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nothoughts/node_modules/pixi.js/lib/rendering/renderers/gl/shader/GenerateShaderSyncCode.js
2025-08-04 18:57:35 +02:00

75 lines
2.6 KiB
JavaScript

'use strict';
var BufferResource = require('../../shared/buffer/BufferResource.js');
var UniformGroup = require('../../shared/shader/UniformGroup.js');
var TextureSource = require('../../shared/texture/sources/TextureSource.js');
"use strict";
function generateShaderSyncCode(shader, shaderSystem) {
const funcFragments = [];
const headerFragments = [`
var g = s.groups;
var sS = r.shader;
var p = s.glProgram;
var ugS = r.uniformGroup;
var resources;
`];
let addedTextreSystem = false;
let blockIndex = 0;
let textureCount = 0;
const programData = shaderSystem._getProgramData(shader.glProgram);
for (const i in shader.groups) {
const group = shader.groups[i];
funcFragments.push(`
resources = g[${i}].resources;
`);
for (const j in group.resources) {
const resource = group.resources[j];
if (resource instanceof UniformGroup.UniformGroup) {
if (resource.ubo) {
funcFragments.push(`
sS.bindUniformBlock(
resources[${j}],
sS._uniformBindMap[${i}[${j}],
${blockIndex++}
);
`);
} else {
funcFragments.push(`
ugS.updateUniformGroup(resources[${j}], p, sD);
`);
}
} else if (resource instanceof BufferResource.BufferResource) {
funcFragments.push(`
sS.bindUniformBlock(
resources[${j}],
sS._uniformBindMap[${i}[${j}],
${blockIndex++}
);
`);
} else if (resource instanceof TextureSource.TextureSource) {
const uniformName = shader._uniformBindMap[i][j];
const uniformData = programData.uniformData[uniformName];
if (uniformData) {
if (!addedTextreSystem) {
addedTextreSystem = true;
headerFragments.push(`
var tS = r.texture;
`);
}
shaderSystem._gl.uniform1i(uniformData.location, textureCount);
funcFragments.push(`
tS.bind(resources[${j}], ${textureCount});
`);
textureCount++;
}
}
}
}
const functionSource = [...headerFragments, ...funcFragments].join("\n");
return new Function("r", "s", "sD", functionSource);
}
exports.generateShaderSyncCode = generateShaderSyncCode;
//# sourceMappingURL=GenerateShaderSyncCode.js.map