#version 450

layout(location = 0) in vec4 point;

layout(location = 0) out float thickness;

layout(push_constant) uniform PushConstants {
	mat4 MVP;
	vec4 Color;
	vec4 BGCol;
	float Ratio;
	float Target;
} pc;

void main() {
	thickness = point.w;

	vec4 vec = pc.MVP * vec4(point.xyz, 1.0);
	vec.z *= vec.w;
	// Remap OpenGL clip Z [-w, w] to Vulkan [0, w] after the depth trick above.
	vec.z = (vec.z + vec.w) * 0.5;
	gl_Position = vec;
}