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# Test that when an interface block contains members which are unsized
# arrays, the standard rules are applied in order to determine the
# array sizes (namely, the sizes should be inferred from the maximum
# array element accessed).
#
# In this test, there is a vertex shader output which uses an array
# size of 3, and a geometry shader input that uses an array size of 2,
# so link error should be produced. The vertex shader uses an unnamed
# interface block.
[require]
GLSL >= 1.50
[vertex shader]
#version 150
in vec4 piglit_vertex;
out blk {
float foo[];
};
void main()
{
foo[0] = 0.0;
foo[1] = 0.0;
foo[2] = 0.0;
gl_Position = piglit_vertex;
}
[geometry shader]
#version 150
layout(triangles) in;
layout(triangle_strip, max_vertices = 3) out;
in blk {
float foo[];
} ifc_name[];
out vec2 bar;
void main()
{
for (int i = 0; i < 3; i++) {
gl_Position = gl_in[i].gl_Position;
bar = vec2(ifc_name[i].foo[0], ifc_name[i].foo[1]);
EmitVertex();
}
}
[fragment shader]
#version 150
in vec2 bar;
void main()
{
gl_FragColor = vec4(bar, 0.0, 1.0);
}
[test]
link error
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