#include "bindless_structs.hlsli"

struct CameraData
{
    float4x4 View;
    float4x4 Projection;
    float4x4 InvView;
    float4x4 InvProjection;
    float4 Position;
};

struct Block
{
    uint VertexBufferHandle;
    uint VertexDataHandle;
    uint MaterialBufferHandle;
    uint NodeBufferHandle;
    uint EnvCubeHandle;
    uint LightHandle;
    uint PointLightIndexer;
    uint DirectionalLightIndexer;
    int MaterialIdx;
    uint NodeIdx;
};

[[vk::binding(0, 1)]] ConstantBuffer<CameraData> Camera;

[[vk::push_constant]]
Block PushConstant;

float3 Uncharted2Tonemap(float3 color)
{
    float A = 0.15f;
    float B = 0.50f;
    float C = 0.10f;
    float D = 0.20f;
    float E = 0.02f;
    float F = 0.30f;
    float W = 11.2f;
    return ((color * (A * color + C * B) + D * E) / (color * (A * color + B) + D * F)) - E / F;
}