cube-game-plus-plus/resources/shader/overlayFragment.fs

#version 430

layout (binding = 0) uniform sampler2D samp;

uniform bool useTexture;
uniform bool useColor;

in vec4 varColor;
in vec2 varTextureCoord;

out vec4 color;

void main()
{
    if(useTexture)
    {
        color = texture(samp, varTextureCoord);
        if(useColor)
        {
            color = vec4(varColor.xyz, color.w);
        }
    }
    else
    {
        color = varColor;
    }
}