three/src/renderers/shaders/ShaderChunk/lights_fragment_maps.glsl.js

JavaScript 3D library

export default /* glsl */`
#if defined( RE_IndirectDiffuse )

	#ifdef USE_LIGHTMAP

		vec4 lightMapTexel= texture2D( lightMap, vUv2 );
		vec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;

		#ifndef PHYSICALLY_CORRECT_LIGHTS

			lightMapIrradiance *= PI; // factor of PI should not be present; included here to prevent breakage

		#endif

		irradiance += lightMapIrradiance;

	#endif

	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )

		iblIrradiance += getLightProbeIndirectIrradiance( /*lightProbe,*/ geometry, maxMipLevel );

	#endif

#endif

#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )

	radiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );

	#ifdef CLEARCOAT

		clearcoatRadiance += getLightProbeIndirectRadiance( /*specularLightProbe,*/ geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );

	#endif

#endif
`;