[require]
GLSL >= 1.10

[vertex shader]
varying vec4 gl_TexCoord[3];
void main()
{
	gl_TexCoord[0] = vec4(0.0, 1.0, 0.0, 1.0);
	gl_TexCoord[1] = vec4(1.0, 0.0, 0.0, 1.0);
	gl_TexCoord[2] = vec4(0.0, 0.0, 1.0, 1.0);
	gl_Position = ftransform();
}

[fragment shader]
varying vec4 gl_TexCoord[3];
void main()
{
	gl_FragColor = gl_TexCoord[0] + gl_TexCoord[2];
}

[test]
draw rect -1 -1 2 2
probe all rgba 0.0 1.0 1.0 1.0