import "@onerjs/core/Engines/Extensions/engine.renderTarget.js";
import { type InitializationData, type SmartFilter } from "../smartFilter.js";
import { type ShaderProgram } from "../utils/shaderCodeUtils.js";
import { type ShaderBinding } from "../runtime/shaderRuntime.js";
import { type ConnectionPoint } from "../connection/connectionPoint.js";
import { ConnectionPointType } from "../connection/connectionPointType.js";
import { BaseBlock } from "./baseBlock.js";
import { type OutputTextureOptions } from "./textureOptions.js";
/**
 * This is the base class for all shader blocks.
 *
 * It contains the redundant part of wrapping a shader for a full screen pass.
 *
 * The only required function to implement is the bind function.
 */
export declare abstract class ShaderBlock extends BaseBlock {
    /**
     * The class name of the block.
     */
    static ClassName: string;
    /**
     * Get the class instance that binds all the required data to the shader (effect) when rendering.
     * It should throw an error if required inputs are missing.
     * @returns The class instance that binds the data to the effect
     */
    abstract getShaderBinding(): ShaderBinding;
    /**
     * The shader program (vertex and fragment code) to use to render the block
     */
    static ShaderCode: ShaderProgram;
    /**
     * The output connection point of the block.
     */
    readonly output: ConnectionPoint<ConnectionPointType.Texture>;
    /**
     * The options used when creating the texture this block outputs to
     */
    outputTextureOptions: OutputTextureOptions;
    /**
     * Disconnects the block from the graph.
     * @param disconnectedConnections - Stores the connections that have been broken in the process. You can reconnect them later if needed.
     */
    disconnectFromGraph(disconnectedConnections?: [ConnectionPoint, ConnectionPoint][]): void;
    protected _getConnectionForMainInputTexture(): ConnectionPoint;
    /**
     * Instantiates a new block.
     * @param smartFilter - Defines the smart filter the block belongs to
     * @param name - Defines the name of the block
     * @param disableOptimization - Defines if the block should not be optimized (default: false)
     */
    constructor(smartFilter: SmartFilter, name: string, disableOptimization?: boolean);
    /**
     * Gets the shader program to use to render the block.
     * @returns The shader program to use to render the block
     */
    getShaderProgram(): ShaderProgram;
    /**
     * Generates the commands needed to execute the block at runtime and gathers promises for initialization work
     * @param initializationData - The initialization data to use
     * @param finalOutput - Defines if the block is the final output of the smart filter
     */
    generateCommandsAndGatherInitPromises(initializationData: InitializationData, finalOutput: boolean): void;
}
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