/**
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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/shader_compiler" />
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export type ShapeInfo = {
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logicalShape: number[];
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texShape: [number, number];
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isUniform: boolean;
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isPacked: boolean;
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flatOffset: number;
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};
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export type InputInfo = {
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name: string;
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shapeInfo: ShapeInfo;
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};
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export type UniformType = 'float' | 'vec2' | 'vec3' | 'vec4' | 'int' | 'ivec2' | 'ivec3' | 'ivec4';
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interface ProgramParams {
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userCode: string;
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enableShapeUniforms?: boolean;
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packedInputs?: boolean;
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customUniforms?: Array<{
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name: string;
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arrayIndex?: number;
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type: UniformType;
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}>;
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}
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export declare function makeShader(inputsInfo: InputInfo[], outputShape: ShapeInfo, program: ProgramParams): string;
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export declare function getCoordsDataType(rank: number): string;
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export declare function getUniformInfoFromShape(isPacked: boolean, shape: number[], texShape: number[]): {
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useSqueezeShape: boolean;
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uniformShape: number[];
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keptDims: number[];
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};
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/** Returns a new input info (a copy) that has a squeezed logical shape. */
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export declare function squeezeInputInfo(inInfo: InputInfo, squeezedShape: number[]): InputInfo;
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export {};
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