playcanvas/build/playcanvas/src/scene/shader-lib/wgsl/chunks/lit/frag/lighting/lightDeclaration.js

PlayCanvas WebGL game engine

var lightDeclarationPS = `
#if defined(LIGHT{i})
	uniform light{i}_color: vec3f;
	#if LIGHT{i}TYPE == DIRECTIONAL
		uniform light{i}_direction: vec3f;
	#else
		#define LIT_CODE_LIGHTS_POINT
		uniform light{i}_position: vec3f;
		uniform light{i}_radius: f32;
		#if LIGHT{i}TYPE == SPOT
			#define LIT_CODE_LIGHTS_SPOT
			uniform light{i}_direction: vec3f;
			uniform light{i}_innerConeAngle: f32;
			uniform light{i}_outerConeAngle: f32;
		#endif
	#endif
	#if LIGHT{i}SHAPE != PUNCTUAL
		#define LIT_CODE_FALLOFF_SQUARED
		#if LIGHT{i}TYPE == DIRECTIONAL
			uniform light{i}_position: vec3f;
		#endif
		uniform light{i}_halfWidth: vec3f;
		uniform light{i}_halfHeight: vec3f;
	#else
		#if LIGHT{i}FALLOFF == LINEAR
			#define LIT_CODE_FALLOFF_LINEAR
		#endif
		#if LIGHT{i}FALLOFF == INVERSESQUARED
			#define LIT_CODE_FALLOFF_SQUARED
		#endif
	#endif
	#if defined(LIGHT{i}CASTSHADOW)
		uniform light{i}_shadowMatrix: mat4x4f;
		uniform light{i}_shadowIntensity: f32;
		uniform light{i}_shadowParams: vec4f;
		#if LIGHT{i}SHADOWTYPE == PCSS_32F
			uniform light{i}_shadowSearchArea: f32;
			uniform light{i}_cameraParams: vec4f;
			#if LIGHT{i}TYPE == DIRECTIONAL
				uniform light{i}_softShadowParams: vec4f;
			#endif
		#endif
		#if LIGHT{i}TYPE == DIRECTIONAL
			uniform light{i}_shadowMatrixPalette: array<mat4x4f, 4>;
			uniform light{i}_shadowCascadeDistances: vec4f;
			uniform light{i}_shadowCascadeCount: i32;
			uniform light{i}_shadowCascadeBlend: f32;
		#endif
		#if LIGHT{i}TYPE == OMNI
			NOT SUPPORTED
			
		#else
			#if defined(LIGHT{i}SHADOW_PCF)
				var light{i}_shadowMap: texture_depth_2d;
				var light{i}_shadowMapSampler: sampler_comparison;
			#else
				var light{i}_shadowMap: texture_2d<f32>;
				var light{i}_shadowMapSampler: sampler;
			#endif
		#endif
	#endif
	#if defined(LIGHT{i}COOKIE)
		#define LIT_CODE_COOKIE
		#if LIGHT{i}TYPE == OMNI
			NOT SUPPORTED
		#endif
		#if LIGHT{i}TYPE == SPOT
			NOT SUPPORTED
		#endif
	#endif
#endif
`;

export { lightDeclarationPS as default };