File: glsl-algebraic-add-zero-2.shader_test

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[require]
GLSL >= 1.10

[vertex shader]
void main()
{
	gl_Position = gl_Vertex;
}

[fragment shader]
uniform float v;
void main()
{
	gl_FragColor = v + vec4(0.0);
}

[test]
uniform float v 0.5
draw rect -1 -1 2 2
probe all rgba 0.5 0.5 0.5 0.5