  |     gl_SecondaryPositionNV        = gl_Position;
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							|  | }
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