Files
nothoughts/node_modules/pixi.js/lib/rendering/high-shader/compiler/compileHighShader.js
2025-08-04 18:57:35 +02:00

69 lines
2.5 KiB
JavaScript

'use strict';
var addBits = require('./utils/addBits.js');
var compileHooks = require('./utils/compileHooks.js');
var compileInputs = require('./utils/compileInputs.js');
var compileOutputs = require('./utils/compileOutputs.js');
var injectBits = require('./utils/injectBits.js');
"use strict";
const cacheMap = /* @__PURE__ */ Object.create(null);
const bitCacheMap = /* @__PURE__ */ new Map();
let CACHE_UID = 0;
function compileHighShader({
template,
bits
}) {
const cacheId = generateCacheId(template, bits);
if (cacheMap[cacheId])
return cacheMap[cacheId];
const { vertex, fragment } = compileInputsAndOutputs(template, bits);
cacheMap[cacheId] = compileBits(vertex, fragment, bits);
return cacheMap[cacheId];
}
function compileHighShaderGl({
template,
bits
}) {
const cacheId = generateCacheId(template, bits);
if (cacheMap[cacheId])
return cacheMap[cacheId];
cacheMap[cacheId] = compileBits(template.vertex, template.fragment, bits);
return cacheMap[cacheId];
}
function compileInputsAndOutputs(template, bits) {
const vertexFragments = bits.map((shaderBit) => shaderBit.vertex).filter((v) => !!v);
const fragmentFragments = bits.map((shaderBit) => shaderBit.fragment).filter((v) => !!v);
let compiledVertex = compileInputs.compileInputs(vertexFragments, template.vertex, true);
compiledVertex = compileOutputs.compileOutputs(vertexFragments, compiledVertex);
const compiledFragment = compileInputs.compileInputs(fragmentFragments, template.fragment, true);
return {
vertex: compiledVertex,
fragment: compiledFragment
};
}
function generateCacheId(template, bits) {
return bits.map((highFragment) => {
if (!bitCacheMap.has(highFragment)) {
bitCacheMap.set(highFragment, CACHE_UID++);
}
return bitCacheMap.get(highFragment);
}).sort((a, b) => a - b).join("-") + template.vertex + template.fragment;
}
function compileBits(vertex, fragment, bits) {
const vertexParts = compileHooks.compileHooks(vertex);
const fragmentParts = compileHooks.compileHooks(fragment);
bits.forEach((shaderBit) => {
addBits.addBits(shaderBit.vertex, vertexParts, shaderBit.name);
addBits.addBits(shaderBit.fragment, fragmentParts, shaderBit.name);
});
return {
vertex: injectBits.injectBits(vertex, vertexParts),
fragment: injectBits.injectBits(fragment, fragmentParts)
};
}
exports.compileHighShader = compileHighShader;
exports.compileHighShaderGl = compileHighShaderGl;
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