62 lines
3.0 KiB
JavaScript
62 lines
3.0 KiB
JavaScript
shadow$provide.module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$shader$UboSystem = function(global, require, module, exports) {
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var unsafeEvalSupported = require("module$node_modules$pixi_DOT_js$lib$utils$browser$unsafeEvalSupported"), Buffer = require("module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$buffer$Buffer"), _const = require("module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$buffer$const");
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"use strict";
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class UboSystem {
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constructor(adaptor) {
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this._syncFunctionHash = Object.create(null);
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this._adaptor = adaptor;
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this._systemCheck();
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}
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_systemCheck() {
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if (!unsafeEvalSupported.unsafeEvalSupported()) {
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throw Error("Current environment does not allow unsafe-eval, please use pixi.js/unsafe-eval module to enable support.");
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}
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}
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ensureUniformGroup(uniformGroup) {
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const uniformData = this.getUniformGroupData(uniformGroup);
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uniformGroup.buffer || (uniformGroup.buffer = new Buffer.Buffer({data:new Float32Array(uniformData.layout.size / 4), usage:_const.BufferUsage.UNIFORM | _const.BufferUsage.COPY_DST}));
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}
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getUniformGroupData(uniformGroup) {
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return this._syncFunctionHash[uniformGroup._signature] || this._initUniformGroup(uniformGroup);
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}
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_initUniformGroup(uniformGroup) {
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const uniformGroupSignature = uniformGroup._signature;
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var uniformData = this._syncFunctionHash[uniformGroupSignature];
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if (!uniformData) {
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uniformData = Object.keys(uniformGroup.uniformStructures).map(i => uniformGroup.uniformStructures[i]);
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uniformData = this._adaptor.createUboElements(uniformData);
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const syncFunction = this._generateUboSync(uniformData.uboElements);
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uniformData = this._syncFunctionHash[uniformGroupSignature] = {layout:uniformData, syncFunction};
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}
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return this._syncFunctionHash[uniformGroupSignature];
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}
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_generateUboSync(uboElements) {
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return this._adaptor.generateUboSync(uboElements);
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}
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syncUniformGroup(uniformGroup, data, offset) {
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const uniformGroupData = this.getUniformGroupData(uniformGroup);
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uniformGroup.buffer || (uniformGroup.buffer = new Buffer.Buffer({data:new Float32Array(uniformGroupData.layout.size / 4), usage:_const.BufferUsage.UNIFORM | _const.BufferUsage.COPY_DST}));
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let dataInt32 = null;
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data || (data = uniformGroup.buffer.data, dataInt32 = uniformGroup.buffer.dataInt32);
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offset || (offset = 0);
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uniformGroupData.syncFunction(uniformGroup.uniforms, data, dataInt32, offset);
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return !0;
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}
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updateUniformGroup(uniformGroup) {
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if (uniformGroup.isStatic && !uniformGroup._dirtyId) {
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return !1;
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}
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uniformGroup._dirtyId = 0;
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const synced = this.syncUniformGroup(uniformGroup);
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uniformGroup.buffer.update();
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return synced;
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}
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destroy() {
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this._syncFunctionHash = null;
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}
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}
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exports.UboSystem = UboSystem;
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};
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//# sourceMappingURL=module$node_modules$pixi_DOT_js$lib$rendering$renderers$shared$shader$UboSystem.js.map
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