| 1 | import { BUFFER_TYPE } from '@pixi/constants';
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| 2 | import { Buffer } from '../geometry/Buffer.mjs';
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| 3 |
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| 4 | let UID = 0;
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| 5 | class UniformGroup {
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| 6 | constructor(uniforms, isStatic, isUbo) {
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| 7 | this.group = true;
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| 8 | this.syncUniforms = {};
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| 9 | this.dirtyId = 0;
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| 10 | this.id = UID++;
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| 11 | this.static = !!isStatic;
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| 12 | this.ubo = !!isUbo;
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| 13 | if (uniforms instanceof Buffer) {
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| 14 | this.buffer = uniforms;
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| 15 | this.buffer.type = BUFFER_TYPE.UNIFORM_BUFFER;
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| 16 | this.autoManage = false;
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| 17 | this.ubo = true;
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| 18 | } else {
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| 19 | this.uniforms = uniforms;
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| 20 | if (this.ubo) {
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| 21 | this.buffer = new Buffer(new Float32Array(1));
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| 22 | this.buffer.type = BUFFER_TYPE.UNIFORM_BUFFER;
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| 23 | this.autoManage = true;
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| 24 | }
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| 25 | }
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| 26 | }
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| 27 | update() {
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| 28 | this.dirtyId++;
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| 29 | if (!this.autoManage && this.buffer) {
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| 30 | this.buffer.update();
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| 31 | }
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| 32 | }
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| 33 | add(name, uniforms, _static) {
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| 34 | if (!this.ubo) {
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| 35 | this.uniforms[name] = new UniformGroup(uniforms, _static);
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| 36 | } else {
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| 37 | throw new Error("[UniformGroup] uniform groups in ubo mode cannot be modified, or have uniform groups nested in them");
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| 38 | }
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| 39 | }
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| 40 | static from(uniforms, _static, _ubo) {
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| 41 | return new UniformGroup(uniforms, _static, _ubo);
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| 42 | }
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| 43 | static uboFrom(uniforms, _static) {
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| 44 | return new UniformGroup(uniforms, _static ?? true, true);
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| 45 | }
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| 46 | }
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| 47 |
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| 48 | export { UniformGroup };
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| 49 |
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