import { Device } from './Device';
import { ShaderProgram, ShaderProgramOptions, ShaderUniformValue } from './resources';
import { BlendStateParams, CullStateParams, DepthStateParams, OffsetStateParams, StencilStateParams } from './states';
/**
 * Constructor options for {@link ShaderPass}
 *
 * @public
 */
export interface ShaderPassOptions {
    /**
     * The name of the shader pass
     */
    name?: string;
    /**
     * Arbitrary meta data or info about the shader pass
     */
    meta?: {
        [key: string]: any;
    };
    /**
     * The shader program or constructor options
     */
    program: ShaderProgram | ShaderProgramOptions;
    /**
     * The cull state to be used for this shader pass
     */
    cullState?: string | CullStateParams;
    /**
     * The blend state to be used for this shader pass
     */
    blendState?: string | BlendStateParams;
    /**
     * The depth state to be used for this shader pass
     */
    depthState?: string | DepthStateParams;
    /**
     * The offset state to be used for this shader pass
     */
    offsetState?: string | OffsetStateParams;
    /**
     * The stencil state to be used for this shader pass
     */
    stencilState?: string | StencilStateParams;
}
/**
 * Defines {@link Device} states which should be used with a specific {@link ShaderProgram}
 *
 * @public
 *
 */
export declare class ShaderPass {
    /**
     * A symbol identifying the `ShaderPassOptions` type.
     */
    static OptionsSymbol: symbol;
    /**
     * The graphics device
     */
    readonly device: Device;
    /**
     * The name of the shader pass
     */
    readonly name: string;
    /**
     * Arbitrary meta data or info about the shader pass
     */
    readonly meta: {
        [key: string]: any;
    };
    /**
     * The shader program to be activated on `commit`
     */
    readonly program: ShaderProgram;
    /**
     * The cull state to be enabled on `commit`
     */
    readonly cullState: CullStateParams;
    /**
     * The blend state to be enabled on `commit`
     */
    readonly blendState: BlendStateParams;
    /**
     * The depth state to be enabled on `commit`
     */
    readonly depthState: DepthStateParams;
    /**
     * The offset state to be enabled on `commit`
     */
    readonly offsetState: OffsetStateParams;
    /**
     * The stencil state to be enabled on `commit`
     */
    readonly stencilState: StencilStateParams;
    constructor(device: Device, options: ShaderPassOptions);
    /**
     * Prepares the graphics device state for this shader pass and sets the given uniform parameters
     */
    commit(parameters?: {
        [key: string]: ShaderUniformValue;
    }): this;
    /**
     * Creates a clone of this shader pass
     *
     * @remarks
     * This will also clone the underlying program
     */
    clone(): ShaderPass;
}
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