4 // require_extensions: GL_ARB_tessellation_shader
8 // From the ARB_tessellation_shader spec:
10 // There must be at least one layout qualifier specifying an output patch
11 // vertex count in any program containing tessellation control shaders;
14 #extension GL_ARB_tessellation_shader: require
15 //layout(vertices = 3) out;
18 gl_out[gl_InvocationID].gl_Position = vec4(0.0);
19 gl_TessLevelOuter = float[4](1.0, 1.0, 1.0, 1.0);
20 gl_TessLevelInner = float[2](1.0, 1.0);