#version 150 compatibility
#extension GL_EXT_geometry_shader4 : enable

in vec4 colors[];
out vec4 color;

vec4 map_plot_to_screen(in vec2 pnt);

void main()
{
	color = colors[0];

	gl_Position = map_plot_to_screen(vec2(gl_PositionIn[0].x, 0.0));
	EmitVertex();

	gl_Position = map_plot_to_screen(gl_PositionIn[0].xy);
	EmitVertex();

	EndPrimitive();
}