@luma.gl/shadertools/dist/modules/lighting/lights/lighting-uniforms-glsl.d.ts

Shader module system for luma.gl

export declare const lightingUniformsGLSL = "precision highp int;\n\n// #if (defined(SHADER_TYPE_FRAGMENT) && defined(LIGHTING_FRAGMENT)) || (defined(SHADER_TYPE_VERTEX) && defined(LIGHTING_VERTEX))\nstruct AmbientLight {\n  vec3 color;\n};\n\nstruct PointLight {\n  vec3 color;\n  vec3 position;\n  vec3 attenuation; // 2nd order x:Constant-y:Linear-z:Exponential\n};\n\nstruct DirectionalLight {\n  vec3 color;\n  vec3 direction;\n};\n\nuniform lightingUniforms {\n  int enabled;\n  int lightType;\n\n  int directionalLightCount;\n  int pointLightCount;\n\n  vec3 ambientColor;\n\n  vec3 lightColor0;\n  vec3 lightPosition0;\n  vec3 lightDirection0;\n  vec3 lightAttenuation0;\n\n  vec3 lightColor1;\n  vec3 lightPosition1;\n  vec3 lightDirection1;\n  vec3 lightAttenuation1;\n\n  vec3 lightColor2;\n  vec3 lightPosition2;\n  vec3 lightDirection2;\n  vec3 lightAttenuation2;\n} lighting;\n\nPointLight lighting_getPointLight(int index) {\n  switch (index) {\n    case 0:\n      return PointLight(lighting.lightColor0, lighting.lightPosition0, lighting.lightAttenuation0);\n    case 1:\n      return PointLight(lighting.lightColor1, lighting.lightPosition1, lighting.lightAttenuation1);\n    case 2:\n    default:  \n      return PointLight(lighting.lightColor2, lighting.lightPosition2, lighting.lightAttenuation2);\n  }\n}\n\nDirectionalLight lighting_getDirectionalLight(int index) {\n  switch (index) {\n    case 0:\n      return DirectionalLight(lighting.lightColor0, lighting.lightDirection0);\n    case 1:\n      return DirectionalLight(lighting.lightColor1, lighting.lightDirection1);\n    case 2:\n    default:   \n      return DirectionalLight(lighting.lightColor2, lighting.lightDirection2);\n  }\n} \n\nfloat getPointLightAttenuation(PointLight pointLight, float distance) {\n  return pointLight.attenuation.x\n       + pointLight.attenuation.y * distance\n       + pointLight.attenuation.z * distance * distance;\n}\n\n// #endif\n";
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