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[require]
GLSL >= 1.50
[vertex shader]
#version 150
in vec4 piglit_vertex;
uniform vec4 color;
out block {
vec4 a;
} inst_a;
out vec4 c;
void main()
{
gl_Position = piglit_vertex;
inst_a.a = color;
}
[fragment shader]
#version 150
in block {
vec4 a;
} inst_b;
void main()
{
gl_FragColor = inst_b.a;
}
[test]
uniform vec4 color 0.0 0.0 0.0 1.0
draw rect -1 -1 2 2
probe all rgba 0.0 0.0 0.0 1.0
uniform vec4 color 0.0 1.0 0.0 1.0
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 0.0 1.0
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