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

#include "graphics_bindings.glsl"

layout (location = 0) out vec3 out_WorldPosition;

void main()
{
    vec3 points[] =
    {
        vec3(-1.0f, -1.0f, 1.0f),
        vec3(3.0f, -1.0f, 1.0f),
        vec3(-1.0f, 3.0f, 1.0f),
    };
    
    gl_Position = vec4(points[gl_VertexIndex], 1.0f);
    
    vec4 clipSpace = camera.m_InvProjection * vec4(points[gl_VertexIndex], 1.0f);
    vec4 worldSpace = camera.m_InvView * (clipSpace / clipSpace.wwww);
    out_WorldPosition = worldSpace.xyz;
}