[require]
GLSL >= 1.20

[vertex shader]
#version 120

int i = 1;
uniform ivec2 j = ivec2(2,3);
ivec3 k = ivec3(4,5,6);
const ivec4 l = ivec4(7,8,9,10);

void main()
{
   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;

   mat4x3 m4 = mat4x3(ivec3(i, j), k, ivec3(l[2]), l.gra);

  if (m4 == mat4x3(1.0,2.0,3.0, 4.0,5.0,6.0, 9.0,9.0,9.0, 8.0,7.0,10.0))
      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