export declare const shader = "\n#ifdef GL_ES\nprecision mediump float;\n#endif // GL_ES\n\nvarying vec4 v_fragmentColor;\nvarying vec2 v_texCoord;\n\n/// HSV matrix.\nuniform mat4 u_hsv;\n\nvoid main() {\n    vec4 pixelColor = texture2D(CC_Texture0, v_texCoord);\n\n    // Store the original alpha.\n    float alpha = pixelColor.w;\n\n    // Reset alpha to 1.0.\n    pixelColor.w = 1.0;\n\n    vec4 fragColor = u_hsv * pixelColor;\n\n    // Restore the original alpha.\n    fragColor.w = alpha;\n    gl_FragColor = fragColor * v_fragmentColor;\n}\n";