export type ColorProps = {
    opacity: number;
    desaturate: number;
    brightness: number;
};
declare function getUniforms(opts?: ColorProps): ColorProps;
/** Shader module that implements desaturation. @note still WIP */
export declare const color: {
    readonly name: "color";
    readonly vs: "in vec4 color_vColor;\n\ncolor_setColor(vec4 color) {\n  color_vColor = color;\n}\n";
    readonly fs: "uniform colorUniforms {\n  float opacity;\n  float desaturate;\n  float brightness;\n} color;\n\n\nin vec4 color_vColor;\n\nout vec4 fragColor;\n\nvec4 color_getColor() {\n  return color_vColor;\n}\n\nvec4 color_filterColor(vec4 inputColor) {\n  vec4 color = inputColor;\n  // apply desaturation and brightness\n  if (color.desaturate > 0.01) {\n    float luminance = (color.r + color.g + color.b) * 0.333333333 + color.brightness;\n    color = vec4(mix(color.rgb, vec3(luminance), color.desaturate), color.a);\n  }\n\n  // Apply opacity\n  color = vec4(color.rgb, color.a * color.opacity);\n  return color;\n}\n";
    readonly getUniforms: typeof getUniforms;
    readonly uniformTypes: {
        readonly opacity: "f32";
        readonly desaturate: "f32";
        readonly brightness: "f32";
    };
};
export {};
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