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# Test that superfluous declarations are allowed
#
# GLSLangSpec.1.50, 4.3.6 ():
# "Only output variables that are read by the subsequent pipeline stage need
# to be written; it is allowed to have superfluous declarations of output
# variables."
[require]
GLSL >= 1.50
[vertex shader]
#version 150
in vec4 piglit_vertex;
out float a;
out float b;
out vec2 c;
void main()
{
a = 3.0;
b = 1.0;
gl_Position = piglit_vertex;
}
[fragment shader]
#version 150
in float b;
in vec2 c;
void main()
{
gl_FragColor = vec4(0.0, b, 0.0, 1.0);
}
[test]
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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