[require] GLSL >= 1.10 [vertex shader] #version 120 /* Verify that two arrays can be directly compared correctly. */ void main() { gl_Position = gl_Vertex; } [fragment shader] #version 120 void main() { float ff[2]; float fff[2]; ff[0] = fff[0] = 3.3; ff[1] = fff[1] = 3.5; if (fff != ff) gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); else gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); } [test] draw rect -1 -1 2 2 probe all rgba 0.0 1.0 0.0 1.0