import type { Color } from '@antv/g-device-api';
import { RGAttachmentSlot } from './interface';
import { RGRenderTargetDescription } from './RenderTargetDescription';
export declare function makeAttachmentClearDescriptor(clearColor: Readonly<Color> | 'load'): GfxrAttachmentClearDescriptor;
export declare const standardFullClearRenderPassDescriptor: GfxrAttachmentClearDescriptor;
export declare const opaqueBlackFullClearRenderPassDescriptor: GfxrAttachmentClearDescriptor;
export declare const opaqueWhiteFullClearRenderPassDescriptor: GfxrAttachmentClearDescriptor;
export declare enum AntialiasingMode {
    None = 0,
    FXAA = 1,
    MSAAx4 = 2
}
export interface RenderInput {
    backbufferWidth: number;
    backbufferHeight: number;
    antialiasingMode: AntialiasingMode;
}
export declare function setBackbufferDescSimple(desc: RGRenderTargetDescription, renderInput: RenderInput): void;
export interface GfxrAttachmentClearDescriptor {
    colorClearColor: Readonly<Color> | 'load';
    depthClearValue: number;
    stencilClearValue: number;
}
export declare function makeBackbufferDescSimple(slot: RGAttachmentSlot, renderInput: RenderInput, clearDescriptor: GfxrAttachmentClearDescriptor): RGRenderTargetDescription;