//*PIXEL*
#version 450

#extension GL_EXT_scalar_block_layout : enable
#extension GL_EXT_nonuniform_qualifier : enable
#extension GL_ARB_bindless_texture : enable

const uint DIRECTIONAL_LIGHT = 1;
const uint POINT_LIGHT = 2;
const uint SPOT_LIGHT = 3;

layout( std430, binding = 3) readonly buffer texture_buffer {
    uvec2 textures[1000];
};

layout(binding = 0) uniform uniform_per_frame
{	
	mat4 view;
	mat4 proj;	
    uint shadow_texture_id;
    vec3 padding0;
};

layout (location=0) in VS_OUT
{
	vec2 vsUV;	
};


layout (location=0) out vec4 output_colour;

void main() 
{
    	uvec2 shadow_handle = textures[shadow_texture_id];
        float colour = texture(sampler2DArray(shadow_handle), vec3(vsUV, 0)).r;
        //colour = (1.0 - (1.0 - colour) * 1.4);
        output_colour = vec4(colour, colour, colour, 1.0);			
        //output_colour = vec4(1,0,0,1);
}