#version 450

layout(location = 0) in vec4 color;
layout(location = 1) in vec2 texCoord;
layout(location = 0) out vec4 outColor;

layout(set = 5, binding = 0) uniform LabelData
{
   vec2 textSize;
   float radius;
   float arrowLength;
   bool hasRoundedCorners;
   bool hasArrow;
} labelInfo;

void main()
{   
    if (labelInfo.hasRoundedCorners)
    {
        vec2 bbox;
        if (!labelInfo.hasArrow)
        {
            bbox = labelInfo.textSize;
        }
        else
        {
            bbox = vec2(labelInfo.textSize.x, labelInfo.textSize.y + labelInfo.arrowLength);
        }

        const float arrowLength = labelInfo.hasArrow ? labelInfo.arrowLength : 0;
        vec2 uvScaled = texCoord * bbox;
        //vec2 uvNoArrow = texCoord * labelInfo.textSize;
        float distX = min(uvScaled.x, bbox.x - uvScaled.x);
        float distY = min(uvScaled.y - arrowLength, bbox.y - uvScaled.y);
        
        float distanceFromEdge = distX * distY;
        float scaledRadius = labelInfo.radius/10000.f;
        if (distanceFromEdge < scaledRadius)
        {
            discard;
        }
    }
    outColor = color;
}