import { GpuShaderDefinition } from '../../gpu/porters';

export interface ComponentProps {
    /**
     * JPEG quality (1 = heavily destroyed, 100 = near lossless)
     *
     * @default 12
     */
    quality: number;
}
/**
 * The per-cell compute graph: the kit's DCT block-quantize pass (JPEG Annex K tables, IJG quality
 * curve, `N_LUMA` low-frequency luma coefficients, DC-only chroma) at this effect's block
 * geometry. One thread per STRIDE×STRIDE device-pixel cell samples the child RTT's 8×8 block and
 * writes the block colour into the cell texture.
 */
export declare const buildCompressionGraph: () => {
    layout: import('typegpu').TgpuBindGroupLayout<{
        input: {
            texture: import('typegpu/data').WgslTexture2d<import('typegpu/data').F32>;
        };
        cellTex: {
            storageTexture: import('typegpu/data').WgslStorageTexture2d<"rgba16float" | "rgba32float", string>;
        };
        params: {
            uniform: import('typegpu/data').WgslStruct<{
                inputWidth: import('typegpu/data').F32;
                inputHeight: import('typegpu/data').F32;
                quality: import('typegpu/data').F32;
            }>;
        };
    }>;
    kernel: import('typegpu').TgpuFn<(cx: import('typegpu/data').U32, cy: import('typegpu/data').U32) => import('typegpu/data').Void>;
    Params: import('typegpu/data').WgslStruct<{
        inputWidth: import('typegpu/data').F32;
        inputHeight: import('typegpu/data').F32;
        quality: import('typegpu/data').F32;
    }>;
};
/** The DCT block-colour core (the shape the port gate resolves + CPU-goldens). */
export declare const jpegBlockRgb: import('typegpu').TgpuFn<(block: import('typegpu/data').WgslArray<import('typegpu/data').Vec3f>, localX: import('typegpu/data').F32, localY: import('typegpu/data').F32, quality: import('typegpu/data').F32) => import('typegpu/data').Vec3f>;
export declare const componentDefinition: GpuShaderDefinition<ComponentProps>;
export default componentDefinition;
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