source/blender/gpu/shaders/compositor/compositor_normalize.glsl


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#pragma BLENDER_REQUIRE(gpu_shader_compositor_texture_utilities.glsl)

void main()
{
  ivec2 texel = ivec2(gl_GlobalInvocationID.xy);
  float value = texture_load(input_tx, texel).x;
  float normalized_value = (value - minimum) * scale;
  float clamped_value = clamp(normalized_value, 0.0, 1.0);
  imageStore(output_img, texel, vec4(clamped_value));
}