| 1 | {"version":3,"file":"Shader.js","sources":["../../src/shader/Shader.ts"],"sourcesContent":["import { Runner } from '@pixi/runner';\nimport { Program } from './Program';\nimport { UniformGroup } from './UniformGroup';\n\nimport type { Dict } from '@pixi/utils';\n\n/**\n * A helper class for shaders.\n * @memberof PIXI\n */\nexport class Shader\n{\n /** Program that the shader uses. */\n public program: Program;\n public uniformGroup: UniformGroup;\n\n /**\n * Used internally to bind uniform buffer objects.\n * @ignore\n */\n uniformBindCount = 0;\n\n disposeRunner: Runner;\n\n /**\n * @param program - The program the shader will use.\n * @param uniforms - Custom uniforms to use to augment the built-in ones.\n */\n constructor(program: Program, uniforms?: Dict<any>)\n {\n this.program = program;\n\n // lets see whats been passed in\n // uniforms should be converted to a uniform group\n if (uniforms)\n {\n if (uniforms instanceof UniformGroup)\n {\n this.uniformGroup = uniforms;\n }\n else\n {\n this.uniformGroup = new UniformGroup(uniforms);\n }\n }\n else\n {\n this.uniformGroup = new UniformGroup({});\n }\n\n this.disposeRunner = new Runner('disposeShader');\n }\n\n // TODO move to shader system..\n checkUniformExists(name: string, group: UniformGroup): boolean\n {\n if (group.uniforms[name])\n {\n return true;\n }\n\n for (const i in group.uniforms)\n {\n const uniform = group.uniforms[i];\n\n if (uniform.group === true) // strict check to desambiguate from Array.group\n {\n if (this.checkUniformExists(name, uniform))\n {\n return true;\n }\n }\n }\n\n return false;\n }\n\n destroy(): void\n {\n // usage count on programs?\n // remove if not used!\n this.uniformGroup = null;\n\n this.disposeRunner.emit(this);\n this.disposeRunner.destroy();\n }\n\n /**\n * Shader uniform values, shortcut for `uniformGroup.uniforms`.\n * @readonly\n */\n get uniforms(): Dict<any>\n {\n return this.uniformGroup.uniforms;\n }\n\n /**\n * A short hand function to create a shader based of a vertex and fragment shader.\n * @param vertexSrc - The source of the vertex shader.\n * @param fragmentSrc - The source of the fragment shader.\n * @param uniforms - Custom uniforms to use to augment the built-in ones.\n * @returns A shiny new PixiJS shader!\n */\n static from(vertexSrc?: string, fragmentSrc?: string, uniforms?: Dict<any>): Shader\n {\n const program = Program.from(vertexSrc, fragmentSrc);\n\n return new Shader(program, uniforms);\n }\n}\n"],"names":["UniformGroup","Runner","Program"],"mappings":";;AAUO,MAAM,OACb;AAAA;AAAA;AAAA;AAAA;AAAA,EAiBI,YAAY,SAAkB,UAC9B;AATmB,SAAA,mBAAA,GAUV,KAAA,UAAU,SAIX,WAEI,oBAAoBA,4BAEpB,KAAK,eAAe,WAIpB,KAAK,eAAe,IAAIA,0BAAa,QAAQ,IAKjD,KAAK,eAAe,IAAIA,aAAAA,aAAa,CAAA,CAAE,GAG3C,KAAK,gBAAgB,IAAIC,OAAA,OAAO,eAAe;AAAA,EACnD;AAAA;AAAA,EAGA,mBAAmB,MAAc,OACjC;AACQ,QAAA,MAAM,SAAS,IAAI;AAEZ,aAAA;AAGA,eAAA,KAAK,MAAM,UACtB;AACU,YAAA,UAAU,MAAM,SAAS,CAAC;AAEhC,UAAI,QAAQ,UAAU,MAEd,KAAK,mBAAmB,MAAM,OAAO;AAE9B,eAAA;AAAA,IAGnB;AAEO,WAAA;AAAA,EACX;AAAA,EAEA,UACA;AAGS,SAAA,eAAe,MAEpB,KAAK,cAAc,KAAK,IAAI,GAC5B,KAAK,cAAc,QAAQ;AAAA,EAC/B;AAAA;AAAA;AAAA;AAAA;AAAA,EAMA,IAAI,WACJ;AACI,WAAO,KAAK,aAAa;AAAA,EAC7B;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EASA,OAAO,KAAK,WAAoB,aAAsB,UACtD;AACI,UAAM,UAAUC,QAAA,QAAQ,KAAK,WAAW,WAAW;AAE5C,WAAA,IAAI,OAAO,SAAS,QAAQ;AAAA,EACvC;AACJ;;"} |