#version 450

layout(location = 1) in vec4 in_color;
layout(location = 2) in vec2 in_uv;

layout(location = 0) out vec4 outColor;

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

void main() {
    // Sample the glyph alpha from the texture
    float glyphAlpha = texture(textSampler, in_uv).a;

    // Output straight alpha: (RGB, Alpha)
    // The blender (BlendAlpha) will multiply RGB by Alpha during compositing.
    // This avoids black fringes because we don't interpolate the texture's RGB.
    outColor = vec4(in_color.rgb, in_color.a * glyphAlpha);
}