wonder.js/lib/js/src/service/state/render/vboBuffer/GetVboBufferRenderService.js

3d webgl engine

'use strict';

var MutableSparseMapService$Wonderjs = require("../../../atom/MutableSparseMapService.js");
var MutableSparseMapService$WonderCommonlib = require("wonder-commonlib/lib/js/src/MutableSparseMapService.js");

function getOrCreateBuffer(gl, param, param$1, state) {
  var bufferMap = param[1];
  var geometryIndex = param[0];
  var match = MutableSparseMapService$Wonderjs.fastGet(geometryIndex, bufferMap);
  if (match[0]) {
    return match[1];
  } else {
    var buffer = param$1[0](gl, param$1[1](geometryIndex, state), state);
    MutableSparseMapService$WonderCommonlib.set(geometryIndex, buffer, bufferMap);
    return buffer;
  }
}

function getOrCreateIndexBuffer(gl, param, createBufferFunc, state) {
  var bufferMap = param[1];
  var geometryIndex = param[0];
  var match = MutableSparseMapService$Wonderjs.fastGet(geometryIndex, bufferMap);
  if (match[0]) {
    return match[1];
  } else {
    var buffer = createBufferFunc(gl, param[2](geometryIndex, state), state);
    MutableSparseMapService$WonderCommonlib.set(geometryIndex, buffer, bufferMap);
    return buffer;
  }
}

exports.getOrCreateBuffer = getOrCreateBuffer;
exports.getOrCreateIndexBuffer = getOrCreateIndexBuffer;
/* No side effect */