/**
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* @license
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* Copyright 2017 Google Inc. 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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/// <reference types="webgl2" />
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import { PixelData, TypedArray } from '../../types';
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import { TextureConfig } from './tex_util';
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export declare function createVertexShader(gl: WebGLRenderingContext, debug: boolean): WebGLShader;
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export declare function createVertexBuffer(gl: WebGLRenderingContext, debug: boolean): WebGLBuffer;
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export declare function createIndexBuffer(gl: WebGLRenderingContext, debug: boolean): WebGLBuffer;
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export declare function createFloat32MatrixTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLTexture;
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export declare function createFloat16MatrixTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLTexture;
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export declare function createUnsignedBytesMatrixTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLTexture;
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export declare function createPackedMatrixTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLTexture;
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export declare function createFloat16PackedMatrixTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLTexture;
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export declare function bindVertexProgramAttributeStreams(gl: WebGLRenderingContext, debug: boolean, program: WebGLProgram, vertexBuffer: WebGLBuffer): boolean;
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export declare function uploadDenseMatrixToTexture(gl: WebGLRenderingContext, debug: boolean, texture: WebGLTexture, width: number, height: number, data: TypedArray, textureConfig: TextureConfig): void;
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export declare function uploadPixelDataToTexture(gl: WebGLRenderingContext, debug: boolean, texture: WebGLTexture, pixels: PixelData | ImageData | HTMLImageElement | HTMLCanvasElement | HTMLVideoElement): void;
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export declare function createBufferFromOutputTexture(gl2: WebGL2RenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): WebGLBuffer;
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export declare function downloadFloat32MatrixFromBuffer(gl: WebGLRenderingContext, buffer: WebGLBuffer, size: number): Float32Array;
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export declare function downloadByteEncodedFloatMatrixFromOutputTexture(gl: WebGLRenderingContext, debug: boolean, rows: number, columns: number, textureConfig: TextureConfig): Float32Array;
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export declare function downloadPackedMatrixFromBuffer(gl: WebGLRenderingContext, buffer: WebGLBuffer, batch: number, rows: number, cols: number, physicalRows: number, physicalCols: number, textureConfig: TextureConfig): Float32Array;
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export declare function downloadMatrixFromPackedOutputTexture(gl: WebGLRenderingContext, debug: boolean, physicalRows: number, physicalCols: number): Float32Array;
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