#version 450

layout(location = 0) in vec4 color;
layout(location = 1) in vec4 bgColor;
layout(location = 2) in vec2 texCoord;

layout(location = 0) out vec4 outColor;

layout(set = 2, binding = 0) uniform sampler2D texSampler;

void main()
{
    vec4 sampled = texture(texSampler, texCoord);
    float alpha = max(sampled.r, max(sampled.g, sampled.b));
    outColor = vec4(color) * vec4(sampled.rgb, alpha);
    if (bgColor.a != 0)
    {
      outColor = mix(bgColor, outColor, alpha);
    }
}