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

//layout (location = 0) in vec2 inUV;
layout (location = 0) out vec4 outColor;

struct VertexData {
    float position[4];
//    float uv[2];
};

struct MaterialData {
    float m_AlbedoFactor[4];
    float m_EmissionFactor[4];
    float m_MetalFactor;
    float m_RoughFactor;
    uint m_AlbedoTex;
    uint m_NormalTex;
    uint m_MetalRoughTex;
    uint m_OcclusionTex;
    uint m_EmissionTex;
};

layout(set = 0, binding = 1) uniform sampler2D textures[];
layout(std430, set = 0, binding = 0) readonly buffer Vertices {
    VertexData data[];
} vertexBuffer[];
layout(std430, set = 0, binding = 0) readonly buffer Materials {
    MaterialData data[];
} materialsBuffer[];


layout(push_constant) uniform Block {
    uint vertexBufferHandle;
    uint materialBufferHandle;
    uint materialIdx;
};

vec4 ToVec4(float array[4]) {
    return vec4(array[0],array[1],array[2],array[3]);
}

void main() {
    outColor = ToVec4(materialsBuffer[materialBufferHandle].data[materialIdx].m_AlbedoFactor); // vec4(texture(textures[textureHandle], inUV).rgb, 1.0f);
}