#version 450

struct DirectionalLightStruct
{
  vec3 direction;
  uint isActive;
  uint cullingMask;
  vec4 diffuseColor;
};

layout(local_size_x = 16, local_size_y = 16) in;
layout(set = 4, binding = 0, rgba8) uniform image2D inputImage;
layout(set = 4, binding = 1, rgba8) uniform image2D targetImage;

layout(set = 1, binding = 0) buffer DirectionalLightData
{
  DirectionalLightStruct dLightData[];
} DirLightData;

void main()
{
  // convenient variables
  ivec2 globalThread = ivec2(gl_GlobalInvocationID);

  vec3 color = imageLoad (inputImage, globalThread).rgb;

  // store result into result image
  imageStore(targetImage, ivec2(gl_GlobalInvocationID.xy), vec4(color, 1.0f));

}