sdfsdfs

node_modules/pixi.js/lib/rendering/batcher/gpu/getTextureBatchBindGroup.js

@@ -0,0 +1,35 @@
+'use strict';
+
+var BindGroup = require('../../renderers/gpu/shader/BindGroup.js');
+var Texture = require('../../renderers/shared/texture/Texture.js');
+var maxRecommendedTextures = require('../gl/utils/maxRecommendedTextures.js');
+
+"use strict";
+const cachedGroups = {};
+function getTextureBatchBindGroup(textures, size) {
+  let uid = 2166136261;
+  for (let i = 0; i < size; i++) {
+    uid ^= textures[i].uid;
+    uid = Math.imul(uid, 16777619);
+    uid >>>= 0;
+  }
+  return cachedGroups[uid] || generateTextureBatchBindGroup(textures, size, uid);
+}
+let maxTextures = 0;
+function generateTextureBatchBindGroup(textures, size, key) {
+  const bindGroupResources = {};
+  let bindIndex = 0;
+  if (!maxTextures)
+    maxTextures = maxRecommendedTextures.getMaxTexturesPerBatch();
+  for (let i = 0; i < maxTextures; i++) {
+    const texture = i < size ? textures[i] : Texture.Texture.EMPTY.source;
+    bindGroupResources[bindIndex++] = texture.source;
+    bindGroupResources[bindIndex++] = texture.style;
+  }
+  const bindGroup = new BindGroup.BindGroup(bindGroupResources);
+  cachedGroups[key] = bindGroup;
+  return bindGroup;
+}
+
+exports.getTextureBatchBindGroup = getTextureBatchBindGroup;
+//# sourceMappingURL=getTextureBatchBindGroup.js.map