struct VertexData {
    vec4 Normal;
    vec2 TexCoord0;
    vec2 TexCoord1;
    vec4 Color;
};

struct Material
{
    vec4 m_AlbedoFactor;    // 16   16
    vec3 m_EmissionFactor;  // 12   28
    float m_MetalFactor;    // 04   32
    float m_RoughFactor;    // 04   36
    uint m_AlbedoTex;       // 04   40
    uint m_NormalTex;       // 04   44
    uint m_MetalRoughTex;   // 04   48
    uint m_OcclusionTex;    // 04   52
    uint m_EmissionTex;     // 04   56
    // We might be able to go upto 64 without pains.
};

struct PointLight
{
    vec3 m_Position;
    float m_Range;
    uint m_Color;
    float m_Intensity;
};

struct DirectionalLight
{
    vec3 m_Direction;
    float m_Validity_;
    uint m_Color;
    float m_Intensity;
};

// ---------- Bindless Bindings ----------
#define INVALID_HANDLE 0xFFFFFFFF

layout (std430, set = 0, binding = 0) readonly buffer PointLightBuffer {
    PointLight lights[];
} pointLightBuffers[];

layout (std430, set = 0, binding = 0) readonly buffer DirectionLightBuffer {
    DirectionalLight lights[];
} directionalLightBuffers[];

layout (set = 0, binding = 1) uniform sampler2D textures[];
layout (set = 0, binding = 1) uniform samplerCube textureCubes[];

// ---------- Buffer References ----------
layout(std430, buffer_reference, buffer_reference_align=16) readonly buffer VPositionRef {
    vec4 Positions[];
};

layout(std430, buffer_reference, buffer_reference_align=16) readonly buffer VDataRef {
    VertexData Data[];
};

layout(std430, buffer_reference, buffer_reference_align=8) readonly buffer MaterialsRef {
    Material materials[];
};

layout(std430, buffer_reference, buffer_reference_align=8) readonly buffer MaterialRef {
    Material material;
};

// Node

struct Node
{
    mat4 globalTransform;           // 64   64
    VPositionRef pVertexPosition;   // 08   72
    VDataRef pVertexData;           // 08   80
    MaterialRef pMaterial;          // 08   88
    // pad                          // 08   96
};

layout(std430, buffer_reference, buffer_reference_align=8) readonly buffer NodeRef {
    Node nodes[];
};