// XC_BUILTIN_SHADOW_CASTER_VULKAN_PS
#version 450

layout(set = 2, binding = 0) uniform texture2D uBaseColorTexture;
layout(set = 3, binding = 0) uniform sampler uLinearSampler;

layout(set = 1, binding = 0, std140) uniform MaterialConstants {
    vec4 gBaseColorFactor;
    vec4 gAlphaCutoffParams;
};

layout(location = 0) in vec2 vTexCoord;

void main() {
#ifdef XC_ALPHA_TEST
    vec4 baseColor = texture(sampler2D(uBaseColorTexture, uLinearSampler), vTexCoord) * gBaseColorFactor;
    if (baseColor.a < gAlphaCutoffParams.x) {
        discard;
    }
#endif
    gl_FragDepth = gl_FragCoord.z;
}