source/blender/draw/engines/eevee/shaders/volumetric_accum_frag.glsl


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/* This shader is used to add default values to the volume accum textures.
 * so it looks similar (transmittance = 1, scattering = 0) */
layout(location = 0, index = 0) out vec4 FragColor0;
layout(location = 0, index = 1) out vec4 FragColor1;

void main()
{
  FragColor0 = vec4(0.0);
  FragColor1 = vec4(1.0);
}