/**
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* @license
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* Copyright 2017 Google LLC. All Rights Reserved.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* =============================================================================
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*/
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/// <amd-module name="@tensorflow/tfjs-backend-webgl/dist/texture_manager" />
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import { GPGPUContext } from './gpgpu_context';
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import { PhysicalTextureType, Texture, TextureConfig, TextureUsage } from './tex_util';
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export declare class TextureManager {
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private readonly gpgpu;
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private numUsedTextures;
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private numFreeTextures;
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private _numBytesAllocated;
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private _numBytesFree;
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private freeTextures;
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private usedTextures;
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private logEnabled;
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constructor(gpgpu: GPGPUContext);
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acquireTexture(shapeRC: [number, number], usage: TextureUsage, isPacked: boolean): Texture;
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releaseTexture(texture: Texture, shape: [number, number], logicalTexType: TextureUsage, isPacked: boolean): void;
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private log;
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get numBytesAllocated(): number;
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get numBytesFree(): number;
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getNumUsedTextures(): number;
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getNumFreeTextures(): number;
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dispose(): void;
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}
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export declare function computeBytes(shape: [number, number], physicalTexType: PhysicalTextureType, gl: WebGLRenderingContext, textureConfig: TextureConfig, isPacked: boolean): number;
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