[require]
GLSL >= 1.20

[vertex shader]
#version 120

bool TestFunction(void)
{
  mat2x4 m2 = mat2x4(1,2, int(3),4,5,6,7,8);

  if (m2 != mat2x4(1.0,2.0,3.0,4.0, 5.0,6.0,7.0,8.0))
    return false;

  return true;
}

void main()
{
   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;

   if (TestFunction())
      gl_FrontColor = vec4(0.0, 1.0, 0.0, 1.0);
   else
      gl_FrontColor = vec4(1.0, 0.0, 0.0, 1.0);
}

[fragment shader file]
glsl-color.frag

[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.0 1.0 0.0