| 1 | import { PRECISION } from '@pixi/constants';
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| 2 | import { ProgramCache, isMobile } from '@pixi/utils';
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| 3 | import defaultFragment from './defaultProgram.mjs';
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| 4 | import defaultVertex from './defaultProgram2.mjs';
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| 5 | import './utils/index.mjs';
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| 6 | import { setPrecision } from './utils/setPrecision.mjs';
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| 7 | import { getMaxFragmentPrecision } from './utils/getMaxFragmentPrecision.mjs';
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| 8 |
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| 9 | let UID = 0;
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| 10 | const nameCache = {};
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| 11 | const _Program = class {
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| 12 | constructor(vertexSrc, fragmentSrc, name = "pixi-shader", extra = {}) {
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| 13 | this.extra = {};
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| 14 | this.id = UID++;
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| 15 | this.vertexSrc = vertexSrc || _Program.defaultVertexSrc;
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| 16 | this.fragmentSrc = fragmentSrc || _Program.defaultFragmentSrc;
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| 17 | this.vertexSrc = this.vertexSrc.trim();
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| 18 | this.fragmentSrc = this.fragmentSrc.trim();
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| 19 | this.extra = extra;
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| 20 | if (this.vertexSrc.substring(0, 8) !== "#version") {
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| 21 | name = name.replace(/\s+/g, "-");
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| 22 | if (nameCache[name]) {
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| 23 | nameCache[name]++;
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| 24 | name += `-${nameCache[name]}`;
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| 25 | } else {
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| 26 | nameCache[name] = 1;
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| 27 | }
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| 28 | this.vertexSrc = `#define SHADER_NAME ${name}
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| 29 | ${this.vertexSrc}`;
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| 30 | this.fragmentSrc = `#define SHADER_NAME ${name}
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| 31 | ${this.fragmentSrc}`;
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| 32 | this.vertexSrc = setPrecision(this.vertexSrc, _Program.defaultVertexPrecision, PRECISION.HIGH);
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| 33 | this.fragmentSrc = setPrecision(this.fragmentSrc, _Program.defaultFragmentPrecision, getMaxFragmentPrecision());
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| 34 | }
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| 35 | this.glPrograms = {};
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| 36 | this.syncUniforms = null;
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| 37 | }
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| 38 | static get defaultVertexSrc() {
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| 39 | return defaultVertex;
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| 40 | }
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| 41 | static get defaultFragmentSrc() {
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| 42 | return defaultFragment;
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| 43 | }
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| 44 | static from(vertexSrc, fragmentSrc, name) {
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| 45 | const key = vertexSrc + fragmentSrc;
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| 46 | let program = ProgramCache[key];
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| 47 | if (!program) {
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| 48 | ProgramCache[key] = program = new _Program(vertexSrc, fragmentSrc, name);
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| 49 | }
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| 50 | return program;
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| 51 | }
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| 52 | };
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| 53 | let Program = _Program;
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| 54 | Program.defaultVertexPrecision = PRECISION.HIGH;
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| 55 | Program.defaultFragmentPrecision = isMobile.apple.device ? PRECISION.HIGH : PRECISION.MEDIUM;
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| 56 |
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| 57 | export { Program };
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| 58 |
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