#version 450

layout(location = 0) in vec4 fragColor;
layout(location = 1) in vec2 fragTexCoord;

layout(location = 0) out vec4 outColor;

layout(binding = 0, std140) uniform UniformBufferObject {
    float time; // offset 0
    float resX; // offset 4
    float resY; // offset 8
    float rotation; // offset 12
    float wavePhase; // offset 16
    float padding1; // offset 20
    float padding2; // offset 24
} ubo;

layout(binding = 1) uniform sampler2D texSampler;

void main() {
    // Sample the font texture atlas
    float alpha = texture(texSampler, fragTexCoord).r;

    // Apply color with alpha from texture
    outColor = vec4(fragColor.rgb, fragColor.a * alpha);
}