#version 450
#pragma shader_stage(fragment)
#extension GL_EXT_shader_explicit_arithmetic_types_int64 : enable
#extension GL_EXT_buffer_reference : require
#extension GL_EXT_nonuniform_qualifier : enable

#include "bindless_structs.glsl"
#include "graphics_bindings.glsl"

layout (location=0) in vec3 in_WorldPosition;

layout (location=0) out vec4 out_Color;

void main()
{
    vec3 direction = normalize(in_WorldPosition - camera.m_Position.xyz);
#ifndef _DEBUG
    vec4 color = texture(textureCubes[lights.m_EnvCubeHandle], direction);
#else
    vec4 color;
//    if ((PushConstant.DebugFlags & SHOW_DIFFUSE_BIT) > 0)
//    {
//        Color = TextureCubes[Lights.DiffuseIrradianceHandle].Sample(ImmutableSamplers[Lights.DiffuseIrradianceHandle], Direction);
//    }
//    else if ((PushConstant.DebugFlags & SHOW_PREFILTER_BIT) > 0)
//    {
//        Color = TextureCubes[Lights.PrefilterHandle].Sample(ImmutableSamplers[Lights.PrefilterHandle], Direction);
//    }
//    else
    {
        color = texture(textureCubes[lights.m_EnvCubeHandle], direction);
    }
#endif
    out_Color = vec4(Uncharted2Tonemap(color.rgb), color.a);
}