4 * require_extensions: GL_ARB_shading_language_420pack
9 #extension GL_ARB_shading_language_420pack: enable
12 // Illegal since mat4x2 consists of 4x vec2 columns, but 2x vec4 columns
13 // given as initializer
14 mat4x2 c = { vec4(0.0), vec4(1.0) };
15 gl_FragColor = vec4(1.0);