# Use clip and cull distances. Clip triangle 0 between vertices 0 and
# 1, cull triangle 0.

[require]
GLSL >= 1.30
GL_ARB_cull_distance

[vertex shader]
#version 130
#extension GL_ARB_cull_distance: enable

out float gl_CullDistance[1];
out float gl_ClipDistance[1];

void main(void)
{
	gl_Position = gl_Vertex;

	gl_CullDistance[0] = gl_VertexID - 3;
	gl_ClipDistance[0] = gl_VertexID - 1;
}

[fragment shader]
#version 130

void main(void)
{
	gl_FragColor = vec4(0, 0, 1, 1);
}

[test]
clear color 0.0 1.0 0.0 1.0
clear
enable GL_CLIP_PLANE0
draw rect -1 -1 2 2

# Bottom left corner is green because triangle 0 was culled
relative probe rgba (0.100, 0.100) (0.0, 1.0, 0.0, 1.0)

# Top left corner is green below diagonal because triangle 0 was culled
relative probe rgba (0.050, 0.900) (0.0, 1.0, 0.0, 1.0)

# Top left corner is blue above diagonal because triangle 1 was not
# culled or clipped.
relative probe rgba (0.100, 0.950) (0.0, 0.0, 1.0, 1.0)

# Top right corner is blue because triangle 1 was not culled or clipped
relative probe rgba (0.900, 0.900) (0.0, 0.0, 1.0, 1.0)