File: glsl-invariant-pragma.shader_test

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[require]
GLSL >= 1.20

[vertex shader]
#pragma STDGL invariant(all)
varying float var;
void main()
{
	var = 1;
	gl_Position = gl_Vertex;
}

[fragment shader]
invariant varying float var;
void main()
{
	gl_FragColor = vec4(0, var, 0, 1);
}

[test]
draw rect -1 -1 2 2
probe all rgba 0 1 0 1