import type { Nullable, TextureSize, FrameGraphContext } from "../index.js";
/**
 * Represents a texture handle in the frame graph.
 */
export type FrameGraphTextureHandle = number;
/**
 * Represents a texture handle for the backbuffer color texture.
 */
export declare const backbufferColorTextureHandle: FrameGraphTextureHandle;
/**
 * Represents a texture handle for the backbuffer depth/stencil texture.
 */
export declare const backbufferDepthStencilTextureHandle: FrameGraphTextureHandle;
/**
 * Options used to describe a texture to be created in the frame graph.
 */
export type FrameGraphTextureOptions = {
    /** Specifies if mipmaps must be created for the textures (default: false) */
    createMipMaps?: boolean;
    /** Defines sample count (default: 1) */
    samples?: number;
    /** Defines the types of the textures */
    types?: number[];
    /** Defines the format of the textures (RED, RG, RGB, RGBA, ALPHA...) */
    formats?: number[];
    /** Defines if sRGB format should be used for each of texture */
    useSRGBBuffers?: boolean[];
    /** Defines the creation flags of the textures (Constants.TEXTURE_CREATIONFLAG_STORAGE for storage textures, for eg) */
    creationFlags?: number[];
    /** Defines the names of the textures (used for debugging purpose) */
    labels?: string[];
};
/**
 * Options used to create a texture / list of textures in the frame graph.
 */
export type FrameGraphTextureCreationOptions = {
    /** Size of the textures. If sizeIsPercentage is true, these are percentages relative to the screen size (100 = 100%) */
    size: TextureSize;
    /** Options used to create the textures */
    options: FrameGraphTextureOptions;
    /** If true, indicates that "size" is percentages relative to the screen size */
    sizeIsPercentage: boolean;
    /** Indicates that the texture is a history texture (default: false) */
    isHistoryTexture?: boolean;
};
/**
 * Represents a texture description in the frame graph.
 * This is basically the same thing than FrameGraphTextureCreationOptions, but the size is never in percentage and always in pixels.
 */
export type FrameGraphTextureDescription = {
    /** Size of the texture */
    size: {
        width: number;
        height: number;
    };
    /** Options used to create the texture */
    options: FrameGraphTextureOptions;
};
/**
 * Defines a pass in the frame graph.
 */
export interface IFrameGraphPass {
    /**
     * The name of the pass.
     */
    name: string;
    /**
     * Whether the pass is disabled.
     */
    disabled: boolean;
    /**
     * Sets the function to execute when the pass is executed
     * @param func The function to execute when the pass is executed
     */
    setExecuteFunc(func: (context: FrameGraphContext) => void): void;
    /** @internal */
    _execute(): void;
    /** @internal */
    _isValid(): Nullable<string>;
}