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>From Section 4.3.4 (Inputs) of the GLSL 1.50 spec: "Only the input variables that are actually read need to be written by the previous stage; it is allowed to have superfluous declarations of input variables." Fixes: * interstage-multiple-shader-objects.shader_test v2: Update comment in ir.h since the usage of "used" field has been extended. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101247 Signed-off-by: Vadym Shovkoplias <vadym.shovkoplias@globallogic.com> Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
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