#version 460
#extension GL_EXT_ray_tracing : require

layout(set = 0, binding = 0) uniform accelerationStructureEXT as;
layout(set = 0, binding = 1, rgba32f) uniform writeonly image2D image;
layout(location = 3) rayPayloadEXT vec4 payload;
layout(location = 4) callableDataEXT float blend;

void main()
{
    vec3 origin = vec3(0.0);
    vec3 direction = vec3(0.0, 0.0, -1.0);
    traceRayEXT(as, gl_RayFlagsOpaqueEXT, 0xFF, 0u, 0u, 0u, origin, 0.0, direction, 100.0f, 3);
    executeCallableEXT(0u, 4);
    imageStore(image, ivec2(gl_LaunchIDEXT.xy), payload + vec4(blend));
}